Dec 11 08:07:23.589 INFO checking teaearlgraycold/BrainFuck against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 08:07:23.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 08:07:24.116 INFO [stdout] 287f7384ed301778828fe48110ed0abf8d15a094aea2555f319f7dc276cd3b1f
Dec 11 08:07:24.118 INFO running `"docker" "start" "-a" "287f7384ed301778828fe48110ed0abf8d15a094aea2555f319f7dc276cd3b1f"`
Dec 11 08:07:25.635 INFO [stderr] usermod: no changes
Dec 11 08:07:25.708 INFO [stderr]     Checking fucker v0.1.0 (/source)
Dec 11 08:07:26.164 INFO [stderr] warning: unused variable: `file_size`
Dec 11 08:07:26.164 INFO [stderr]   --> src/main.rs:23:9
Dec 11 08:07:26.164 INFO [stderr]    |
Dec 11 08:07:26.164 INFO [stderr] 23 |     let file_size = file.read_to_string(&mut buffer)?;
Dec 11 08:07:26.164 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_file_size` instead
Dec 11 08:07:26.164 INFO [stderr]    |
Dec 11 08:07:26.164 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:07:26.164 INFO [stderr] 
Dec 11 08:07:26.216 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 08:07:26.216 INFO [stderr]    --> src/fucker.rs:124:21
Dec 11 08:07:26.216 INFO [stderr]     |
Dec 11 08:07:26.216 INFO [stderr] 124 |                     std::io::stdout().flush();
Dec 11 08:07:26.216 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:07:26.216 INFO [stderr]     |
Dec 11 08:07:26.216 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 08:07:26.216 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 08:07:26.216 INFO [stderr] 
Dec 11 08:07:26.256 INFO [stderr] warning: unused variable: `file_size`
Dec 11 08:07:26.256 INFO [stderr]   --> src/main.rs:23:9
Dec 11 08:07:26.256 INFO [stderr]    |
Dec 11 08:07:26.256 INFO [stderr] 23 |     let file_size = file.read_to_string(&mut buffer)?;
Dec 11 08:07:26.256 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_file_size` instead
Dec 11 08:07:26.256 INFO [stderr]    |
Dec 11 08:07:26.256 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:07:26.256 INFO [stderr] 
Dec 11 08:07:26.298 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 08:07:26.298 INFO [stderr]    --> src/fucker.rs:124:21
Dec 11 08:07:26.299 INFO [stderr]     |
Dec 11 08:07:26.299 INFO [stderr] 124 |                     std::io::stdout().flush();
Dec 11 08:07:26.299 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:07:26.299 INFO [stderr]     |
Dec 11 08:07:26.299 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 08:07:26.299 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 08:07:26.299 INFO [stderr] 
Dec 11 08:07:26.344 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 11 08:07:26.346 INFO [stderr] su: No module specific data is present
Dec 11 08:07:27.236 INFO running `"docker" "inspect" "287f7384ed301778828fe48110ed0abf8d15a094aea2555f319f7dc276cd3b1f"`
Dec 11 08:07:27.600 INFO running `"docker" "rm" "-f" "287f7384ed301778828fe48110ed0abf8d15a094aea2555f319f7dc276cd3b1f"`
Dec 11 08:07:27.953 INFO [stdout] 287f7384ed301778828fe48110ed0abf8d15a094aea2555f319f7dc276cd3b1f