Rollup of 16 pull requests

[Centril]

Successful merges:

• overhaul unused doc comments lint #57882 (overhaul unused doc comments lint)
• Fix for issue #58050 #58075 (Fix for issue Mention 2015 edition in "note: ? is not a macro repetition operator" errors #58050)
• rustdoc: move collapse and unindent docs passes earlier #58627 (rustdoc: move collapse and unindent docs passes earlier)
• rust-lldb: fix crash when printing empty string #58629 (rust-lldb: fix crash when printing empty string)
• Make visit_clobber panic-safe. #58630 (Make visit_clobber panic-safe.)
• Deny async fn in 2015 edition #58678 (Deny async fn in 2015 edition)
• Fix an indexing error when using x.py help #58680 (Fix an indexing error when using x.py help)
• Fix copy-pasted typo for read_string return value #58703 (Fix copy-pasted typo for read_string return value)
• Update dlmalloc to 0.1.3 #58744 (Update dlmalloc to 0.1.3)
• std: docs: Disable running several Stdio doctests #58746 (std: docs: Disable running several Stdio doctests)
• update scoped_tls to 1.0 #58748 (update scoped_tls to 1.0)
• Reduce Repetitions of (n << amt) >> amt #58749 (Reduce Repetitions of (n << amt) >> amt)
• Make Unique::as_ptr, NonNull::dangling and NonNull::cast const #58750 (Make Unique::as_ptr, NonNull::dangling and NonNull::cast const)
• Update string_cache_codegen to 0.4.2 #58752 (Update string_cache_codegen to 0.4.2)
• Clarify rotate_{left,right} docs #58755 (Clarify rotate_{left,right} docs)
• Normalize the type Self resolves to in an impl #58757 (Normalize the type Self resolves to in an impl)

Failed merges:

r? @ghost

[Centril]

@bors r+ p=16

[bors]

📌 Commit 2055bff has been approved by Centril

[bors]

⌛ Testing commit 2055bff with merge 9299a514d5014d4fc8293e30295a0a7c102189bc...

[bors]

💔 Test failed - status-appveyor

[rust-highfive]

