[INFO] fetching crate winrt-notification 0.3.1...
[INFO] checking winrt-notification-0.3.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate winrt-notification 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate winrt-notification 0.3.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate winrt-notification 0.3.1
[INFO] finished tweaking crates.io crate winrt-notification 0.3.1
[INFO] tweaked toml for crates.io crate winrt-notification 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate winrt-notification 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows_gen_macros v0.3.1
[INFO] [stderr]   Downloaded windows_gen v0.3.1
[INFO] [stderr]   Downloaded windows_macros v0.3.1
[INFO] [stderr]   Downloaded windows_winmd_macros v0.3.1
[INFO] [stderr]   Downloaded windows_winmd v0.3.1
[INFO] [stderr]   Downloaded windows v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7cae6a66434c7ad38f104018023c0a0a40ba3e836aac3b6cf7e9c04784c4ebd
[INFO] running `Command { std: "docker" "start" "-a" "a7cae6a66434c7ad38f104018023c0a0a40ba3e836aac3b6cf7e9c04784c4ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7cae6a66434c7ad38f104018023c0a0a40ba3e836aac3b6cf7e9c04784c4ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cae6a66434c7ad38f104018023c0a0a40ba3e836aac3b6cf7e9c04784c4ebd", kill_on_drop: false }`
[INFO] [stdout] a7cae6a66434c7ad38f104018023c0a0a40ba3e836aac3b6cf7e9c04784c4ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b37f5c7ed82228beedcbe6ee4120c30cfb38f56b83c3c9bf0cca6286d6038df4
[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" "b37f5c7ed82228beedcbe6ee4120c30cfb38f56b83c3c9bf0cca6286d6038df4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling squote v0.1.2
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling const-sha1 v0.2.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling windows_winmd_macros v0.3.1
[INFO] [stderr]    Compiling windows_gen_macros v0.3.1
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling windows_winmd v0.3.1
[INFO] [stderr]     Checking windows_gen v0.3.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling windows_macros v0.3.1
[INFO] [stderr]    Compiling windows v0.3.1
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/windows-0.3.1/build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     windows_macros::build!();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: Cargo metadata did not contain `workspace_root` key.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `windows`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b37f5c7ed82228beedcbe6ee4120c30cfb38f56b83c3c9bf0cca6286d6038df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37f5c7ed82228beedcbe6ee4120c30cfb38f56b83c3c9bf0cca6286d6038df4", kill_on_drop: false }`
[INFO] [stdout] b37f5c7ed82228beedcbe6ee4120c30cfb38f56b83c3c9bf0cca6286d6038df4