[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-1.37-6/sources/1.36.0/gh/kennerleyb/Rust-Mandlebrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kennerleyb/Rust-Mandlebrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kennerleyb/Rust-Mandlebrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kennerleyb/Rust-Mandlebrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kennerleyb/Rust-Mandlebrot 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 kennerleyb/Rust-Mandlebrot
[INFO] finished frobbing kennerleyb/Rust-Mandlebrot
[INFO] frobbed toml for kennerleyb/Rust-Mandlebrot written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 kennerleyb/Rust-Mandlebrot 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/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] db0aa60906f6e994f1e8b0154377a6a37ad014208e8343d194e9a5fd3dc2ba4b
[INFO] running `"docker" "start" "-a" "db0aa60906f6e994f1e8b0154377a6a37ad014208e8343d194e9a5fd3dc2ba4b"`
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling deflate v0.7.11
[INFO] [stderr]    Compiling num-bigint v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling rayon v0.8.1
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[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 26.88s
[INFO] running `"docker" "inspect" "db0aa60906f6e994f1e8b0154377a6a37ad014208e8343d194e9a5fd3dc2ba4b"`
[INFO] running `"docker" "rm" "-f" "db0aa60906f6e994f1e8b0154377a6a37ad014208e8343d194e9a5fd3dc2ba4b"`
[INFO] [stdout] db0aa60906f6e994f1e8b0154377a6a37ad014208e8343d194e9a5fd3dc2ba4b
[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/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b6a21feefc2eb0da7e88a938b384a35098a757d92de9f3e36b3ee9e9904e523
[INFO] running `"docker" "start" "-a" "9b6a21feefc2eb0da7e88a938b384a35098a757d92de9f3e36b3ee9e9904e523"`
[INFO] [stderr]    Compiling rust-mandlebrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "9b6a21feefc2eb0da7e88a938b384a35098a757d92de9f3e36b3ee9e9904e523"`
[INFO] running `"docker" "rm" "-f" "9b6a21feefc2eb0da7e88a938b384a35098a757d92de9f3e36b3ee9e9904e523"`
[INFO] [stdout] 9b6a21feefc2eb0da7e88a938b384a35098a757d92de9f3e36b3ee9e9904e523
[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/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 81557cfa1057985bd2110018179c2d8304275906956b56c62e0df151c60fe4a3
[INFO] running `"docker" "start" "-a" "81557cfa1057985bd2110018179c2d8304275906956b56c62e0df151c60fe4a3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_mandlebrot-9a74b77a05d66b9e
[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" "81557cfa1057985bd2110018179c2d8304275906956b56c62e0df151c60fe4a3"`
[INFO] running `"docker" "rm" "-f" "81557cfa1057985bd2110018179c2d8304275906956b56c62e0df151c60fe4a3"`
[INFO] [stdout] 81557cfa1057985bd2110018179c2d8304275906956b56c62e0df151c60fe4a3