[INFO] cloning repository https://github.com/aligator/rust-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aligator/rust-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faligator%2Frust-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faligator%2Frust-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0403ec6a49df226414f09bea10a8cc7118f3d1
[INFO] checking aligator/rust-snake against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faligator%2Frust-snake" "/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/aligator/rust-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/aligator/rust-snake
[INFO] finished tweaking git repo https://github.com/aligator/rust-snake
[INFO] tweaked toml for git repo https://github.com/aligator/rust-snake written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/aligator/rust-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_winapi v0.2.1
[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" "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] 1fb6203f1515fc02d262db603ba3e3ff4b576aa944d1a42c89c1276c092bc49d
[INFO] running `Command { std: "docker" "start" "-a" "1fb6203f1515fc02d262db603ba3e3ff4b576aa944d1a42c89c1276c092bc49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb6203f1515fc02d262db603ba3e3ff4b576aa944d1a42c89c1276c092bc49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb6203f1515fc02d262db603ba3e3ff4b576aa944d1a42c89c1276c092bc49d", kill_on_drop: false }`
[INFO] [stdout] 1fb6203f1515fc02d262db603ba3e3ff4b576aa944d1a42c89c1276c092bc49d
[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=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] ef9eff14d9bafa244d50cc86d08a547713e902f7e9c8bc3e3344dd1865c6c33b
[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" "ef9eff14d9bafa244d50cc86d08a547713e902f7e9c8bc3e3344dd1865c6c33b", kill_on_drop: false }`
[INFO] [stderr]     Checking crossterm_utils v0.3.1 (https://github.com/crossterm-rs/crossterm-utils.git?branch=master#152cd562)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossterm_cursor v0.3.1 (https://github.com/crossterm-rs/crossterm-cursor.git?branch=master#58b5ce9d)
[INFO] [stderr]     Checking crossterm_screen v0.3.1 (https://github.com/crossterm-rs/crossterm-screen.git?branch=master#929fb445)
[INFO] [stderr]     Checking crossterm_style v0.5.1 (https://github.com/crossterm-rs/crossterm-style.git?branch=master#7e87cbc7)
[INFO] [stderr]     Checking crossterm_input v0.4.1 (https://github.com/crossterm-rs/crossterm-input.git?branch=master#bb53032d)
[INFO] [stderr]     Checking crossterm_terminal v0.3.1 (https://github.com/crossterm-rs/crossterm-terminal.git?branch=master#f70007c6)
[INFO] [stderr]     Checking crossterm v0.11.1 (https://github.com/crossterm-rs/crossterm.git?branch=master#bed198a1)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking snake v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "ef9eff14d9bafa244d50cc86d08a547713e902f7e9c8bc3e3344dd1865c6c33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9eff14d9bafa244d50cc86d08a547713e902f7e9c8bc3e3344dd1865c6c33b", kill_on_drop: false }`
[INFO] [stdout] ef9eff14d9bafa244d50cc86d08a547713e902f7e9c8bc3e3344dd1865c6c33b