[INFO] cloning repository https://github.com/fzzzy/rustmandlebrotparallel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fzzzy/rustmandlebrotparallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzzzy%2Frustmandlebrotparallel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzzzy%2Frustmandlebrotparallel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d44404070c266af0f24321bb2ad56b81d7e71f2
[INFO] checking fzzzy/rustmandlebrotparallel against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzzzy%2Frustmandlebrotparallel" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fzzzy/rustmandlebrotparallel on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fzzzy/rustmandlebrotparallel
[INFO] finished tweaking git repo https://github.com/fzzzy/rustmandlebrotparallel
[INFO] tweaked toml for git repo https://github.com/fzzzy/rustmandlebrotparallel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fzzzy/rustmandlebrotparallel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bab8a4079ea32b663ef7374a40fbcc6929bd76a3209054d00da562e983c0932
[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" "8bab8a4079ea32b663ef7374a40fbcc6929bd76a3209054d00da562e983c0932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bab8a4079ea32b663ef7374a40fbcc6929bd76a3209054d00da562e983c0932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bab8a4079ea32b663ef7374a40fbcc6929bd76a3209054d00da562e983c0932", kill_on_drop: false }`
[INFO] [stdout] 8bab8a4079ea32b663ef7374a40fbcc6929bd76a3209054d00da562e983c0932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b2beda9a50b5c202ad0475a966b5dbde104e6419647be9cb90a475388f86c5d
[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" "0b2beda9a50b5c202ad0475a966b5dbde104e6419647be9cb90a475388f86c5d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected end of macro invocation
[INFO] [stdout]   --> src/main.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |     assert_eq!(parse_complex(","))
[INFO] [stdout]    |                                  ^ missing tokens in macro arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0b2beda9a50b5c202ad0475a966b5dbde104e6419647be9cb90a475388f86c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2beda9a50b5c202ad0475a966b5dbde104e6419647be9cb90a475388f86c5d", kill_on_drop: false }`
[INFO] [stdout] 0b2beda9a50b5c202ad0475a966b5dbde104e6419647be9cb90a475388f86c5d