Dec 12 07:44:56.241 INFO checking serde_ini-0.1.3 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:44:56.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 07:44:56.667 INFO [stdout] dafa761b3d0af78a839ea8d75bc1dceb95fef1df86936966f55735b0fcae5025
Dec 12 07:44:56.669 INFO running `"docker" "start" "-a" "dafa761b3d0af78a839ea8d75bc1dceb95fef1df86936966f55735b0fcae5025"`
Dec 12 07:44:58.740 INFO [stderr] usermod: no changes
Dec 12 07:44:58.797 INFO [stderr]     Checking result v1.0.0
Dec 12 07:44:59.414 INFO [stderr]     Checking serde_ini v0.1.3 (/source)
Dec 12 07:45:01.732 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:45:01.732 INFO [stderr]   --> tests/smoke.rs:73:9
Dec 12 07:45:01.732 INFO [stderr]    |
Dec 12 07:45:01.732 INFO [stderr] 73 |     let mut data = serde_ini::to_vec(&model).unwrap();
Dec 12 07:45:01.732 INFO [stderr]    |         ----^^^^
Dec 12 07:45:01.732 INFO [stderr]    |         |
Dec 12 07:45:01.732 INFO [stderr]    |         help: remove this `mut`
Dec 12 07:45:01.732 INFO [stderr]    |
Dec 12 07:45:01.732 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 07:45:01.732 INFO [stderr] 
Dec 12 07:45:01.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
Dec 12 07:45:01.759 INFO [stderr] su: No module specific data is present
Dec 12 07:45:02.316 INFO running `"docker" "inspect" "dafa761b3d0af78a839ea8d75bc1dceb95fef1df86936966f55735b0fcae5025"`
Dec 12 07:45:02.494 INFO running `"docker" "rm" "-f" "dafa761b3d0af78a839ea8d75bc1dceb95fef1df86936966f55735b0fcae5025"`
Dec 12 07:45:02.768 INFO [stdout] dafa761b3d0af78a839ea8d75bc1dceb95fef1df86936966f55735b0fcae5025