[INFO] updating cached repository troeggla/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/troeggla/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/troeggla/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/troeggla/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/troeggla/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/troeggla/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troeggla/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troeggla/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17aa65f5ca9e9d9bd197d1daf61beb88a4ddb70f
[INFO] sha for GitHub repo troeggla/mandelbrot: 17aa65f5ca9e9d9bd197d1daf61beb88a4ddb70f
[INFO] validating manifest of troeggla/mandelbrot 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 troeggla/mandelbrot 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 troeggla/mandelbrot
[INFO] finished frobbing troeggla/mandelbrot
[INFO] frobbed toml for troeggla/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/troeggla/mandelbrot/Cargo.toml
[INFO] started frobbing troeggla/mandelbrot
[INFO] finished frobbing troeggla/mandelbrot
[INFO] frobbed toml for troeggla/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troeggla/mandelbrot/Cargo.toml
[INFO] crate troeggla/mandelbrot 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 troeggla/mandelbrot 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/troeggla/mandelbrot:/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] be6631956c01fde33e79d8a267de3b4f1d7ea948fcac081101521382eb09b1ee
[INFO] running `"docker" "start" "-a" "be6631956c01fde33e79d8a267de3b4f1d7ea948fcac081101521382eb09b1ee"`
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling mandelbrot v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.33s
[INFO] running `"docker" "inspect" "be6631956c01fde33e79d8a267de3b4f1d7ea948fcac081101521382eb09b1ee"`
[INFO] running `"docker" "rm" "-f" "be6631956c01fde33e79d8a267de3b4f1d7ea948fcac081101521382eb09b1ee"`
[INFO] [stdout] be6631956c01fde33e79d8a267de3b4f1d7ea948fcac081101521382eb09b1ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/troeggla/mandelbrot:/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] 96b3c1a089582b80e72d73ee206085c25e82492ccb03c59547f9636c55c6d34f
[INFO] running `"docker" "start" "-a" "96b3c1a089582b80e72d73ee206085c25e82492ccb03c59547f9636c55c6d34f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mandelbrot v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "96b3c1a089582b80e72d73ee206085c25e82492ccb03c59547f9636c55c6d34f"`
[INFO] running `"docker" "rm" "-f" "96b3c1a089582b80e72d73ee206085c25e82492ccb03c59547f9636c55c6d34f"`
[INFO] [stdout] 96b3c1a089582b80e72d73ee206085c25e82492ccb03c59547f9636c55c6d34f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/troeggla/mandelbrot:/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] d0b240000423e2f3c5fecc1fa9f4fd99ffa1f3cfdece23ddec65e74da4c93e6e
[INFO] running `"docker" "start" "-a" "d0b240000423e2f3c5fecc1fa9f4fd99ffa1f3cfdece23ddec65e74da4c93e6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-349ab8519cb02a79
[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" "d0b240000423e2f3c5fecc1fa9f4fd99ffa1f3cfdece23ddec65e74da4c93e6e"`
[INFO] running `"docker" "rm" "-f" "d0b240000423e2f3c5fecc1fa9f4fd99ffa1f3cfdece23ddec65e74da4c93e6e"`
[INFO] [stdout] d0b240000423e2f3c5fecc1fa9f4fd99ffa1f3cfdece23ddec65e74da4c93e6e