Nov 29 22:17:35.981 INFO checking mikeyhew/brainfuck against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 22:17:35.981 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 22:17:36.572 INFO [stdout] 56c67ca4eb5528e6839fac1cbcdecee76357d913b1b78283e622d191bf907867
Nov 29 22:17:36.574 INFO running `"docker" "start" "-a" "56c67ca4eb5528e6839fac1cbcdecee76357d913b1b78283e622d191bf907867"`
Nov 29 22:17:37.601 INFO [stderr] usermod: no changes
Nov 29 22:17:37.668 INFO [stderr]     Checking brainfuck v0.1.0 (/source)
Nov 29 22:17:37.933 INFO [stderr] warning: unused import: `std::mem`
Nov 29 22:17:37.933 INFO [stderr]  --> src/main.rs:2:5
Nov 29 22:17:37.933 INFO [stderr]   |
Nov 29 22:17:37.933 INFO [stderr] 2 | use std::mem;
Nov 29 22:17:37.933 INFO [stderr]   |     ^^^^^^^^
Nov 29 22:17:37.933 INFO [stderr]   |
Nov 29 22:17:37.933 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 22:17:37.934 INFO [stderr] 
Nov 29 22:17:37.934 INFO [stderr] warning: unused import: `std::char::from_u32`
Nov 29 22:17:37.934 INFO [stderr]  --> src/main.rs:5:5
Nov 29 22:17:37.934 INFO [stderr]   |
Nov 29 22:17:37.934 INFO [stderr] 5 | use std::char::from_u32;
Nov 29 22:17:37.934 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 29 22:17:37.934 INFO [stderr] 
Nov 29 22:17:37.980 INFO [stderr] warning: unused import: `std::mem`
Nov 29 22:17:37.980 INFO [stderr]  --> src/main.rs:2:5
Nov 29 22:17:37.980 INFO [stderr]   |
Nov 29 22:17:37.980 INFO [stderr] 2 | use std::mem;
Nov 29 22:17:37.980 INFO [stderr]   |     ^^^^^^^^
Nov 29 22:17:37.980 INFO [stderr]   |
Nov 29 22:17:37.980 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 22:17:37.980 INFO [stderr] 
Nov 29 22:17:37.980 INFO [stderr] warning: unused import: `std::char::from_u32`
Nov 29 22:17:37.980 INFO [stderr]  --> src/main.rs:5:5
Nov 29 22:17:37.980 INFO [stderr]   |
Nov 29 22:17:37.980 INFO [stderr] 5 | use std::char::from_u32;
Nov 29 22:17:37.980 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 29 22:17:37.980 INFO [stderr] 
Nov 29 22:17:38.040 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:17:38.040 INFO [stderr]    --> src/main.rs:142:21
Nov 29 22:17:38.040 INFO [stderr]     |
Nov 29 22:17:38.040 INFO [stderr] 142 |                     stdout.write(&byte);
Nov 29 22:17:38.040 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
Nov 29 22:17:38.040 INFO [stderr]     |
Nov 29 22:17:38.040 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 22:17:38.040 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:17:38.040 INFO [stderr] 
Nov 29 22:17:38.040 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:17:38.040 INFO [stderr]    --> src/main.rs:146:21
Nov 29 22:17:38.040 INFO [stderr]     |
Nov 29 22:17:38.040 INFO [stderr] 146 |                     stdin.read(&mut byte);
Nov 29 22:17:38.040 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 22:17:38.040 INFO [stderr]     |
Nov 29 22:17:38.040 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:17:38.041 INFO [stderr] 
Nov 29 22:17:38.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:17:38.068 INFO [stderr]    --> src/main.rs:142:21
Nov 29 22:17:38.068 INFO [stderr]     |
Nov 29 22:17:38.068 INFO [stderr] 142 |                     stdout.write(&byte);
Nov 29 22:17:38.068 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
Nov 29 22:17:38.068 INFO [stderr]     |
Nov 29 22:17:38.068 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 22:17:38.068 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:17:38.068 INFO [stderr] 
Nov 29 22:17:38.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:17:38.068 INFO [stderr]    --> src/main.rs:146:21
Nov 29 22:17:38.068 INFO [stderr]     |
Nov 29 22:17:38.068 INFO [stderr] 146 |                     stdin.read(&mut byte);
Nov 29 22:17:38.068 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 22:17:38.068 INFO [stderr]     |
Nov 29 22:17:38.068 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:17:38.068 INFO [stderr] 
Nov 29 22:17:38.081 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Nov 29 22:17:38.087 INFO [stderr] su: No module specific data is present
Nov 29 22:17:38.533 INFO running `"docker" "inspect" "56c67ca4eb5528e6839fac1cbcdecee76357d913b1b78283e622d191bf907867"`
Nov 29 22:17:38.658 INFO running `"docker" "rm" "-f" "56c67ca4eb5528e6839fac1cbcdecee76357d913b1b78283e622d191bf907867"`
Nov 29 22:17:38.823 INFO [stdout] 56c67ca4eb5528e6839fac1cbcdecee76357d913b1b78283e622d191bf907867