Dec 04 12:20:55.319 INFO checking pinkisemils/rust_shenanigans against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:20:55.319 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 12:20:55.831 INFO [stdout] 2596d74e848985026087cc0506eda2b24444f41f035bff5dd69ddd4237676ed1
Dec 04 12:20:55.833 INFO running `"docker" "start" "-a" "2596d74e848985026087cc0506eda2b24444f41f035bff5dd69ddd4237676ed1"`
Dec 04 12:20:56.934 INFO [stderr] usermod: no changes
Dec 04 12:20:57.087 INFO [stderr]     Checking bitflags v0.7.1
Dec 04 12:20:57.091 INFO [stderr]    Compiling deco v0.1.0 (/source)
Dec 04 12:20:57.291 INFO [stderr]     Checking png v0.6.2
Dec 04 12:20:59.537 INFO [stderr]     Checking image v0.12.3
Dec 04 12:21:04.371 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 12:21:04.371 INFO [stderr]   --> src/lib.rs:28:21
Dec 04 12:21:04.371 INFO [stderr]    |
Dec 04 12:21:04.371 INFO [stderr] 28 |                     tx.send(trim(sendable));
Dec 04 12:21:04.371 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:21:04.371 INFO [stderr]    |
Dec 04 12:21:04.371 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 12:21:04.371 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 12:21:04.371 INFO [stderr] 
Dec 04 12:21:04.411 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 12:21:04.411 INFO [stderr]   --> src/lib.rs:28:21
Dec 04 12:21:04.411 INFO [stderr]    |
Dec 04 12:21:04.411 INFO [stderr] 28 |                     tx.send(trim(sendable));
Dec 04 12:21:04.411 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:21:04.411 INFO [stderr]    |
Dec 04 12:21:04.411 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 12:21:04.411 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 12:21:04.411 INFO [stderr] 
Dec 04 12:21:05.375 INFO [stderr] warning: unused variable: `dec_t`
Dec 04 12:21:05.375 INFO [stderr]   --> src/bin/main.rs:32:9
Dec 04 12:21:05.375 INFO [stderr]    |
Dec 04 12:21:05.375 INFO [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
Dec 04 12:21:05.375 INFO [stderr]    |         ^^^^^ help: consider using `_dec_t` instead
Dec 04 12:21:05.375 INFO [stderr]    |
Dec 04 12:21:05.375 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:21:05.375 INFO [stderr] 
Dec 04 12:21:05.375 INFO [stderr] warning: unused variable: `dec_t`
Dec 04 12:21:05.375 INFO [stderr]   --> src/bin/main.rs:32:9
Dec 04 12:21:05.375 INFO [stderr]    |
Dec 04 12:21:05.375 INFO [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
Dec 04 12:21:05.375 INFO [stderr]    |         ^^^^^ help: consider using `_dec_t` instead
Dec 04 12:21:05.375 INFO [stderr]    |
Dec 04 12:21:05.375 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:21:05.375 INFO [stderr] 
Dec 04 12:21:05.429 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.47s
Dec 04 12:21:05.435 INFO [stderr] su: No module specific data is present
Dec 04 12:21:06.183 INFO running `"docker" "inspect" "2596d74e848985026087cc0506eda2b24444f41f035bff5dd69ddd4237676ed1"`
Dec 04 12:21:06.519 INFO running `"docker" "rm" "-f" "2596d74e848985026087cc0506eda2b24444f41f035bff5dd69ddd4237676ed1"`
Dec 04 12:21:06.921 INFO [stdout] 2596d74e848985026087cc0506eda2b24444f41f035bff5dd69ddd4237676ed1