[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 master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faligator%2Frust-snake" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aligator/rust-snake on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm.git`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-cursor.git`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-input.git`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-screen.git`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-style.git`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-terminal.git`
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-utils.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/crossterm-rs/crossterm-winapi.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding crossterm v0.11.1 (https://github.com/crossterm-rs/crossterm.git?branch=master#bed198a1)
[INFO] [stderr]       Adding crossterm_cursor v0.3.1 (https://github.com/crossterm-rs/crossterm-cursor.git?branch=master#58b5ce9d)
[INFO] [stderr]       Adding crossterm_input v0.4.1 (https://github.com/crossterm-rs/crossterm-input.git?branch=master#bb53032d)
[INFO] [stderr]       Adding crossterm_screen v0.3.1 (https://github.com/crossterm-rs/crossterm-screen.git?branch=master#929fb445)
[INFO] [stderr]       Adding crossterm_style v0.5.1 (https://github.com/crossterm-rs/crossterm-style.git?branch=master#7e87cbc7)
[INFO] [stderr]       Adding crossterm_terminal v0.3.1 (https://github.com/crossterm-rs/crossterm-terminal.git?branch=master#f70007c6)
[INFO] [stderr]       Adding crossterm_utils v0.3.1 (https://github.com/crossterm-rs/crossterm-utils.git?branch=master#152cd562)
[INFO] [stderr]       Adding crossterm_winapi v0.2.1 (https://github.com/crossterm-rs/crossterm-winapi.git?branch=master#eea5cea3)
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9fea09c249c8ae37d7c076e8dd34507a8922d96306f894b721b3708177e335e
[INFO] running `Command { std: "docker" "start" "-a" "b9fea09c249c8ae37d7c076e8dd34507a8922d96306f894b721b3708177e335e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9fea09c249c8ae37d7c076e8dd34507a8922d96306f894b721b3708177e335e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fea09c249c8ae37d7c076e8dd34507a8922d96306f894b721b3708177e335e", kill_on_drop: false }`
[INFO] [stdout] b9fea09c249c8ae37d7c076e8dd34507a8922d96306f894b721b3708177e335e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e38fde22eafc04d93ba647ebda42603802053a2e399889bf93a20e4b9f76bf17
[INFO] running `Command { std: "docker" "start" "-a" "e38fde22eafc04d93ba647ebda42603802053a2e399889bf93a20e4b9f76bf17", 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` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e38fde22eafc04d93ba647ebda42603802053a2e399889bf93a20e4b9f76bf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38fde22eafc04d93ba647ebda42603802053a2e399889bf93a20e4b9f76bf17", kill_on_drop: false }`
[INFO] [stdout] e38fde22eafc04d93ba647ebda42603802053a2e399889bf93a20e4b9f76bf17