[INFO] fetching crate cargo-winrt 0.7.2...
[INFO] testing cargo-winrt-0.7.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cargo-winrt 0.7.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cargo-winrt 0.7.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-winrt 0.7.2
[INFO] finished tweaking crates.io crate cargo-winrt 0.7.2
[INFO] tweaked toml for crates.io crate cargo-winrt 0.7.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate cargo-winrt 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e6894d58cd9384caf9f022329f3e1bfd8055567d45a8566777ac76c4da0525
[INFO] running `Command { std: "docker" "start" "-a" "a7e6894d58cd9384caf9f022329f3e1bfd8055567d45a8566777ac76c4da0525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e6894d58cd9384caf9f022329f3e1bfd8055567d45a8566777ac76c4da0525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e6894d58cd9384caf9f022329f3e1bfd8055567d45a8566777ac76c4da0525", kill_on_drop: false }`
[INFO] [stdout] a7e6894d58cd9384caf9f022329f3e1bfd8055567d45a8566777ac76c4da0525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283c80761d6fa56e05ca40b52e4a2d14c900bcb3b6dccea12755cf3f484614ff
[INFO] running `Command { std: "docker" "start" "-a" "283c80761d6fa56e05ca40b52e4a2d14c900bcb3b6dccea12755cf3f484614ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pico-args v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.33+curl-7.71.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling cargo_toml v0.8.0
[INFO] [stderr]    Compiling cargo-winrt v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]    --> src/main.rs:805:26
[INFO] [stdout]     |
[INFO] [stdout] 805 |                 std::os::windows::fs::symlink_file(&path, dll_path)?;
[INFO] [stdout]     |                          ^^^^^^^ could not find `windows` in `os`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-winrt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "283c80761d6fa56e05ca40b52e4a2d14c900bcb3b6dccea12755cf3f484614ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283c80761d6fa56e05ca40b52e4a2d14c900bcb3b6dccea12755cf3f484614ff", kill_on_drop: false }`
[INFO] [stdout] 283c80761d6fa56e05ca40b52e4a2d14c900bcb3b6dccea12755cf3f484614ff