Dec 14 19:51:29.731 INFO testing sigchain-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 19:51:29.732 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 19:51:30.216 INFO [stdout] f590407afca4a71e4bd674cac1661ec24bca5d5425248aef9b8322054d3e07b8
Dec 14 19:51:30.218 INFO running `"docker" "start" "-a" "f590407afca4a71e4bd674cac1661ec24bca5d5425248aef9b8322054d3e07b8"`
Dec 14 19:51:32.039 INFO [stderr] usermod: no changes
Dec 14 19:51:32.099 INFO [stderr]    Compiling sigchain v0.1.0 (/source)
Dec 14 19:51:32.715 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 14 19:51:32.715 INFO [stderr] su: No module specific data is present
Dec 14 19:51:33.589 INFO running `"docker" "inspect" "f590407afca4a71e4bd674cac1661ec24bca5d5425248aef9b8322054d3e07b8"`
Dec 14 19:51:33.957 INFO running `"docker" "rm" "-f" "f590407afca4a71e4bd674cac1661ec24bca5d5425248aef9b8322054d3e07b8"`
Dec 14 19:51:34.385 INFO [stdout] f590407afca4a71e4bd674cac1661ec24bca5d5425248aef9b8322054d3e07b8
Dec 14 19:51:34.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 19:51:34.824 INFO [stdout] ae1e7fa7784db78eda2199818a3cca8c8456a54d34873b27a88f53606dbe93e8
Dec 14 19:51:34.831 INFO running `"docker" "start" "-a" "ae1e7fa7784db78eda2199818a3cca8c8456a54d34873b27a88f53606dbe93e8"`
Dec 14 19:51:36.355 INFO [stderr] usermod: no changes
Dec 14 19:51:36.411 INFO [stderr]    Compiling sigchain v0.1.0 (/source)
Dec 14 19:51:37.455 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 14 19:51:37.463 INFO [stderr] su: No module specific data is present
Dec 14 19:51:37.876 INFO running `"docker" "inspect" "ae1e7fa7784db78eda2199818a3cca8c8456a54d34873b27a88f53606dbe93e8"`
Dec 14 19:51:37.989 INFO running `"docker" "rm" "-f" "ae1e7fa7784db78eda2199818a3cca8c8456a54d34873b27a88f53606dbe93e8"`
Dec 14 19:51:38.110 INFO [stdout] ae1e7fa7784db78eda2199818a3cca8c8456a54d34873b27a88f53606dbe93e8
Dec 14 19:51:38.112 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 19:51:38.293 INFO [stdout] 77d1747ee3dafb275d64ef0b33cf439d85e42ae1dea313c6f7a92b7d59d71758
Dec 14 19:51:38.300 INFO running `"docker" "start" "-a" "77d1747ee3dafb275d64ef0b33cf439d85e42ae1dea313c6f7a92b7d59d71758"`
Dec 14 19:51:38.711 INFO [stderr] usermod: no changes
Dec 14 19:51:38.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 19:51:38.757 INFO [stderr]      Running /target/debug/deps/sigchain-f9e8c45582c863a5
Dec 14 19:51:38.757 INFO [stderr]    Doc-tests sigchain
Dec 14 19:51:38.757 INFO [stdout] 
Dec 14 19:51:38.757 INFO [stdout] running 1 test
Dec 14 19:51:38.757 INFO [stdout] test tests::it_works ... ok
Dec 14 19:51:38.757 INFO [stdout] 
Dec 14 19:51:38.757 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:51:38.757 INFO [stdout] 
Dec 14 19:51:39.615 INFO [stdout] 
Dec 14 19:51:39.615 INFO [stdout] running 0 tests
Dec 14 19:51:39.615 INFO [stdout] 
Dec 14 19:51:39.615 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:51:39.615 INFO [stdout] 
Dec 14 19:51:39.623 INFO [stderr] su: No module specific data is present
Dec 14 19:51:39.997 INFO running `"docker" "inspect" "77d1747ee3dafb275d64ef0b33cf439d85e42ae1dea313c6f7a92b7d59d71758"`
Dec 14 19:51:40.116 INFO running `"docker" "rm" "-f" "77d1747ee3dafb275d64ef0b33cf439d85e42ae1dea313c6f7a92b7d59d71758"`
Dec 14 19:51:40.224 INFO [stdout] 77d1747ee3dafb275d64ef0b33cf439d85e42ae1dea313c6f7a92b7d59d71758