[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] f5906673e6c5ad6205ef6e98fccdc9ea059b54bf
[INFO] checking hawkw/mnemosyne against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Fmnemosyne" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawkw/mnemosyne on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-5/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.6.3
[INFO] [stderr]   Downloaded log v0.3.2
[INFO] [stderr]   Downloaded libc v0.1.10
[INFO] [stderr]   Downloaded bitflags v0.3.2
[INFO] [stderr]   Downloaded clap v1.4.5
[INFO] [stderr]   Downloaded combine v1.0.2
[INFO] [stderr]   Downloaded combine-language v0.7.1
[INFO] [stderr]   Downloaded itertools v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db6ac38ab0586d2fc581af00e8e9cca8652e48f8ea81d0998ee72686f5e0227
[INFO] running `Command { std: "docker" "start" "-a" "5db6ac38ab0586d2fc581af00e8e9cca8652e48f8ea81d0998ee72686f5e0227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db6ac38ab0586d2fc581af00e8e9cca8652e48f8ea81d0998ee72686f5e0227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db6ac38ab0586d2fc581af00e8e9cca8652e48f8ea81d0998ee72686f5e0227", kill_on_drop: false }`
[INFO] [stdout] 5db6ac38ab0586d2fc581af00e8e9cca8652e48f8ea81d0998ee72686f5e0227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a95d67df579fc5056f2adb2ae4901fdc555a5345c322ee4bb2636d7a6067c0c7
[INFO] running `Command { std: "docker" "start" "-a" "a95d67df579fc5056f2adb2ae4901fdc555a5345c322ee4bb2636d7a6067c0c7", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mnemosyne v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking combine v1.0.2
[INFO] [stderr]     Checking itertools v0.4.2
[INFO] [stderr]     Checking ansi_term v0.6.3
[INFO] [stderr]     Checking bitflags v0.3.2
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a95d67df579fc5056f2adb2ae4901fdc555a5345c322ee4bb2636d7a6067c0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95d67df579fc5056f2adb2ae4901fdc555a5345c322ee4bb2636d7a6067c0c7", kill_on_drop: false }`
[INFO] [stdout] a95d67df579fc5056f2adb2ae4901fdc555a5345c322ee4bb2636d7a6067c0c7