[INFO] cloning repository https://github.com/EugenyCh/RustGCD
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EugenyCh/RustGCD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEugenyCh%2FRustGCD", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEugenyCh%2FRustGCD'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5780b5bd16c97548bb191a0382bc3123863d377b
[INFO] testing EugenyCh/RustGCD against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEugenyCh%2FRustGCD" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EugenyCh/RustGCD on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EugenyCh/RustGCD
[INFO] finished tweaking git repo https://github.com/EugenyCh/RustGCD
[INFO] tweaked toml for git repo https://github.com/EugenyCh/RustGCD written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/EugenyCh/RustGCD already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b191cbd033e9f651cd02eaefacf222e9d208d9f5aa1b0d0bcc619c5454661f6
[INFO] running `Command { std: "docker" "start" "-a" "6b191cbd033e9f651cd02eaefacf222e9d208d9f5aa1b0d0bcc619c5454661f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b191cbd033e9f651cd02eaefacf222e9d208d9f5aa1b0d0bcc619c5454661f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b191cbd033e9f651cd02eaefacf222e9d208d9f5aa1b0d0bcc619c5454661f6", kill_on_drop: false }`
[INFO] [stdout] 6b191cbd033e9f651cd02eaefacf222e9d208d9f5aa1b0d0bcc619c5454661f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f84047758847ae4aa0154241b50c695ece30ff069005ffbcea964379b841a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9f84047758847ae4aa0154241b50c695ece30ff069005ffbcea964379b841a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustGCD v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `RustGCD`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / fn gcd(mut n: u64, mut m: u64) -> u64 {
[INFO] [stdout] 2  | |     assert!(n != 0 && m != 0);
[INFO] [stdout] 3  | |     while m != 0 {
[INFO] [stdout] 4  | |         if m < n {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |                3 * 11);
[INFO] [stdout] 20 | | }
[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 `RustGCD`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b9f84047758847ae4aa0154241b50c695ece30ff069005ffbcea964379b841a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f84047758847ae4aa0154241b50c695ece30ff069005ffbcea964379b841a2", kill_on_drop: false }`
[INFO] [stdout] b9f84047758847ae4aa0154241b50c695ece30ff069005ffbcea964379b841a2