Dec 18 18:18:38.793 INFO checking bagpipe-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:18:38.793 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/reg/bagpipe/0.1.0:/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 18 18:18:39.204 INFO [stdout] 9447be893d734b1781d270255b61fc638dfd29398c449e2b08c7e6b2109d1b8a
Dec 18 18:18:39.220 INFO running `"docker" "start" "-a" "9447be893d734b1781d270255b61fc638dfd29398c449e2b08c7e6b2109d1b8a"`
Dec 18 18:18:40.411 INFO [stderr]     Checking bagpipe v0.1.0 (/opt/crater/workdir)
Dec 18 18:18:41.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.821 INFO [stderr]   --> src/bin/bench_bag.rs:82:17
Dec 18 18:18:41.821 INFO [stderr]    |
Dec 18 18:18:41.821 INFO [stderr] 82 |                 bag.try_pop_mut();
Dec 18 18:18:41.821 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.821 INFO [stderr]    |
Dec 18 18:18:41.821 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 18:18:41.821 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.821 INFO [stderr] 
Dec 18 18:18:41.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.821 INFO [stderr]    --> src/bin/bench_bag.rs:141:17
Dec 18 18:18:41.821 INFO [stderr]     |
Dec 18 18:18:41.821 INFO [stderr] 141 |                 bag.try_pop_mut();
Dec 18 18:18:41.821 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.821 INFO [stderr]     |
Dec 18 18:18:41.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.821 INFO [stderr] 
Dec 18 18:18:41.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.821 INFO [stderr]    --> src/bin/bench_bag.rs:210:17
Dec 18 18:18:41.821 INFO [stderr]     |
Dec 18 18:18:41.821 INFO [stderr] 210 |                 bag.try_pop_mut();
Dec 18 18:18:41.821 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.821 INFO [stderr]     |
Dec 18 18:18:41.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.821 INFO [stderr] 
Dec 18 18:18:41.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.821 INFO [stderr]    --> src/bin/bench_bag.rs:284:17
Dec 18 18:18:41.821 INFO [stderr]     |
Dec 18 18:18:41.821 INFO [stderr] 284 |                 bag.try_pop_mut();
Dec 18 18:18:41.821 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.821 INFO [stderr]     |
Dec 18 18:18:41.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.821 INFO [stderr] 
Dec 18 18:18:41.824 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.824 INFO [stderr]   --> src/bin/bench_bag.rs:82:17
Dec 18 18:18:41.824 INFO [stderr]    |
Dec 18 18:18:41.824 INFO [stderr] 82 |                 bag.try_pop_mut();
Dec 18 18:18:41.824 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.824 INFO [stderr]    |
Dec 18 18:18:41.825 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 18:18:41.825 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.825 INFO [stderr] 
Dec 18 18:18:41.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.825 INFO [stderr]    --> src/bin/bench_bag.rs:141:17
Dec 18 18:18:41.825 INFO [stderr]     |
Dec 18 18:18:41.825 INFO [stderr] 141 |                 bag.try_pop_mut();
Dec 18 18:18:41.825 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.825 INFO [stderr]     |
Dec 18 18:18:41.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.825 INFO [stderr] 
Dec 18 18:18:41.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.825 INFO [stderr]    --> src/bin/bench_bag.rs:210:17
Dec 18 18:18:41.825 INFO [stderr]     |
Dec 18 18:18:41.825 INFO [stderr] 210 |                 bag.try_pop_mut();
Dec 18 18:18:41.825 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.825 INFO [stderr]     |
Dec 18 18:18:41.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.825 INFO [stderr] 
Dec 18 18:18:41.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:18:41.825 INFO [stderr]    --> src/bin/bench_bag.rs:284:17
Dec 18 18:18:41.825 INFO [stderr]     |
Dec 18 18:18:41.825 INFO [stderr] 284 |                 bag.try_pop_mut();
Dec 18 18:18:41.825 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 18 18:18:41.825 INFO [stderr]     |
Dec 18 18:18:41.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:18:41.825 INFO [stderr] 
Dec 18 18:18:41.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Dec 18 18:18:42.576 INFO running `"docker" "inspect" "9447be893d734b1781d270255b61fc638dfd29398c449e2b08c7e6b2109d1b8a"`
Dec 18 18:18:42.698 INFO running `"docker" "rm" "-f" "9447be893d734b1781d270255b61fc638dfd29398c449e2b08c7e6b2109d1b8a"`
Dec 18 18:18:42.819 INFO [stdout] 9447be893d734b1781d270255b61fc638dfd29398c449e2b08c7e6b2109d1b8a