Dec 17 22:11:14.190 INFO checking joelpalmer/minigrep against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:11:14.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:11:14.735 INFO [stdout] c2aa6e734f18e84ed0c35f0fcbdcda72899c3cbb78d9e6c608600ba96489908d
Dec 17 22:11:14.740 INFO running `"docker" "start" "-a" "c2aa6e734f18e84ed0c35f0fcbdcda72899c3cbb78d9e6c608600ba96489908d"`
Dec 17 22:11:16.888 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 17 22:11:17.097 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 22:11:17.098 INFO [stderr]  --> src/lib.rs:2:5
Dec 17 22:11:17.098 INFO [stderr]   |
Dec 17 22:11:17.098 INFO [stderr] 2 | use std::fs::File;
Dec 17 22:11:17.099 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 22:11:17.099 INFO [stderr]   |
Dec 17 22:11:17.099 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:11:17.099 INFO [stderr] 
Dec 17 22:11:17.100 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 17 22:11:17.100 INFO [stderr]  --> src/lib.rs:3:5
Dec 17 22:11:17.100 INFO [stderr]   |
Dec 17 22:11:17.100 INFO [stderr] 3 | use std::io::prelude::*;
Dec 17 22:11:17.101 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 22:11:17.101 INFO [stderr] 
Dec 17 22:11:17.304 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 22:11:17.304 INFO [stderr]  --> src/lib.rs:2:5
Dec 17 22:11:17.304 INFO [stderr]   |
Dec 17 22:11:17.304 INFO [stderr] 2 | use std::fs::File;
Dec 17 22:11:17.304 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 22:11:17.304 INFO [stderr]   |
Dec 17 22:11:17.304 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:11:17.304 INFO [stderr] 
Dec 17 22:11:17.304 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 17 22:11:17.304 INFO [stderr]  --> src/lib.rs:3:5
Dec 17 22:11:17.304 INFO [stderr]   |
Dec 17 22:11:17.304 INFO [stderr] 3 | use std::io::prelude::*;
Dec 17 22:11:17.304 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 22:11:17.304 INFO [stderr] 
Dec 17 22:11:17.590 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 17 22:11:18.443 INFO running `"docker" "inspect" "c2aa6e734f18e84ed0c35f0fcbdcda72899c3cbb78d9e6c608600ba96489908d"`
Dec 17 22:11:18.694 INFO running `"docker" "rm" "-f" "c2aa6e734f18e84ed0c35f0fcbdcda72899c3cbb78d9e6c608600ba96489908d"`
Dec 17 22:11:19.032 INFO [stdout] c2aa6e734f18e84ed0c35f0fcbdcda72899c3cbb78d9e6c608600ba96489908d