[INFO] cloning repository https://github.com/rockisch/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rockisch/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockisch%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockisch%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8227422855997449f4277574d34d1e6c93a74d03
[INFO] testing rockisch/project-euler-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockisch%2Fproject-euler-rust" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rockisch/project-euler-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rockisch/project-euler-rust
[INFO] finished tweaking git repo https://github.com/rockisch/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/rockisch/project-euler-rust written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/rockisch/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82e19c063b43b99be912978da1c433f3247e00c9a0188fa38e327a9ec211ccb8
[INFO] running `Command { std: "docker" "start" "-a" "82e19c063b43b99be912978da1c433f3247e00c9a0188fa38e327a9ec211ccb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82e19c063b43b99be912978da1c433f3247e00c9a0188fa38e327a9ec211ccb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e19c063b43b99be912978da1c433f3247e00c9a0188fa38e327a9ec211ccb8", kill_on_drop: false }`
[INFO] [stdout] 82e19c063b43b99be912978da1c433f3247e00c9a0188fa38e327a9ec211ccb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb025ac561fb57e2eeebf6125d79f5fd65ed12095681775ffc951cef31d6967
[INFO] running `Command { std: "docker" "start" "-a" "8eb025ac561fb57e2eeebf6125d79f5fd65ed12095681775ffc951cef31d6967", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `rust_euler`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / mod fib;
[INFO] [stdout] 2   | |
[INFO] [stdout] 3   | | use fib::Fibonacci;
[INFO] [stdout] 4   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |     }
[INFO] [stdout] 108 | | }
[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 `rust-euler` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8eb025ac561fb57e2eeebf6125d79f5fd65ed12095681775ffc951cef31d6967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb025ac561fb57e2eeebf6125d79f5fd65ed12095681775ffc951cef31d6967", kill_on_drop: false }`
[INFO] [stdout] 8eb025ac561fb57e2eeebf6125d79f5fd65ed12095681775ffc951cef31d6967