Dec 15 13:49:10.384 INFO testing genio-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 13:49:10.384 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 13:49:10.853 INFO [stdout] 05e6f566cbc16c4132c72f0195cac05f045028d59de2052052a7aa09106a4214
Dec 15 13:49:10.855 INFO running `"docker" "start" "-a" "05e6f566cbc16c4132c72f0195cac05f045028d59de2052052a7aa09106a4214"`
Dec 15 13:49:11.926 INFO [stderr] usermod: no changes
Dec 15 13:49:12.003 INFO [stderr]    Compiling genio v0.1.0 (/source)
Dec 15 13:49:12.622 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:49:12.623 INFO [stderr]   --> src/util/repeat_bytes.rs:13:24
Dec 15 13:49:12.623 INFO [stderr]    |
Dec 15 13:49:12.623 INFO [stderr] 13 |     fn read(&mut self, mut buf: &mut [u8]) -> Result<usize, Self::ReadError> {
Dec 15 13:49:12.623 INFO [stderr]    |                        ----^^^
Dec 15 13:49:12.623 INFO [stderr]    |                        |
Dec 15 13:49:12.623 INFO [stderr]    |                        help: remove this `mut`
Dec 15 13:49:12.623 INFO [stderr]    |
Dec 15 13:49:12.623 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 13:49:12.623 INFO [stderr] 
Dec 15 13:49:12.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 15 13:49:12.880 INFO [stderr] su: No module specific data is present
Dec 15 13:49:13.449 INFO running `"docker" "inspect" "05e6f566cbc16c4132c72f0195cac05f045028d59de2052052a7aa09106a4214"`
Dec 15 13:49:13.682 INFO running `"docker" "rm" "-f" "05e6f566cbc16c4132c72f0195cac05f045028d59de2052052a7aa09106a4214"`
Dec 15 13:49:13.915 INFO [stdout] 05e6f566cbc16c4132c72f0195cac05f045028d59de2052052a7aa09106a4214
Dec 15 13:49:13.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 15 13:49:14.312 INFO [stdout] a729d91722b588c50926ad34ba6ade3b3c667da6caf6684a839abade0ccd35f2
Dec 15 13:49:14.315 INFO running `"docker" "start" "-a" "a729d91722b588c50926ad34ba6ade3b3c667da6caf6684a839abade0ccd35f2"`
Dec 15 13:49:15.339 INFO [stderr] usermod: no changes
Dec 15 13:49:15.421 INFO [stderr]    Compiling genio v0.1.0 (/source)
Dec 15 13:49:16.130 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:49:16.131 INFO [stderr]   --> src/util/repeat_bytes.rs:13:24
Dec 15 13:49:16.131 INFO [stderr]    |
Dec 15 13:49:16.131 INFO [stderr] 13 |     fn read(&mut self, mut buf: &mut [u8]) -> Result<usize, Self::ReadError> {
Dec 15 13:49:16.131 INFO [stderr]    |                        ----^^^
Dec 15 13:49:16.131 INFO [stderr]    |                        |
Dec 15 13:49:16.131 INFO [stderr]    |                        help: remove this `mut`
Dec 15 13:49:16.131 INFO [stderr]    |
Dec 15 13:49:16.131 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 13:49:16.131 INFO [stderr] 
Dec 15 13:49:16.507 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 15 13:49:16.509 INFO [stderr] su: No module specific data is present
Dec 15 13:49:17.063 INFO running `"docker" "inspect" "a729d91722b588c50926ad34ba6ade3b3c667da6caf6684a839abade0ccd35f2"`
Dec 15 13:49:17.297 INFO running `"docker" "rm" "-f" "a729d91722b588c50926ad34ba6ade3b3c667da6caf6684a839abade0ccd35f2"`
Dec 15 13:49:17.658 INFO [stdout] a729d91722b588c50926ad34ba6ade3b3c667da6caf6684a839abade0ccd35f2
Dec 15 13:49:17.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 15 13:49:18.039 INFO [stdout] 2400eb90352246ecb408e14505f3b426addbf4f1b0801e895a35f4f0c268aff4
Dec 15 13:49:18.041 INFO running `"docker" "start" "-a" "2400eb90352246ecb408e14505f3b426addbf4f1b0801e895a35f4f0c268aff4"`
Dec 15 13:49:19.186 INFO [stderr] usermod: no changes
Dec 15 13:49:19.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 13:49:19.247 INFO [stderr]      Running /target/debug/deps/genio-498661232198051e
Dec 15 13:49:19.252 INFO [stderr]    Doc-tests genio
Dec 15 13:49:19.252 INFO [stdout] 
Dec 15 13:49:19.252 INFO [stdout] running 0 tests
Dec 15 13:49:19.252 INFO [stdout] 
Dec 15 13:49:19.252 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 13:49:19.253 INFO [stdout] 
Dec 15 13:49:20.015 INFO [stdout] 
Dec 15 13:49:20.015 INFO [stdout] running 0 tests
Dec 15 13:49:20.015 INFO [stdout] 
Dec 15 13:49:20.015 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 13:49:20.015 INFO [stdout] 
Dec 15 13:49:20.015 INFO [stderr] su: No module specific data is present
Dec 15 13:49:20.563 INFO running `"docker" "inspect" "2400eb90352246ecb408e14505f3b426addbf4f1b0801e895a35f4f0c268aff4"`
Dec 15 13:49:20.836 INFO running `"docker" "rm" "-f" "2400eb90352246ecb408e14505f3b426addbf4f1b0801e895a35f4f0c268aff4"`
Dec 15 13:49:21.195 INFO [stdout] 2400eb90352246ecb408e14505f3b426addbf4f1b0801e895a35f4f0c268aff4