timely-0.1.5 beta regression

[est31]

timely version 0.1.5 regressed from stable to beta. Cargobomb couldn't pick it up directly as root regression and reported it on other crates. Error excerpt:

    Compiling timely v0.1.15
 error: no rules expected the token `EventStreamLogger<OperatesEvent, File>`
    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/timely-0.1.15/src/logging.rs:160:35
     |
 160 |               __thread_local_inner!($t, $init);
     |                                     ^^
 ...
 164 | / thread_local!{
 165 | |     /// Logs operator creation.
 166 | |     pub static OPERATES: EventStreamLogger<OperatesEvent, File> = EventStreamLogger::new();
 167 | |     /// Logs channel creation.
 ...   |
 178 | |     pub static GUARDED_PROGRESS: EventStreamLogger<bool, File> = EventStreamLogger::new();
 179 | | }
     | |_- in this macro invocation
 
 error: Could not compile `timely`.

Affects crates:

• differential-dataflow-0.1.0

cc @frankmcsherry

[arielb1]

Duplicate of #43681.