[INFO] updating cached repository h3nnn4n/mandelbrot-oxide
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/h3nnn4n/mandelbrot-oxide
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/h3nnn4n/mandelbrot-oxide" "work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/mandelbrot-oxide"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/mandelbrot-oxide'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/h3nnn4n/mandelbrot-oxide" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/h3nnn4n/mandelbrot-oxide"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/h3nnn4n/mandelbrot-oxide'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6dd28f6c84ffc1b970f2ca5673ee74997faa47b6
[INFO] sha for GitHub repo h3nnn4n/mandelbrot-oxide: 6dd28f6c84ffc1b970f2ca5673ee74997faa47b6
[INFO] validating manifest of h3nnn4n/mandelbrot-oxide 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 h3nnn4n/mandelbrot-oxide 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 h3nnn4n/mandelbrot-oxide
[INFO] finished frobbing h3nnn4n/mandelbrot-oxide
[INFO] frobbed toml for h3nnn4n/mandelbrot-oxide written to work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/mandelbrot-oxide/Cargo.toml
[INFO] started frobbing h3nnn4n/mandelbrot-oxide
[INFO] finished frobbing h3nnn4n/mandelbrot-oxide
[INFO] frobbed toml for h3nnn4n/mandelbrot-oxide written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/h3nnn4n/mandelbrot-oxide/Cargo.toml
[INFO] crate h3nnn4n/mandelbrot-oxide 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 h3nnn4n/mandelbrot-oxide 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/h3nnn4n/mandelbrot-oxide:/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] 4fe9dc3cd3e2b117265621c55e47474e086fb9921fee05c7fae4f746956f4ddf
[INFO] running `"docker" "start" "-a" "4fe9dc3cd3e2b117265621c55e47474e086fb9921fee05c7fae4f746956f4ddf"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling mandelbrot-oxide v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `"docker" "inspect" "4fe9dc3cd3e2b117265621c55e47474e086fb9921fee05c7fae4f746956f4ddf"`
[INFO] running `"docker" "rm" "-f" "4fe9dc3cd3e2b117265621c55e47474e086fb9921fee05c7fae4f746956f4ddf"`
[INFO] [stdout] 4fe9dc3cd3e2b117265621c55e47474e086fb9921fee05c7fae4f746956f4ddf
[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/h3nnn4n/mandelbrot-oxide:/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] 9ed1abd7f04eb3b2019d53650ae5f3a022c6a54d5ae05abc56bb57dd12f1c3cc
[INFO] running `"docker" "start" "-a" "9ed1abd7f04eb3b2019d53650ae5f3a022c6a54d5ae05abc56bb57dd12f1c3cc"`
[INFO] [stderr]    Compiling mandelbrot-oxide v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "9ed1abd7f04eb3b2019d53650ae5f3a022c6a54d5ae05abc56bb57dd12f1c3cc"`
[INFO] running `"docker" "rm" "-f" "9ed1abd7f04eb3b2019d53650ae5f3a022c6a54d5ae05abc56bb57dd12f1c3cc"`
[INFO] [stdout] 9ed1abd7f04eb3b2019d53650ae5f3a022c6a54d5ae05abc56bb57dd12f1c3cc
[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/h3nnn4n/mandelbrot-oxide:/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] a0eee5ef90d638daada20d0cf9ac88cd21ef4001ea4a8fc1b6ca73012df5276f
[INFO] running `"docker" "start" "-a" "a0eee5ef90d638daada20d0cf9ac88cd21ef4001ea4a8fc1b6ca73012df5276f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot_oxide-3eef51db8ec16632
[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" "a0eee5ef90d638daada20d0cf9ac88cd21ef4001ea4a8fc1b6ca73012df5276f"`
[INFO] running `"docker" "rm" "-f" "a0eee5ef90d638daada20d0cf9ac88cd21ef4001ea4a8fc1b6ca73012df5276f"`
[INFO] [stdout] a0eee5ef90d638daada20d0cf9ac88cd21ef4001ea4a8fc1b6ca73012df5276f