[INFO] cloning repository https://github.com/Jackbaude/mandelbrot-set-challange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jackbaude/mandelbrot-set-challange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackbaude%2Fmandelbrot-set-challange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackbaude%2Fmandelbrot-set-challange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11e9f49e3aa7e1259df04ef5c2e86963961d3759
[INFO] testing Jackbaude/mandelbrot-set-challange against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackbaude%2Fmandelbrot-set-challange" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jackbaude/mandelbrot-set-challange on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jackbaude/mandelbrot-set-challange
[INFO] finished tweaking git repo https://github.com/Jackbaude/mandelbrot-set-challange
[INFO] tweaked toml for git repo https://github.com/Jackbaude/mandelbrot-set-challange written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Jackbaude/mandelbrot-set-challange already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47ed9034f273f4e04dc8f8a8c8bacef77d939aa50ecd026207559f9bb2f74a65
[INFO] running `Command { std: "docker" "start" "-a" "47ed9034f273f4e04dc8f8a8c8bacef77d939aa50ecd026207559f9bb2f74a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ed9034f273f4e04dc8f8a8c8bacef77d939aa50ecd026207559f9bb2f74a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ed9034f273f4e04dc8f8a8c8bacef77d939aa50ecd026207559f9bb2f74a65", kill_on_drop: false }`
[INFO] [stdout] 47ed9034f273f4e04dc8f8a8c8bacef77d939aa50ecd026207559f9bb2f74a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35d99577e8fe2cd392afab4d57308176d88ea93a21ed6d0c5f9ab81e77e1bf0c
[INFO] running `Command { std: "docker" "start" "-a" "35d99577e8fe2cd392afab4d57308176d88ea93a21ed6d0c5f9ab81e77e1bf0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.21
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling mandelbrot_set_challange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `Command { std: "docker" "inspect" "35d99577e8fe2cd392afab4d57308176d88ea93a21ed6d0c5f9ab81e77e1bf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d99577e8fe2cd392afab4d57308176d88ea93a21ed6d0c5f9ab81e77e1bf0c", kill_on_drop: false }`
[INFO] [stdout] 35d99577e8fe2cd392afab4d57308176d88ea93a21ed6d0c5f9ab81e77e1bf0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcea47ba2b34d4314c6b664f087e53ad75280c14313b16569388bcf0e8ae502c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bcea47ba2b34d4314c6b664f087e53ad75280c14313b16569388bcf0e8ae502c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot_set_challange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "bcea47ba2b34d4314c6b664f087e53ad75280c14313b16569388bcf0e8ae502c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcea47ba2b34d4314c6b664f087e53ad75280c14313b16569388bcf0e8ae502c", kill_on_drop: false }`
[INFO] [stdout] bcea47ba2b34d4314c6b664f087e53ad75280c14313b16569388bcf0e8ae502c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13907b34c6aa6156b89b4e69d2d39d7de4d130ca12d26e16ec51e354a8a47650
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13907b34c6aa6156b89b4e69d2d39d7de4d130ca12d26e16ec51e354a8a47650", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot_set_challange-482312c9a3df3fb8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13907b34c6aa6156b89b4e69d2d39d7de4d130ca12d26e16ec51e354a8a47650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13907b34c6aa6156b89b4e69d2d39d7de4d130ca12d26e16ec51e354a8a47650", kill_on_drop: false }`
[INFO] [stdout] 13907b34c6aa6156b89b4e69d2d39d7de4d130ca12d26e16ec51e354a8a47650