[INFO] crate mutcell 0.0.0 is already in cache
[INFO] extracting crate mutcell 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mutcell/0.0.0
[INFO] extracting crate mutcell 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mutcell/0.0.0
[INFO] validating manifest of mutcell-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 mutcell-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 mutcell-0.0.0
[INFO] finished frobbing mutcell-0.0.0
[INFO] frobbed toml for mutcell-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mutcell/0.0.0/Cargo.toml
[INFO] started frobbing mutcell-0.0.0
[INFO] finished frobbing mutcell-0.0.0
[INFO] frobbed toml for mutcell-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mutcell/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mutcell-0.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mutcell/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 67386de2fac2d0e296b3b67e504d197438c221e4826bed653f78f31786723e60
[INFO] running `"docker" "start" "-a" "67386de2fac2d0e296b3b67e504d197438c221e4826bed653f78f31786723e60"`
[INFO] [stderr]    Compiling mutcell v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "67386de2fac2d0e296b3b67e504d197438c221e4826bed653f78f31786723e60"`
[INFO] running `"docker" "rm" "-f" "67386de2fac2d0e296b3b67e504d197438c221e4826bed653f78f31786723e60"`
[INFO] [stdout] 67386de2fac2d0e296b3b67e504d197438c221e4826bed653f78f31786723e60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mutcell/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0816e2f8064f07b0e63a9197052b22cef404a72baed6121f6ffd0010cda15916
[INFO] running `"docker" "start" "-a" "0816e2f8064f07b0e63a9197052b22cef404a72baed6121f6ffd0010cda15916"`
[INFO] [stderr]    Compiling mutcell v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "0816e2f8064f07b0e63a9197052b22cef404a72baed6121f6ffd0010cda15916"`
[INFO] running `"docker" "rm" "-f" "0816e2f8064f07b0e63a9197052b22cef404a72baed6121f6ffd0010cda15916"`
[INFO] [stdout] 0816e2f8064f07b0e63a9197052b22cef404a72baed6121f6ffd0010cda15916
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mutcell/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 047a9b07c3b45928e150d19c87694e81f3b862cf1c89ff8e6a800a7960b1d081
[INFO] running `"docker" "start" "-a" "047a9b07c3b45928e150d19c87694e81f3b862cf1c89ff8e6a800a7960b1d081"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mutcell-6745b2b36cd49b3e
[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 mutcell
[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" "047a9b07c3b45928e150d19c87694e81f3b862cf1c89ff8e6a800a7960b1d081"`
[INFO] running `"docker" "rm" "-f" "047a9b07c3b45928e150d19c87694e81f3b862cf1c89ff8e6a800a7960b1d081"`
[INFO] [stdout] 047a9b07c3b45928e150d19c87694e81f3b862cf1c89ff8e6a800a7960b1d081