[INFO] cloning repository https://github.com/JubiHugo/JubiHugo-Tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JubiHugo/JubiHugo-Tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJubiHugo%2FJubiHugo-Tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJubiHugo%2FJubiHugo-Tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75a592887d61347ab6570a90f41196826b157aaf
[INFO] checking JubiHugo/JubiHugo-Tools against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJubiHugo%2FJubiHugo-Tools" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JubiHugo/JubiHugo-Tools
[INFO] finished tweaking git repo https://github.com/JubiHugo/JubiHugo-Tools
[INFO] tweaked toml for git repo https://github.com/JubiHugo/JubiHugo-Tools written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JubiHugo/JubiHugo-Tools on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JubiHugo/JubiHugo-Tools 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9078ef1060f5f2651f1cb5bec17dc7a1ddcba5dac68ca04f60303043d24c8bdb
[INFO] running `Command { std: "docker" "start" "-a" "9078ef1060f5f2651f1cb5bec17dc7a1ddcba5dac68ca04f60303043d24c8bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9078ef1060f5f2651f1cb5bec17dc7a1ddcba5dac68ca04f60303043d24c8bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9078ef1060f5f2651f1cb5bec17dc7a1ddcba5dac68ca04f60303043d24c8bdb", kill_on_drop: false }`
[INFO] [stdout] 9078ef1060f5f2651f1cb5bec17dc7a1ddcba5dac68ca04f60303043d24c8bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca1b15003d9cbc2c305e97a0edb123f2a49512ac48fb6b31aaef30749b7ebb2
[INFO] running `Command { std: "docker" "start" "-a" "4ca1b15003d9cbc2c305e97a0edb123f2a49512ac48fb6b31aaef30749b7ebb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling jubihugo-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]  --> build.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 | }
[INFO] [stdout]   |  ^ consider adding a `main` function to `build.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 `jubihugo-tools` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4ca1b15003d9cbc2c305e97a0edb123f2a49512ac48fb6b31aaef30749b7ebb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca1b15003d9cbc2c305e97a0edb123f2a49512ac48fb6b31aaef30749b7ebb2", kill_on_drop: false }`
[INFO] [stdout] 4ca1b15003d9cbc2c305e97a0edb123f2a49512ac48fb6b31aaef30749b7ebb2