[INFO] fetching crate lightningcss 1.0.0-alpha.68... [INFO] checking lightningcss-1.0.0-alpha.68 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate lightningcss 1.0.0-alpha.68 into /workspace/builds/worker-6-tc2/source [INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate lightningcss 1.0.0-alpha.68 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate lightningcss 1.0.0-alpha.68 [INFO] tweaked toml for crates.io crate lightningcss 1.0.0-alpha.68 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lightningcss 1.0.0-alpha.68 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 crates.io crate lightningcss 1.0.0-alpha.68 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f654f07b0b9f65968017d9cb03de2514635bc179b59dce79f42d7a679362d3a4 [INFO] running `Command { std: "docker" "start" "-a" "f654f07b0b9f65968017d9cb03de2514635bc179b59dce79f42d7a679362d3a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f654f07b0b9f65968017d9cb03de2514635bc179b59dce79f42d7a679362d3a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f654f07b0b9f65968017d9cb03de2514635bc179b59dce79f42d7a679362d3a4", kill_on_drop: false }` [INFO] [stdout] f654f07b0b9f65968017d9cb03de2514635bc179b59dce79f42d7a679362d3a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6ffa4964c53baf1955ec66313668edcd4045bdc94286d49f9d5bf0030c418220 [INFO] running `Command { std: "docker" "start" "-a" "6ffa4964c53baf1955ec66313668edcd4045bdc94286d49f9d5bf0030c418220", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking dtoa-short v0.3.5 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling rkyv v0.7.45 [INFO] [stderr] Checking outref v0.1.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rustix v0.38.42 [INFO] [stderr] Compiling serde_json v1.0.133 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking simd-abstraction v0.7.1 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Compiling pastey v0.1.0 [INFO] [stderr] Checking data-url v0.1.1 [INFO] [stderr] Checking base64-simd v0.7.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking rustc-hash v2.1.0 [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling convert_case v0.6.0 [INFO] [stderr] Checking vlq v0.5.1 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling assert_cmd v2.0.16 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Compiling parcel_selectors v0.28.2 [INFO] [stderr] Checking data-encoding v2.6.0 [INFO] [stderr] Compiling indoc v1.0.9 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking tempfile v3.14.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling phf_macros v0.11.2 [INFO] [stderr] Compiling cssparser-macros v0.6.1 [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] Checking ptr_meta v0.1.4 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Checking const-str v0.3.2 [INFO] [stderr] Checking bstr v1.11.1 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking cssparser v0.33.0 [INFO] [stderr] Checking predicates v2.1.5 [INFO] [stderr] Checking globset v0.4.15 [INFO] [stderr] Checking cssparser-color v0.1.0 [INFO] [stderr] Checking ignore v0.4.23 [INFO] [stderr] Checking globwalk v0.9.1 [INFO] [stderr] Checking assert_fs v1.1.2 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking indexmap v2.7.0 [INFO] [stderr] Checking serde-content v0.1.2 [INFO] [stderr] Checking parcel_sourcemap v2.1.1 [INFO] [stderr] Checking lightningcss v1.0.0-alpha.68 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `browsers` is never read [INFO] [stdout] --> src/compat.rs:5745:7 [INFO] [stdout] | [INFO] [stdout] 5745 | browsers.samsung = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `browsers` is never read [INFO] [stdout] --> src/compat.rs:5745:7 [INFO] [stdout] | [INFO] [stdout] 5745 | browsers.samsung = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/properties/custom.rs:1084:28 [INFO] [stdout] | [INFO] [stdout] 1084 | let bits: u32 = unsafe { std::mem::transmute(v) }; [INFO] [stdout] | -------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/values/length.rs:659:74 [INFO] [stdout] | [INFO] [stdout] 659 | (Length::Calc(a), Length::Calc(b)) => return Length::Calc(Box::new(a.add(*b).unwrap())), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/values/percentage.rs:355:44 [INFO] [stdout] | [INFO] [stdout] 355 | DimensionPercentage::Calc(Box::new(a.add(*b).unwrap())) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lightningcss` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/media_query.rs:1847:15 [INFO] [stdout] | [INFO] [stdout] 1847 | fn parse(s: &str) -> MediaQuery { [INFO] [stdout] | ^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 1847 | fn parse(s: &str) -> MediaQuery<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/properties/custom.rs:1084:28 [INFO] [stdout] | [INFO] [stdout] 1084 | let bits: u32 = unsafe { std::mem::transmute(v) }; [INFO] [stdout] | -------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/values/length.rs:659:74 [INFO] [stdout] | [INFO] [stdout] 659 | (Length::Calc(a), Length::Calc(b)) => return Length::Calc(Box::new(a.add(*b).unwrap())), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/values/percentage.rs:355:44 [INFO] [stdout] | [INFO] [stdout] 355 | DimensionPercentage::Calc(Box::new(a.add(*b).unwrap())) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lightningcss` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6ffa4964c53baf1955ec66313668edcd4045bdc94286d49f9d5bf0030c418220", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ffa4964c53baf1955ec66313668edcd4045bdc94286d49f9d5bf0030c418220", kill_on_drop: false }` [INFO] [stdout] 6ffa4964c53baf1955ec66313668edcd4045bdc94286d49f9d5bf0030c418220