The job x86_64-gnu-nopt of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

[01:38:49] 
[01:38:49] ---- [ui (nll)] ui/consts/const-ptr-unique.rs stdout ----
[01:38:49] diff of stderr:
[01:38:49] 
[01:38:49] - error[E0597]: borrowed value does not live long enough
[01:38:49] + error[E0716]: temporary value dropped while borrowed
[01:38:49] 2   --> $DIR/const-ptr-unique.rs:8:33
[01:38:49] 3    |
[01:38:49] 4 LL |     let x: &'static *mut u32 = &(unique.as_ptr());
[01:38:49] 
[01:38:49] -    |                                 ^^^^^^^^^^^^^^^^^ temporary value does not live long enough
[01:38:49] +    |            -----------------    ^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use
[01:38:49] +    |            type annotation requires that borrow lasts for `'static`
[01:38:49] +    |            type annotation requires that borrow lasts for `'static`
[01:38:49] 6 LL |     //~^ ERROR borrowed value does not live long enough
[01:38:49] 7 LL | }
[01:38:49] -    | - temporary value only lives until here
[01:38:49] -    |
[01:38:49] -    = note: borrowed value must be valid for the static lifetime...
[01:38:49] +    | - temporary value is freed at the end of this statement
[01:38:49] 12 error: aborting due to previous error
[01:38:49] 13 
[01:38:49] 
[01:38:49] - For more information about this error, try `rustc --explain E0597`.
[01:38:49] - For more information about this error, try `rustc --explain E0597`.
[01:38:49] + For more information about this error, try `rustc --explain E0716`.
[01:38:49] 15 
[01:38:49] 
[01:38:49] 
[01:38:49] The actual stderr differed from the expected stderr.
[01:38:49] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/const-ptr-unique.nll/const-ptr-unique.nll.stderr
[01:38:49] To update references, rerun the tests and pass the `--bless` flag
[01:38:49] To only update this specific test, also pass `--test-args consts/const-ptr-unique.rs`
[01:38:49] error: 1 errors occurred comparing output.
[01:38:49] status: exit code: 1
[01:38:49] status: exit code: 1
[01:38:49] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/consts/const-ptr-unique.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/const-ptr-unique.nll/a" "-Zborrowck=migrate" "-Ztwo-phase-borrows" "-Crpath" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/const-ptr-unique.nll/auxiliary" "-A" "unused"
[01:38:49] ------------------------------------------
[01:38:49] 
[01:38:49] ------------------------------------------
[01:38:49] stderr:
[01:38:49] stderr:
[01:38:49] ------------------------------------------
[01:38:49] {"message":"temporary value dropped while borrowed","code":{"code":"E0716","explanation":"\nThis error indicates that a temporary value is being dropped\nwhile a borrow is still in active use.\n\nErroneous code example:\n\n```compile_fail,E0716\n# #![feature(nll)]\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet p = bar(&foo());\n         // ------ creates a temporary\nlet q = *p;\n```\n\nHere, the expression `&foo()` is borrowing the expression\n`foo()`. As `foo()` is call to a function, and not the name of\na variable, this creates a **temporary** -- that temporary stores\nthe return value from `foo()` so that it can be borrowed.\nSo you might imagine that `let p = bar(&foo())` is equivalent\nto this:\n\n```compile_fail,E0597\n# fn foo() -> i32 { 22 }\n# fn bar(x: &i32) -> &i32 { x }\nlet p = {\n  let tmp = foo(); // the temporary\n  bar(&tmp)\n}; // <-- tmp is freed as we exit this block\nlet q = p;\n```\n\nWhenever a temporary is created, it is automatically dropped (freed)\naccording to fixed rules. Ordinarily, the temporary is dropped\nat the end of the enclosing statement -- in this case, after the `let`.\nThis is illustrated in the example above by showing that `tmp` would\nbe freed as we exit the block.\n\nTo fix this problem, you need to create a local variable\nto store the value in rather than relying on a temporary.\nFor example, you might change the original program to\nthe following:\n\n```\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet value = foo(); // dropped at the end of the enclosing block\nlet p = bar(&value);\nlet q = *p;\n```\n\nBy introducing the explicit `let value`, we allocate storage\nthat will last until the end of the enclosing block (when `value`\ngoes out of scope). When we borrow `&value`, we are borrowing a\nlocal variable that already exists, and hence no temporary is created.