Dec 19 15:02:58.436 INFO checking joelpalmer/minigrep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:02:58.436 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/joelpalmer/minigrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:02:59.051 INFO [stdout] fbdf3ea572b2ccbef8146f2880b95676d748a09df1e927d21f91c734af5369ca
Dec 19 15:02:59.054 INFO running `"docker" "start" "-a" "fbdf3ea572b2ccbef8146f2880b95676d748a09df1e927d21f91c734af5369ca"`
Dec 19 15:03:00.646 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 19 15:03:00.861 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 15:03:00.861 INFO [stderr]  --> src/lib.rs:2:5
Dec 19 15:03:00.861 INFO [stderr]   |
Dec 19 15:03:00.861 INFO [stderr] 2 | use std::fs::File;
Dec 19 15:03:00.861 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 15:03:00.861 INFO [stderr]   |
Dec 19 15:03:00.861 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:03:00.861 INFO [stderr] 
Dec 19 15:03:00.861 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 15:03:00.861 INFO [stderr]  --> src/lib.rs:3:5
Dec 19 15:03:00.861 INFO [stderr]   |
Dec 19 15:03:00.861 INFO [stderr] 3 | use std::io::prelude::*;
Dec 19 15:03:00.861 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 15:03:00.861 INFO [stderr] 
Dec 19 15:03:00.861 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 15:03:00.861 INFO [stderr]  --> src/lib.rs:2:5
Dec 19 15:03:00.861 INFO [stderr]   |
Dec 19 15:03:00.861 INFO [stderr] 2 | use std::fs::File;
Dec 19 15:03:00.861 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 15:03:00.861 INFO [stderr]   |
Dec 19 15:03:00.861 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:03:00.861 INFO [stderr] 
Dec 19 15:03:00.861 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 15:03:00.861 INFO [stderr]  --> src/lib.rs:3:5
Dec 19 15:03:00.861 INFO [stderr]   |
Dec 19 15:03:00.861 INFO [stderr] 3 | use std::io::prelude::*;
Dec 19 15:03:00.861 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 15:03:00.861 INFO [stderr] 
Dec 19 15:03:01.252 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 19 15:03:01.974 INFO running `"docker" "inspect" "fbdf3ea572b2ccbef8146f2880b95676d748a09df1e927d21f91c734af5369ca"`
Dec 19 15:03:02.269 INFO running `"docker" "rm" "-f" "fbdf3ea572b2ccbef8146f2880b95676d748a09df1e927d21f91c734af5369ca"`
Dec 19 15:03:02.635 INFO [stdout] fbdf3ea572b2ccbef8146f2880b95676d748a09df1e927d21f91c734af5369ca