[INFO] cloning repository https://github.com/kennykerr/win2d-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennykerr/win2d-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennykerr%2Fwin2d-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennykerr%2Fwin2d-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8113b6282b1e854154ebdbf6d26338c198e08760
[INFO] checking kennykerr/win2d-rs against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennykerr%2Fwin2d-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennykerr/win2d-rs 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 git repo https://github.com/kennykerr/win2d-rs
[INFO] finished tweaking git repo https://github.com/kennykerr/win2d-rs
[INFO] tweaked toml for git repo https://github.com/kennykerr/win2d-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kennykerr/win2d-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fbf207612ebc7c3610e7e2fc939646d3e9c970c860b4f5c8d4507db3507c31ba
[INFO] running `Command { std: "docker" "start" "-a" "fbf207612ebc7c3610e7e2fc939646d3e9c970c860b4f5c8d4507db3507c31ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf207612ebc7c3610e7e2fc939646d3e9c970c860b4f5c8d4507db3507c31ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf207612ebc7c3610e7e2fc939646d3e9c970c860b4f5c8d4507db3507c31ba", kill_on_drop: false }`
[INFO] [stdout] fbf207612ebc7c3610e7e2fc939646d3e9c970c860b4f5c8d4507db3507c31ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cf48afece51bd8d99584cc887b3d0567deb11a3b4a6370b2bafd8111cd1aa21
[INFO] running `Command { std: "docker" "start" "-a" "9cf48afece51bd8d99584cc887b3d0567deb11a3b4a6370b2bafd8111cd1aa21", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling squote v0.1.2
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling const-sha1 v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling winmd-macros v0.8.0 (https://github.com/microsoft/winrt-rs#bcd0f5f7)
[INFO] [stderr]    Compiling winrt-gen-macros v0.8.0 (https://github.com/microsoft/winrt-rs#bcd0f5f7)
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]    Compiling winmd v0.8.0 (https://github.com/microsoft/winrt-rs#bcd0f5f7)
[INFO] [stderr]     Checking winrt-gen v0.8.0 (https://github.com/microsoft/winrt-rs#bcd0f5f7)
[INFO] [stderr]    Compiling winrt-macros v0.8.0 (https://github.com/microsoft/winrt-rs#bcd0f5f7)
[INFO] [stderr]    Compiling winrt v0.8.0 (https://github.com/microsoft/winrt-rs#bcd0f5f7)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/winrt-rs-5b24704ba4b09dbb/bcd0f5f/build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     winrt_macros::build!();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: Failed to parse `cargo metadata`: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winrt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9cf48afece51bd8d99584cc887b3d0567deb11a3b4a6370b2bafd8111cd1aa21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf48afece51bd8d99584cc887b3d0567deb11a3b4a6370b2bafd8111cd1aa21", kill_on_drop: false }`
[INFO] [stdout] 9cf48afece51bd8d99584cc887b3d0567deb11a3b4a6370b2bafd8111cd1aa21