[INFO] updating cached repository kennerleyb/Rust-Mandlebrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kennerleyb/Rust-Mandlebrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kennerleyb/Rust-Mandlebrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/kennerleyb/Rust-Mandlebrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kennerleyb/Rust-Mandlebrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kennerleyb/Rust-Mandlebrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kennerleyb/Rust-Mandlebrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kennerleyb/Rust-Mandlebrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a58a1205306c7555a0811ab643bbe49044d3ddc1
[INFO] sha for GitHub repo kennerleyb/Rust-Mandlebrot: a58a1205306c7555a0811ab643bbe49044d3ddc1
[INFO] validating manifest of kennerleyb/Rust-Mandlebrot 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 kennerleyb/Rust-Mandlebrot 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 kennerleyb/Rust-Mandlebrot
[INFO] finished frobbing kennerleyb/Rust-Mandlebrot
[INFO] frobbed toml for kennerleyb/Rust-Mandlebrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/kennerleyb/Rust-Mandlebrot/Cargo.toml
[INFO] started frobbing kennerleyb/Rust-Mandlebrot
[INFO] finished frobbing kennerleyb/Rust-Mandlebrot
[INFO] frobbed toml for kennerleyb/Rust-Mandlebrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kennerleyb/Rust-Mandlebrot/Cargo.toml
[INFO] crate kennerleyb/Rust-Mandlebrot 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 kennerleyb/Rust-Mandlebrot 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-5/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/kennerleyb/Rust-Mandlebrot:/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] f9ccbf4ebb514ab6efe56382865f84dafad01f733f3e106e6e7f6d077fff5e54
[INFO] running `"docker" "start" "-a" "f9ccbf4ebb514ab6efe56382865f84dafad01f733f3e106e6e7f6d077fff5e54"`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling deflate v0.7.11
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling rayon v0.8.1
[INFO] [stderr]    Compiling num-bigint v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.38
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling rust-mandlebrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.11s
[INFO] running `"docker" "inspect" "f9ccbf4ebb514ab6efe56382865f84dafad01f733f3e106e6e7f6d077fff5e54"`
[INFO] running `"docker" "rm" "-f" "f9ccbf4ebb514ab6efe56382865f84dafad01f733f3e106e6e7f6d077fff5e54"`
[INFO] [stdout] f9ccbf4ebb514ab6efe56382865f84dafad01f733f3e106e6e7f6d077fff5e54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/kennerleyb/Rust-Mandlebrot:/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] 532d2d47e6befa92202242b982c5dfb3b1e4fa4ff93079201b7e000a6f0eaef2
[INFO] running `"docker" "start" "-a" "532d2d47e6befa92202242b982c5dfb3b1e4fa4ff93079201b7e000a6f0eaef2"`
[INFO] [stderr]    Compiling rust-mandlebrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "532d2d47e6befa92202242b982c5dfb3b1e4fa4ff93079201b7e000a6f0eaef2"`
[INFO] running `"docker" "rm" "-f" "532d2d47e6befa92202242b982c5dfb3b1e4fa4ff93079201b7e000a6f0eaef2"`
[INFO] [stdout] 532d2d47e6befa92202242b982c5dfb3b1e4fa4ff93079201b7e000a6f0eaef2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/kennerleyb/Rust-Mandlebrot:/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] 2ce9da7294bbfde665dfb042181398b6587c0bcb941cec3070841b58a9f7cb8b
[INFO] running `"docker" "start" "-a" "2ce9da7294bbfde665dfb042181398b6587c0bcb941cec3070841b58a9f7cb8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_mandlebrot-bd3de78bc107a076
[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" "2ce9da7294bbfde665dfb042181398b6587c0bcb941cec3070841b58a9f7cb8b"`
[INFO] running `"docker" "rm" "-f" "2ce9da7294bbfde665dfb042181398b6587c0bcb941cec3070841b58a9f7cb8b"`
[INFO] [stdout] 2ce9da7294bbfde665dfb042181398b6587c0bcb941cec3070841b58a9f7cb8b