[INFO] updating cached repository FreeMasen/semi_finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FreeMasen/semi_finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/semi_finder" "work/ex/beta-1.38-1/sources/1.37.0/gh/FreeMasen/semi_finder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FreeMasen/semi_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/semi_finder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FreeMasen/semi_finder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FreeMasen/semi_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cced23980e6d1ff790358a8851a6f9c099951e79
[INFO] sha for GitHub repo FreeMasen/semi_finder: cced23980e6d1ff790358a8851a6f9c099951e79
[INFO] validating manifest of FreeMasen/semi_finder 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 FreeMasen/semi_finder 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 FreeMasen/semi_finder
[INFO] finished frobbing FreeMasen/semi_finder
[INFO] frobbed toml for FreeMasen/semi_finder written to work/ex/beta-1.38-1/sources/1.37.0/gh/FreeMasen/semi_finder/Cargo.toml
[INFO] started frobbing FreeMasen/semi_finder
[INFO] finished frobbing FreeMasen/semi_finder
[INFO] frobbed toml for FreeMasen/semi_finder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FreeMasen/semi_finder/Cargo.toml
[INFO] crate FreeMasen/semi_finder already has a lockfile, it will not be regenerated
[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 FreeMasen/semi_finder 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/gh/FreeMasen/semi_finder:/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] 2519ca4afb0b84abc02351aadd7716485511ba0f6320b0e9bccf8c5a00dca444
[INFO] running `"docker" "start" "-a" "2519ca4afb0b84abc02351aadd7716485511ba0f6320b0e9bccf8c5a00dca444"`
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling combine v3.5.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling ress v0.4.1
[INFO] [stderr]    Compiling semi_finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.47s
[INFO] running `"docker" "inspect" "2519ca4afb0b84abc02351aadd7716485511ba0f6320b0e9bccf8c5a00dca444"`
[INFO] running `"docker" "rm" "-f" "2519ca4afb0b84abc02351aadd7716485511ba0f6320b0e9bccf8c5a00dca444"`
[INFO] [stdout] 2519ca4afb0b84abc02351aadd7716485511ba0f6320b0e9bccf8c5a00dca444
[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/gh/FreeMasen/semi_finder:/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] d3af1581d3b88014cd5a3e540f2d5bf4e88d231a9c31693c0565d5ea68317a60
[INFO] running `"docker" "start" "-a" "d3af1581d3b88014cd5a3e540f2d5bf4e88d231a9c31693c0565d5ea68317a60"`
[INFO] [stderr]    Compiling semi_finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "d3af1581d3b88014cd5a3e540f2d5bf4e88d231a9c31693c0565d5ea68317a60"`
[INFO] running `"docker" "rm" "-f" "d3af1581d3b88014cd5a3e540f2d5bf4e88d231a9c31693c0565d5ea68317a60"`
[INFO] [stdout] d3af1581d3b88014cd5a3e540f2d5bf4e88d231a9c31693c0565d5ea68317a60
[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/gh/FreeMasen/semi_finder:/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] 5a5e43b653f1c8a0e085934adaf0a9af50484337261c64fb95c0d17cd3e4ba41
[INFO] running `"docker" "start" "-a" "5a5e43b653f1c8a0e085934adaf0a9af50484337261c64fb95c0d17cd3e4ba41"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/semi_finder-f9c3c6cd7e1b1b20
[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" "5a5e43b653f1c8a0e085934adaf0a9af50484337261c64fb95c0d17cd3e4ba41"`
[INFO] running `"docker" "rm" "-f" "5a5e43b653f1c8a0e085934adaf0a9af50484337261c64fb95c0d17cd3e4ba41"`
[INFO] [stdout] 5a5e43b653f1c8a0e085934adaf0a9af50484337261c64fb95c0d17cd3e4ba41