[INFO] cloning repository https://github.com/jguidoux/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jguidoux/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjguidoux%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjguidoux%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aa168aa6ae383435cc06a0ddc4ed7326233d2bb
[INFO] checking jguidoux/snake against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjguidoux%2Fsnake" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jguidoux/snake 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/jguidoux/snake
[INFO] finished tweaking git repo https://github.com/jguidoux/snake
[INFO] tweaked toml for git repo https://github.com/jguidoux/snake written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jguidoux/snake 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4d1b5d1d2016c2f73b0f7e97f7af55af5ed52075f4df83e41c7ef1f1c934ae8
[INFO] running `Command { std: "docker" "start" "-a" "f4d1b5d1d2016c2f73b0f7e97f7af55af5ed52075f4df83e41c7ef1f1c934ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4d1b5d1d2016c2f73b0f7e97f7af55af5ed52075f4df83e41c7ef1f1c934ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d1b5d1d2016c2f73b0f7e97f7af55af5ed52075f4df83e41c7ef1f1c934ae8", kill_on_drop: false }`
[INFO] [stdout] f4d1b5d1d2016c2f73b0f7e97f7af55af5ed52075f4df83e41c7ef1f1c934ae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d8a573c3f4e52975fa5808e76e9c0f6d62009c7eb3598577d88a3d4cb5e9e853
[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" "d8a573c3f4e52975fa5808e76e9c0f6d62009c7eb3598577d88a3d4cb5e9e853", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.68.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking piston_window v0.108.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.98s
[INFO] running `Command { std: "docker" "inspect" "d8a573c3f4e52975fa5808e76e9c0f6d62009c7eb3598577d88a3d4cb5e9e853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a573c3f4e52975fa5808e76e9c0f6d62009c7eb3598577d88a3d4cb5e9e853", kill_on_drop: false }`
[INFO] [stdout] d8a573c3f4e52975fa5808e76e9c0f6d62009c7eb3598577d88a3d4cb5e9e853