[INFO] cloning repository https://github.com/Aaqib-kk/Assignment_3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aaqib-kk/Assignment_3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2FAssignment_3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2FAssignment_3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0a9cb776bf606faf03cd935e9620327784692f4
[INFO] checking Aaqib-kk/Assignment_3 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2FAssignment_3" "/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/Aaqib-kk/Assignment_3 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aaqib-kk/Assignment_3
[INFO] finished tweaking git repo https://github.com/Aaqib-kk/Assignment_3
[INFO] tweaked toml for git repo https://github.com/Aaqib-kk/Assignment_3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Aaqib-kk/Assignment_3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75acfd20863eb85da4ceef14a6184d6642c44a610ee8c270eb181239a408ed8b
[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" "75acfd20863eb85da4ceef14a6184d6642c44a610ee8c270eb181239a408ed8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75acfd20863eb85da4ceef14a6184d6642c44a610ee8c270eb181239a408ed8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75acfd20863eb85da4ceef14a6184d6642c44a610ee8c270eb181239a408ed8b", kill_on_drop: false }`
[INFO] [stdout] 75acfd20863eb85da4ceef14a6184d6642c44a610ee8c270eb181239a408ed8b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe423eb1ab474059e8ef38694a8fc4e782ca5516760f8ee95e6341fbfc6fca2
[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" "abe423eb1ab474059e8ef38694a8fc4e782ca5516760f8ee95e6341fbfc6fca2", kill_on_drop: false }`
[INFO] [stderr]     Checking assignment_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `assignment_3`
[INFO] [stdout]   --> src/main.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | // }
[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 `assignment_3`.
[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" "abe423eb1ab474059e8ef38694a8fc4e782ca5516760f8ee95e6341fbfc6fca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe423eb1ab474059e8ef38694a8fc4e782ca5516760f8ee95e6341fbfc6fca2", kill_on_drop: false }`
[INFO] [stdout] abe423eb1ab474059e8ef38694a8fc4e782ca5516760f8ee95e6341fbfc6fca2