\n\nTemporaries are not always dropped at the end of the enclosing\nstatement. In simple cases where the `&` expression is immediately\nstored into a variable, the compiler will automatically extend\nthe lifetime of the temporary until the end of the enclosing\nblock. Therefore, an alternative way to fix the original\nprogram is to write `let tmp = &foo()` and not `let tmp = foo()`:\n\n```\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet value = &foo();\nlet p = bar(value);\nlet q = *p;\n```\n\nHere, we are still borrowing `foo()`, but as the borrow is assigned\ndirectly into a variable, the temporary will not be dropped until\nthe end of the enclosing block. Similar rules apply when temporaries\nare stored into aggregate structures like a tuple or struct:\n\n```\n// Here, two temporaries are created, but\n// as they are stored directly into `value`,\n// they are not dropped until the end of the\n// enclosing block.\nfn foo() -> i32 { 22 }\nlet value = (&foo(), &foo());\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/consts/const-ptr-unique.rs","byte_start":167,"byte_end":184,"line_start":8,"line_end":8,"column_start":33,"column_end":50,"is_primary":true,"text":[{"text":"    let x: &'static *mut u32 = &(unique.as_ptr());","highlight_start":33,"highlight_end":50}],"label":"creates a temporary which is freed while still in use","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/consts/const-ptr-unique.rs","byte_start":242,"byte_end":243,"line_start":10,"line_end":10,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"temporary value is freed at the end of this statement","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/consts/const-ptr-unique.rs","byte_start":146,"byte_end":163,"line_start":8,"line_end":8,"column_start":12,"column_end":29,"is_primary":false,"text":[{"text":"    let x: &'static *mut u32 = &(unique.as_ptr());","highlight_start":12,"highlight_end":29}],"label":"type annotation requires that borrow lasts for `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error[E0716]: temporary value dropped while borrowed\n  --> /checkout/src/test/ui/consts/const-ptr-unique.rs:8:33\n   |\nLL |     let x: &'static *mut u32 = &(unique.as_ptr());\n   |            -----------------    ^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use\n   |            |\n   |            type annotation requires that borrow lasts for `'static`\nLL |     //~^ ERROR borrowed value does not live long enough\nLL | }\n   | - temporary value is freed at the end of this statement\n\n"}
[01:38:49] {"message":"For more information about this error, try `rustc --explain E0716`.","code":null,"level":"","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0716`.\n"}
[01:38:49] 
[01:38:49] ------------------------------------------
[01:38:49] 
[01:38:49] 
[01:38:49] thread '[ui (nll)] ui/consts/const-ptr-unique.rs' panicked at 'explicit panic', src/tools/compiletest/src/runtest.rs:3295:9
[01:38:49] note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
[01:38:49] 
[01:38:49] ---- [ui (nll)] ui/consts/const-ptr-nonnull.rs stdout ----
[01:38:49] diff of stderr:
[01:38:49] 
[01:38:49] - error[E0597]: borrowed value does not live long enough
[01:38:49] + error[E0716]: temporary value dropped while borrowed
[01:38:49] 3    |
[01:38:49] 3    |
[01:38:49] 4 LL |     let x: &'static NonNull<u32> = &(NonNull::dangling());
[01:38:49] 
[01:38:49] -    |                                     ^^^^^^^^^^^^^^^^^^^^^ temporary value does not live long enough
[01:38:49] +    |            ---------------------    ^^^^^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use
[01:38:49] +    |            type annotation requires that borrow lasts for `'static`
[01:38:49] 6 ...
[01:38:49] 7 LL | }
[01:38:49] 7 LL | }
[01:38:49] -    | - temporary value only lives until here
[01:38:49] -    |
[01:38:49] -    = note: borrowed value must be valid for the static lifetime...
[01:38:49] +    | - temporary value is freed at the end of this statement
[01:38:49] 11 
[01:38:49] - error[E0597]: borrowed value does not live long enough
[01:38:49] + error[E0716]: temporary value dropped while borrowed
[01:38:49] 14    |
[01:38:49] 14    |
[01:38:49] 15 LL |     let x: &'static NonNull<u32> = &(non_null.cast());
[01:38:49] 
[01:38:49] -    |                                     ^^^^^^^^^^^^^^^^^ temporary value does not live long enough
