Nov 28 00:37:48.123 INFO checking mikeyhew/brainfuck against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:37:48.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 00:37:48.672 INFO [stdout] 76dc61e7c0d2b57623eda6a1782a1b1ee6da15e6e189e705c9fd113d2a9bb435
Nov 28 00:37:48.677 INFO running `"docker" "start" "-a" "76dc61e7c0d2b57623eda6a1782a1b1ee6da15e6e189e705c9fd113d2a9bb435"`
Nov 28 00:37:49.791 INFO [stderr] usermod: no changes
Nov 28 00:37:49.836 INFO [stderr]     Checking brainfuck v0.1.0 (/source)
Nov 28 00:37:50.264 INFO [stderr] warning: unused import: `std::mem`
Nov 28 00:37:50.264 INFO [stderr]  --> src/main.rs:2:5
Nov 28 00:37:50.264 INFO [stderr]   |
Nov 28 00:37:50.264 INFO [stderr] 2 | use std::mem;
Nov 28 00:37:50.264 INFO [stderr]   |     ^^^^^^^^
Nov 28 00:37:50.264 INFO [stderr]   |
Nov 28 00:37:50.264 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:37:50.264 INFO [stderr] 
Nov 28 00:37:50.264 INFO [stderr] warning: unused import: `std::char::from_u32`
Nov 28 00:37:50.264 INFO [stderr]  --> src/main.rs:5:5
Nov 28 00:37:50.264 INFO [stderr]   |
Nov 28 00:37:50.264 INFO [stderr] 5 | use std::char::from_u32;
Nov 28 00:37:50.264 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 00:37:50.264 INFO [stderr] 
Nov 28 00:37:50.344 INFO [stderr] warning: unused import: `std::mem`
Nov 28 00:37:50.344 INFO [stderr]  --> src/main.rs:2:5
Nov 28 00:37:50.344 INFO [stderr]   |
Nov 28 00:37:50.344 INFO [stderr] 2 | use std::mem;
Nov 28 00:37:50.344 INFO [stderr]   |     ^^^^^^^^
Nov 28 00:37:50.344 INFO [stderr]   |
Nov 28 00:37:50.344 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:37:50.344 INFO [stderr] 
Nov 28 00:37:50.344 INFO [stderr] warning: unused import: `std::char::from_u32`
Nov 28 00:37:50.344 INFO [stderr]  --> src/main.rs:5:5
Nov 28 00:37:50.344 INFO [stderr]   |
Nov 28 00:37:50.344 INFO [stderr] 5 | use std::char::from_u32;
Nov 28 00:37:50.344 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 00:37:50.344 INFO [stderr] 
Nov 28 00:37:50.387 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 00:37:50.387 INFO [stderr]    --> src/main.rs:142:21
Nov 28 00:37:50.387 INFO [stderr]     |
Nov 28 00:37:50.387 INFO [stderr] 142 |                     stdout.write(&byte);
Nov 28 00:37:50.387 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:37:50.387 INFO [stderr]     |
Nov 28 00:37:50.387 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 00:37:50.387 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:37:50.387 INFO [stderr] 
Nov 28 00:37:50.387 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 00:37:50.387 INFO [stderr]    --> src/main.rs:146:21
Nov 28 00:37:50.387 INFO [stderr]     |
Nov 28 00:37:50.387 INFO [stderr] 146 |                     stdin.read(&mut byte);
Nov 28 00:37:50.387 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:37:50.387 INFO [stderr]     |
Nov 28 00:37:50.387 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:37:50.387 INFO [stderr] 
Nov 28 00:37:50.507 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 00:37:50.507 INFO [stderr]    --> src/main.rs:142:21
Nov 28 00:37:50.507 INFO [stderr]     |
Nov 28 00:37:50.507 INFO [stderr] 142 |                     stdout.write(&byte);
Nov 28 00:37:50.507 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:37:50.507 INFO [stderr]     |
Nov 28 00:37:50.507 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 00:37:50.507 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:37:50.507 INFO [stderr] 
Nov 28 00:37:50.507 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 00:37:50.507 INFO [stderr]    --> src/main.rs:146:21
Nov 28 00:37:50.507 INFO [stderr]     |
Nov 28 00:37:50.507 INFO [stderr] 146 |                     stdin.read(&mut byte);
Nov 28 00:37:50.507 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:37:50.507 INFO [stderr]     |
Nov 28 00:37:50.507 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:37:50.507 INFO [stderr] 
Nov 28 00:37:50.517 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Nov 28 00:37:50.518 INFO [stderr] su: No module specific data is present
Nov 28 00:37:51.217 INFO running `"docker" "inspect" "76dc61e7c0d2b57623eda6a1782a1b1ee6da15e6e189e705c9fd113d2a9bb435"`
Nov 28 00:37:51.365 INFO running `"docker" "rm" "-f" "76dc61e7c0d2b57623eda6a1782a1b1ee6da15e6e189e705c9fd113d2a9bb435"`
Nov 28 00:37:51.493 INFO [stdout] 76dc61e7c0d2b57623eda6a1782a1b1ee6da15e6e189e705c9fd113d2a9bb435