[INFO] updating cached repository mdlayher/scanrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdlayher/scanrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdlayher/scanrs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mdlayher/scanrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mdlayher/scanrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdlayher/scanrs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdlayher/scanrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdlayher/scanrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1775f680ee71ced5dc9e16021b6ad1aed30d1962
[INFO] sha for GitHub repo mdlayher/scanrs: 1775f680ee71ced5dc9e16021b6ad1aed30d1962
[INFO] validating manifest of mdlayher/scanrs 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 mdlayher/scanrs 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 mdlayher/scanrs
[INFO] finished frobbing mdlayher/scanrs
[INFO] frobbed toml for mdlayher/scanrs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mdlayher/scanrs/Cargo.toml
[INFO] started frobbing mdlayher/scanrs
[INFO] finished frobbing mdlayher/scanrs
[INFO] frobbed toml for mdlayher/scanrs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdlayher/scanrs/Cargo.toml
[INFO] crate mdlayher/scanrs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdlayher/scanrs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 mdlayher/scanrs 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdlayher/scanrs:/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] dcb8b02dd511f9239415f447e784b110f85707f01a8248efe1245c7aab903834
[INFO] running `"docker" "start" "-a" "dcb8b02dd511f9239415f447e784b110f85707f01a8248efe1245c7aab903834"`
[INFO] [stderr]    Compiling scanrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "dcb8b02dd511f9239415f447e784b110f85707f01a8248efe1245c7aab903834"`
[INFO] running `"docker" "rm" "-f" "dcb8b02dd511f9239415f447e784b110f85707f01a8248efe1245c7aab903834"`
[INFO] [stdout] dcb8b02dd511f9239415f447e784b110f85707f01a8248efe1245c7aab903834
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdlayher/scanrs:/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] d5a2103abc74552e0e91b871dd1036f5263863eb94849d6bb4e5742e145c6d62
[INFO] running `"docker" "start" "-a" "d5a2103abc74552e0e91b871dd1036f5263863eb94849d6bb4e5742e145c6d62"`
[INFO] [stderr]    Compiling scanrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "d5a2103abc74552e0e91b871dd1036f5263863eb94849d6bb4e5742e145c6d62"`
[INFO] running `"docker" "rm" "-f" "d5a2103abc74552e0e91b871dd1036f5263863eb94849d6bb4e5742e145c6d62"`
[INFO] [stdout] d5a2103abc74552e0e91b871dd1036f5263863eb94849d6bb4e5742e145c6d62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdlayher/scanrs:/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] ce70c4e2f56aef787ec8735f24b0cfee059baf95f821fb424906e0300c4280ff
[INFO] running `"docker" "start" "-a" "ce70c4e2f56aef787ec8735f24b0cfee059baf95f821fb424906e0300c4280ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scanrs-2143b2dd627b55af
[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" "ce70c4e2f56aef787ec8735f24b0cfee059baf95f821fb424906e0300c4280ff"`
[INFO] running `"docker" "rm" "-f" "ce70c4e2f56aef787ec8735f24b0cfee059baf95f821fb424906e0300c4280ff"`
[INFO] [stdout] ce70c4e2f56aef787ec8735f24b0cfee059baf95f821fb424906e0300c4280ff