Dec 19 17:26:18.809 INFO checking elpiel/rust-grep against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:26:18.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:26:19.336 INFO [stdout] d86b200e8c1fec61d926c4bc30e02ccb843ac99780264f7d1e96aa3a382d0c62
Dec 19 17:26:19.338 INFO running `"docker" "start" "-a" "d86b200e8c1fec61d926c4bc30e02ccb843ac99780264f7d1e96aa3a382d0c62"`
Dec 19 17:26:21.557 INFO [stderr]     Checking grep v0.1.0 (/opt/crater/workdir)
Dec 19 17:26:22.168 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:26:22.168 INFO [stderr]  --> src/main.rs:1:1
Dec 19 17:26:22.168 INFO [stderr]   |
Dec 19 17:26:22.168 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 19 17:26:22.168 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:26:22.168 INFO [stderr]   |
Dec 19 17:26:22.168 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:26:22.168 INFO [stderr] 
Dec 19 17:26:22.240 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:26:22.240 INFO [stderr]  --> src/main.rs:1:1
Dec 19 17:26:22.240 INFO [stderr]   |
Dec 19 17:26:22.240 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 19 17:26:22.240 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:26:22.240 INFO [stderr]   |
Dec 19 17:26:22.241 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:26:22.241 INFO [stderr] 
Dec 19 17:26:22.296 INFO [stderr] warning: unused variable: `colorful_output`
Dec 19 17:26:22.296 INFO [stderr]   --> src/main.rs:11:9
Dec 19 17:26:22.296 INFO [stderr]    |
Dec 19 17:26:22.296 INFO [stderr] 11 |     let colorful_output = true;
Dec 19 17:26:22.296 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 19 17:26:22.296 INFO [stderr]    |
Dec 19 17:26:22.296 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:26:22.296 INFO [stderr] 
Dec 19 17:26:22.304 INFO [stderr] warning: unused variable: `colorful_output`
Dec 19 17:26:22.304 INFO [stderr]   --> src/main.rs:11:9
Dec 19 17:26:22.304 INFO [stderr]    |
Dec 19 17:26:22.304 INFO [stderr] 11 |     let colorful_output = true;
Dec 19 17:26:22.304 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 19 17:26:22.304 INFO [stderr]    |
Dec 19 17:26:22.304 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:26:22.304 INFO [stderr] 
Dec 19 17:26:22.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 19 17:26:23.638 INFO running `"docker" "inspect" "d86b200e8c1fec61d926c4bc30e02ccb843ac99780264f7d1e96aa3a382d0c62"`
Dec 19 17:26:23.876 INFO running `"docker" "rm" "-f" "d86b200e8c1fec61d926c4bc30e02ccb843ac99780264f7d1e96aa3a382d0c62"`
Dec 19 17:26:24.228 INFO [stdout] d86b200e8c1fec61d926c4bc30e02ccb843ac99780264f7d1e96aa3a382d0c62