Dec 19 09:38:51.208 INFO checking rwalters/concur_example against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:38:51.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rwalters/concur_example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:38:51.532 INFO [stdout] d995a2f90103d36ddf84cba2d35397010ab4d1688f80a50ca00c0d17abb2a65f
Dec 19 09:38:51.534 INFO running `"docker" "start" "-a" "d995a2f90103d36ddf84cba2d35397010ab4d1688f80a50ca00c0d17abb2a65f"`
Dec 19 09:38:53.255 INFO [stderr]     Checking concur_example v0.1.0 (/opt/crater/workdir)
Dec 19 09:38:53.476 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 19 09:38:53.476 INFO [stderr]   --> src/main.rs:24:5
Dec 19 09:38:53.476 INFO [stderr]    |
Dec 19 09:38:53.476 INFO [stderr] 24 |     thread::sleep_ms(50);
Dec 19 09:38:53.476 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 09:38:53.476 INFO [stderr]    |
Dec 19 09:38:53.476 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 09:38:53.476 INFO [stderr] 
Dec 19 09:38:53.532 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 19 09:38:53.532 INFO [stderr]   --> src/main.rs:24:5
Dec 19 09:38:53.532 INFO [stderr]    |
Dec 19 09:38:53.532 INFO [stderr] 24 |     thread::sleep_ms(50);
Dec 19 09:38:53.532 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 09:38:53.532 INFO [stderr]    |
Dec 19 09:38:53.532 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 09:38:53.532 INFO [stderr] 
Dec 19 09:38:53.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:38:53.540 INFO [stderr]   --> src/main.rs:40:13
Dec 19 09:38:53.540 INFO [stderr]    |
Dec 19 09:38:53.540 INFO [stderr] 40 |             tx.send(());
Dec 19 09:38:53.540 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 19 09:38:53.540 INFO [stderr]    |
Dec 19 09:38:53.540 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 09:38:53.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:38:53.540 INFO [stderr] 
Dec 19 09:38:53.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:38:53.540 INFO [stderr]   --> src/main.rs:46:9
Dec 19 09:38:53.540 INFO [stderr]    |
Dec 19 09:38:53.540 INFO [stderr] 46 |         rx.recv();
Dec 19 09:38:53.540 INFO [stderr]    |         ^^^^^^^^^^
Dec 19 09:38:53.540 INFO [stderr]    |
Dec 19 09:38:53.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:38:53.540 INFO [stderr] 
Dec 19 09:38:53.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:38:53.540 INFO [stderr]   --> src/main.rs:55:13
Dec 19 09:38:53.540 INFO [stderr]    |
Dec 19 09:38:53.540 INFO [stderr] 55 |             tx.send(i);
Dec 19 09:38:53.540 INFO [stderr]    |             ^^^^^^^^^^^
Dec 19 09:38:53.540 INFO [stderr]    |
Dec 19 09:38:53.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:38:53.540 INFO [stderr] 
Dec 19 09:38:53.599 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:38:53.599 INFO [stderr]   --> src/main.rs:40:13
Dec 19 09:38:53.599 INFO [stderr]    |
Dec 19 09:38:53.599 INFO [stderr] 40 |             tx.send(());
Dec 19 09:38:53.599 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 19 09:38:53.599 INFO [stderr]    |
Dec 19 09:38:53.599 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 09:38:53.599 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:38:53.599 INFO [stderr] 
Dec 19 09:38:53.599 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:38:53.599 INFO [stderr]   --> src/main.rs:46:9
Dec 19 09:38:53.599 INFO [stderr]    |
Dec 19 09:38:53.599 INFO [stderr] 46 |         rx.recv();
Dec 19 09:38:53.599 INFO [stderr]    |         ^^^^^^^^^^
Dec 19 09:38:53.599 INFO [stderr]    |
Dec 19 09:38:53.599 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:38:53.599 INFO [stderr] 
Dec 19 09:38:53.599 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:38:53.599 INFO [stderr]   --> src/main.rs:55:13
Dec 19 09:38:53.599 INFO [stderr]    |
Dec 19 09:38:53.599 INFO [stderr] 55 |             tx.send(i);
Dec 19 09:38:53.599 INFO [stderr]    |             ^^^^^^^^^^^
Dec 19 09:38:53.599 INFO [stderr]    |
Dec 19 09:38:53.599 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:38:53.599 INFO [stderr] 
Dec 19 09:38:53.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 19 09:38:54.308 INFO running `"docker" "inspect" "d995a2f90103d36ddf84cba2d35397010ab4d1688f80a50ca00c0d17abb2a65f"`
Dec 19 09:38:54.592 INFO running `"docker" "rm" "-f" "d995a2f90103d36ddf84cba2d35397010ab4d1688f80a50ca00c0d17abb2a65f"`
Dec 19 09:38:54.856 INFO [stdout] d995a2f90103d36ddf84cba2d35397010ab4d1688f80a50ca00c0d17abb2a65f