[INFO] updating cached repository philwantsfish/fractal-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/philwantsfish/fractal-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/philwantsfish/fractal-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/philwantsfish/fractal-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/philwantsfish/fractal-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/philwantsfish/fractal-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/philwantsfish/fractal-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/philwantsfish/fractal-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a4c78f0dc1c3fe3a0c843d720b394258431929a5
[INFO] sha for GitHub repo philwantsfish/fractal-rs: a4c78f0dc1c3fe3a0c843d720b394258431929a5
[INFO] validating manifest of philwantsfish/fractal-rs 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 philwantsfish/fractal-rs 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 philwantsfish/fractal-rs
[INFO] finished frobbing philwantsfish/fractal-rs
[INFO] frobbed toml for philwantsfish/fractal-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/philwantsfish/fractal-rs/Cargo.toml
[INFO] started frobbing philwantsfish/fractal-rs
[INFO] finished frobbing philwantsfish/fractal-rs
[INFO] frobbed toml for philwantsfish/fractal-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/philwantsfish/fractal-rs/Cargo.toml
[INFO] crate philwantsfish/fractal-rs 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 philwantsfish/fractal-rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/philwantsfish/fractal-rs:/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] 6d9f12d6b1354d90ebd0896ff34d5c0a1eb8de1f2864eb14daba240131b0276a
[INFO] running `"docker" "start" "-a" "6d9f12d6b1354d90ebd0896ff34d5c0a1eb8de1f2864eb14daba240131b0276a"`
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling inflate v0.3.3
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling line_drawing v0.6.0
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling sierpinski v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.27s
[INFO] running `"docker" "inspect" "6d9f12d6b1354d90ebd0896ff34d5c0a1eb8de1f2864eb14daba240131b0276a"`
[INFO] running `"docker" "rm" "-f" "6d9f12d6b1354d90ebd0896ff34d5c0a1eb8de1f2864eb14daba240131b0276a"`
[INFO] [stdout] 6d9f12d6b1354d90ebd0896ff34d5c0a1eb8de1f2864eb14daba240131b0276a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/philwantsfish/fractal-rs:/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] 2b547e25ed84f79d77b98712b8dd120816067dec05b937bb92b029273140ffd9
[INFO] running `"docker" "start" "-a" "2b547e25ed84f79d77b98712b8dd120816067dec05b937bb92b029273140ffd9"`
[INFO] [stderr]    Compiling sierpinski v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "2b547e25ed84f79d77b98712b8dd120816067dec05b937bb92b029273140ffd9"`
[INFO] running `"docker" "rm" "-f" "2b547e25ed84f79d77b98712b8dd120816067dec05b937bb92b029273140ffd9"`
[INFO] [stdout] 2b547e25ed84f79d77b98712b8dd120816067dec05b937bb92b029273140ffd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/philwantsfish/fractal-rs:/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] 1b6ca9b8325994030d84649532f9dae8fd971f29d59421bdc5712d093553a2f3
[INFO] running `"docker" "start" "-a" "1b6ca9b8325994030d84649532f9dae8fd971f29d59421bdc5712d093553a2f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sierpinski-da9e7f659f78209c
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sierpinski-f9fe112909d9e57b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sierpinski
[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] [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" "1b6ca9b8325994030d84649532f9dae8fd971f29d59421bdc5712d093553a2f3"`
[INFO] running `"docker" "rm" "-f" "1b6ca9b8325994030d84649532f9dae8fd971f29d59421bdc5712d093553a2f3"`
[INFO] [stdout] 1b6ca9b8325994030d84649532f9dae8fd971f29d59421bdc5712d093553a2f3