Dec 17 16:24:00.680 INFO checking rwalters/concur_example against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:24:00.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:24:00.838 INFO [stdout] 839475b604385cdab90fd6179ad06a11d21839c643739800252d24a9a62a0444
Dec 17 16:24:00.842 INFO running `"docker" "start" "-a" "839475b604385cdab90fd6179ad06a11d21839c643739800252d24a9a62a0444"`
Dec 17 16:24:01.570 INFO [stderr]     Checking concur_example v0.1.0 (/opt/crater/workdir)
Dec 17 16:24:01.700 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 17 16:24:01.700 INFO [stderr]   --> src/main.rs:24:5
Dec 17 16:24:01.700 INFO [stderr]    |
Dec 17 16:24:01.700 INFO [stderr] 24 |     thread::sleep_ms(50);
Dec 17 16:24:01.700 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 16:24:01.700 INFO [stderr]    |
Dec 17 16:24:01.700 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 16:24:01.700 INFO [stderr] 
Dec 17 16:24:01.761 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 17 16:24:01.761 INFO [stderr]   --> src/main.rs:24:5
Dec 17 16:24:01.761 INFO [stderr]    |
Dec 17 16:24:01.761 INFO [stderr] 24 |     thread::sleep_ms(50);
Dec 17 16:24:01.761 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 16:24:01.761 INFO [stderr]    |
Dec 17 16:24:01.761 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 16:24:01.761 INFO [stderr] 
Dec 17 16:24:01.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:24:01.772 INFO [stderr]   --> src/main.rs:40:13
Dec 17 16:24:01.772 INFO [stderr]    |
Dec 17 16:24:01.772 INFO [stderr] 40 |             tx.send(());
Dec 17 16:24:01.772 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 17 16:24:01.772 INFO [stderr]    |
Dec 17 16:24:01.772 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 16:24:01.772 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:24:01.772 INFO [stderr] 
Dec 17 16:24:01.774 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:24:01.774 INFO [stderr]   --> src/main.rs:46:9
Dec 17 16:24:01.774 INFO [stderr]    |
Dec 17 16:24:01.774 INFO [stderr] 46 |         rx.recv();
Dec 17 16:24:01.774 INFO [stderr]    |         ^^^^^^^^^^
Dec 17 16:24:01.774 INFO [stderr]    |
Dec 17 16:24:01.774 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:24:01.774 INFO [stderr] 
Dec 17 16:24:01.774 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:24:01.774 INFO [stderr]   --> src/main.rs:55:13
Dec 17 16:24:01.774 INFO [stderr]    |
Dec 17 16:24:01.774 INFO [stderr] 55 |             tx.send(i);
Dec 17 16:24:01.774 INFO [stderr]    |             ^^^^^^^^^^^
Dec 17 16:24:01.774 INFO [stderr]    |
Dec 17 16:24:01.774 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:24:01.774 INFO [stderr] 
Dec 17 16:24:01.822 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:24:01.822 INFO [stderr]   --> src/main.rs:40:13
Dec 17 16:24:01.822 INFO [stderr]    |
Dec 17 16:24:01.822 INFO [stderr] 40 |             tx.send(());
Dec 17 16:24:01.822 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 17 16:24:01.822 INFO [stderr]    |
Dec 17 16:24:01.822 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 16:24:01.822 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:24:01.822 INFO [stderr] 
Dec 17 16:24:01.822 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:24:01.822 INFO [stderr]   --> src/main.rs:46:9
Dec 17 16:24:01.822 INFO [stderr]    |
Dec 17 16:24:01.822 INFO [stderr] 46 |         rx.recv();
Dec 17 16:24:01.822 INFO [stderr]    |         ^^^^^^^^^^
Dec 17 16:24:01.822 INFO [stderr]    |
Dec 17 16:24:01.822 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:24:01.822 INFO [stderr] 
Dec 17 16:24:01.823 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:24:01.823 INFO [stderr]   --> src/main.rs:55:13
Dec 17 16:24:01.823 INFO [stderr]    |
Dec 17 16:24:01.823 INFO [stderr] 55 |             tx.send(i);
Dec 17 16:24:01.823 INFO [stderr]    |             ^^^^^^^^^^^
Dec 17 16:24:01.823 INFO [stderr]    |
Dec 17 16:24:01.823 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:24:01.823 INFO [stderr] 
Dec 17 16:24:01.833 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Dec 17 16:24:02.132 INFO running `"docker" "inspect" "839475b604385cdab90fd6179ad06a11d21839c643739800252d24a9a62a0444"`
Dec 17 16:24:02.294 INFO running `"docker" "rm" "-f" "839475b604385cdab90fd6179ad06a11d21839c643739800252d24a9a62a0444"`
Dec 17 16:24:02.502 INFO [stdout] 839475b604385cdab90fd6179ad06a11d21839c643739800252d24a9a62a0444