[01:38:49] +    |            ---------------------    ^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use
[01:38:49] +    |            type annotation requires that borrow lasts for `'static`
[01:38:49] +    |            type annotation requires that borrow lasts for `'static`
[01:38:49] 17 LL |     //~^ ERROR borrowed value does not live long enough
[01:38:49] 18 LL | }
[01:38:49] -    | - temporary value only lives until here
[01:38:49] -    |
[01:38:49] -    = note: borrowed value must be valid for the static lifetime...
[01:38:49] +    | - temporary value is freed at the end of this statement
[01:38:49] 23 error: aborting due to 2 previous errors
[01:38:49] 24 
[01:38:49] 
[01:38:49] - For more information about this error, try `rustc --explain E0597`.
[01:38:49] - For more information about this error, try `rustc --explain E0597`.
[01:38:49] + For more information about this error, try `rustc --explain E0716`.
[01:38:49] 26 
[01:38:49] 
[01:38:49] 
[01:38:49] The actual stderr differed from the expected stderr.
[01:38:49] Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/const-ptr-nonnull.nll/const-ptr-nonnull.nll.stderr
[01:38:49] To update references, rerun the tests and pass the `--bless` flag
[01:38:49] To only update this specific test, also pass `--test-args consts/const-ptr-nonnull.rs`
[01:38:49] error: 1 errors occurred comparing output.
[01:38:49] status: exit code: 1
[01:38:49] status: exit code: 1
[01:38:49] command: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/src/test/ui/consts/const-ptr-nonnull.rs" "-Zthreads=1" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "-Zui-testing" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/const-ptr-nonnull.nll/a" "-Zborrowck=migrate" "-Ztwo-phase-borrows" "-Crpath" "-Zunstable-options" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/consts/const-ptr-nonnull.nll/auxiliary" "-A" "unused"
[01:38:49] ------------------------------------------
[01:38:49] 
[01:38:49] ------------------------------------------
[01:38:49] stderr:
[01:38:49] stderr:
[01:38:49] ------------------------------------------
[01:38:49] {"message":"temporary value dropped while borrowed","code":{"code":"E0716","explanation":"\nThis error indicates that a temporary value is being dropped\nwhile a borrow is still in active use.\n\nErroneous code example:\n\n```compile_fail,E0716\n# #![feature(nll)]\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet p = bar(&foo());\n         // ------ creates a temporary\nlet q = *p;\n```\n\nHere, the expression `&foo()` is borrowing the expression\n`foo()`. As `foo()` is call to a function, and not the name of\na variable, this creates a **temporary** -- that temporary stores\nthe return value from `foo()` so that it can be borrowed.\nSo you might imagine that `let p = bar(&foo())` is equivalent\nto this:\n\n```compile_fail,E0597\n# fn foo() -> i32 { 22 }\n# fn bar(x: &i32) -> &i32 { x }\nlet p = {\n  let tmp = foo(); // the temporary\n  bar(&tmp)\n}; // <-- tmp is freed as we exit this block\nlet q = p;\n```\n\nWhenever a temporary is created, it is automatically dropped (freed)\naccording to fixed rules. Ordinarily, the temporary is dropped\nat the end of the enclosing statement -- in this case, after the `let`.\nThis is illustrated in the example above by showing that `tmp` would\nbe freed as we exit the block.\n\nTo fix this problem, you need to create a local variable\nto store the value in rather than relying on a temporary.\nFor example, you might change the original program to\nthe following:\n\n```\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet value = foo(); // dropped at the end of the enclosing block\nlet p = bar(&value);\nlet q = *p;\n```\n\nBy introducing the explicit `let value`, we allocate storage\nthat will last until the end of the enclosing block (when `value`\ngoes out of scope). When we borrow `&value`, we are borrowing a\nlocal variable that already exists, and hence no temporary is created.\n\nTemporaries are not always dropped at the end of the enclosing\nstatement. In simple cases where the `&` expression is immediately\nstored into a variable, the compiler will automatically extend\nthe lifetime of the temporary until the end of the enclosing\nblock. Therefore, an alternative way to fix the original\nprogram is to write `let tmp = &foo()` and not `let tmp = foo()`:\n\n```\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet value = &foo();\nlet p = bar(value);\nlet q = *p;\n```\n\nHere, we are still borrowing `foo()`, but as the borrow is assigned\ndirectly into a variable, the temporary will not be dropped until\nthe end of the enclosing block. Similar rules apply when temporaries\nare stored into aggregate structures like a tuple or struct:\n\n```\n// Here, two temporaries are created, but\n// as they are stored directly into `value`,\n// they are not dropped until the end of the\n// enclosing block.