[INFO] updating cached repository johshoff/finn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/johshoff/finn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/johshoff/finn" "work/ex/beta-1.38-1/sources/1.37.0/gh/johshoff/finn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/johshoff/finn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johshoff/finn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johshoff/finn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johshoff/finn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0fe71ec6a53d2da94467e9777b5510c102f50d1
[INFO] sha for GitHub repo johshoff/finn: b0fe71ec6a53d2da94467e9777b5510c102f50d1
[INFO] validating manifest of johshoff/finn 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 johshoff/finn 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 johshoff/finn
[INFO] finished frobbing johshoff/finn
[INFO] frobbed toml for johshoff/finn written to work/ex/beta-1.38-1/sources/1.37.0/gh/johshoff/finn/Cargo.toml
[INFO] started frobbing johshoff/finn
[INFO] finished frobbing johshoff/finn
[INFO] frobbed toml for johshoff/finn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johshoff/finn/Cargo.toml
[INFO] crate johshoff/finn 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/johshoff/finn/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[INFO] the lockfile is outdated, regenerating it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] [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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing johshoff/finn 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-6/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/johshoff/finn:/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] 71c1fedcf3007812e4e83791d214cd3d45f4ad5560ee899dac56790d9fb445fd
[INFO] running `"docker" "start" "-a" "71c1fedcf3007812e4e83791d214cd3d45f4ad5560ee899dac56790d9fb445fd"`
[INFO] [stderr]    Compiling threadpool v0.1.4
[INFO] [stderr]    Compiling finn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "71c1fedcf3007812e4e83791d214cd3d45f4ad5560ee899dac56790d9fb445fd"`
[INFO] running `"docker" "rm" "-f" "71c1fedcf3007812e4e83791d214cd3d45f4ad5560ee899dac56790d9fb445fd"`
[INFO] [stdout] 71c1fedcf3007812e4e83791d214cd3d45f4ad5560ee899dac56790d9fb445fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/johshoff/finn:/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] 2e2d40a0ad3afcfd8edd386de7814d4c477803ca2ecd628fab43d9221d802051
[INFO] running `"docker" "start" "-a" "2e2d40a0ad3afcfd8edd386de7814d4c477803ca2ecd628fab43d9221d802051"`
[INFO] [stderr]    Compiling finn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "2e2d40a0ad3afcfd8edd386de7814d4c477803ca2ecd628fab43d9221d802051"`
[INFO] running `"docker" "rm" "-f" "2e2d40a0ad3afcfd8edd386de7814d4c477803ca2ecd628fab43d9221d802051"`
[INFO] [stdout] 2e2d40a0ad3afcfd8edd386de7814d4c477803ca2ecd628fab43d9221d802051
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/johshoff/finn:/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] 10b6c9dc90a7ea863abf6289723c8a0f43408e7c58a75c042786b6d5465bae06
[INFO] running `"docker" "start" "-a" "10b6c9dc90a7ea863abf6289723c8a0f43408e7c58a75c042786b6d5465bae06"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/finn-f2392e8b951b6fff
[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" "10b6c9dc90a7ea863abf6289723c8a0f43408e7c58a75c042786b6d5465bae06"`
[INFO] running `"docker" "rm" "-f" "10b6c9dc90a7ea863abf6289723c8a0f43408e7c58a75c042786b6d5465bae06"`
[INFO] [stdout] 10b6c9dc90a7ea863abf6289723c8a0f43408e7c58a75c042786b6d5465bae06