[INFO] fetching crate cargo-winrt 0.7.2...
[INFO] checking cargo-winrt-0.7.2 against beta for pr-78714
[INFO] extracting crate cargo-winrt 0.7.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-winrt 0.7.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc9188172fbbd7bacdf7ffb72ce82816b0f60432fe58f1f85a43985eb771b05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bdc9188172fbbd7bacdf7ffb72ce82816b0f60432fe58f1f85a43985eb771b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc9188172fbbd7bacdf7ffb72ce82816b0f60432fe58f1f85a43985eb771b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc9188172fbbd7bacdf7ffb72ce82816b0f60432fe58f1f85a43985eb771b05", kill_on_drop: false }`
[INFO] [stdout] bdc9188172fbbd7bacdf7ffb72ce82816b0f60432fe58f1f85a43985eb771b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90db6edb0a594cf4e28b7d7857dba2b6cb0cd8ffe946e675391891179a9c55c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90db6edb0a594cf4e28b7d7857dba2b6cb0cd8ffe946e675391891179a9c55c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking pico-args v0.3.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.33+curl-7.71.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking cargo_toml v0.8.0
[INFO] [stderr]     Checking 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[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "90db6edb0a594cf4e28b7d7857dba2b6cb0cd8ffe946e675391891179a9c55c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90db6edb0a594cf4e28b7d7857dba2b6cb0cd8ffe946e675391891179a9c55c7", kill_on_drop: false }`
[INFO] [stdout] 90db6edb0a594cf4e28b7d7857dba2b6cb0cd8ffe946e675391891179a9c55c7