[INFO] cloning repository https://github.com/hawkw/mnemosyne
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hawkw/mnemosyne" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Fmnemosyne", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Fmnemosyne'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02d777d037b58343911ab34898e37b77db50b55b
[INFO] documenting hawkw/mnemosyne against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Fmnemosyne" "/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/hawkw/mnemosyne on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hawkw/mnemosyne
[INFO] finished tweaking git repo https://github.com/hawkw/mnemosyne
[INFO] tweaked toml for git repo https://github.com/hawkw/mnemosyne written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hawkw/mnemosyne already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72ea36d430283f86f8c97fbedfae94fb8eb7606ff4a1c6b367ae1c27d73b1c16
[INFO] running `Command { std: "docker" "start" "-a" "72ea36d430283f86f8c97fbedfae94fb8eb7606ff4a1c6b367ae1c27d73b1c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72ea36d430283f86f8c97fbedfae94fb8eb7606ff4a1c6b367ae1c27d73b1c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ea36d430283f86f8c97fbedfae94fb8eb7606ff4a1c6b367ae1c27d73b1c16", kill_on_drop: false }`
[INFO] [stdout] 72ea36d430283f86f8c97fbedfae94fb8eb7606ff4a1c6b367ae1c27d73b1c16
[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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 125da299f8e206f2d38b248a4e387e93e97dcd7afcc379c2d5c9585662afd91c
[INFO] running `Command { std: "docker" "start" "-a" "125da299f8e206f2d38b248a4e387e93e97dcd7afcc379c2d5c9585662afd91c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnemosyne v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking combine v1.0.2
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]     Checking itertools v0.4.2
[INFO] [stderr]     Checking strsim v0.4.0
[INFO] [stderr]     Checking bitflags v0.3.2
[INFO] [stderr]     Checking ansi_term v0.6.3
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]   --> core/build.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | // }
[INFO] [stdout]    |      ^ consider adding a `main` function to `core/build.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 `mnemosyne` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "125da299f8e206f2d38b248a4e387e93e97dcd7afcc379c2d5c9585662afd91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125da299f8e206f2d38b248a4e387e93e97dcd7afcc379c2d5c9585662afd91c", kill_on_drop: false }`
[INFO] [stdout] 125da299f8e206f2d38b248a4e387e93e97dcd7afcc379c2d5c9585662afd91c