[INFO] updating cached repository amatho/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amatho/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/mandelbrot-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/amatho/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/amatho/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/mandelbrot-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amatho/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amatho/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 069ee70f50ed82d3c37c14199ecd2496bdc4bc3c
[INFO] sha for GitHub repo amatho/mandelbrot-rs: 069ee70f50ed82d3c37c14199ecd2496bdc4bc3c
[INFO] validating manifest of amatho/mandelbrot-rs 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 amatho/mandelbrot-rs 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 amatho/mandelbrot-rs
[INFO] finished frobbing amatho/mandelbrot-rs
[INFO] frobbed toml for amatho/mandelbrot-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/amatho/mandelbrot-rs/Cargo.toml
[INFO] started frobbing amatho/mandelbrot-rs
[INFO] finished frobbing amatho/mandelbrot-rs
[INFO] frobbed toml for amatho/mandelbrot-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amatho/mandelbrot-rs/Cargo.toml
[INFO] crate amatho/mandelbrot-rs 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing amatho/mandelbrot-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/amatho/mandelbrot-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] abebd1555fd0df8ff0a0ec56bc89510b6fda27e2105f5bdc5bb611ea4cb283ed
[INFO] running `"docker" "start" "-a" "abebd1555fd0df8ff0a0ec56bc89510b6fda27e2105f5bdc5bb611ea4cb283ed"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.80s
[INFO] running `"docker" "inspect" "abebd1555fd0df8ff0a0ec56bc89510b6fda27e2105f5bdc5bb611ea4cb283ed"`
[INFO] running `"docker" "rm" "-f" "abebd1555fd0df8ff0a0ec56bc89510b6fda27e2105f5bdc5bb611ea4cb283ed"`
[INFO] [stdout] abebd1555fd0df8ff0a0ec56bc89510b6fda27e2105f5bdc5bb611ea4cb283ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/amatho/mandelbrot-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4db43eca5e57be2e6dc520c39918134edd9ba476c0e6cb6c79f75d8f787a670e
[INFO] running `"docker" "start" "-a" "4db43eca5e57be2e6dc520c39918134edd9ba476c0e6cb6c79f75d8f787a670e"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "4db43eca5e57be2e6dc520c39918134edd9ba476c0e6cb6c79f75d8f787a670e"`
[INFO] running `"docker" "rm" "-f" "4db43eca5e57be2e6dc520c39918134edd9ba476c0e6cb6c79f75d8f787a670e"`
[INFO] [stdout] 4db43eca5e57be2e6dc520c39918134edd9ba476c0e6cb6c79f75d8f787a670e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/amatho/mandelbrot-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d4d3ef0d1f5b43ffc07269968f90827c33dd1b0ca047231c9ef55e5aec119cf7
[INFO] running `"docker" "start" "-a" "d4d3ef0d1f5b43ffc07269968f90827c33dd1b0ca047231c9ef55e5aec119cf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-9dd8814c39674e71
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::complex_tests::add ... ok
[INFO] [stdout] test tests::complex_tests::sub ... ok
[INFO] [stdout] test tests::complex_tests::sub_assign ... ok
[INFO] [stdout] test tests::complex_tests::sign_formatting ... ok
[INFO] [stdout] test tests::complex_tests::add_assign ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-1123604bd9e75d2b
[INFO] [stderr]    Doc-tests mandelbrot
[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" "d4d3ef0d1f5b43ffc07269968f90827c33dd1b0ca047231c9ef55e5aec119cf7"`
[INFO] running `"docker" "rm" "-f" "d4d3ef0d1f5b43ffc07269968f90827c33dd1b0ca047231c9ef55e5aec119cf7"`
[INFO] [stdout] d4d3ef0d1f5b43ffc07269968f90827c33dd1b0ca047231c9ef55e5aec119cf7