[INFO] fetching crate tts_winrt_bindings 0.2.0...
[INFO] testing tts_winrt_bindings-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tts_winrt_bindings 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tts_winrt_bindings 0.2.0
[INFO] finished tweaking crates.io crate tts_winrt_bindings 0.2.0
[INFO] tweaked toml for crates.io crate tts_winrt_bindings 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tts_winrt_bindings 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding winrt v0.7.2 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha1 v0.6.1
[INFO] [stderr]   Downloaded winrt_gen v0.7.2
[INFO] [stderr]   Downloaded winrt_gen_macros v0.7.2
[INFO] [stderr]   Downloaded winrt_macros v0.7.2
[INFO] [stderr]   Downloaded winrt v0.7.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9702f97293a2cb0350dfc7be72bfe30f828a33dc5b7afabb75f531768943858a
[INFO] running `Command { std: "docker" "start" "-a" "9702f97293a2cb0350dfc7be72bfe30f828a33dc5b7afabb75f531768943858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9702f97293a2cb0350dfc7be72bfe30f828a33dc5b7afabb75f531768943858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9702f97293a2cb0350dfc7be72bfe30f828a33dc5b7afabb75f531768943858a", kill_on_drop: false }`
[INFO] [stdout] 9702f97293a2cb0350dfc7be72bfe30f828a33dc5b7afabb75f531768943858a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec457a757a2afcacbc32c8e399d3fdb6e055a0a35dc2ec68a2a6f5a1d0762aaf
[INFO] running `Command { std: "docker" "start" "-a" "ec457a757a2afcacbc32c8e399d3fdb6e055a0a35dc2ec68a2a6f5a1d0762aaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling winrt_gen_macros v0.7.2
[INFO] [stderr]    Compiling winrt_gen v0.7.2
[INFO] [stderr]    Compiling winrt_macros v0.7.2
[INFO] [stderr]    Compiling winrt v0.7.2
[INFO] [stderr]    Compiling tts_winrt_bindings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 'windir' environment variable is not set. Perhaps you're trying to use operating system dependencies on a non-Windows OS?
[INFO] [stdout]  --> build.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |         os
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build` in this scope
[INFO] [stdout]   --> build.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     build();
[INFO] [stdout]    |     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tts_winrt_bindings` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec457a757a2afcacbc32c8e399d3fdb6e055a0a35dc2ec68a2a6f5a1d0762aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec457a757a2afcacbc32c8e399d3fdb6e055a0a35dc2ec68a2a6f5a1d0762aaf", kill_on_drop: false }`
[INFO] [stdout] ec457a757a2afcacbc32c8e399d3fdb6e055a0a35dc2ec68a2a6f5a1d0762aaf