Oct 12 17:24:05.698 INFO checking mikeyhew/brainfuck against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:24:05.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:24:06.269 INFO blam! 2b4b5b067e22cc86e5b8c200184bea773e6ba227353f34ef13a94dda75440fdf
Oct 12 17:24:06.270 INFO running `"docker" "start" "-a" "2b4b5b067e22cc86e5b8c200184bea773e6ba227353f34ef13a94dda75440fdf"`
Oct 12 17:24:07.458 INFO kablam! usermod: no changes
Oct 12 17:24:07.500 INFO kablam!     Checking brainfuck v0.1.0 (/source)
Oct 12 17:24:08.109 INFO kablam! warning: unused import: `std::mem`
Oct 12 17:24:08.109 INFO kablam!  --> src/main.rs:2:5
Oct 12 17:24:08.110 INFO kablam!   |
Oct 12 17:24:08.110 INFO kablam! 2 | use std::mem;
Oct 12 17:24:08.110 INFO kablam!   |     ^^^^^^^^
Oct 12 17:24:08.110 INFO kablam!   |
Oct 12 17:24:08.111 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:24:08.111 INFO kablam! 
Oct 12 17:24:08.111 INFO kablam! warning: unused import: `std::char::from_u32`
Oct 12 17:24:08.112 INFO kablam!  --> src/main.rs:5:5
Oct 12 17:24:08.112 INFO kablam!   |
Oct 12 17:24:08.112 INFO kablam! 5 | use std::char::from_u32;
Oct 12 17:24:08.113 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 17:24:08.113 INFO kablam! 
Oct 12 17:24:08.232 INFO kablam! warning: unused import: `std::mem`
Oct 12 17:24:08.232 INFO kablam!  --> src/main.rs:2:5
Oct 12 17:24:08.232 INFO kablam!   |
Oct 12 17:24:08.232 INFO kablam! 2 | use std::mem;
Oct 12 17:24:08.232 INFO kablam!   |     ^^^^^^^^
Oct 12 17:24:08.232 INFO kablam!   |
Oct 12 17:24:08.232 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:24:08.232 INFO kablam! 
Oct 12 17:24:08.232 INFO kablam! warning: unused import: `std::char::from_u32`
Oct 12 17:24:08.232 INFO kablam!  --> src/main.rs:5:5
Oct 12 17:24:08.232 INFO kablam!   |
Oct 12 17:24:08.232 INFO kablam! 5 | use std::char::from_u32;
Oct 12 17:24:08.232 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 17:24:08.232 INFO kablam! 
Oct 12 17:24:08.279 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:24:08.279 INFO kablam!    --> src/main.rs:142:21
Oct 12 17:24:08.279 INFO kablam!     |
Oct 12 17:24:08.279 INFO kablam! 142 |                     stdout.write(&byte);
Oct 12 17:24:08.279 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:24:08.279 INFO kablam!     |
Oct 12 17:24:08.279 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 17:24:08.279 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:24:08.279 INFO kablam! 
Oct 12 17:24:08.279 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:24:08.279 INFO kablam!    --> src/main.rs:146:21
Oct 12 17:24:08.279 INFO kablam!     |
Oct 12 17:24:08.279 INFO kablam! 146 |                     stdin.read(&mut byte);
Oct 12 17:24:08.279 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:24:08.279 INFO kablam!     |
Oct 12 17:24:08.279 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:24:08.279 INFO kablam! 
Oct 12 17:24:08.416 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:24:08.416 INFO kablam!    --> src/main.rs:142:21
Oct 12 17:24:08.416 INFO kablam!     |
Oct 12 17:24:08.416 INFO kablam! 142 |                     stdout.write(&byte);
Oct 12 17:24:08.416 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:24:08.416 INFO kablam!     |
Oct 12 17:24:08.416 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 17:24:08.416 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:24:08.416 INFO kablam! 
Oct 12 17:24:08.416 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:24:08.416 INFO kablam!    --> src/main.rs:146:21
Oct 12 17:24:08.416 INFO kablam!     |
Oct 12 17:24:08.416 INFO kablam! 146 |                     stdin.read(&mut byte);
Oct 12 17:24:08.416 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:24:08.416 INFO kablam!     |
Oct 12 17:24:08.417 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:24:08.417 INFO kablam! 
Oct 12 17:24:08.468 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Oct 12 17:24:08.476 INFO kablam! su: No module specific data is present
Oct 12 17:24:09.214 INFO running `"docker" "rm" "-f" "2b4b5b067e22cc86e5b8c200184bea773e6ba227353f34ef13a94dda75440fdf"`
Oct 12 17:24:09.517 INFO blam! 2b4b5b067e22cc86e5b8c200184bea773e6ba227353f34ef13a94dda75440fdf