[INFO] updating cached repository armadillojoe/PNGPuzzle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/armadillojoe/PNGPuzzle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/armadillojoe/PNGPuzzle" "work/ex/beta-1.38-1/sources/1.37.0/gh/armadillojoe/PNGPuzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/armadillojoe/PNGPuzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/armadillojoe/PNGPuzzle" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/armadillojoe/PNGPuzzle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/armadillojoe/PNGPuzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cd010b284bba87149932397c5ba14e141ac4268
[INFO] sha for GitHub repo armadillojoe/PNGPuzzle: 6cd010b284bba87149932397c5ba14e141ac4268
[INFO] validating manifest of armadillojoe/PNGPuzzle 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 armadillojoe/PNGPuzzle 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 armadillojoe/PNGPuzzle
[INFO] finished frobbing armadillojoe/PNGPuzzle
[INFO] frobbed toml for armadillojoe/PNGPuzzle written to work/ex/beta-1.38-1/sources/1.37.0/gh/armadillojoe/PNGPuzzle/Cargo.toml
[INFO] started frobbing armadillojoe/PNGPuzzle
[INFO] finished frobbing armadillojoe/PNGPuzzle
[INFO] frobbed toml for armadillojoe/PNGPuzzle written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/armadillojoe/PNGPuzzle/Cargo.toml
[INFO] crate armadillojoe/PNGPuzzle 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/armadillojoe/PNGPuzzle/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[INFO] the lockfile is outdated, regenerating it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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing armadillojoe/PNGPuzzle 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/armadillojoe/PNGPuzzle:/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] 9356494c7ee204b8630a06d0c4642e976373d75a7f9026d8ba8086650e5173c0
[INFO] running `"docker" "start" "-a" "9356494c7ee204b8630a06d0c4642e976373d75a7f9026d8ba8086650e5173c0"`
[INFO] [stderr]    Compiling pngpuzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "9356494c7ee204b8630a06d0c4642e976373d75a7f9026d8ba8086650e5173c0"`
[INFO] running `"docker" "rm" "-f" "9356494c7ee204b8630a06d0c4642e976373d75a7f9026d8ba8086650e5173c0"`
[INFO] [stdout] 9356494c7ee204b8630a06d0c4642e976373d75a7f9026d8ba8086650e5173c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/armadillojoe/PNGPuzzle:/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] c6be66044ad4b3cdcacb981db8e4a6d4634a3260aa8385fc67b00083e3408c1a
[INFO] running `"docker" "start" "-a" "c6be66044ad4b3cdcacb981db8e4a6d4634a3260aa8385fc67b00083e3408c1a"`
[INFO] [stderr]    Compiling pngpuzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "c6be66044ad4b3cdcacb981db8e4a6d4634a3260aa8385fc67b00083e3408c1a"`
[INFO] running `"docker" "rm" "-f" "c6be66044ad4b3cdcacb981db8e4a6d4634a3260aa8385fc67b00083e3408c1a"`
[INFO] [stdout] c6be66044ad4b3cdcacb981db8e4a6d4634a3260aa8385fc67b00083e3408c1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/armadillojoe/PNGPuzzle:/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] 62d018af3b3da5c1cac777951df841f07c6a5c712e8dfbbb9926e75d5142ccf6
[INFO] running `"docker" "start" "-a" "62d018af3b3da5c1cac777951df841f07c6a5c712e8dfbbb9926e75d5142ccf6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pngpuzzle-d4a066e10112bc85
[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" "62d018af3b3da5c1cac777951df841f07c6a5c712e8dfbbb9926e75d5142ccf6"`
[INFO] running `"docker" "rm" "-f" "62d018af3b3da5c1cac777951df841f07c6a5c712e8dfbbb9926e75d5142ccf6"`
[INFO] [stdout] 62d018af3b3da5c1cac777951df841f07c6a5c712e8dfbbb9926e75d5142ccf6