Dec 14 17:44:36.879 INFO testing tac-0.2.3 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 17:44:36.879 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 17:44:37.047 INFO [stdout] 57c47aadbc69b77506f3c697cf35a3e46cbf5abeef554790871a1599dd84e196
Dec 14 17:44:37.049 INFO running `"docker" "start" "-a" "57c47aadbc69b77506f3c697cf35a3e46cbf5abeef554790871a1599dd84e196"`
Dec 14 17:44:37.506 INFO [stderr] usermod: no changes
Dec 14 17:44:37.542 INFO [stderr]    Compiling memmap v0.5.2
Dec 14 17:44:38.027 INFO [stderr]    Compiling tac v0.2.3 (/source)
Dec 14 17:44:38.502 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:44:38.502 INFO [stderr]   --> src/main.rs:64:16
Dec 14 17:44:38.502 INFO [stderr]    |
Dec 14 17:44:38.502 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Dec 14 17:44:38.502 INFO [stderr]    |                ----^^^^^^
Dec 14 17:44:38.502 INFO [stderr]    |                |
Dec 14 17:44:38.502 INFO [stderr]    |                help: remove this `mut`
Dec 14 17:44:38.502 INFO [stderr]    |
Dec 14 17:44:38.502 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 17:44:38.502 INFO [stderr] 
Dec 14 17:44:38.822 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 14 17:44:38.825 INFO [stderr] su: No module specific data is present
Dec 14 17:44:39.088 INFO running `"docker" "inspect" "57c47aadbc69b77506f3c697cf35a3e46cbf5abeef554790871a1599dd84e196"`
Dec 14 17:44:39.141 INFO running `"docker" "rm" "-f" "57c47aadbc69b77506f3c697cf35a3e46cbf5abeef554790871a1599dd84e196"`
Dec 14 17:44:39.206 INFO [stdout] 57c47aadbc69b77506f3c697cf35a3e46cbf5abeef554790871a1599dd84e196
Dec 14 17:44:39.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 17:44:39.338 INFO [stdout] 71f1251f3a1d601ca1487fdb011c044f3735bb968bb72c71c9b6411d5787d659
Dec 14 17:44:39.339 INFO running `"docker" "start" "-a" "71f1251f3a1d601ca1487fdb011c044f3735bb968bb72c71c9b6411d5787d659"`
Dec 14 17:44:39.604 INFO [stderr] usermod: no changes
Dec 14 17:44:39.651 INFO [stderr]    Compiling tac v0.2.3 (/source)
Dec 14 17:44:40.323 INFO [stderr] warning: variable does not need to be mutable
Dec 14 17:44:40.323 INFO [stderr]   --> src/main.rs:64:16
Dec 14 17:44:40.323 INFO [stderr]    |
Dec 14 17:44:40.323 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Dec 14 17:44:40.323 INFO [stderr]    |                ----^^^^^^
Dec 14 17:44:40.323 INFO [stderr]    |                |
Dec 14 17:44:40.323 INFO [stderr]    |                help: remove this `mut`
Dec 14 17:44:40.323 INFO [stderr]    |
Dec 14 17:44:40.323 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 17:44:40.323 INFO [stderr] 
Dec 14 17:44:40.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 14 17:44:40.531 INFO [stderr] su: No module specific data is present
Dec 14 17:44:40.760 INFO running `"docker" "inspect" "71f1251f3a1d601ca1487fdb011c044f3735bb968bb72c71c9b6411d5787d659"`
Dec 14 17:44:40.813 INFO running `"docker" "rm" "-f" "71f1251f3a1d601ca1487fdb011c044f3735bb968bb72c71c9b6411d5787d659"`
Dec 14 17:44:40.891 INFO [stdout] 71f1251f3a1d601ca1487fdb011c044f3735bb968bb72c71c9b6411d5787d659
Dec 14 17:44:40.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 17:44:41.027 INFO [stdout] 61d4cdf4ea94d5120c34eef83988a006b949dcd6505370d677020690a76b98f0
Dec 14 17:44:41.028 INFO running `"docker" "start" "-a" "61d4cdf4ea94d5120c34eef83988a006b949dcd6505370d677020690a76b98f0"`
Dec 14 17:44:41.302 INFO [stderr] usermod: no changes
Dec 14 17:44:41.332 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 17:44:41.333 INFO [stderr]      Running /target/debug/deps/tac-cf510ab44650aca1
Dec 14 17:44:41.334 INFO [stdout] 
Dec 14 17:44:41.334 INFO [stdout] running 0 tests
Dec 14 17:44:41.334 INFO [stdout] 
Dec 14 17:44:41.334 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 17:44:41.334 INFO [stdout] 
Dec 14 17:44:41.336 INFO [stderr] su: No module specific data is present
Dec 14 17:44:41.619 INFO running `"docker" "inspect" "61d4cdf4ea94d5120c34eef83988a006b949dcd6505370d677020690a76b98f0"`
Dec 14 17:44:41.693 INFO running `"docker" "rm" "-f" "61d4cdf4ea94d5120c34eef83988a006b949dcd6505370d677020690a76b98f0"`
Dec 14 17:44:41.767 INFO [stdout] 61d4cdf4ea94d5120c34eef83988a006b949dcd6505370d677020690a76b98f0