Dec 19 17:26:21.007 INFO checking elpiel/rust-grep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:26:21.007 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/elpiel/rust-grep:/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 17:26:21.557 INFO [stdout] a2c160e2f1bb7f4c894ebaa385de2bc18a59dbc2d3ecab364c0f3b2b69d8f655
Dec 19 17:26:21.559 INFO running `"docker" "start" "-a" "a2c160e2f1bb7f4c894ebaa385de2bc18a59dbc2d3ecab364c0f3b2b69d8f655"`
Dec 19 17:26:23.828 INFO [stderr]     Checking grep v0.1.0 (/opt/crater/workdir)
Dec 19 17:26:24.339 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:26:24.339 INFO [stderr]  --> src/main.rs:1:1
Dec 19 17:26:24.339 INFO [stderr]   |
Dec 19 17:26:24.339 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 19 17:26:24.339 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:26:24.339 INFO [stderr]   |
Dec 19 17:26:24.339 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:26:24.339 INFO [stderr] 
Dec 19 17:26:24.416 INFO [stderr] warning: unused variable: `colorful_output`
Dec 19 17:26:24.416 INFO [stderr]   --> src/main.rs:11:9
Dec 19 17:26:24.416 INFO [stderr]    |
Dec 19 17:26:24.416 INFO [stderr] 11 |     let colorful_output = true;
Dec 19 17:26:24.416 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 19 17:26:24.416 INFO [stderr]    |
Dec 19 17:26:24.416 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:26:24.416 INFO [stderr] 
Dec 19 17:26:24.432 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:26:24.432 INFO [stderr]  --> src/main.rs:1:1
Dec 19 17:26:24.433 INFO [stderr]   |
Dec 19 17:26:24.433 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 19 17:26:24.433 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:26:24.433 INFO [stderr]   |
Dec 19 17:26:24.434 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:26:24.434 INFO [stderr] 
Dec 19 17:26:24.498 INFO [stderr] warning: unused variable: `colorful_output`
Dec 19 17:26:24.498 INFO [stderr]   --> src/main.rs:11:9
Dec 19 17:26:24.498 INFO [stderr]    |
Dec 19 17:26:24.499 INFO [stderr] 11 |     let colorful_output = true;
Dec 19 17:26:24.499 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 19 17:26:24.499 INFO [stderr]    |
Dec 19 17:26:24.499 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:26:24.499 INFO [stderr] 
Dec 19 17:26:24.546 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 19 17:26:25.942 INFO running `"docker" "inspect" "a2c160e2f1bb7f4c894ebaa385de2bc18a59dbc2d3ecab364c0f3b2b69d8f655"`
Dec 19 17:26:26.282 INFO running `"docker" "rm" "-f" "a2c160e2f1bb7f4c894ebaa385de2bc18a59dbc2d3ecab364c0f3b2b69d8f655"`
Dec 19 17:26:26.579 INFO [stdout] a2c160e2f1bb7f4c894ebaa385de2bc18a59dbc2d3ecab364c0f3b2b69d8f655