Dec 12 17:47:59.940 INFO checking bagpipe-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:47:59.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 17:48:00.453 INFO [stdout] 91aa1bcbd965db47d3ace3c910c44ae641ecd3ab95c3187c90569cbebc3020de
Dec 12 17:48:00.455 INFO running `"docker" "start" "-a" "91aa1bcbd965db47d3ace3c910c44ae641ecd3ab95c3187c90569cbebc3020de"`
Dec 12 17:48:02.195 INFO [stderr] usermod: no changes
Dec 12 17:48:02.314 INFO [stderr]     Checking bagpipe v0.1.0 (/source)
Dec 12 17:48:05.308 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.314 INFO [stderr]   --> src/bin/bench_bag.rs:82:17
Dec 12 17:48:05.314 INFO [stderr]    |
Dec 12 17:48:05.314 INFO [stderr] 82 |                 bag.try_pop_mut();
Dec 12 17:48:05.314 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.314 INFO [stderr]    |
Dec 12 17:48:05.314 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 17:48:05.314 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.314 INFO [stderr] 
Dec 12 17:48:05.314 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.314 INFO [stderr]    --> src/bin/bench_bag.rs:141:17
Dec 12 17:48:05.314 INFO [stderr]     |
Dec 12 17:48:05.314 INFO [stderr] 141 |                 bag.try_pop_mut();
Dec 12 17:48:05.314 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.314 INFO [stderr]     |
Dec 12 17:48:05.314 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.314 INFO [stderr] 
Dec 12 17:48:05.314 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.315 INFO [stderr]    --> src/bin/bench_bag.rs:210:17
Dec 12 17:48:05.315 INFO [stderr]     |
Dec 12 17:48:05.315 INFO [stderr] 210 |                 bag.try_pop_mut();
Dec 12 17:48:05.315 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.315 INFO [stderr]     |
Dec 12 17:48:05.315 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.315 INFO [stderr] 
Dec 12 17:48:05.315 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.315 INFO [stderr]    --> src/bin/bench_bag.rs:284:17
Dec 12 17:48:05.315 INFO [stderr]     |
Dec 12 17:48:05.315 INFO [stderr] 284 |                 bag.try_pop_mut();
Dec 12 17:48:05.315 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.315 INFO [stderr]     |
Dec 12 17:48:05.315 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.315 INFO [stderr] 
Dec 12 17:48:05.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.408 INFO [stderr]   --> src/bin/bench_bag.rs:82:17
Dec 12 17:48:05.408 INFO [stderr]    |
Dec 12 17:48:05.408 INFO [stderr] 82 |                 bag.try_pop_mut();
Dec 12 17:48:05.408 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.408 INFO [stderr]    |
Dec 12 17:48:05.408 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 17:48:05.408 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.408 INFO [stderr] 
Dec 12 17:48:05.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.408 INFO [stderr]    --> src/bin/bench_bag.rs:141:17
Dec 12 17:48:05.408 INFO [stderr]     |
Dec 12 17:48:05.408 INFO [stderr] 141 |                 bag.try_pop_mut();
Dec 12 17:48:05.408 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.408 INFO [stderr]     |
Dec 12 17:48:05.408 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.408 INFO [stderr] 
Dec 12 17:48:05.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.408 INFO [stderr]    --> src/bin/bench_bag.rs:210:17
Dec 12 17:48:05.408 INFO [stderr]     |
Dec 12 17:48:05.408 INFO [stderr] 210 |                 bag.try_pop_mut();
Dec 12 17:48:05.408 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.408 INFO [stderr]     |
Dec 12 17:48:05.408 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.408 INFO [stderr] 
Dec 12 17:48:05.408 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:48:05.408 INFO [stderr]    --> src/bin/bench_bag.rs:284:17
Dec 12 17:48:05.408 INFO [stderr]     |
Dec 12 17:48:05.408 INFO [stderr] 284 |                 bag.try_pop_mut();
Dec 12 17:48:05.408 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 17:48:05.408 INFO [stderr]     |
Dec 12 17:48:05.408 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:48:05.408 INFO [stderr] 
Dec 12 17:48:05.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
Dec 12 17:48:05.425 INFO [stderr] su: No module specific data is present
Dec 12 17:48:06.039 INFO running `"docker" "inspect" "91aa1bcbd965db47d3ace3c910c44ae641ecd3ab95c3187c90569cbebc3020de"`
Dec 12 17:48:06.117 INFO running `"docker" "rm" "-f" "91aa1bcbd965db47d3ace3c910c44ae641ecd3ab95c3187c90569cbebc3020de"`
Dec 12 17:48:06.240 INFO [stdout] 91aa1bcbd965db47d3ace3c910c44ae641ecd3ab95c3187c90569cbebc3020de