Bump cargo version

And cleanup redundant imports.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cargo-c"
-version = "0.9.30+cargo-0.77.0"
+version = "0.9.31+cargo-0.78.0"
 authors = ["Luca Barbato <lu_zero@gentoo.org>"]
 description = "Helper program to build and install c-like libraries"
 license = "MIT"
@@ -28,7 +28,7 @@ name = "cargo-ctest"
 path = "src/bin/ctest.rs"
 
 [dependencies]
-cargo = "0.77.0"
+cargo = "0.78.0"
 cargo-util = "0.2"
 semver = "1.0.3"
 log = "0.4"

src/bin/ctest.rs

@@ -1,6 +1,4 @@
 use cargo::util::command_prelude::*;
-use cargo::CliResult;
-use cargo::Config;
 
 use cargo_c::build::*;
 use cargo_c::cli::run_cargo_fallback;

src/build.rs

@@ -4,11 +4,9 @@ use std::path::{Path, PathBuf};
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex};
 
-use cargo::core::compiler::unit_graph::UnitDep;
-use cargo::core::compiler::unit_graph::UnitGraph;
-use cargo::core::compiler::Unit;
-use cargo::core::{compiler::Executor, profiles::Profiles};
-use cargo::core::{TargetKind, Workspace};
+use cargo::core::compiler::{unit_graph::UnitDep, unit_graph::UnitGraph, Executor, Unit};
+use cargo::core::profiles::Profiles;
+use cargo::core::{FeatureValue, Package, PackageId, Target, TargetKind, Workspace};
 use cargo::ops::{self, CompileFilter, CompileOptions, FilterRule, LibRule};
 use cargo::util::command_prelude::{ArgMatches, ArgMatchesExt, CompileMode, ProfileChecking};
 use cargo::util::interning::InternedString;
@@ -839,7 +837,6 @@ struct Exec {
     link_line: Mutex<HashMap<PackageId, String>>,
 }
 
-use cargo::core::*;
 use cargo::CargoResult;
 use cargo_util::ProcessBuilder;