Dec 04 16:35:04.328 INFO checking jk-gan/minigrep against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:35:04.328 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:35:04.695 INFO [stdout] cf9ebbae46285ed49ca101be8f54de02ca8c328aab011c115877b27b3114b166
Dec 04 16:35:04.701 INFO running `"docker" "start" "-a" "cf9ebbae46285ed49ca101be8f54de02ca8c328aab011c115877b27b3114b166"`
Dec 04 16:35:06.262 INFO [stderr] usermod: no changes
Dec 04 16:35:06.339 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Dec 04 16:35:06.935 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 04 16:35:06.935 INFO [stderr]  --> src/lib.rs:4:5
Dec 04 16:35:06.935 INFO [stderr]   |
Dec 04 16:35:06.935 INFO [stderr] 4 | use std::io::prelude::*;
Dec 04 16:35:06.936 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:35:06.936 INFO [stderr]   |
Dec 04 16:35:06.936 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:35:06.936 INFO [stderr] 
Dec 04 16:35:07.019 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 04 16:35:07.019 INFO [stderr]  --> src/lib.rs:4:5
Dec 04 16:35:07.019 INFO [stderr]   |
Dec 04 16:35:07.019 INFO [stderr] 4 | use std::io::prelude::*;
Dec 04 16:35:07.019 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:35:07.019 INFO [stderr]   |
Dec 04 16:35:07.019 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:35:07.019 INFO [stderr] 
Dec 04 16:35:07.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 04 16:35:07.683 INFO [stderr] su: No module specific data is present
Dec 04 16:35:09.084 INFO running `"docker" "inspect" "cf9ebbae46285ed49ca101be8f54de02ca8c328aab011c115877b27b3114b166"`
Dec 04 16:35:09.395 INFO running `"docker" "rm" "-f" "cf9ebbae46285ed49ca101be8f54de02ca8c328aab011c115877b27b3114b166"`
Dec 04 16:35:09.755 INFO [stdout] cf9ebbae46285ed49ca101be8f54de02ca8c328aab011c115877b27b3114b166