Dec 15 21:45:55.932 INFO testing backtracking_iterator-0.4.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 21:45:55.932 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:45:56.473 INFO [stdout] 2e90bab7f66219e7e2528c056df052336244afb01076199d06fe57b627918ce6
Dec 15 21:45:56.475 INFO running `"docker" "start" "-a" "2e90bab7f66219e7e2528c056df052336244afb01076199d06fe57b627918ce6"`
Dec 15 21:45:58.366 INFO [stderr] usermod: no changes
Dec 15 21:45:58.419 INFO [stderr]    Compiling backtracking_iterator v0.4.0 (/source)
Dec 15 21:45:59.370 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 15 21:45:59.370 INFO [stderr] su: No module specific data is present
Dec 15 21:46:00.064 INFO running `"docker" "inspect" "2e90bab7f66219e7e2528c056df052336244afb01076199d06fe57b627918ce6"`
Dec 15 21:46:00.336 INFO running `"docker" "rm" "-f" "2e90bab7f66219e7e2528c056df052336244afb01076199d06fe57b627918ce6"`
Dec 15 21:46:00.663 INFO [stdout] 2e90bab7f66219e7e2528c056df052336244afb01076199d06fe57b627918ce6
Dec 15 21:46:00.666 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:46:01.188 INFO [stdout] 55b99b5618c23da5bc4d0c5ae019b7f8185bef19a1330eb7e81c9b9143dded45
Dec 15 21:46:01.191 INFO running `"docker" "start" "-a" "55b99b5618c23da5bc4d0c5ae019b7f8185bef19a1330eb7e81c9b9143dded45"`
Dec 15 21:46:03.079 INFO [stderr] usermod: no changes
Dec 15 21:46:03.159 INFO [stderr]    Compiling backtracking_iterator v0.4.0 (/source)
Dec 15 21:46:04.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Dec 15 21:46:04.755 INFO [stderr] su: No module specific data is present
Dec 15 21:46:05.364 INFO running `"docker" "inspect" "55b99b5618c23da5bc4d0c5ae019b7f8185bef19a1330eb7e81c9b9143dded45"`
Dec 15 21:46:05.741 INFO running `"docker" "rm" "-f" "55b99b5618c23da5bc4d0c5ae019b7f8185bef19a1330eb7e81c9b9143dded45"`
Dec 15 21:46:05.995 INFO [stdout] 55b99b5618c23da5bc4d0c5ae019b7f8185bef19a1330eb7e81c9b9143dded45
Dec 15 21:46:06.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:46:06.593 INFO [stdout] 8c912bd37c6c21a20a28d0c59ea403675d4b24ac337b49eda89e531bfb109340
Dec 15 21:46:06.595 INFO running `"docker" "start" "-a" "8c912bd37c6c21a20a28d0c59ea403675d4b24ac337b49eda89e531bfb109340"`
Dec 15 21:46:09.299 INFO [stderr] usermod: no changes
Dec 15 21:46:09.363 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 21:46:09.367 INFO [stderr]      Running /target/debug/deps/backtracking_iterator-1c37cd82b9a8c253
Dec 15 21:46:09.367 INFO [stdout] 
Dec 15 21:46:09.367 INFO [stdout] running 2 tests
Dec 15 21:46:09.375 INFO [stdout] test tests::basic_test ... ok
Dec 15 21:46:09.378 INFO [stdout] test tests::backwalk_test ... ok
Dec 15 21:46:09.378 INFO [stdout] 
Dec 15 21:46:09.378 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:46:09.378 INFO [stdout] 
Dec 15 21:46:09.378 INFO [stderr]    Doc-tests backtracking_iterator
Dec 15 21:46:10.488 INFO [stdout] 
Dec 15 21:46:10.488 INFO [stdout] running 4 tests
Dec 15 21:46:14.507 INFO [stdout] test src/traits.rs - traits::Record::forget (line 36) ... ok
Dec 15 21:46:15.852 INFO [stdout] test src/traits.rs - traits::BacktrackingIterator::start_again (line 101) ... ok
Dec 15 21:46:15.859 INFO [stdout] test src/traits.rs - traits::Walkbackable::walk_back (line 132) ... ok
Dec 15 21:46:15.940 INFO [stdout] test src/traits.rs - traits::BacktrackingIterator::backtrack (line 77) ... ok
Dec 15 21:46:15.940 INFO [stdout] 
Dec 15 21:46:15.940 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:46:15.940 INFO [stdout] 
Dec 15 21:46:15.965 INFO [stderr] su: No module specific data is present
Dec 15 21:46:16.392 INFO running `"docker" "inspect" "8c912bd37c6c21a20a28d0c59ea403675d4b24ac337b49eda89e531bfb109340"`
Dec 15 21:46:16.623 INFO running `"docker" "rm" "-f" "8c912bd37c6c21a20a28d0c59ea403675d4b24ac337b49eda89e531bfb109340"`
Dec 15 21:46:16.919 INFO [stdout] 8c912bd37c6c21a20a28d0c59ea403675d4b24ac337b49eda89e531bfb109340