\nfn foo() -> i32 { 22 }\nlet value = (&foo(), &foo());\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/consts/const-ptr-nonnull.rs","byte_start":72,"byte_end":93,"line_start":4,"line_end":4,"column_start":37,"column_end":58,"is_primary":true,"text":[{"text":"    let x: &'static NonNull<u32> = &(NonNull::dangling());","highlight_start":37,"highlight_end":58}],"label":"creates a temporary which is freed while still in use","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/consts/const-ptr-nonnull.rs","byte_start":338,"byte_end":339,"line_start":11,"line_end":11,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"temporary value is freed at the end of this statement","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/consts/const-ptr-nonnull.rs","byte_start":47,"byte_end":68,"line_start":4,"line_end":4,"column_start":12,"column_end":33,"is_primary":false,"text":[{"text":"    let x: &'static NonNull<u32> = &(NonNull::dangling());","highlight_start":12,"highlight_end":33}],"label":"type annotation requires that borrow lasts for `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error[E0716]: temporary value dropped while borrowed\n  --> /checkout/src/test/ui/consts/const-ptr-nonnull.rs:4:37\n   |\nLL |     let x: &'static NonNull<u32> = &(NonNull::dangling());\n   |            ---------------------    ^^^^^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use\n   |            |\n   |            type annotation requires that borrow lasts for `'static`\n...\nLL | }\n   | - temporary value is freed at the end of this statement\n\n"}
[01:38:49] {"message":"temporary value dropped while borrowed","code":{"code":"E0716","explanation":"\nThis error indicates that a temporary value is being dropped\nwhile a borrow is still in active use.\n\nErroneous code example:\n\n```compile_fail,E0716\n# #![feature(nll)]\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet p = bar(&foo());\n         // ------ creates a temporary\nlet q = *p;\n```\n\nHere, the expression `&foo()` is borrowing the expression\n`foo()`. As `foo()` is call to a function, and not the name of\na variable, this creates a **temporary** -- that temporary stores\nthe return value from `foo()` so that it can be borrowed.\nSo you might imagine that `let p = bar(&foo())` is equivalent\nto this:\n\n```compile_fail,E0597\n# fn foo() -> i32 { 22 }\n# fn bar(x: &i32) -> &i32 { x }\nlet p = {\n  let tmp = foo(); // the temporary\n  bar(&tmp)\n}; // <-- tmp is freed as we exit this block\nlet q = p;\n```\n\nWhenever a temporary is created, it is automatically dropped (freed)\naccording to fixed rules. Ordinarily, the temporary is dropped\nat the end of the enclosing statement -- in this case, after the `let`.\nThis is illustrated in the example above by showing that `tmp` would\nbe freed as we exit the block.\n\nTo fix this problem, you need to create a local variable\nto store the value in rather than relying on a temporary.\nFor example, you might change the original program to\nthe following:\n\n```\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet value = foo(); // dropped at the end of the enclosing block\nlet p = bar(&value);\nlet q = *p;\n```\n\nBy introducing the explicit `let value`, we allocate storage\nthat will last until the end of the enclosing block (when `value`\ngoes out of scope). When we borrow `&value`, we are borrowing a\nlocal variable that already exists, and hence no temporary is created.\n\nTemporaries are not always dropped at the end of the enclosing\nstatement. In simple cases where the `&` expression is immediately\nstored into a variable, the compiler will automatically extend\nthe lifetime of the temporary until the end of the enclosing\nblock. Therefore, an alternative way to fix the original\nprogram is to write `let tmp = &foo()` and not `let tmp = foo()`:\n\n```\nfn foo() -> i32 { 22 }\nfn bar(x: &i32) -> &i32 { x }\nlet value = &foo();\nlet p = bar(value);\nlet q = *p;\n```\n\nHere, we are still borrowing `foo()`, but as the borrow is assigned\ndirectly into a variable, the temporary will not be dropped until\nthe end of the enclosing block. Similar rules apply when temporaries\nare stored into aggregate structures like a tuple or struct:\n\n```\n// Here, two temporaries are created, but\n// as they are stored directly into `value`,\n// they are not dropped until the end of the\n// enclosing block.