[INFO] cloning repository https://github.com/kris524/arq-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kris524/arq-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkris524%2Farq-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkris524%2Farq-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3f5d35e036753b847a61e890859b52ab94f04b4
[INFO] checking kris524/arq-rust against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkris524%2Farq-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kris524/arq-rust on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kris524/arq-rust
[INFO] finished tweaking git repo https://github.com/kris524/arq-rust
[INFO] tweaked toml for git repo https://github.com/kris524/arq-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kris524/arq-rust 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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 958399c023822df2a603aa2a1a75b670f44cca3e3b78e449c220de8d2af1c1b6
[INFO] running `Command { std: "docker" "start" "-a" "958399c023822df2a603aa2a1a75b670f44cca3e3b78e449c220de8d2af1c1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "958399c023822df2a603aa2a1a75b670f44cca3e3b78e449c220de8d2af1c1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958399c023822df2a603aa2a1a75b670f44cca3e3b78e449c220de8d2af1c1b6", kill_on_drop: false }`
[INFO] [stdout] 958399c023822df2a603aa2a1a75b670f44cca3e3b78e449c220de8d2af1c1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc54afa7b22fd37e62f9abe16168f8142e86c60a2799cc95b3c9923ec5c0dea
[INFO] running `Command { std: "docker" "start" "-a" "bcc54afa7b22fd37e62f9abe16168f8142e86c60a2799cc95b3c9923ec5c0dea", kill_on_drop: false }`
[INFO] [stderr]     Checking arq-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `arq_rust`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arq-rust` (bin "arq-rust") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bcc54afa7b22fd37e62f9abe16168f8142e86c60a2799cc95b3c9923ec5c0dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc54afa7b22fd37e62f9abe16168f8142e86c60a2799cc95b3c9923ec5c0dea", kill_on_drop: false }`
[INFO] [stdout] bcc54afa7b22fd37e62f9abe16168f8142e86c60a2799cc95b3c9923ec5c0dea