Dec 15 06:42:26.480 INFO testing ktrace-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 06:42:26.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15 06:42:27.008 INFO [stdout] ec6949ecf3a6d7f305a8255bd9a3d19347392278d0cc42f3b2b95f9866bdc543
Dec 15 06:42:27.010 INFO running `"docker" "start" "-a" "ec6949ecf3a6d7f305a8255bd9a3d19347392278d0cc42f3b2b95f9866bdc543"`
Dec 15 06:42:28.457 INFO [stderr] usermod: no changes
Dec 15 06:42:28.584 INFO [stderr]    Compiling ktrace v0.1.0 (/source)
Dec 15 06:42:29.743 INFO [stderr] warning: variable does not need to be mutable
Dec 15 06:42:29.743 INFO [stderr]   --> src/lib.rs:30:17
Dec 15 06:42:29.743 INFO [stderr]    |
Dec 15 06:42:29.743 INFO [stderr] 30 | pub fn parse<E>(mut r: &mut io::Read) -> Result<Vec<(Header,Result<Record>)>>
Dec 15 06:42:29.743 INFO [stderr]    |                 ----^
Dec 15 06:42:29.743 INFO [stderr]    |                 |
Dec 15 06:42:29.743 INFO [stderr]    |                 help: remove this `mut`
Dec 15 06:42:29.743 INFO [stderr]    |
Dec 15 06:42:29.743 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 06:42:29.743 INFO [stderr] 
Dec 15 06:42:33.447 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
Dec 15 06:42:33.453 INFO [stderr] su: No module specific data is present
Dec 15 06:42:34.557 INFO running `"docker" "inspect" "ec6949ecf3a6d7f305a8255bd9a3d19347392278d0cc42f3b2b95f9866bdc543"`
Dec 15 06:42:34.899 INFO running `"docker" "rm" "-f" "ec6949ecf3a6d7f305a8255bd9a3d19347392278d0cc42f3b2b95f9866bdc543"`
Dec 15 06:42:35.263 INFO [stdout] ec6949ecf3a6d7f305a8255bd9a3d19347392278d0cc42f3b2b95f9866bdc543
Dec 15 06:42:35.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15 06:42:35.771 INFO [stdout] 6d295aef2353a67b91a5580fd03ccea2578860f60ca9de87fecf4a7aeb414689
Dec 15 06:42:35.777 INFO running `"docker" "start" "-a" "6d295aef2353a67b91a5580fd03ccea2578860f60ca9de87fecf4a7aeb414689"`
Dec 15 06:42:37.566 INFO [stderr] usermod: no changes
Dec 15 06:42:37.663 INFO [stderr]    Compiling ktrace v0.1.0 (/source)
Dec 15 06:42:39.791 INFO [stderr] warning: variable does not need to be mutable
Dec 15 06:42:39.791 INFO [stderr]   --> src/lib.rs:30:17
Dec 15 06:42:39.791 INFO [stderr]    |
Dec 15 06:42:39.791 INFO [stderr] 30 | pub fn parse<E>(mut r: &mut io::Read) -> Result<Vec<(Header,Result<Record>)>>
Dec 15 06:42:39.791 INFO [stderr]    |                 ----^
Dec 15 06:42:39.791 INFO [stderr]    |                 |
Dec 15 06:42:39.791 INFO [stderr]    |                 help: remove this `mut`
Dec 15 06:42:39.791 INFO [stderr]    |
Dec 15 06:42:39.791 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 06:42:39.791 INFO [stderr] 
Dec 15 06:42:40.539 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
Dec 15 06:42:40.543 INFO [stderr] su: No module specific data is present
Dec 15 06:42:41.505 INFO running `"docker" "inspect" "6d295aef2353a67b91a5580fd03ccea2578860f60ca9de87fecf4a7aeb414689"`
Dec 15 06:42:41.789 INFO running `"docker" "rm" "-f" "6d295aef2353a67b91a5580fd03ccea2578860f60ca9de87fecf4a7aeb414689"`
Dec 15 06:42:41.999 INFO [stdout] 6d295aef2353a67b91a5580fd03ccea2578860f60ca9de87fecf4a7aeb414689
Dec 15 06:42:42.005 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15 06:42:42.476 INFO [stdout] 1f319d4b5c24d339a4f142f492cd83a7d31ce85a2723d7126ab6acaad4d6a700
Dec 15 06:42:42.483 INFO running `"docker" "start" "-a" "1f319d4b5c24d339a4f142f492cd83a7d31ce85a2723d7126ab6acaad4d6a700"`
Dec 15 06:42:43.946 INFO [stderr] usermod: no changes
Dec 15 06:42:44.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 15 06:42:44.067 INFO [stderr]      Running /target/debug/deps/ktrace-24c3f7e9f6df106f
Dec 15 06:42:44.071 INFO [stderr]      Running /target/debug/deps/main-d4fcf319d1dbcb12
Dec 15 06:42:44.071 INFO [stdout] 
Dec 15 06:42:44.071 INFO [stdout] running 0 tests
Dec 15 06:42:44.071 INFO [stdout] 
Dec 15 06:42:44.071 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 06:42:44.071 INFO [stdout] 
Dec 15 06:42:44.073 INFO [stdout] 
Dec 15 06:42:44.073 INFO [stdout] running 0 tests
Dec 15 06:42:44.073 INFO [stdout] 
Dec 15 06:42:44.073 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 06:42:44.073 INFO [stdout] 
Dec 15 06:42:44.079 INFO [stderr]    Doc-tests ktrace
Dec 15 06:42:45.622 INFO [stdout] 
Dec 15 06:42:45.622 INFO [stdout] running 0 tests
Dec 15 06:42:45.622 INFO [stdout] 
Dec 15 06:42:45.622 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 06:42:45.622 INFO [stdout] 
Dec 15 06:42:45.635 INFO [stderr] su: No module specific data is present
Dec 15 06:42:46.279 INFO running `"docker" "inspect" "1f319d4b5c24d339a4f142f492cd83a7d31ce85a2723d7126ab6acaad4d6a700"`
Dec 15 06:42:46.516 INFO running `"docker" "rm" "-f" "1f319d4b5c24d339a4f142f492cd83a7d31ce85a2723d7126ab6acaad4d6a700"`
Dec 15 06:42:46.875 INFO [stdout] 1f319d4b5c24d339a4f142f492cd83a7d31ce85a2723d7126ab6acaad4d6a700