Dec 04 19:15:23.859 INFO checking elpiel/rust-grep against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:15:23.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 19:15:24.179 INFO [stdout] b09479003497dbcb2a28813b1c218ad8382b706d6fadf702168bdd92d39c17c7
Dec 04 19:15:24.181 INFO running `"docker" "start" "-a" "b09479003497dbcb2a28813b1c218ad8382b706d6fadf702168bdd92d39c17c7"`
Dec 04 19:15:25.035 INFO [stderr] usermod: no changes
Dec 04 19:15:25.156 INFO [stderr]     Checking grep v0.1.0 (/source)
Dec 04 19:15:25.911 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 19:15:25.911 INFO [stderr]  --> src/main.rs:1:1
Dec 04 19:15:25.911 INFO [stderr]   |
Dec 04 19:15:25.911 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 04 19:15:25.911 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 19:15:25.911 INFO [stderr]   |
Dec 04 19:15:25.911 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:15:25.911 INFO [stderr] 
Dec 04 19:15:25.955 INFO [stderr] warning: unused variable: `colorful_output`
Dec 04 19:15:25.955 INFO [stderr]   --> src/main.rs:11:9
Dec 04 19:15:25.955 INFO [stderr]    |
Dec 04 19:15:25.955 INFO [stderr] 11 |     let colorful_output = true;
Dec 04 19:15:25.955 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 04 19:15:25.955 INFO [stderr]    |
Dec 04 19:15:25.955 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:15:25.955 INFO [stderr] 
Dec 04 19:15:26.003 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 19:15:26.003 INFO [stderr]  --> src/main.rs:1:1
Dec 04 19:15:26.003 INFO [stderr]   |
Dec 04 19:15:26.004 INFO [stderr] 1 | #[macro_use] extern crate lazy_static;
Dec 04 19:15:26.004 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 19:15:26.004 INFO [stderr]   |
Dec 04 19:15:26.005 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:15:26.005 INFO [stderr] 
Dec 04 19:15:26.049 INFO [stderr] warning: unused variable: `colorful_output`
Dec 04 19:15:26.049 INFO [stderr]   --> src/main.rs:11:9
Dec 04 19:15:26.049 INFO [stderr]    |
Dec 04 19:15:26.049 INFO [stderr] 11 |     let colorful_output = true;
Dec 04 19:15:26.049 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_colorful_output` instead
Dec 04 19:15:26.049 INFO [stderr]    |
Dec 04 19:15:26.049 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:15:26.049 INFO [stderr] 
Dec 04 19:15:26.069 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 04 19:15:26.074 INFO [stderr] su: No module specific data is present
Dec 04 19:15:26.457 INFO running `"docker" "inspect" "b09479003497dbcb2a28813b1c218ad8382b706d6fadf702168bdd92d39c17c7"`
Dec 04 19:15:26.573 INFO running `"docker" "rm" "-f" "b09479003497dbcb2a28813b1c218ad8382b706d6fadf702168bdd92d39c17c7"`
Dec 04 19:15:26.697 INFO [stdout] b09479003497dbcb2a28813b1c218ad8382b706d6fadf702168bdd92d39c17c7