Dec 14 07:59:39.974 INFO testing Mcat12/backtrack against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:59:39.974 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:59:40.144 INFO [stdout] e0916a0fb15ea37f9ccf15ff804ceebaeadbc197db0afd3d5e6231a960b1d38e
Dec 14 07:59:40.148 INFO running `"docker" "start" "-a" "e0916a0fb15ea37f9ccf15ff804ceebaeadbc197db0afd3d5e6231a960b1d38e"`
Dec 14 07:59:40.607 INFO [stderr] usermod: no changes
Dec 14 07:59:40.715 INFO [stderr]    Compiling backtrack v0.1.0 (/source)
Dec 14 07:59:42.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Dec 14 07:59:42.639 INFO [stderr] su: No module specific data is present
Dec 14 07:59:43.037 INFO running `"docker" "inspect" "e0916a0fb15ea37f9ccf15ff804ceebaeadbc197db0afd3d5e6231a960b1d38e"`
Dec 14 07:59:43.227 INFO running `"docker" "rm" "-f" "e0916a0fb15ea37f9ccf15ff804ceebaeadbc197db0afd3d5e6231a960b1d38e"`
Dec 14 07:59:43.583 INFO [stdout] e0916a0fb15ea37f9ccf15ff804ceebaeadbc197db0afd3d5e6231a960b1d38e
Dec 14 07:59:43.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:59:43.908 INFO [stdout] 93ab8a977d51539c0eb55a72ae93d3ffa5696ba4e1ecc1c462b163d397e2cf88
Dec 14 07:59:43.910 INFO running `"docker" "start" "-a" "93ab8a977d51539c0eb55a72ae93d3ffa5696ba4e1ecc1c462b163d397e2cf88"`
Dec 14 07:59:44.564 INFO [stderr] usermod: no changes
Dec 14 07:59:44.795 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 14 07:59:44.799 INFO [stderr]    Compiling csv-core v0.1.4
Dec 14 07:59:44.807 INFO [stderr]    Compiling criterion-stats v0.2.5
Dec 14 07:59:44.807 INFO [stderr]    Compiling serde_derive v1.0.81
Dec 14 07:59:44.817 INFO [stderr]    Compiling simplelog v0.5.3
Dec 14 07:59:44.891 INFO [stderr]    Compiling handlebars v0.32.4
Dec 14 07:59:46.267 INFO [stderr]    Compiling backtrace v0.3.9
Dec 14 07:59:49.107 INFO [stderr]    Compiling csv v1.0.2
Dec 14 07:59:51.140 INFO [stderr]    Compiling failure v0.1.3
Dec 14 08:00:11.007 INFO [stderr]    Compiling criterion v0.2.5
Dec 14 08:00:25.283 INFO [stderr]    Compiling backtrack v0.1.0 (/source)
Dec 14 08:00:27.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.14s
Dec 14 08:00:27.740 INFO [stderr] su: No module specific data is present
Dec 14 08:00:29.432 INFO running `"docker" "inspect" "93ab8a977d51539c0eb55a72ae93d3ffa5696ba4e1ecc1c462b163d397e2cf88"`
Dec 14 08:00:29.711 INFO running `"docker" "rm" "-f" "93ab8a977d51539c0eb55a72ae93d3ffa5696ba4e1ecc1c462b163d397e2cf88"`
Dec 14 08:00:30.100 INFO [stdout] 93ab8a977d51539c0eb55a72ae93d3ffa5696ba4e1ecc1c462b163d397e2cf88
Dec 14 08:00:30.107 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 08:00:30.631 INFO [stdout] 47ff6794b5b43a971435af7ad01f046d2ca4604aeda41a1a7132345af8ca9fb1
Dec 14 08:00:30.633 INFO running `"docker" "start" "-a" "47ff6794b5b43a971435af7ad01f046d2ca4604aeda41a1a7132345af8ca9fb1"`
Dec 14 08:00:33.227 INFO [stderr] usermod: no changes
Dec 14 08:00:33.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
Dec 14 08:00:33.505 INFO [stderr]      Running /target/debug/deps/backtrack-ec8cac3138cf6bec
Dec 14 08:00:33.517 INFO [stdout] 
Dec 14 08:00:33.517 INFO [stdout] running 1 test
Dec 14 08:00:33.523 INFO [stdout] test queen::tests::is_valid ... ok
Dec 14 08:00:33.523 INFO [stdout] 
Dec 14 08:00:33.523 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:00:33.523 INFO [stdout] 
Dec 14 08:00:33.527 INFO [stderr]      Running /target/debug/deps/8queens-76ac728d2acd1148
Dec 14 08:00:33.529 INFO [stdout] 
Dec 14 08:00:33.529 INFO [stdout] running 0 tests
Dec 14 08:00:33.529 INFO [stdout] 
Dec 14 08:00:33.529 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:00:33.529 INFO [stdout] 
Dec 14 08:00:33.529 INFO [stderr]      Running /target/debug/deps/trunk_pack-5549a8190528dbf1
Dec 14 08:00:33.536 INFO [stdout] 
Dec 14 08:00:33.536 INFO [stdout] running 0 tests
Dec 14 08:00:33.536 INFO [stdout] 
Dec 14 08:00:33.536 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:00:33.536 INFO [stdout] 
Dec 14 08:00:33.543 INFO [stderr]    Doc-tests backtrack
Dec 14 08:00:34.503 INFO [stdout] 
Dec 14 08:00:34.503 INFO [stdout] running 0 tests
Dec 14 08:00:34.503 INFO [stdout] 
Dec 14 08:00:34.503 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:00:34.503 INFO [stdout] 
Dec 14 08:00:34.515 INFO [stderr] su: No module specific data is present
Dec 14 08:00:35.592 INFO running `"docker" "inspect" "47ff6794b5b43a971435af7ad01f046d2ca4604aeda41a1a7132345af8ca9fb1"`
Dec 14 08:00:35.925 INFO running `"docker" "rm" "-f" "47ff6794b5b43a971435af7ad01f046d2ca4604aeda41a1a7132345af8ca9fb1"`
Dec 14 08:00:36.172 INFO [stdout] 47ff6794b5b43a971435af7ad01f046d2ca4604aeda41a1a7132345af8ca9fb1