[INFO] fetching crate tts_winrt_bindings 0.2.0...
[INFO] testing tts_winrt_bindings-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate tts_winrt_bindings 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tts_winrt_bindings 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91a72c3ccaf12731159e40c1a21cc5953485b705e7d4a9425aac9cf21c93052f
[INFO] running `Command { std: "docker" "start" "-a" "91a72c3ccaf12731159e40c1a21cc5953485b705e7d4a9425aac9cf21c93052f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a72c3ccaf12731159e40c1a21cc5953485b705e7d4a9425aac9cf21c93052f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a72c3ccaf12731159e40c1a21cc5953485b705e7d4a9425aac9cf21c93052f", kill_on_drop: false }`
[INFO] [stdout] 91a72c3ccaf12731159e40c1a21cc5953485b705e7d4a9425aac9cf21c93052f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f4344a619979d59ce4831f749561c691d4194e2680e02f47aa84deb6b4c05a
[INFO] running `Command { std: "docker" "start" "-a" "66f4344a619979d59ce4831f749561c691d4194e2680e02f47aa84deb6b4c05a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[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] error: aborting due to 2 previous errors
[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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "66f4344a619979d59ce4831f749561c691d4194e2680e02f47aa84deb6b4c05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f4344a619979d59ce4831f749561c691d4194e2680e02f47aa84deb6b4c05a", kill_on_drop: false }`
[INFO] [stdout] 66f4344a619979d59ce4831f749561c691d4194e2680e02f47aa84deb6b4c05a