[INFO] updating cached repository avranju/rust-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/avranju/rust-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3387cf0807fbe71c466df8a6c16c9e47fe7a17b
[INFO] sha for GitHub repo avranju/rust-mandelbrot: f3387cf0807fbe71c466df8a6c16c9e47fe7a17b
[INFO] validating manifest of avranju/rust-mandelbrot 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 avranju/rust-mandelbrot 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 avranju/rust-mandelbrot
[INFO] finished frobbing avranju/rust-mandelbrot
[INFO] frobbed toml for avranju/rust-mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-mandelbrot/Cargo.toml
[INFO] started frobbing avranju/rust-mandelbrot
[INFO] finished frobbing avranju/rust-mandelbrot
[INFO] frobbed toml for avranju/rust-mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/rust-mandelbrot/Cargo.toml
[INFO] crate avranju/rust-mandelbrot 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing avranju/rust-mandelbrot 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1ebfaf9f02c4edc816d39110453fce9554fd79af84096a8f5aa69ebc4f0186e4
[INFO] running `"docker" "start" "-a" "1ebfaf9f02c4edc816d39110453fce9554fd79af84096a8f5aa69ebc4f0186e4"`
[INFO] [stderr]    Compiling crossbeam v0.3.0
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.14s
[INFO] running `"docker" "inspect" "1ebfaf9f02c4edc816d39110453fce9554fd79af84096a8f5aa69ebc4f0186e4"`
[INFO] running `"docker" "rm" "-f" "1ebfaf9f02c4edc816d39110453fce9554fd79af84096a8f5aa69ebc4f0186e4"`
[INFO] [stdout] 1ebfaf9f02c4edc816d39110453fce9554fd79af84096a8f5aa69ebc4f0186e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc2d5bedcebe2ac242d6699d16a99e7b492da78ff7a3ee06e1ccd7e397740ff2
[INFO] running `"docker" "start" "-a" "fc2d5bedcebe2ac242d6699d16a99e7b492da78ff7a3ee06e1ccd7e397740ff2"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "fc2d5bedcebe2ac242d6699d16a99e7b492da78ff7a3ee06e1ccd7e397740ff2"`
[INFO] running `"docker" "rm" "-f" "fc2d5bedcebe2ac242d6699d16a99e7b492da78ff7a3ee06e1ccd7e397740ff2"`
[INFO] [stdout] fc2d5bedcebe2ac242d6699d16a99e7b492da78ff7a3ee06e1ccd7e397740ff2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/rust-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a4e7dec6ae6940b7adcb0492db53854c0cb810714173f25bce1203030350d9eb
[INFO] running `"docker" "start" "-a" "a4e7dec6ae6940b7adcb0492db53854c0cb810714173f25bce1203030350d9eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-e0cb35b4022c71c2
[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" "a4e7dec6ae6940b7adcb0492db53854c0cb810714173f25bce1203030350d9eb"`
[INFO] running `"docker" "rm" "-f" "a4e7dec6ae6940b7adcb0492db53854c0cb810714173f25bce1203030350d9eb"`
[INFO] [stdout] a4e7dec6ae6940b7adcb0492db53854c0cb810714173f25bce1203030350d9eb