[INFO] cloning repository callumobrien-bluefruit/png2l4
[INFO] running `"git" "clone" "--bare" "git://github.com/callumobrien-bluefruit/png2l4.git" "work/cache/sources/gh/callumobrien-bluefruit/png2l4"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/callumobrien-bluefruit/png2l4'...
[INFO] running `"git" "clone" "work/cache/sources/gh/callumobrien-bluefruit/png2l4" "work/ex/beta-1.37-6/sources/1.36.0/gh/callumobrien-bluefruit/png2l4"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/callumobrien-bluefruit/png2l4'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/callumobrien-bluefruit/png2l4" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/callumobrien-bluefruit/png2l4"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/callumobrien-bluefruit/png2l4'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 844b4621e0d3f06bebe23fe10da81cd58cdd8f29
[INFO] sha for GitHub repo callumobrien-bluefruit/png2l4: 844b4621e0d3f06bebe23fe10da81cd58cdd8f29
[INFO] validating manifest of callumobrien-bluefruit/png2l4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of callumobrien-bluefruit/png2l4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing callumobrien-bluefruit/png2l4
[INFO] finished frobbing callumobrien-bluefruit/png2l4
[INFO] frobbed toml for callumobrien-bluefruit/png2l4 written to work/ex/beta-1.37-6/sources/1.36.0/gh/callumobrien-bluefruit/png2l4/Cargo.toml
[INFO] started frobbing callumobrien-bluefruit/png2l4
[INFO] finished frobbing callumobrien-bluefruit/png2l4
[INFO] frobbed toml for callumobrien-bluefruit/png2l4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/callumobrien-bluefruit/png2l4/Cargo.toml
[INFO] crate callumobrien-bluefruit/png2l4 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing callumobrien-bluefruit/png2l4 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/callumobrien-bluefruit/png2l4:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 64b1356a84a4d735c29386ea70c2735422e6cbd667fdb4f76978ab9f8b6dc05f
[INFO] running `"docker" "start" "-a" "64b1356a84a4d735c29386ea70c2735422e6cbd667fdb4f76978ab9f8b6dc05f"`
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling png2l4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "64b1356a84a4d735c29386ea70c2735422e6cbd667fdb4f76978ab9f8b6dc05f"`
[INFO] running `"docker" "rm" "-f" "64b1356a84a4d735c29386ea70c2735422e6cbd667fdb4f76978ab9f8b6dc05f"`
[INFO] [stdout] 64b1356a84a4d735c29386ea70c2735422e6cbd667fdb4f76978ab9f8b6dc05f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/callumobrien-bluefruit/png2l4:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d0117f61aaee5a9815d85f44e13a5aa1b43608a7ba460eb79a31e331d417410
[INFO] running `"docker" "start" "-a" "9d0117f61aaee5a9815d85f44e13a5aa1b43608a7ba460eb79a31e331d417410"`
[INFO] [stderr]    Compiling png2l4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "9d0117f61aaee5a9815d85f44e13a5aa1b43608a7ba460eb79a31e331d417410"`
[INFO] running `"docker" "rm" "-f" "9d0117f61aaee5a9815d85f44e13a5aa1b43608a7ba460eb79a31e331d417410"`
[INFO] [stdout] 9d0117f61aaee5a9815d85f44e13a5aa1b43608a7ba460eb79a31e331d417410
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/callumobrien-bluefruit/png2l4:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c15dbdfa6e1c6eef8c5c967e3b07efc6e912b77525c78255bf6c88a1af1282f1
[INFO] running `"docker" "start" "-a" "c15dbdfa6e1c6eef8c5c967e3b07efc6e912b77525c78255bf6c88a1af1282f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/png2l4-4bf631d5eafb13fb
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/png2l4-be3338312de1f2ed
[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] [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] [stderr]    Doc-tests png2l4
[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" "c15dbdfa6e1c6eef8c5c967e3b07efc6e912b77525c78255bf6c88a1af1282f1"`
[INFO] running `"docker" "rm" "-f" "c15dbdfa6e1c6eef8c5c967e3b07efc6e912b77525c78255bf6c88a1af1282f1"`
[INFO] [stdout] c15dbdfa6e1c6eef8c5c967e3b07efc6e912b77525c78255bf6c88a1af1282f1