[INFO] fetching crate hotcorners 0.2.1...
[INFO] testing hotcorners-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate hotcorners 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate hotcorners 0.2.1
[INFO] finished tweaking crates.io crate hotcorners 0.2.1
[INFO] tweaked toml for crates.io crate hotcorners 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotcorners 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hotcorners 0.2.1 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" "+562dee4820c458d823175268e41601d4c060588a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.22.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.22.1
[INFO] [stderr]   Downloaded windows v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c02c4575b922e986781aec6658872d7aeeff6113d61e4c7565142b359676821
[INFO] running `Command { std: "docker" "start" "-a" "7c02c4575b922e986781aec6658872d7aeeff6113d61e4c7565142b359676821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c02c4575b922e986781aec6658872d7aeeff6113d61e4c7565142b359676821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c02c4575b922e986781aec6658872d7aeeff6113d61e4c7565142b359676821", kill_on_drop: false }`
[INFO] [stdout] 7c02c4575b922e986781aec6658872d7aeeff6113d61e4c7565142b359676821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c14e992f0ed8483453e719f8fd6052c7efb5d7288e7be3f27f35b328c6d803e3
[INFO] running `Command { std: "docker" "start" "-a" "c14e992f0ed8483453e719f8fd6052c7efb5d7288e7be3f27f35b328c6d803e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows v0.22.1
[INFO] [stderr]    Compiling hotcorners v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `hotcorners`
[INFO] [stdout]    --> src/main.rs:222:2
[INFO] [stdout]     |
[INFO] [stdout] 222 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `src/main.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 `hotcorners` (bin "hotcorners") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c14e992f0ed8483453e719f8fd6052c7efb5d7288e7be3f27f35b328c6d803e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14e992f0ed8483453e719f8fd6052c7efb5d7288e7be3f27f35b328c6d803e3", kill_on_drop: false }`
[INFO] [stdout] c14e992f0ed8483453e719f8fd6052c7efb5d7288e7be3f27f35b328c6d803e3