[INFO] cloning repository https://github.com/ftlc/Rust-Toy-Language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftlc/Rust-Toy-Language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftlc%2FRust-Toy-Language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftlc%2FRust-Toy-Language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dde5f00cd3a8a7735bd831d0fedc3d7a1489ce1a
[INFO] checking ftlc/Rust-Toy-Language against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftlc%2FRust-Toy-Language" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ftlc/Rust-Toy-Language on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ftlc/Rust-Toy-Language
[INFO] finished tweaking git repo https://github.com/ftlc/Rust-Toy-Language
[INFO] tweaked toml for git repo https://github.com/ftlc/Rust-Toy-Language written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/ftlc/Rust-Toy-Language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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 sexp v1.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a5955b50bb9e73d1645b6b958d359458476e5993f713eed0bab0996f2a63df
[INFO] running `Command { std: "docker" "start" "-a" "58a5955b50bb9e73d1645b6b958d359458476e5993f713eed0bab0996f2a63df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a5955b50bb9e73d1645b6b958d359458476e5993f713eed0bab0996f2a63df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a5955b50bb9e73d1645b6b958d359458476e5993f713eed0bab0996f2a63df", kill_on_drop: false }`
[INFO] [stdout] 58a5955b50bb9e73d1645b6b958d359458476e5993f713eed0bab0996f2a63df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e67444740d28972b13d3da728a8a9464a0e1249d690296bbf0aa90c96b9bcb
[INFO] running `Command { std: "docker" "start" "-a" "b0e67444740d28972b13d3da728a8a9464a0e1249d690296bbf0aa90c96b9bcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b0e67444740d28972b13d3da728a8a9464a0e1249d690296bbf0aa90c96b9bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e67444740d28972b13d3da728a8a9464a0e1249d690296bbf0aa90c96b9bcb", kill_on_drop: false }`
[INFO] [stdout] b0e67444740d28972b13d3da728a8a9464a0e1249d690296bbf0aa90c96b9bcb