[INFO] cloning repository https://github.com/aarroyoc/fractal_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aarroyoc/fractal_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f264ac80c33e8a185a27e82f19aa8fbcbf07636e
[INFO] testing aarroyoc/fractal_tree against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faarroyoc%2Ffractal_tree" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aarroyoc/fractal_tree 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/aarroyoc/fractal_tree
[INFO] finished tweaking git repo https://github.com/aarroyoc/fractal_tree
[INFO] tweaked toml for git repo https://github.com/aarroyoc/fractal_tree written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/aarroyoc/fractal_tree 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lyon_core v0.8.0
[INFO] [stderr]   Downloaded svgparser v0.4.3
[INFO] [stderr]   Downloaded lyon_path_builder v0.8.0
[INFO] [stderr]   Downloaded heapsize v0.4.1
[INFO] [stderr]   Downloaded lyon_path_iterator v0.8.0
[INFO] [stderr]   Downloaded lyon_path v0.8.0
[INFO] [stderr]   Downloaded lyon v0.8.3
[INFO] [stderr]   Downloaded lyon_extra v0.8.1
[INFO] [stderr]   Downloaded lyon_svg v0.8.0
[INFO] [stderr]   Downloaded gfx_window_glutin v0.18.0
[INFO] [stderr]   Downloaded lyon_bezier v0.8.0
[INFO] [stderr]   Downloaded euclid v0.15.3
[INFO] [stderr]   Downloaded lyon_tessellation v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] edeead593d101755a57c529398ee963e1aaa426adf3cac53320f539f3f7bb7d1
[INFO] running `Command { std: "docker" "start" "-a" "edeead593d101755a57c529398ee963e1aaa426adf3cac53320f539f3f7bb7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edeead593d101755a57c529398ee963e1aaa426adf3cac53320f539f3f7bb7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edeead593d101755a57c529398ee963e1aaa426adf3cac53320f539f3f7bb7d1", kill_on_drop: false }`
[INFO] [stdout] edeead593d101755a57c529398ee963e1aaa426adf3cac53320f539f3f7bb7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 6ff7534048986668a5e97099a3e102b1ec8562fbd4e522eb9f15bf05e45c69a7
[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" "6ff7534048986668a5e97099a3e102b1ec8562fbd4e522eb9f15bf05e45c69a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling sid v0.5.0
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling nodrop v0.1.10
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]    Compiling glutin v0.10.0
[INFO] [stderr]    Compiling svgparser v0.4.3
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling draw_state v0.7.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling arrayvec v0.3.23
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling euclid v0.15.3
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling lyon_bezier v0.8.0
[INFO] [stderr]    Compiling lyon_core v0.8.0
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling lyon_path_builder v0.8.0
[INFO] [stderr]    Compiling lyon_path_iterator v0.8.0
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling lyon_path v0.8.0
[INFO] [stderr]    Compiling lyon_svg v0.8.0
[INFO] [stderr]    Compiling lyon_extra v0.8.1
[INFO] [stderr]    Compiling lyon_tessellation v0.8.3
[INFO] [stderr]    Compiling lyon v0.8.3
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling gfx_device_gl v0.14.4
[INFO] [stderr]    Compiling gfx v0.16.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.8.0
[INFO] [stderr]    Compiling winit v0.8.3
[INFO] [stderr]    Compiling gfx_window_glutin v0.18.0
[INFO] [stderr]    Compiling fractal_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "6ff7534048986668a5e97099a3e102b1ec8562fbd4e522eb9f15bf05e45c69a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff7534048986668a5e97099a3e102b1ec8562fbd4e522eb9f15bf05e45c69a7", kill_on_drop: false }`
[INFO] [stdout] 6ff7534048986668a5e97099a3e102b1ec8562fbd4e522eb9f15bf05e45c69a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4a36b63818a5d9985df38aab5069ab9a8315396e2b49fd35481d4d3d8e753b8
[INFO] running `Command { std: "docker" "start" "-a" "a4a36b63818a5d9985df38aab5069ab9a8315396e2b49fd35481d4d3d8e753b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractal_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "a4a36b63818a5d9985df38aab5069ab9a8315396e2b49fd35481d4d3d8e753b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a36b63818a5d9985df38aab5069ab9a8315396e2b49fd35481d4d3d8e753b8", kill_on_drop: false }`
[INFO] [stdout] a4a36b63818a5d9985df38aab5069ab9a8315396e2b49fd35481d4d3d8e753b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ef2543bb063782e73ea64befaecfa772e9f872ed6f04f7b14972115aad6600f7
[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" "ef2543bb063782e73ea64befaecfa772e9f872ed6f04f7b14972115aad6600f7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fractal_tree-38096f0b6b7b081d)
[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" "ef2543bb063782e73ea64befaecfa772e9f872ed6f04f7b14972115aad6600f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2543bb063782e73ea64befaecfa772e9f872ed6f04f7b14972115aad6600f7", kill_on_drop: false }`
[INFO] [stdout] ef2543bb063782e73ea64befaecfa772e9f872ed6f04f7b14972115aad6600f7