[INFO] cloning repository https://github.com/ckauhaus/mandelbrot-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckauhaus/mandelbrot-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckauhaus%2Fmandelbrot-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckauhaus%2Fmandelbrot-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1573d3a9d0a5941554cca318031f1b3c293838
[INFO] checking ckauhaus/mandelbrot-py against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckauhaus%2Fmandelbrot-py" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckauhaus/mandelbrot-py on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckauhaus/mandelbrot-py
[INFO] finished tweaking git repo https://github.com/ckauhaus/mandelbrot-py
[INFO] tweaked toml for git repo https://github.com/ckauhaus/mandelbrot-py written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ckauhaus/mandelbrot-py already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 534b2cd5c2bdfd3331fc4daf69ab84e163e889d010e4bc61bf6ddbcb0c025b0c
[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" "534b2cd5c2bdfd3331fc4daf69ab84e163e889d010e4bc61bf6ddbcb0c025b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "534b2cd5c2bdfd3331fc4daf69ab84e163e889d010e4bc61bf6ddbcb0c025b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534b2cd5c2bdfd3331fc4daf69ab84e163e889d010e4bc61bf6ddbcb0c025b0c", kill_on_drop: false }`
[INFO] [stdout] 534b2cd5c2bdfd3331fc4daf69ab84e163e889d010e4bc61bf6ddbcb0c025b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--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] 9d6650d1c8c77887c734a2ff32f138877af9f718d6b6dffdfdd45561df464a3a
[INFO] running `Command { std: "docker" "start" "-a" "9d6650d1c8c77887c734a2ff32f138877af9f718d6b6dffdfdd45561df464a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking png v0.16.6
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking image v0.23.6
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.75s
[INFO] running `Command { std: "docker" "inspect" "9d6650d1c8c77887c734a2ff32f138877af9f718d6b6dffdfdd45561df464a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6650d1c8c77887c734a2ff32f138877af9f718d6b6dffdfdd45561df464a3a", kill_on_drop: false }`
[INFO] [stdout] 9d6650d1c8c77887c734a2ff32f138877af9f718d6b6dffdfdd45561df464a3a