[INFO] updating cached repository r2p2/rust-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/r2p2/rust-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/r2p2/rust-mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/r2p2/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/r2p2/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/r2p2/rust-mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/r2p2/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/r2p2/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5cf2334de4e9a5a853089ee114ac8ff7d1677041
[INFO] sha for GitHub repo r2p2/rust-mandelbrot: 5cf2334de4e9a5a853089ee114ac8ff7d1677041
[INFO] validating manifest of r2p2/rust-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 r2p2/rust-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 r2p2/rust-mandelbrot
[INFO] finished frobbing r2p2/rust-mandelbrot
[INFO] frobbed toml for r2p2/rust-mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/r2p2/rust-mandelbrot/Cargo.toml
[INFO] started frobbing r2p2/rust-mandelbrot
[INFO] finished frobbing r2p2/rust-mandelbrot
[INFO] frobbed toml for r2p2/rust-mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/r2p2/rust-mandelbrot/Cargo.toml
[INFO] crate r2p2/rust-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 r2p2/rust-mandelbrot against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/r2p2/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 976872d87831a8678402dcaa983e4206286494dbb11757df62e4f234429b7e69
[INFO] running `"docker" "start" "-a" "976872d87831a8678402dcaa983e4206286494dbb11757df62e4f234429b7e69"`
[INFO] [stderr]    Compiling futures v0.1.15
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling deflate v0.7.16
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.09s
[INFO] running `"docker" "inspect" "976872d87831a8678402dcaa983e4206286494dbb11757df62e4f234429b7e69"`
[INFO] running `"docker" "rm" "-f" "976872d87831a8678402dcaa983e4206286494dbb11757df62e4f234429b7e69"`
[INFO] [stdout] 976872d87831a8678402dcaa983e4206286494dbb11757df62e4f234429b7e69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/r2p2/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 031006fb4e8eb559deed4412a486e657d563d6669c04c6f4344a70ed7129e186
[INFO] running `"docker" "start" "-a" "031006fb4e8eb559deed4412a486e657d563d6669c04c6f4344a70ed7129e186"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "031006fb4e8eb559deed4412a486e657d563d6669c04c6f4344a70ed7129e186"`
[INFO] running `"docker" "rm" "-f" "031006fb4e8eb559deed4412a486e657d563d6669c04c6f4344a70ed7129e186"`
[INFO] [stdout] 031006fb4e8eb559deed4412a486e657d563d6669c04c6f4344a70ed7129e186
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/r2p2/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c723c84b29912dc225d29702f32fe29d8a69fe0878687778519b5ba98f685042
[INFO] running `"docker" "start" "-a" "c723c84b29912dc225d29702f32fe29d8a69fe0878687778519b5ba98f685042"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-8af4f70b7fb33da5
[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" "c723c84b29912dc225d29702f32fe29d8a69fe0878687778519b5ba98f685042"`
[INFO] running `"docker" "rm" "-f" "c723c84b29912dc225d29702f32fe29d8a69fe0878687778519b5ba98f685042"`
[INFO] [stdout] c723c84b29912dc225d29702f32fe29d8a69fe0878687778519b5ba98f685042