[INFO] crate safe_unwrap 0.4.1 is already in cache
[INFO] extracting crate safe_unwrap 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/safe_unwrap/0.4.1
[INFO] extracting crate safe_unwrap 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/safe_unwrap/0.4.1
[INFO] validating manifest of safe_unwrap-0.4.1 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 safe_unwrap-0.4.1 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 safe_unwrap-0.4.1
[INFO] finished frobbing safe_unwrap-0.4.1
[INFO] frobbed toml for safe_unwrap-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/safe_unwrap/0.4.1/Cargo.toml
[INFO] started frobbing safe_unwrap-0.4.1
[INFO] finished frobbing safe_unwrap-0.4.1
[INFO] frobbed toml for safe_unwrap-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/safe_unwrap/0.4.1/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] [stderr]     Blocking waiting for file lock on package cache
[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 safe_unwrap-0.4.1 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-2/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/safe_unwrap/0.4.1:/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] 74f0768b6c4ab2910fa1f042bf476eb512f3db5e1e5fc7d2c66495aa53855391
[INFO] running `"docker" "start" "-a" "74f0768b6c4ab2910fa1f042bf476eb512f3db5e1e5fc7d2c66495aa53855391"`
[INFO] [stderr]    Compiling safe_unwrap v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "74f0768b6c4ab2910fa1f042bf476eb512f3db5e1e5fc7d2c66495aa53855391"`
[INFO] running `"docker" "rm" "-f" "74f0768b6c4ab2910fa1f042bf476eb512f3db5e1e5fc7d2c66495aa53855391"`
[INFO] [stdout] 74f0768b6c4ab2910fa1f042bf476eb512f3db5e1e5fc7d2c66495aa53855391
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/safe_unwrap/0.4.1:/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] 49f6e5bd81e109babc9ac36c72e375351c8c563b26ebdc3f1828e33726d0d163
[INFO] running `"docker" "start" "-a" "49f6e5bd81e109babc9ac36c72e375351c8c563b26ebdc3f1828e33726d0d163"`
[INFO] [stderr]    Compiling safe_unwrap v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "49f6e5bd81e109babc9ac36c72e375351c8c563b26ebdc3f1828e33726d0d163"`
[INFO] running `"docker" "rm" "-f" "49f6e5bd81e109babc9ac36c72e375351c8c563b26ebdc3f1828e33726d0d163"`
[INFO] [stdout] 49f6e5bd81e109babc9ac36c72e375351c8c563b26ebdc3f1828e33726d0d163
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/safe_unwrap/0.4.1:/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] a79bf3d2cd433ef7a75de08355f51dec8d50e6a4b18bcfe0d03f22953523851a
[INFO] running `"docker" "start" "-a" "a79bf3d2cd433ef7a75de08355f51dec8d50e6a4b18bcfe0d03f22953523851a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/safe_unwrap-1cc887b4097eef31
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::works_when_ok ... ok
[INFO] [stdout] test tests::trait_works_when_ok ... ok
[INFO] [stdout] test tests::trait_doesnt_work_when_err ... ok
[INFO] [stderr]    Doc-tests safe_unwrap
[INFO] [stdout] test tests::doesnt_work_when_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a79bf3d2cd433ef7a75de08355f51dec8d50e6a4b18bcfe0d03f22953523851a"`
[INFO] running `"docker" "rm" "-f" "a79bf3d2cd433ef7a75de08355f51dec8d50e6a4b18bcfe0d03f22953523851a"`
[INFO] [stdout] a79bf3d2cd433ef7a75de08355f51dec8d50e6a4b18bcfe0d03f22953523851a