Dec 18 00:47:17.805 INFO checking elpiel/rust-grep against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:47:17.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:47:18.248 INFO [stdout] 9173673af8ff4cc4276de02a2a30181525a13656d9539a51dbd8e0b101e2b554
Dec 18 00:47:18.253 INFO running `"docker" "start" "-a" "9173673af8ff4cc4276de02a2a30181525a13656d9539a51dbd8e0b101e2b554"`
Dec 18 00:47:20.124 INFO [stderr]     Checking grep v0.1.0 (/opt/crater/workdir)
Dec 18 00:47:20.542 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 00:47:20.542 INFO [stderr]  --> src/main.rs:1:1
Dec 18 00:47:20.542 INFO [stderr]   |
Dec 18 00:47:20.542 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 18 00:47:20.542 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 00:47:20.542 INFO [stderr]   |
Dec 18 00:47:20.542 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:47:20.542 INFO [stderr] 
Dec 18 00:47:20.665 INFO [stderr] warning: unused variable: `colorful_output`
Dec 18 00:47:20.665 INFO [stderr]   --> src/main.rs:11:9
Dec 18 00:47:20.665 INFO [stderr]    |
Dec 18 00:47:20.666 INFO [stderr] 11 |     let colorful_output = true;
Dec 18 00:47:20.666 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 18 00:47:20.666 INFO [stderr]    |
Dec 18 00:47:20.666 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:47:20.666 INFO [stderr] 
Dec 18 00:47:20.748 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 00:47:20.748 INFO [stderr]  --> src/main.rs:1:1
Dec 18 00:47:20.748 INFO [stderr]   |
Dec 18 00:47:20.748 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 18 00:47:20.748 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 00:47:20.748 INFO [stderr]   |
Dec 18 00:47:20.748 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:47:20.748 INFO [stderr] 
Dec 18 00:47:20.831 INFO [stderr] warning: unused variable: `colorful_output`
Dec 18 00:47:20.831 INFO [stderr]   --> src/main.rs:11:9
Dec 18 00:47:20.831 INFO [stderr]    |
Dec 18 00:47:20.831 INFO [stderr] 11 |     let colorful_output = true;
Dec 18 00:47:20.831 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 18 00:47:20.831 INFO [stderr]    |
Dec 18 00:47:20.831 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:47:20.831 INFO [stderr] 
Dec 18 00:47:20.875 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 18 00:47:22.289 INFO running `"docker" "inspect" "9173673af8ff4cc4276de02a2a30181525a13656d9539a51dbd8e0b101e2b554"`
Dec 18 00:47:22.592 INFO running `"docker" "rm" "-f" "9173673af8ff4cc4276de02a2a30181525a13656d9539a51dbd8e0b101e2b554"`
Dec 18 00:47:22.864 INFO [stdout] 9173673af8ff4cc4276de02a2a30181525a13656d9539a51dbd8e0b101e2b554