[INFO] crate hostname 0.1.5 is already in cache
[INFO] extracting crate hostname 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/hostname/0.1.5
[INFO] extracting crate hostname 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hostname/0.1.5
[INFO] validating manifest of hostname-0.1.5 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 hostname-0.1.5 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 hostname-0.1.5
[INFO] finished frobbing hostname-0.1.5
[INFO] frobbed toml for hostname-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hostname/0.1.5/Cargo.toml
[INFO] started frobbing hostname-0.1.5
[INFO] finished frobbing hostname-0.1.5
[INFO] frobbed toml for hostname-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hostname/0.1.5/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 hostname-0.1.5 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hostname/0.1.5:/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] d89209576cc64268f91e737003836fecd3e23168e63a60c6ac7c0fc8fd0164c3
[INFO] running `"docker" "start" "-a" "d89209576cc64268f91e737003836fecd3e23168e63a60c6ac7c0fc8fd0164c3"`
[INFO] [stderr]    Compiling hostname v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "d89209576cc64268f91e737003836fecd3e23168e63a60c6ac7c0fc8fd0164c3"`
[INFO] running `"docker" "rm" "-f" "d89209576cc64268f91e737003836fecd3e23168e63a60c6ac7c0fc8fd0164c3"`
[INFO] [stdout] d89209576cc64268f91e737003836fecd3e23168e63a60c6ac7c0fc8fd0164c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hostname/0.1.5:/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] 21d587348e3937d07ce3e722aadf187f959b60a4c0c7ac3cba0a2446022f1155
[INFO] running `"docker" "start" "-a" "21d587348e3937d07ce3e722aadf187f959b60a4c0c7ac3cba0a2446022f1155"`
[INFO] [stderr]    Compiling hostname v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "21d587348e3937d07ce3e722aadf187f959b60a4c0c7ac3cba0a2446022f1155"`
[INFO] running `"docker" "rm" "-f" "21d587348e3937d07ce3e722aadf187f959b60a4c0c7ac3cba0a2446022f1155"`
[INFO] [stdout] 21d587348e3937d07ce3e722aadf187f959b60a4c0c7ac3cba0a2446022f1155
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hostname/0.1.5:/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] dc83ce5303b569a1d296eaadef5e8eade647c695c7cc29aee4b5bbf5fab9669a
[INFO] running `"docker" "start" "-a" "dc83ce5303b569a1d296eaadef5e8eade647c695c7cc29aee4b5bbf5fab9669a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hostname-21dabe195977c595
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_get_hostname ... 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 hostname
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc83ce5303b569a1d296eaadef5e8eade647c695c7cc29aee4b5bbf5fab9669a"`
[INFO] running `"docker" "rm" "-f" "dc83ce5303b569a1d296eaadef5e8eade647c695c7cc29aee4b5bbf5fab9669a"`
[INFO] [stdout] dc83ce5303b569a1d296eaadef5e8eade647c695c7cc29aee4b5bbf5fab9669a