[INFO] cloning repository https://github.com/holli/rusted_cart_pole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/holli/rusted_cart_pole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholli%2Frusted_cart_pole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholli%2Frusted_cart_pole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc6cf640e782a6e2312e94e0157a5a9cfb2b9d80
[INFO] checking holli/rusted_cart_pole against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholli%2Frusted_cart_pole" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/holli/rusted_cart_pole 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/holli/rusted_cart_pole
[INFO] finished tweaking git repo https://github.com/holli/rusted_cart_pole
[INFO] tweaked toml for git repo https://github.com/holli/rusted_cart_pole written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/holli/rusted_cart_pole 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a2b5f2cc958f9fcda87578d24b7c8c7f5bf05bbc4e56d4d6e5b08510647c59c9
[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" "a2b5f2cc958f9fcda87578d24b7c8c7f5bf05bbc4e56d4d6e5b08510647c59c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b5f2cc958f9fcda87578d24b7c8c7f5bf05bbc4e56d4d6e5b08510647c59c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b5f2cc958f9fcda87578d24b7c8c7f5bf05bbc4e56d4d6e5b08510647c59c9", kill_on_drop: false }`
[INFO] [stdout] a2b5f2cc958f9fcda87578d24b7c8c7f5bf05bbc4e56d4d6e5b08510647c59c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 705db8aec887fc72cb2276e58a7b5f40d9716eb4375f9a784309044cc73e4f5b
[INFO] running `Command { std: "docker" "start" "-a" "705db8aec887fc72cb2276e58a7b5f40d9716eb4375f9a784309044cc73e4f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.54
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling wasm-bindgen v0.2.54
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking euclid v0.20.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.54
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.54
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.54
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking piston-gfx_texture v0.40.0
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.66.0
[INFO] [stderr]     Checking js-sys v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.54
[INFO] [stderr]     Checking glutin v0.21.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston_window v0.105.0
[INFO] [stderr]     Checking plotters v0.2.11 (https://github.com/holli/plotters?branch=pub_piston_backend#aa07608e)
[INFO] [stderr]    Compiling web-sys v0.3.31
[INFO] [stderr]     Checking rusted_cart_pole v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "705db8aec887fc72cb2276e58a7b5f40d9716eb4375f9a784309044cc73e4f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705db8aec887fc72cb2276e58a7b5f40d9716eb4375f9a784309044cc73e4f5b", kill_on_drop: false }`
[INFO] [stdout] 705db8aec887fc72cb2276e58a7b5f40d9716eb4375f9a784309044cc73e4f5b