[INFO] cloning repository https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-4-jacksonsilver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-4-jacksonsilver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c59c8c68e1fbf7283cffd76cc58bc8cc95b4e73
[INFO] checking Summer-of-Rust/sor-lab-4-jacksonsilver against try#b2686d78d0034bb3435b348d5a63910b074a1990 for pr-104429
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-4-jacksonsilver" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver on toolchain b2686d78d0034bb3435b348d5a63910b074a1990
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2686d78d0034bb3435b348d5a63910b074a1990" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver
[INFO] finished tweaking git repo https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver
[INFO] tweaked toml for git repo https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Summer-of-Rust/sor-lab-4-jacksonsilver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2686d78d0034bb3435b348d5a63910b074a1990" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b2686d78d0034bb3435b348d5a63910b074a1990" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7115904d2433e6d9624d4b4ca9bf77ef12e8ffd5d371b9cc5fe1ad7ca9f7924
[INFO] running `Command { std: "docker" "start" "-a" "a7115904d2433e6d9624d4b4ca9bf77ef12e8ffd5d371b9cc5fe1ad7ca9f7924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7115904d2433e6d9624d4b4ca9bf77ef12e8ffd5d371b9cc5fe1ad7ca9f7924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7115904d2433e6d9624d4b4ca9bf77ef12e8ffd5d371b9cc5fe1ad7ca9f7924", kill_on_drop: false }`
[INFO] [stdout] a7115904d2433e6d9624d4b4ca9bf77ef12e8ffd5d371b9cc5fe1ad7ca9f7924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b2686d78d0034bb3435b348d5a63910b074a1990" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07b8444c186721544d6c8baa0d10523124b8b39930467e811be6f90b834e88b4
[INFO] running `Command { std: "docker" "start" "-a" "07b8444c186721544d6c8baa0d10523124b8b39930467e811be6f90b834e88b4", 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" "07b8444c186721544d6c8baa0d10523124b8b39930467e811be6f90b834e88b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b8444c186721544d6c8baa0d10523124b8b39930467e811be6f90b834e88b4", kill_on_drop: false }`
[INFO] [stdout] 07b8444c186721544d6c8baa0d10523124b8b39930467e811be6f90b834e88b4