Dec 04 21:46:29.935 INFO checking bjorn3/serviceworkify against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:46:29.935 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 21:46:30.120 INFO [stdout] 6377fb9acc06c84892bb8ac04be20084202fbc6596066494ce17409e4e1ce02d
Dec 04 21:46:30.129 INFO running `"docker" "start" "-a" "6377fb9acc06c84892bb8ac04be20084202fbc6596066494ce17409e4e1ce02d"`
Dec 04 21:46:30.642 INFO [stderr] usermod: no changes
Dec 04 21:46:30.799 INFO [stderr]     Checking convenience v0.1.0
Dec 04 21:46:31.243 INFO [stderr]     Checking serviceworkify v0.1.0 (/source)
Dec 04 21:46:33.127 INFO [stderr] warning: variable does not need to be mutable
Dec 04 21:46:33.127 INFO [stderr]   --> src/main.rs:27:32
Dec 04 21:46:33.127 INFO [stderr]    |
Dec 04 21:46:33.127 INFO [stderr] 27 | fn handler(mut s_req: Request, mut s_res: Response) {
Dec 04 21:46:33.127 INFO [stderr]    |                                ----^^^^^
Dec 04 21:46:33.127 INFO [stderr]    |                                |
Dec 04 21:46:33.127 INFO [stderr]    |                                help: remove this `mut`
Dec 04 21:46:33.127 INFO [stderr]    |
Dec 04 21:46:33.127 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 21:46:33.127 INFO [stderr] 
Dec 04 21:46:33.207 INFO [stderr] warning: variable does not need to be mutable
Dec 04 21:46:33.207 INFO [stderr]   --> src/main.rs:27:32
Dec 04 21:46:33.207 INFO [stderr]    |
Dec 04 21:46:33.207 INFO [stderr] 27 | fn handler(mut s_req: Request, mut s_res: Response) {
Dec 04 21:46:33.207 INFO [stderr]    |                                ----^^^^^
Dec 04 21:46:33.207 INFO [stderr]    |                                |
Dec 04 21:46:33.207 INFO [stderr]    |                                help: remove this `mut`
Dec 04 21:46:33.207 INFO [stderr]    |
Dec 04 21:46:33.207 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 21:46:33.207 INFO [stderr] 
Dec 04 21:46:33.286 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
Dec 04 21:46:33.295 INFO [stderr] su: No module specific data is present
Dec 04 21:46:33.711 INFO running `"docker" "inspect" "6377fb9acc06c84892bb8ac04be20084202fbc6596066494ce17409e4e1ce02d"`
Dec 04 21:46:33.831 INFO running `"docker" "rm" "-f" "6377fb9acc06c84892bb8ac04be20084202fbc6596066494ce17409e4e1ce02d"`
Dec 04 21:46:34.023 INFO [stdout] 6377fb9acc06c84892bb8ac04be20084202fbc6596066494ce17409e4e1ce02d