[INFO] cloning repository https://github.com/Nida759/FnMut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nida759/FnMut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNida759%2FFnMut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNida759%2FFnMut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1e674e701c62fe4bb56f87b5cba866027e30722
[INFO] testing Nida759/FnMut against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNida759%2FFnMut" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nida759/FnMut on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nida759/FnMut
[INFO] finished tweaking git repo https://github.com/Nida759/FnMut
[INFO] tweaked toml for git repo https://github.com/Nida759/FnMut written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/Nida759/FnMut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b494058ec2abbce3d1b98bc1aaeb0954961f0a369c2d863a40ba42e1059be0e
[INFO] running `Command { std: "docker" "start" "-a" "6b494058ec2abbce3d1b98bc1aaeb0954961f0a369c2d863a40ba42e1059be0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b494058ec2abbce3d1b98bc1aaeb0954961f0a369c2d863a40ba42e1059be0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b494058ec2abbce3d1b98bc1aaeb0954961f0a369c2d863a40ba42e1059be0e", kill_on_drop: false }`
[INFO] [stdout] 6b494058ec2abbce3d1b98bc1aaeb0954961f0a369c2d863a40ba42e1059be0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2637b1a1eef9410514f093045b54279411df841548ba3652337b4f6ca13370a
[INFO] running `Command { std: "docker" "start" "-a" "e2637b1a1eef9410514f093045b54279411df841548ba3652337b4f6ca13370a", kill_on_drop: false }`
[INFO] [stderr]    Compiling FnMut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `FnMut`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | // }
[INFO] [stdout]    |     ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `FnMut` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e2637b1a1eef9410514f093045b54279411df841548ba3652337b4f6ca13370a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2637b1a1eef9410514f093045b54279411df841548ba3652337b4f6ca13370a", kill_on_drop: false }`
[INFO] [stdout] e2637b1a1eef9410514f093045b54279411df841548ba3652337b4f6ca13370a