[INFO] fetching crate percy-preview-app 0.0.3...
[INFO] checking percy-preview-app-0.0.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate percy-preview-app 0.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate percy-preview-app 0.0.3
[INFO] finished tweaking crates.io crate percy-preview-app 0.0.3
[INFO] tweaked toml for crates.io crate percy-preview-app 0.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate percy-preview-app 0.0.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding app-world v0.1.8 (available: v0.3.0)
[INFO] [stderr]       Adding percy-dom v0.7.5 (available: v0.10.0)
[INFO] [stderr]       Adding percy-router v0.3.7 (available: v0.5.1)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de2514f6e0b00ac240a6f1f960f807026ae0ce4f5d89d1b29b3101a0adaabee1
[INFO] running `Command { std: "docker" "start" "-a" "de2514f6e0b00ac240a6f1f960f807026ae0ce4f5d89d1b29b3101a0adaabee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de2514f6e0b00ac240a6f1f960f807026ae0ce4f5d89d1b29b3101a0adaabee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2514f6e0b00ac240a6f1f960f807026ae0ce4f5d89d1b29b3101a0adaabee1", kill_on_drop: false }`
[INFO] [stdout] de2514f6e0b00ac240a6f1f960f807026ae0ce4f5d89d1b29b3101a0adaabee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25782b2e71c2547809116fc7cc291825d474cb087da17a7d4d60fd9e28d7e59b
[INFO] running `Command { std: "docker" "start" "-a" "25782b2e71c2547809116fc7cc291825d474cb087da17a7d4d60fd9e28d7e59b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking html-validation v0.1.2
[INFO] [stderr]     Checking app-world v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling percy-router-macro v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling html-macro v0.2.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]     Checking js-sys v0.3.82
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling sunbeam-ir v0.0.3-alpha
[INFO] [stderr]    Compiling sunbeam-build v0.0.3-alpha
[INFO] [stderr]    Compiling sunbeam-macro v0.0.3-alpha
[INFO] [stderr]    Compiling percy-preview-app v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<sunbeam_ir::Classes, ParseCssError>
[INFO] [stdout]   --> build.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let css = sunbeam_build::parse_rust_files(files, &config).unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `percy-preview-app` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25782b2e71c2547809116fc7cc291825d474cb087da17a7d4d60fd9e28d7e59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25782b2e71c2547809116fc7cc291825d474cb087da17a7d4d60fd9e28d7e59b", kill_on_drop: false }`
[INFO] [stdout] 25782b2e71c2547809116fc7cc291825d474cb087da17a7d4d60fd9e28d7e59b