Dec 19 10:55:08.264 INFO checking pinkisemils/rust_shenanigans against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:55:08.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/pinkisemils/rust_shenanigans:/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 10:55:08.758 INFO [stdout] cf64f9cc55f1640675d1a2269e2c87afcf649ea3b7d29c687e6392fb01c19c37
Dec 19 10:55:08.768 INFO running `"docker" "start" "-a" "cf64f9cc55f1640675d1a2269e2c87afcf649ea3b7d29c687e6392fb01c19c37"`
Dec 19 10:55:10.526 INFO [stderr]     Checking bitflags v0.7.1
Dec 19 10:55:10.527 INFO [stderr]    Compiling deco v0.1.0 (/opt/crater/workdir)
Dec 19 10:55:10.769 INFO [stderr]     Checking png v0.6.2
Dec 19 10:55:12.398 INFO [stderr]     Checking image v0.12.3
Dec 19 10:55:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:55:16.477 INFO [stderr]   --> src/lib.rs:28:21
Dec 19 10:55:16.477 INFO [stderr]    |
Dec 19 10:55:16.477 INFO [stderr] 28 |                     tx.send(trim(sendable));
Dec 19 10:55:16.477 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:55:16.477 INFO [stderr]    |
Dec 19 10:55:16.477 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 10:55:16.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:55:16.477 INFO [stderr] 
Dec 19 10:55:16.533 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:55:16.533 INFO [stderr]   --> src/lib.rs:28:21
Dec 19 10:55:16.533 INFO [stderr]    |
Dec 19 10:55:16.533 INFO [stderr] 28 |                     tx.send(trim(sendable));
Dec 19 10:55:16.533 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:55:16.534 INFO [stderr]    |
Dec 19 10:55:16.534 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 10:55:16.534 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:55:16.534 INFO [stderr] 
Dec 19 10:55:16.888 INFO [stderr] warning: unused variable: `dec_t`
Dec 19 10:55:16.888 INFO [stderr]   --> src/bin/main.rs:32:9
Dec 19 10:55:16.888 INFO [stderr]    |
Dec 19 10:55:16.888 INFO [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
Dec 19 10:55:16.888 INFO [stderr]    |         ^^^^^ help: consider using `_dec_t` instead
Dec 19 10:55:16.888 INFO [stderr]    |
Dec 19 10:55:16.888 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:55:16.888 INFO [stderr] 
Dec 19 10:55:16.916 INFO [stderr] warning: unused variable: `dec_t`
Dec 19 10:55:16.916 INFO [stderr]   --> src/bin/main.rs:32:9
Dec 19 10:55:16.916 INFO [stderr]    |
Dec 19 10:55:16.916 INFO [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
Dec 19 10:55:16.916 INFO [stderr]    |         ^^^^^ help: consider using `_dec_t` instead
Dec 19 10:55:16.916 INFO [stderr]    |
Dec 19 10:55:16.916 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:55:16.916 INFO [stderr] 
Dec 19 10:55:16.977 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
Dec 19 10:55:17.766 INFO running `"docker" "inspect" "cf64f9cc55f1640675d1a2269e2c87afcf649ea3b7d29c687e6392fb01c19c37"`
Dec 19 10:55:18.142 INFO running `"docker" "rm" "-f" "cf64f9cc55f1640675d1a2269e2c87afcf649ea3b7d29c687e6392fb01c19c37"`
Dec 19 10:55:18.479 INFO [stdout] cf64f9cc55f1640675d1a2269e2c87afcf649ea3b7d29c687e6392fb01c19c37