[INFO] fetching crate squadleader 0.0.2...
[INFO] building squadleader-0.0.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate squadleader 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate squadleader 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate squadleader 0.0.2
[INFO] tweaked toml for crates.io crate squadleader 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate squadleader 0.0.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate squadleader 0.0.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee52f07ec75718f582824dddd6ef1066cb2253c6586eaba2a671396129e88a9
[INFO] running `Command { std: "docker" "start" "-a" "1ee52f07ec75718f582824dddd6ef1066cb2253c6586eaba2a671396129e88a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee52f07ec75718f582824dddd6ef1066cb2253c6586eaba2a671396129e88a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee52f07ec75718f582824dddd6ef1066cb2253c6586eaba2a671396129e88a9", kill_on_drop: false }`
[INFO] [stdout] 1ee52f07ec75718f582824dddd6ef1066cb2253c6586eaba2a671396129e88a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f823d177e5a9e327662b78dc986cdc57ec324b014f112d4962a32e5f1580ca
[INFO] running `Command { std: "docker" "start" "-a" "f0f823d177e5a9e327662b78dc986cdc57ec324b014f112d4962a32e5f1580ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "f0f823d177e5a9e327662b78dc986cdc57ec324b014f112d4962a32e5f1580ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f823d177e5a9e327662b78dc986cdc57ec324b014f112d4962a32e5f1580ca", kill_on_drop: false }`
[INFO] [stdout] f0f823d177e5a9e327662b78dc986cdc57ec324b014f112d4962a32e5f1580ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b03678a6ee1d2083bd76b117d119326171d1a8b95e8b136b2108a8d7f8dd181b
[INFO] running `Command { std: "docker" "start" "-a" "b03678a6ee1d2083bd76b117d119326171d1a8b95e8b136b2108a8d7f8dd181b", kill_on_drop: false }`
[INFO] [stderr]    Compiling squadleader v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]   |
[INFO] [stdout]   = note: 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 `squadleader` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b03678a6ee1d2083bd76b117d119326171d1a8b95e8b136b2108a8d7f8dd181b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03678a6ee1d2083bd76b117d119326171d1a8b95e8b136b2108a8d7f8dd181b", kill_on_drop: false }`
[INFO] [stdout] b03678a6ee1d2083bd76b117d119326171d1a8b95e8b136b2108a8d7f8dd181b