Dec 04 19:15:23.796 INFO checking elpiel/rust-grep against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:15:23.797 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 19:15:24.103 INFO [stdout] 984c46fa4ead7a0363c09554912b5f6dcbecb3ea9bfe39a422cbef8faba36c65
Dec 04 19:15:24.109 INFO running `"docker" "start" "-a" "984c46fa4ead7a0363c09554912b5f6dcbecb3ea9bfe39a422cbef8faba36c65"`
Dec 04 19:15:24.643 INFO [stderr] usermod: no changes
Dec 04 19:15:24.747 INFO [stderr]     Checking grep v0.1.0 (/source)
Dec 04 19:15:25.584 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 19:15:25.584 INFO [stderr]  --> src/main.rs:1:1
Dec 04 19:15:25.584 INFO [stderr]   |
Dec 04 19:15:25.584 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 04 19:15:25.584 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 19:15:25.584 INFO [stderr]   |
Dec 04 19:15:25.584 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:15:25.585 INFO [stderr] 
Dec 04 19:15:25.659 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 19:15:25.659 INFO [stderr]  --> src/main.rs:1:1
Dec 04 19:15:25.659 INFO [stderr] warning: unused variable: `colorful_output`
Dec 04 19:15:25.660 INFO [stderr]   --> src/main.rs:11:9
Dec 04 19:15:25.660 INFO [stderr]    |
Dec 04 19:15:25.660 INFO [stderr] 11 |     let colorful_output = true;
Dec 04 19:15:25.660 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 04 19:15:25.660 INFO [stderr]    |
Dec 04 19:15:25.661 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:15:25.661 INFO [stderr] 
Dec 04 19:15:25.661 INFO [stderr]   |
Dec 04 19:15:25.661 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 04 19:15:25.662 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 19:15:25.662 INFO [stderr]   |
Dec 04 19:15:25.662 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:15:25.662 INFO [stderr] 
Dec 04 19:15:25.719 INFO [stderr] warning: unused variable: `colorful_output`
Dec 04 19:15:25.719 INFO [stderr]   --> src/main.rs:11:9
Dec 04 19:15:25.719 INFO [stderr]    |
Dec 04 19:15:25.719 INFO [stderr] 11 |     let colorful_output = true;
Dec 04 19:15:25.719 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 04 19:15:25.719 INFO [stderr]    |
Dec 04 19:15:25.719 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:15:25.719 INFO [stderr] 
Dec 04 19:15:25.742 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 04 19:15:25.747 INFO [stderr] su: No module specific data is present
Dec 04 19:15:26.108 INFO running `"docker" "inspect" "984c46fa4ead7a0363c09554912b5f6dcbecb3ea9bfe39a422cbef8faba36c65"`
Dec 04 19:15:26.284 INFO running `"docker" "rm" "-f" "984c46fa4ead7a0363c09554912b5f6dcbecb3ea9bfe39a422cbef8faba36c65"`
Dec 04 19:15:26.395 INFO [stdout] 984c46fa4ead7a0363c09554912b5f6dcbecb3ea9bfe39a422cbef8faba36c65