[INFO] cloning repository https://github.com/pydsigner/python-lightningcss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pydsigner/python-lightningcss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpydsigner%2Fpython-lightningcss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpydsigner%2Fpython-lightningcss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ed867c9af53e9f14ebb0b7a4eca0bc21c7dfd53
[INFO] checking pydsigner/python-lightningcss against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpydsigner%2Fpython-lightningcss" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pydsigner/python-lightningcss
[INFO] finished tweaking git repo https://github.com/pydsigner/python-lightningcss
[INFO] tweaked toml for git repo https://github.com/pydsigner/python-lightningcss written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pydsigner/python-lightningcss 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] crate git repo https://github.com/pydsigner/python-lightningcss already has a lockfile, it will not be regenerated
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f162d99a398f7b2d8622cbd101ad2931def33be52465f807b58189c11c35d274
[INFO] running `Command { std: "docker" "start" "-a" "f162d99a398f7b2d8622cbd101ad2931def33be52465f807b58189c11c35d274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f162d99a398f7b2d8622cbd101ad2931def33be52465f807b58189c11c35d274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f162d99a398f7b2d8622cbd101ad2931def33be52465f807b58189c11c35d274", kill_on_drop: false }`
[INFO] [stdout] f162d99a398f7b2d8622cbd101ad2931def33be52465f807b58189c11c35d274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 33e8614ab6b9360bb4b1a27fff6246a00f3a725f6d7aa7cf4b83e8d13a9b9343
[INFO] running `Command { std: "docker" "start" "-a" "33e8614ab6b9360bb4b1a27fff6246a00f3a725f6d7aa7cf4b83e8d13a9b9343", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]     Checking outref v0.1.0
[INFO] [stderr]    Compiling parcel_selectors v0.28.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking data-url v0.1.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking simd-abstraction v0.7.1
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking vlq v0.5.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking data-encoding v2.8.0
[INFO] [stderr]     Checking base64-simd v0.7.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling pyo3-build-config v0.24.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling pyo3-ffi v0.24.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.0
[INFO] [stderr]    Compiling pyo3 v0.24.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.45
[INFO] [stderr]    Compiling const-str-proc-macro v0.3.2
[INFO] [stderr]    Compiling lightningcss-derive v1.0.0-alpha.43
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking const-str v0.3.2
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking cssparser v0.33.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking cssparser-color v0.1.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling pyo3-macros v0.24.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]     Checking browserslist-rs v0.17.0
[INFO] [stderr]     Checking parcel_sourcemap v2.1.1
[INFO] [stderr]     Checking lightningcss v1.0.0-alpha.65
[INFO] [stderr]     Checking python-lightningcss v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/lib.rs:67:92
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn calc_parser_flags(nesting: bool, custom_media: bool, deep_selector_combinator: bool) -> u8 {
[INFO] [stdout]    |                                                                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mk_parser_options(filename: &str,
[INFO] [stdout]    |                                ^^^^ the lifetime is elided here
[INFO] [stdout] 76 |                      error_recovery: bool,
[INFO] [stdout] 77 |                      parser_flags: u8) -> ParserOptions {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           the same lifetime is hidden here
[INFO] [stdout]    |                                           the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |                      parser_flags: u8) -> ParserOptions<'_> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `python-lightningcss` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/lib.rs:67:92
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn calc_parser_flags(nesting: bool, custom_media: bool, deep_selector_combinator: bool) -> u8 {
[INFO] [stdout]    |                                                                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mk_parser_options(filename: &str,
[INFO] [stdout]    |                                ^^^^ the lifetime is elided here
[INFO] [stdout] 76 |                      error_recovery: bool,
[INFO] [stdout] 77 |                      parser_flags: u8) -> ParserOptions {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           the same lifetime is hidden here
[INFO] [stdout]    |                                           the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |                      parser_flags: u8) -> ParserOptions<'_> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `python-lightningcss` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "33e8614ab6b9360bb4b1a27fff6246a00f3a725f6d7aa7cf4b83e8d13a9b9343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e8614ab6b9360bb4b1a27fff6246a00f3a725f6d7aa7cf4b83e8d13a9b9343", kill_on_drop: false }`
[INFO] [stdout] 33e8614ab6b9360bb4b1a27fff6246a00f3a725f6d7aa7cf4b83e8d13a9b9343