[INFO] updating cached repository jdfrens/fractals_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jdfrens/fractals_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jdfrens/fractals_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/jdfrens/fractals_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jdfrens/fractals_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jdfrens/fractals_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdfrens/fractals_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdfrens/fractals_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c50f08a64b873304e52b213b5a1d489d4533a52b
[INFO] sha for GitHub repo jdfrens/fractals_rust: c50f08a64b873304e52b213b5a1d489d4533a52b
[INFO] validating manifest of jdfrens/fractals_rust 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 jdfrens/fractals_rust 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 jdfrens/fractals_rust
[INFO] finished frobbing jdfrens/fractals_rust
[INFO] frobbed toml for jdfrens/fractals_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/jdfrens/fractals_rust/Cargo.toml
[INFO] started frobbing jdfrens/fractals_rust
[INFO] finished frobbing jdfrens/fractals_rust
[INFO] frobbed toml for jdfrens/fractals_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdfrens/fractals_rust/Cargo.toml
[INFO] crate jdfrens/fractals_rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jdfrens/fractals_rust 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jdfrens/fractals_rust:/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] d2004dbc18dafcc3cfd1d684170de3342dc53c28dc95384f6183b20bc2b98c9a
[INFO] running `"docker" "start" "-a" "d2004dbc18dafcc3cfd1d684170de3342dc53c28dc95384f6183b20bc2b98c9a"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling png v0.14.1
[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 fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.98s
[INFO] running `"docker" "inspect" "d2004dbc18dafcc3cfd1d684170de3342dc53c28dc95384f6183b20bc2b98c9a"`
[INFO] running `"docker" "rm" "-f" "d2004dbc18dafcc3cfd1d684170de3342dc53c28dc95384f6183b20bc2b98c9a"`
[INFO] [stdout] d2004dbc18dafcc3cfd1d684170de3342dc53c28dc95384f6183b20bc2b98c9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jdfrens/fractals_rust:/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] 555a4d609c3acaa022122d0cea114effa827d533f5eec6b018b6ca9953479f65
[INFO] running `"docker" "start" "-a" "555a4d609c3acaa022122d0cea114effa827d533f5eec6b018b6ca9953479f65"`
[INFO] [stderr]    Compiling fractals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `"docker" "inspect" "555a4d609c3acaa022122d0cea114effa827d533f5eec6b018b6ca9953479f65"`
[INFO] running `"docker" "rm" "-f" "555a4d609c3acaa022122d0cea114effa827d533f5eec6b018b6ca9953479f65"`
[INFO] [stdout] 555a4d609c3acaa022122d0cea114effa827d533f5eec6b018b6ca9953479f65
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jdfrens/fractals_rust:/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] 6f0fbf192e11630bce42578401722c9a882eb52c9d2ec6f07ffb8310cebbb257
[INFO] running `"docker" "start" "-a" "6f0fbf192e11630bce42578401722c9a882eb52c9d2ec6f07ffb8310cebbb257"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fractals-fb7fe9e85595bb93
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test fractals::escape_time::tests::test_iterate_inside ... ok
[INFO] [stdout] test fractals::escape_time::tests::test_iterate_outside ... ok
[INFO] [stdout] test fractals::image::tests::test_y_delta ... ok
[INFO] [stdout] test fractals::image::tests::test_view_height ... ok
[INFO] [stdout] test fractals::image::tests::test_view_width ... ok
[INFO] [stdout] test fractals::image::tests::test_top ... ok
[INFO] [stdout] test fractals::image::tests::test_left ... ok
[INFO] [stdout] test fractals::parser::tests::test_parse_complex ... ok
[INFO] [stdout] test fractals::parser::tests::test_parse_color_scheme ... ok
[INFO] [stdout] test fractals::image::tests::test_x_delta ... ok
[INFO] [stdout] test fractals::image::tests::test_complex_at ... ok
[INFO] [stdout] test fractals::parser::tests::test_parse_image_without_size ... ok
[INFO] [stdout] test fractals::parser::tests::test_parse_image ... ok
[INFO] [stdout] test fractals::parser::tests::test_parse_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f0fbf192e11630bce42578401722c9a882eb52c9d2ec6f07ffb8310cebbb257"`
[INFO] running `"docker" "rm" "-f" "6f0fbf192e11630bce42578401722c9a882eb52c9d2ec6f07ffb8310cebbb257"`
[INFO] [stdout] 6f0fbf192e11630bce42578401722c9a882eb52c9d2ec6f07ffb8310cebbb257