[INFO] fetching crate winver 1.0.0...
[INFO] testing winver-1.0.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate winver 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate winver 1.0.0
[INFO] finished tweaking crates.io crate winver 1.0.0
[INFO] tweaked toml for crates.io crate winver 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate winver 1.0.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to highest compatible versions
[INFO] [stderr]       Adding windows v0.48.0 (available: v0.62.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121
[INFO] running `Command { std: "docker" "start" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.48.5
[INFO] [stderr]    Compiling windows-targets v0.48.5
[INFO] [stderr]    Compiling windows v0.48.0
[INFO] [stderr]    Compiling winver v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 'winver' crate is only available on Windows
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | compile_error!("'winver' crate is only available on Windows");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winver` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121", kill_on_drop: false }`
[INFO] [stdout] 000a905ba8e0473ab7d5b695efe124a6d919a46ca6eb3ccd4b606845b8404121
