Dec 05 13:26:16.262 INFO checking genio-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 13:26:16.263 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05 13:26:16.552 INFO [stdout] e8dc54b20112788b10be6f500063e1fc8fe301abb5f63a52121e998c35593a3d
Dec 05 13:26:16.557 INFO running `"docker" "start" "-a" "e8dc54b20112788b10be6f500063e1fc8fe301abb5f63a52121e998c35593a3d"`
Dec 05 13:26:17.644 INFO [stderr] usermod: no changes
Dec 05 13:26:17.723 INFO [stderr]     Checking genio v0.1.0 (/source)
Dec 05 13:26:18.679 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:26:18.679 INFO [stderr]   --> src/util/repeat_bytes.rs:13:24
Dec 05 13:26:18.679 INFO [stderr]    |
Dec 05 13:26:18.679 INFO [stderr] 13 |     fn read(&mut self, mut buf: &mut [u8]) -> Result<usize, Self::ReadError> {
Dec 05 13:26:18.679 INFO [stderr]    |                        ----^^^
Dec 05 13:26:18.679 INFO [stderr]    |                        |
Dec 05 13:26:18.679 INFO [stderr]    |                        help: remove this `mut`
Dec 05 13:26:18.679 INFO [stderr]    |
Dec 05 13:26:18.679 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 13:26:18.679 INFO [stderr] 
Dec 05 13:26:18.950 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:26:18.950 INFO [stderr]   --> src/util/repeat_bytes.rs:13:24
Dec 05 13:26:18.950 INFO [stderr]    |
Dec 05 13:26:18.950 INFO [stderr] 13 |     fn read(&mut self, mut buf: &mut [u8]) -> Result<usize, Self::ReadError> {
Dec 05 13:26:18.950 INFO [stderr]    |                        ----^^^
Dec 05 13:26:18.950 INFO [stderr]    |                        |
Dec 05 13:26:18.950 INFO [stderr]    |                        help: remove this `mut`
Dec 05 13:26:18.951 INFO [stderr]    |
Dec 05 13:26:18.951 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 13:26:18.951 INFO [stderr] 
Dec 05 13:26:18.992 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 05 13:26:18.995 INFO [stderr] su: No module specific data is present
Dec 05 13:26:20.066 INFO running `"docker" "inspect" "e8dc54b20112788b10be6f500063e1fc8fe301abb5f63a52121e998c35593a3d"`
Dec 05 13:26:20.221 INFO running `"docker" "rm" "-f" "e8dc54b20112788b10be6f500063e1fc8fe301abb5f63a52121e998c35593a3d"`
Dec 05 13:26:20.367 INFO [stdout] e8dc54b20112788b10be6f500063e1fc8fe301abb5f63a52121e998c35593a3d