[INFO] crate mut-cell 0.0.0 is already in cache
[INFO] extracting crate mut-cell 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mut-cell/0.0.0
[INFO] extracting crate mut-cell 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mut-cell/0.0.0
[INFO] validating manifest of mut-cell-0.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mut-cell-0.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mut-cell-0.0.0
[INFO] finished frobbing mut-cell-0.0.0
[INFO] frobbed toml for mut-cell-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mut-cell/0.0.0/Cargo.toml
[INFO] started frobbing mut-cell-0.0.0
[INFO] finished frobbing mut-cell-0.0.0
[INFO] frobbed toml for mut-cell-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mut-cell/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mut-cell-0.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mut-cell/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4ea328469329efafb06f6aa87cfbaf8b102939ba543fbf6e7fcfa27a54a593bb
[INFO] running `"docker" "start" "-a" "4ea328469329efafb06f6aa87cfbaf8b102939ba543fbf6e7fcfa27a54a593bb"`
[INFO] [stderr]    Compiling mut-cell v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `"docker" "inspect" "4ea328469329efafb06f6aa87cfbaf8b102939ba543fbf6e7fcfa27a54a593bb"`
[INFO] running `"docker" "rm" "-f" "4ea328469329efafb06f6aa87cfbaf8b102939ba543fbf6e7fcfa27a54a593bb"`
[INFO] [stdout] 4ea328469329efafb06f6aa87cfbaf8b102939ba543fbf6e7fcfa27a54a593bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mut-cell/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9da64fc948304de390969cf89761881f66e24e2ae7a6f043000c7ad1e4748c62
[INFO] running `"docker" "start" "-a" "9da64fc948304de390969cf89761881f66e24e2ae7a6f043000c7ad1e4748c62"`
[INFO] [stderr]    Compiling mut-cell v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "9da64fc948304de390969cf89761881f66e24e2ae7a6f043000c7ad1e4748c62"`
[INFO] running `"docker" "rm" "-f" "9da64fc948304de390969cf89761881f66e24e2ae7a6f043000c7ad1e4748c62"`
[INFO] [stdout] 9da64fc948304de390969cf89761881f66e24e2ae7a6f043000c7ad1e4748c62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mut-cell/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] eaaf1c7a47c5fb9b6cce11a5108181dfd45c8c37e4900ec2b92b777d211d5646
[INFO] running `"docker" "start" "-a" "eaaf1c7a47c5fb9b6cce11a5108181dfd45c8c37e4900ec2b92b777d211d5646"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mut_cell-3fbf8ad399a1aed7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mut-cell
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eaaf1c7a47c5fb9b6cce11a5108181dfd45c8c37e4900ec2b92b777d211d5646"`
[INFO] running `"docker" "rm" "-f" "eaaf1c7a47c5fb9b6cce11a5108181dfd45c8c37e4900ec2b92b777d211d5646"`
[INFO] [stdout] eaaf1c7a47c5fb9b6cce11a5108181dfd45c8c37e4900ec2b92b777d211d5646