\nfn foo() -> i32 { 22 }\nlet value = (&foo(), &foo());\n```\n"},"level":"error","spans":[{"file_name":"/checkout/src/test/ui/consts/const-ptr-nonnull.rs","byte_start":263,"byte_end":280,"line_start":9,"line_end":9,"column_start":37,"column_end":54,"is_primary":true,"text":[{"text":"    let x: &'static NonNull<u32> = &(non_null.cast());","highlight_start":37,"highlight_end":54}],"label":"creates a temporary which is freed while still in use","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/consts/const-ptr-nonnull.rs","byte_start":338,"byte_end":339,"line_start":11,"line_end":11,"column_start":1,"column_end":2,"is_primary":false,"text":[{"text":"}","highlight_start":1,"highlight_end":2}],"label":"temporary value is freed at the end of this statement","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/checkout/src/test/ui/consts/const-ptr-nonnull.rs","byte_start":238,"byte_end":259,"line_start":9,"line_end":9,"column_start":12,"column_end":33,"is_primary":false,"text":[{"text":"    let x: &'static NonNull<u32> = &(non_null.cast());","highlight_start":12,"highlight_end":33}],"label":"type annotation requires that borrow lasts for `'static`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error[E0716]: temporary value dropped while borrowed\n  --> /checkout/src/test/ui/consts/const-ptr-nonnull.rs:9:37\n   |\nLL |     let x: &'static NonNull<u32> = &(non_null.cast());\n   |            ---------------------    ^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use\n   |            |\n   |            type annotation requires that borrow lasts for `'static`\nLL |     //~^ ERROR borrowed value does not live long enough\nLL | }\n   | - temporary value is freed at the end of this statement\n\n"}
[01:38:49] {"message":"For more information about this error, try `rustc --explain E0716`.","code":null,"level":"","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0716`.\n"}
[01:38:49] 
[01:38:49] ------------------------------------------
[01:38:49] 
---
[01:38:49] 
[01:38:49] thread 'main' panicked at 'Some tests failed', src/tools/compiletest/src/main.rs:496:22
[01:38:49] 
[01:38:49] 
[01:38:49] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/compiletest" "--compile-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib" "--run-lib-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "--rustc-path" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "--src-base" "/checkout/src/test/ui" "--build-base" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui" "--stage-id" "stage2-x86_64-unknown-linux-gnu" "--mode" "ui" "--target" "x86_64-unknown-linux-gnu" "--host" "x86_64-unknown-linux-gnu" "--llvm-filecheck" "/checkout/obj/build/x86_64-unknown-linux-gnu/llvm/build/bin/FileCheck" "--host-rustcflags" "-Crpath -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--target-rustcflags" "-Crpath -Zunstable-options  -Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "--docck-python" "/usr/bin/python2.7" "--lldb-python" "/usr/bin/python2.7" "--gdb" "/usr/bin/gdb" "--llvm-version" "8.0.0\n" "--cc" "" "--cxx" "" "--cflags" "" "--llvm-components" "" "--llvm-cxxflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--color" "always" "--compare-mode" "nll"
[01:38:49] 
[01:38:49] 
[01:38:49] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test
[01:38:49] Build completed unsuccessfully in 0:08:54
[01:38:49] Build completed unsuccessfully in 0:08:54
[01:38:49] Makefile:48: recipe for target 'check' failed
[01:38:49] make: *** [check] Error 1
The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:02f199f6
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
Wed Feb 27 07:54:53 UTC 2019
---
travis_time:end:3a53450c:start=1551254096049891545,finish=1551254096061404110,duration=11512565
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:0339bc84
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:26cd498c
travis_time:start:26cd498c
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:24df6efc
$ dmesg | grep -i kill

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