[INFO] cloning repository https://github.com/Summer-of-Rust/sor-lab-2-michellemurphy529
[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-2-michellemurphy529" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-2-michellemurphy529", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-2-michellemurphy529'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14eb2924cd3d7fb68d5acd1240d981f75e5ada01
[INFO] checking Summer-of-Rust/sor-lab-2-michellemurphy529 against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-2-michellemurphy529" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Summer-of-Rust/sor-lab-2-michellemurphy529
[INFO] finished tweaking git repo https://github.com/Summer-of-Rust/sor-lab-2-michellemurphy529
[INFO] tweaked toml for git repo https://github.com/Summer-of-Rust/sor-lab-2-michellemurphy529 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Summer-of-Rust/sor-lab-2-michellemurphy529 on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Summer-of-Rust/sor-lab-2-michellemurphy529 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10633af6771c648265a0b25e776f0fbe2125a48adf1dcd89ad1213faebdfca81
[INFO] running `Command { std: "docker" "start" "-a" "10633af6771c648265a0b25e776f0fbe2125a48adf1dcd89ad1213faebdfca81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10633af6771c648265a0b25e776f0fbe2125a48adf1dcd89ad1213faebdfca81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10633af6771c648265a0b25e776f0fbe2125a48adf1dcd89ad1213faebdfca81", kill_on_drop: false }`
[INFO] [stdout] 10633af6771c648265a0b25e776f0fbe2125a48adf1dcd89ad1213faebdfca81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c19f53651e804e6a9ba991dd83fec3d233c8d0ad5ef64b9846c55e7c97ab2cd8
[INFO] running `Command { std: "docker" "start" "-a" "c19f53651e804e6a9ba991dd83fec3d233c8d0ad5ef64b9846c55e7c97ab2cd8", kill_on_drop: false }`
[INFO] [stderr]     Checking sor-lab-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c19f53651e804e6a9ba991dd83fec3d233c8d0ad5ef64b9846c55e7c97ab2cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19f53651e804e6a9ba991dd83fec3d233c8d0ad5ef64b9846c55e7c97ab2cd8", kill_on_drop: false }`
[INFO] [stdout] c19f53651e804e6a9ba991dd83fec3d233c8d0ad5ef64b9846c55e7c97ab2cd8