Dec 11 13:35:16.829 INFO checking mikeyhew/brainfuck against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:35:16.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 13:35:17.330 INFO [stdout] 8bd26fe791b53e78cb22aaf8c4fb17f0dfa3040d3a0fba47d7fd7b8941eac6f6
Dec 11 13:35:17.331 INFO running `"docker" "start" "-a" "8bd26fe791b53e78cb22aaf8c4fb17f0dfa3040d3a0fba47d7fd7b8941eac6f6"`
Dec 11 13:35:18.733 INFO [stderr] usermod: no changes
Dec 11 13:35:18.838 INFO [stderr]     Checking brainfuck v0.1.0 (/source)
Dec 11 13:35:19.200 INFO [stderr] warning: unused import: `std::mem`
Dec 11 13:35:19.200 INFO [stderr]  --> src/main.rs:2:5
Dec 11 13:35:19.200 INFO [stderr]   |
Dec 11 13:35:19.200 INFO [stderr] 2 | use std::mem;
Dec 11 13:35:19.200 INFO [stderr]   |     ^^^^^^^^
Dec 11 13:35:19.200 INFO [stderr]   |
Dec 11 13:35:19.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:35:19.200 INFO [stderr] 
Dec 11 13:35:19.200 INFO [stderr] warning: unused import: `std::char::from_u32`
Dec 11 13:35:19.200 INFO [stderr]  --> src/main.rs:5:5
Dec 11 13:35:19.200 INFO [stderr]   |
Dec 11 13:35:19.200 INFO [stderr] 5 | use std::char::from_u32;
Dec 11 13:35:19.200 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:35:19.200 INFO [stderr] 
Dec 11 13:35:19.208 INFO [stderr] warning: unused import: `std::mem`
Dec 11 13:35:19.208 INFO [stderr]  --> src/main.rs:2:5
Dec 11 13:35:19.208 INFO [stderr]   |
Dec 11 13:35:19.208 INFO [stderr] 2 | use std::mem;
Dec 11 13:35:19.208 INFO [stderr]   |     ^^^^^^^^
Dec 11 13:35:19.208 INFO [stderr]   |
Dec 11 13:35:19.208 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:35:19.208 INFO [stderr] 
Dec 11 13:35:19.208 INFO [stderr] warning: unused import: `std::char::from_u32`
Dec 11 13:35:19.208 INFO [stderr]  --> src/main.rs:5:5
Dec 11 13:35:19.208 INFO [stderr]   |
Dec 11 13:35:19.208 INFO [stderr] 5 | use std::char::from_u32;
Dec 11 13:35:19.208 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:35:19.208 INFO [stderr] 
Dec 11 13:35:19.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:35:19.276 INFO [stderr]    --> src/main.rs:142:21
Dec 11 13:35:19.276 INFO [stderr]     |
Dec 11 13:35:19.276 INFO [stderr] 142 |                     stdout.write(&byte);
Dec 11 13:35:19.276 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
Dec 11 13:35:19.276 INFO [stderr]     |
Dec 11 13:35:19.276 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 13:35:19.277 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:35:19.277 INFO [stderr] 
Dec 11 13:35:19.277 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:35:19.277 INFO [stderr]    --> src/main.rs:146:21
Dec 11 13:35:19.277 INFO [stderr]     |
Dec 11 13:35:19.277 INFO [stderr] 146 |                     stdin.read(&mut byte);
Dec 11 13:35:19.277 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:35:19.277 INFO [stderr]     |
Dec 11 13:35:19.277 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:35:19.277 INFO [stderr] 
Dec 11 13:35:19.281 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:35:19.281 INFO [stderr]    --> src/main.rs:142:21
Dec 11 13:35:19.281 INFO [stderr]     |
Dec 11 13:35:19.281 INFO [stderr] 142 |                     stdout.write(&byte);
Dec 11 13:35:19.281 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
Dec 11 13:35:19.281 INFO [stderr]     |
Dec 11 13:35:19.281 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 13:35:19.281 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:35:19.281 INFO [stderr] 
Dec 11 13:35:19.281 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:35:19.281 INFO [stderr]    --> src/main.rs:146:21
Dec 11 13:35:19.281 INFO [stderr]     |
Dec 11 13:35:19.281 INFO [stderr] 146 |                     stdin.read(&mut byte);
Dec 11 13:35:19.281 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:35:19.282 INFO [stderr]     |
Dec 11 13:35:19.282 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:35:19.282 INFO [stderr] 
Dec 11 13:35:19.322 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 11 13:35:19.325 INFO [stderr] su: No module specific data is present
Dec 11 13:35:19.958 INFO running `"docker" "inspect" "8bd26fe791b53e78cb22aaf8c4fb17f0dfa3040d3a0fba47d7fd7b8941eac6f6"`
Dec 11 13:35:20.120 INFO running `"docker" "rm" "-f" "8bd26fe791b53e78cb22aaf8c4fb17f0dfa3040d3a0fba47d7fd7b8941eac6f6"`
Dec 11 13:35:20.222 INFO [stdout] 8bd26fe791b53e78cb22aaf8c4fb17f0dfa3040d3a0fba47d7fd7b8941eac6f6