[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 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cba0f42482d6b71e7e45eb0db6f9ddd0b5a18624026eb831afca006b862a1108
[INFO] running `"docker" "start" "-a" "cba0f42482d6b71e7e45eb0db6f9ddd0b5a18624026eb831afca006b862a1108"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safe_unwrap v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "cba0f42482d6b71e7e45eb0db6f9ddd0b5a18624026eb831afca006b862a1108"`
[INFO] running `"docker" "rm" "-f" "cba0f42482d6b71e7e45eb0db6f9ddd0b5a18624026eb831afca006b862a1108"`
[INFO] [stdout] cba0f42482d6b71e7e45eb0db6f9ddd0b5a18624026eb831afca006b862a1108
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1540a006da4179933a00164a3dffa60c3f221157e1bed152649b42c717d6054
[INFO] running `"docker" "start" "-a" "f1540a006da4179933a00164a3dffa60c3f221157e1bed152649b42c717d6054"`
[INFO] [stderr]    Compiling safe_unwrap v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "f1540a006da4179933a00164a3dffa60c3f221157e1bed152649b42c717d6054"`
[INFO] running `"docker" "rm" "-f" "f1540a006da4179933a00164a3dffa60c3f221157e1bed152649b42c717d6054"`
[INFO] [stdout] f1540a006da4179933a00164a3dffa60c3f221157e1bed152649b42c717d6054
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c537ee532e76cb112f58c2d6e8c5171dd2ac25bf57eb6cf5994cecbf631b56b8
[INFO] running `"docker" "start" "-a" "c537ee532e76cb112f58c2d6e8c5171dd2ac25bf57eb6cf5994cecbf631b56b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/safe_unwrap-f4131a7d40e1364c
[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] [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] [stderr]    Doc-tests safe_unwrap
[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" "c537ee532e76cb112f58c2d6e8c5171dd2ac25bf57eb6cf5994cecbf631b56b8"`
[INFO] running `"docker" "rm" "-f" "c537ee532e76cb112f58c2d6e8c5171dd2ac25bf57eb6cf5994cecbf631b56b8"`
[INFO] [stdout] c537ee532e76cb112f58c2d6e8c5171dd2ac25bf57eb6cf5994cecbf631b56b8