[INFO] crate group 0.1.0 is already in cache
[INFO] extracting crate group 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/group/0.1.0
[INFO] extracting crate group 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group/0.1.0
[INFO] validating manifest of group-0.1.0 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 group-0.1.0 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 group-0.1.0
[INFO] finished frobbing group-0.1.0
[INFO] frobbed toml for group-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/group/0.1.0/Cargo.toml
[INFO] started frobbing group-0.1.0
[INFO] finished frobbing group-0.1.0
[INFO] frobbed toml for group-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/group/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing group-0.1.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/group/0.1.0:/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] aabdd67daf79f9fc9b31e3b8a31046c43f913ed7cb58f8419a2d901f3109dec5
[INFO] running `"docker" "start" "-a" "aabdd67daf79f9fc9b31e3b8a31046c43f913ed7cb58f8419a2d901f3109dec5"`
[INFO] [stderr]    Compiling ff v0.4.0
[INFO] [stderr]    Compiling group v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "aabdd67daf79f9fc9b31e3b8a31046c43f913ed7cb58f8419a2d901f3109dec5"`
[INFO] running `"docker" "rm" "-f" "aabdd67daf79f9fc9b31e3b8a31046c43f913ed7cb58f8419a2d901f3109dec5"`
[INFO] [stdout] aabdd67daf79f9fc9b31e3b8a31046c43f913ed7cb58f8419a2d901f3109dec5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/group/0.1.0:/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] 840ce291fc072a1821c2f80a65eab30ea9205f8e712ca88f6592a30bcd742e3d
[INFO] running `"docker" "start" "-a" "840ce291fc072a1821c2f80a65eab30ea9205f8e712ca88f6592a30bcd742e3d"`
[INFO] [stderr]    Compiling group v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "840ce291fc072a1821c2f80a65eab30ea9205f8e712ca88f6592a30bcd742e3d"`
[INFO] running `"docker" "rm" "-f" "840ce291fc072a1821c2f80a65eab30ea9205f8e712ca88f6592a30bcd742e3d"`
[INFO] [stdout] 840ce291fc072a1821c2f80a65eab30ea9205f8e712ca88f6592a30bcd742e3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/group/0.1.0:/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] b68e9ed67450f2e26f7171ada80059cbcd89871fc189d2558aea53e55e9c4cad
[INFO] running `"docker" "start" "-a" "b68e9ed67450f2e26f7171ada80059cbcd89871fc189d2558aea53e55e9c4cad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/group-4eacdcd8b6e231dc
[INFO] [stderr]    Doc-tests group
[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] [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" "b68e9ed67450f2e26f7171ada80059cbcd89871fc189d2558aea53e55e9c4cad"`
[INFO] running `"docker" "rm" "-f" "b68e9ed67450f2e26f7171ada80059cbcd89871fc189d2558aea53e55e9c4cad"`
[INFO] [stdout] b68e9ed67450f2e26f7171ada80059cbcd89871fc189d2558aea53e55e9c4cad