[INFO] crate check 0.1.0 is already in cache
[INFO] extracting crate check 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/check/0.1.0
[INFO] extracting crate check 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/check/0.1.0
[INFO] validating manifest of check-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 check-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 check-0.1.0
[INFO] finished frobbing check-0.1.0
[INFO] frobbed toml for check-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/check/0.1.0/Cargo.toml
[INFO] started frobbing check-0.1.0
[INFO] finished frobbing check-0.1.0
[INFO] frobbed toml for check-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/check/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing check-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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/check/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] 6fa5ff33d405a5fd2219978f3b80a78eb61837e5839d95ebb793d09068177d45
[INFO] running `"docker" "start" "-a" "6fa5ff33d405a5fd2219978f3b80a78eb61837e5839d95ebb793d09068177d45"`
[INFO] [stderr]    Compiling check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "6fa5ff33d405a5fd2219978f3b80a78eb61837e5839d95ebb793d09068177d45"`
[INFO] running `"docker" "rm" "-f" "6fa5ff33d405a5fd2219978f3b80a78eb61837e5839d95ebb793d09068177d45"`
[INFO] [stdout] 6fa5ff33d405a5fd2219978f3b80a78eb61837e5839d95ebb793d09068177d45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/check/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] 2d45e18304a96fece5c3832389b9104fec149fc16211082d1ca22d679879d656
[INFO] running `"docker" "start" "-a" "2d45e18304a96fece5c3832389b9104fec149fc16211082d1ca22d679879d656"`
[INFO] [stderr]    Compiling check v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "2d45e18304a96fece5c3832389b9104fec149fc16211082d1ca22d679879d656"`
[INFO] running `"docker" "rm" "-f" "2d45e18304a96fece5c3832389b9104fec149fc16211082d1ca22d679879d656"`
[INFO] [stdout] 2d45e18304a96fece5c3832389b9104fec149fc16211082d1ca22d679879d656
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/check/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] f4a1656e8c6987ecb6a9c0afb573b0e5d0551c5058f4693d4e58ec3acf5f6842
[INFO] running `"docker" "start" "-a" "f4a1656e8c6987ecb6a9c0afb573b0e5d0551c5058f4693d4e58ec3acf5f6842"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/check-cc93c4f4b02cf963
[INFO] [stderr]    Doc-tests check
[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] [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" "f4a1656e8c6987ecb6a9c0afb573b0e5d0551c5058f4693d4e58ec3acf5f6842"`
[INFO] running `"docker" "rm" "-f" "f4a1656e8c6987ecb6a9c0afb573b0e5d0551c5058f4693d4e58ec3acf5f6842"`
[INFO] [stdout] f4a1656e8c6987ecb6a9c0afb573b0e5d0551c5058f4693d4e58ec3acf5f6842