[INFO] cloning repository https://github.com/elbaro/perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elbaro/perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e07791c29e368b18d8b4f2be7140692c7624f5b
[INFO] checking elbaro/perceptron against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elbaro/perceptron 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/elbaro/perceptron
[INFO] finished tweaking git repo https://github.com/elbaro/perceptron
[INFO] tweaked toml for git repo https://github.com/elbaro/perceptron written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/elbaro/perceptron 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 56b0d9a82b49ca7cc0db349b70f7e674c855673ae13608506c8c0ef6b120333b
[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" "56b0d9a82b49ca7cc0db349b70f7e674c855673ae13608506c8c0ef6b120333b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b0d9a82b49ca7cc0db349b70f7e674c855673ae13608506c8c0ef6b120333b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b0d9a82b49ca7cc0db349b70f7e674c855673ae13608506c8c0ef6b120333b", kill_on_drop: false }`
[INFO] [stdout] 56b0d9a82b49ca7cc0db349b70f7e674c855673ae13608506c8c0ef6b120333b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 371c1fdb0475c47e13a82700b82673c05add50f5e8af538ba32665d2bd36db4a
[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" "371c1fdb0475c47e13a82700b82673c05add50f5e8af538ba32665d2bd36db4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking noise v0.4.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking pennereq v0.2.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking conrod v0.61.1
[INFO] [stderr]     Checking nannou v0.8.0
[INFO] [stderr]     Checking svm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "371c1fdb0475c47e13a82700b82673c05add50f5e8af538ba32665d2bd36db4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371c1fdb0475c47e13a82700b82673c05add50f5e8af538ba32665d2bd36db4a", kill_on_drop: false }`
[INFO] [stdout] 371c1fdb0475c47e13a82700b82673c05add50f5e8af538ba32665d2bd36db4a