[INFO] cloning repository https://github.com/troeggla/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/troeggla/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroeggla%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroeggla%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17aa65f5ca9e9d9bd197d1daf61beb88a4ddb70f
[INFO] testing troeggla/mandelbrot against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroeggla%2Fmandelbrot" "/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/troeggla/mandelbrot on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/troeggla/mandelbrot
[INFO] finished tweaking git repo https://github.com/troeggla/mandelbrot
[INFO] tweaked toml for git repo https://github.com/troeggla/mandelbrot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/troeggla/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e34fc68a7090776f25c5d109eda5538fe5a5bff155b1e4addf84ffc944f262a
[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" "1e34fc68a7090776f25c5d109eda5538fe5a5bff155b1e4addf84ffc944f262a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e34fc68a7090776f25c5d109eda5538fe5a5bff155b1e4addf84ffc944f262a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e34fc68a7090776f25c5d109eda5538fe5a5bff155b1e4addf84ffc944f262a", kill_on_drop: false }`
[INFO] [stdout] 1e34fc68a7090776f25c5d109eda5538fe5a5bff155b1e4addf84ffc944f262a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4243c9fd034d59b89a84c2fdbe34ef5e90656cfdecfd7646a8d7d3bfd8082e
[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" "4e4243c9fd034d59b89a84c2fdbe34ef5e90656cfdecfd7646a8d7d3bfd8082e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling inflate v0.3.3
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling mandelbrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `Command { std: "docker" "inspect" "4e4243c9fd034d59b89a84c2fdbe34ef5e90656cfdecfd7646a8d7d3bfd8082e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4243c9fd034d59b89a84c2fdbe34ef5e90656cfdecfd7646a8d7d3bfd8082e", kill_on_drop: false }`
[INFO] [stdout] 4e4243c9fd034d59b89a84c2fdbe34ef5e90656cfdecfd7646a8d7d3bfd8082e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce42e48f4ec221e2e2df6d3a3217648379fa476dff3ef1dbe1dde2a423b48d42
[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" "ce42e48f4ec221e2e2df6d3a3217648379fa476dff3ef1dbe1dde2a423b48d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ce42e48f4ec221e2e2df6d3a3217648379fa476dff3ef1dbe1dde2a423b48d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce42e48f4ec221e2e2df6d3a3217648379fa476dff3ef1dbe1dde2a423b48d42", kill_on_drop: false }`
[INFO] [stdout] ce42e48f4ec221e2e2df6d3a3217648379fa476dff3ef1dbe1dde2a423b48d42
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] f4fb593526e8de9ca7709c7dbba7b39006dcd7b1b8dedba7950a6c5973c4d1db
[INFO] running `Command { std: "docker" "start" "-a" "f4fb593526e8de9ca7709c7dbba7b39006dcd7b1b8dedba7950a6c5973c4d1db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-4f31ad972ce83777)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4fb593526e8de9ca7709c7dbba7b39006dcd7b1b8dedba7950a6c5973c4d1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fb593526e8de9ca7709c7dbba7b39006dcd7b1b8dedba7950a6c5973c4d1db", kill_on_drop: false }`
[INFO] [stdout] f4fb593526e8de9ca7709c7dbba7b39006dcd7b1b8dedba7950a6c5973c4d1db