[INFO] updating cached repository drojf/PNGHeaderScanner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drojf/PNGHeaderScanner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drojf/PNGHeaderScanner" "work/ex/beta-1.38-1/sources/1.37.0/gh/drojf/PNGHeaderScanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drojf/PNGHeaderScanner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drojf/PNGHeaderScanner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drojf/PNGHeaderScanner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drojf/PNGHeaderScanner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b6d02eb540f7d9508e2d124ed363d9a5cb7aec9
[INFO] sha for GitHub repo drojf/PNGHeaderScanner: 7b6d02eb540f7d9508e2d124ed363d9a5cb7aec9
[INFO] validating manifest of drojf/PNGHeaderScanner 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 drojf/PNGHeaderScanner 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 drojf/PNGHeaderScanner
[INFO] finished frobbing drojf/PNGHeaderScanner
[INFO] frobbed toml for drojf/PNGHeaderScanner written to work/ex/beta-1.38-1/sources/1.37.0/gh/drojf/PNGHeaderScanner/Cargo.toml
[INFO] started frobbing drojf/PNGHeaderScanner
[INFO] finished frobbing drojf/PNGHeaderScanner
[INFO] frobbed toml for drojf/PNGHeaderScanner written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drojf/PNGHeaderScanner/Cargo.toml
[INFO] crate drojf/PNGHeaderScanner 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 drojf/PNGHeaderScanner 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-5/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/drojf/PNGHeaderScanner:/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] aafd96d3a9508e5764330a485b8721ab35bb08e797c86bafb241e83a4964c821
[INFO] running `"docker" "start" "-a" "aafd96d3a9508e5764330a485b8721ab35bb08e797c86bafb241e83a4964c821"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling wild v2.0.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling cloudflare-zlib-sys v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling zopfli v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling cloudflare-zlib v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling oxipng v2.2.2 (https://github.com/drojf/oxipng#a78ae0d1)
[INFO] [stderr]    Compiling png_header_scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `"docker" "inspect" "aafd96d3a9508e5764330a485b8721ab35bb08e797c86bafb241e83a4964c821"`
[INFO] running `"docker" "rm" "-f" "aafd96d3a9508e5764330a485b8721ab35bb08e797c86bafb241e83a4964c821"`
[INFO] [stdout] aafd96d3a9508e5764330a485b8721ab35bb08e797c86bafb241e83a4964c821
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/drojf/PNGHeaderScanner:/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] 2392d715a7d9198ede067ae211ff9f7a13a5054951e687d0647e005b3c82cce4
[INFO] running `"docker" "start" "-a" "2392d715a7d9198ede067ae211ff9f7a13a5054951e687d0647e005b3c82cce4"`
[INFO] [stderr]    Compiling png_header_scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "2392d715a7d9198ede067ae211ff9f7a13a5054951e687d0647e005b3c82cce4"`
[INFO] running `"docker" "rm" "-f" "2392d715a7d9198ede067ae211ff9f7a13a5054951e687d0647e005b3c82cce4"`
[INFO] [stdout] 2392d715a7d9198ede067ae211ff9f7a13a5054951e687d0647e005b3c82cce4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/drojf/PNGHeaderScanner:/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] d9156c49ac5faa7279cf749fc7ad71b6a1d0e99801a21448417e7afd960fd483
[INFO] running `"docker" "start" "-a" "d9156c49ac5faa7279cf749fc7ad71b6a1d0e99801a21448417e7afd960fd483"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/png_header_scanner-e8eb68ac43500f4b
[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" "d9156c49ac5faa7279cf749fc7ad71b6a1d0e99801a21448417e7afd960fd483"`
[INFO] running `"docker" "rm" "-f" "d9156c49ac5faa7279cf749fc7ad71b6a1d0e99801a21448417e7afd960fd483"`
[INFO] [stdout] d9156c49ac5faa7279cf749fc7ad71b6a1d0e99801a21448417e7afd960fd483