Dec 06 20:53:32.411 INFO testing tac-0.2.3 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 20:53:32.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 20:53:32.543 INFO [stdout] fe530edfc3d7a9e0259c42e50473661751b1f98ae971e624c66c5cb4de8fbb9a
Dec 06 20:53:32.545 INFO running `"docker" "start" "-a" "fe530edfc3d7a9e0259c42e50473661751b1f98ae971e624c66c5cb4de8fbb9a"`
Dec 06 20:53:32.811 INFO [stderr] usermod: no changes
Dec 06 20:53:32.843 INFO [stderr]    Compiling uuid v0.4.0
Dec 06 20:53:33.547 INFO [stderr]    Compiling tac v0.2.3 (/source)
Dec 06 20:53:34.011 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:53:34.011 INFO [stderr]   --> src/main.rs:64:16
Dec 06 20:53:34.011 INFO [stderr]    |
Dec 06 20:53:34.011 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Dec 06 20:53:34.011 INFO [stderr]    |                ----^^^^^^
Dec 06 20:53:34.012 INFO [stderr]    |                |
Dec 06 20:53:34.012 INFO [stderr]    |                help: remove this `mut`
Dec 06 20:53:34.012 INFO [stderr]    |
Dec 06 20:53:34.012 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 20:53:34.012 INFO [stderr] 
Dec 06 20:53:34.335 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Dec 06 20:53:34.338 INFO [stderr] su: No module specific data is present
Dec 06 20:53:34.568 INFO running `"docker" "inspect" "fe530edfc3d7a9e0259c42e50473661751b1f98ae971e624c66c5cb4de8fbb9a"`
Dec 06 20:53:34.640 INFO running `"docker" "rm" "-f" "fe530edfc3d7a9e0259c42e50473661751b1f98ae971e624c66c5cb4de8fbb9a"`
Dec 06 20:53:34.707 INFO [stdout] fe530edfc3d7a9e0259c42e50473661751b1f98ae971e624c66c5cb4de8fbb9a
Dec 06 20:53:34.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 20:53:34.888 INFO [stdout] 161af3b80ae8c8910233d5b99d5696245340fff13fcb1f12473b283d04177677
Dec 06 20:53:34.890 INFO running `"docker" "start" "-a" "161af3b80ae8c8910233d5b99d5696245340fff13fcb1f12473b283d04177677"`
Dec 06 20:53:35.354 INFO [stderr] usermod: no changes
Dec 06 20:53:35.386 INFO [stderr]    Compiling tac v0.2.3 (/source)
Dec 06 20:53:35.903 INFO [stderr] warning: variable does not need to be mutable
Dec 06 20:53:35.903 INFO [stderr]   --> src/main.rs:64:16
Dec 06 20:53:35.903 INFO [stderr]    |
Dec 06 20:53:35.903 INFO [stderr] 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Dec 06 20:53:35.903 INFO [stderr]    |                ----^^^^^^
Dec 06 20:53:35.903 INFO [stderr]    |                |
Dec 06 20:53:35.903 INFO [stderr]    |                help: remove this `mut`
Dec 06 20:53:35.903 INFO [stderr]    |
Dec 06 20:53:35.903 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 20:53:35.903 INFO [stderr] 
Dec 06 20:53:36.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 06 20:53:36.090 INFO [stderr] su: No module specific data is present
Dec 06 20:53:36.336 INFO running `"docker" "inspect" "161af3b80ae8c8910233d5b99d5696245340fff13fcb1f12473b283d04177677"`
Dec 06 20:53:36.403 INFO running `"docker" "rm" "-f" "161af3b80ae8c8910233d5b99d5696245340fff13fcb1f12473b283d04177677"`
Dec 06 20:53:36.485 INFO [stdout] 161af3b80ae8c8910233d5b99d5696245340fff13fcb1f12473b283d04177677
Dec 06 20:53:36.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 20:53:36.648 INFO [stdout] 07b50cbbaea567e3b61c3369fe17745f90dbd682a98d1dcfeae82f615ea256a0
Dec 06 20:53:36.649 INFO running `"docker" "start" "-a" "07b50cbbaea567e3b61c3369fe17745f90dbd682a98d1dcfeae82f615ea256a0"`
Dec 06 20:53:37.240 INFO [stderr] usermod: no changes
Dec 06 20:53:37.289 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 20:53:37.301 INFO [stderr]      Running /target/debug/deps/tac-ffb07f9c201297d0
Dec 06 20:53:37.303 INFO [stdout] 
Dec 06 20:53:37.303 INFO [stdout] running 0 tests
Dec 06 20:53:37.303 INFO [stdout] 
Dec 06 20:53:37.303 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 20:53:37.303 INFO [stdout] 
Dec 06 20:53:37.305 INFO [stderr] su: No module specific data is present
Dec 06 20:53:37.657 INFO running `"docker" "inspect" "07b50cbbaea567e3b61c3369fe17745f90dbd682a98d1dcfeae82f615ea256a0"`
Dec 06 20:53:37.790 INFO running `"docker" "rm" "-f" "07b50cbbaea567e3b61c3369fe17745f90dbd682a98d1dcfeae82f615ea256a0"`
Dec 06 20:53:37.959 INFO [stdout] 07b50cbbaea567e3b61c3369fe17745f90dbd682a98d1dcfeae82f615ea256a0