[INFO] fetching crate kayak_ui_macros 0.5.0...
[INFO] checking kayak_ui_macros-0.5.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate kayak_ui_macros 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kayak_ui_macros 0.5.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kayak_ui_macros 0.5.0
[INFO] finished tweaking crates.io crate kayak_ui_macros 0.5.0
[INFO] tweaked toml for crates.io crate kayak_ui_macros 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded find-crate v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 432db325e84c011ba2d0e0d9cbd81489bfd7456c40fcb12b727d9a524deb1ff2
[INFO] running `Command { std: "docker" "start" "-a" "432db325e84c011ba2d0e0d9cbd81489bfd7456c40fcb12b727d9a524deb1ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "432db325e84c011ba2d0e0d9cbd81489bfd7456c40fcb12b727d9a524deb1ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432db325e84c011ba2d0e0d9cbd81489bfd7456c40fcb12b727d9a524deb1ff2", kill_on_drop: false }`
[INFO] [stdout] 432db325e84c011ba2d0e0d9cbd81489bfd7456c40fcb12b727d9a524deb1ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4844ba699af1ab7b3086e26b0a066952475e3aad574e40d8766bc3bd19971c0e
[INFO] running `Command { std: "docker" "start" "-a" "4844ba699af1ab7b3086e26b0a066952475e3aad574e40d8766bc3bd19971c0e", kill_on_drop: false }`
[INFO] [stderr]     Checking find-crate v0.6.3
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking kayak_ui_macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes` and `children` are never read
[INFO] [stdout]   --> src/widget.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Widget {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |     pub attributes: WidgetAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub children: Children,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Widget` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes` and `children` are never read
[INFO] [stdout]   --> src/widget.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Widget {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |     pub attributes: WidgetAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub children: Children,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Widget` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4844ba699af1ab7b3086e26b0a066952475e3aad574e40d8766bc3bd19971c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4844ba699af1ab7b3086e26b0a066952475e3aad574e40d8766bc3bd19971c0e", kill_on_drop: false }`
[INFO] [stdout] 4844ba699af1ab7b3086e26b0a066952475e3aad574e40d8766bc3bd19971c0e