[INFO] cloning repository https://github.com/SergioRibera/cssengine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SergioRibera/cssengine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSergioRibera%2Fcssengine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSergioRibera%2Fcssengine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f87e0bef601174708e655d1b074647a5d11fe5d4 [INFO] checking SergioRibera/cssengine 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%2FSergioRibera%2Fcssengine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/SergioRibera/cssengine [INFO] finished tweaking git repo https://github.com/SergioRibera/cssengine [INFO] tweaked toml for git repo https://github.com/SergioRibera/cssengine written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SergioRibera/cssengine 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/SergioRibera/cssengine 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ccae1ae56fd6d2975adaf8dfa132e90b435384853a7fe4bfaa1d01eadb36e88 [INFO] running `Command { std: "docker" "start" "-a" "3ccae1ae56fd6d2975adaf8dfa132e90b435384853a7fe4bfaa1d01eadb36e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ccae1ae56fd6d2975adaf8dfa132e90b435384853a7fe4bfaa1d01eadb36e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ccae1ae56fd6d2975adaf8dfa132e90b435384853a7fe4bfaa1d01eadb36e88", kill_on_drop: false }` [INFO] [stdout] 3ccae1ae56fd6d2975adaf8dfa132e90b435384853a7fe4bfaa1d01eadb36e88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f77965d52b664ac025d12f6bfdaf45a828a6c3294c7789cbcfe31f3787e251dc [INFO] running `Command { std: "docker" "start" "-a" "f77965d52b664ac025d12f6bfdaf45a828a6c3294c7789cbcfe31f3787e251dc", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.43 [INFO] [stderr] Checking bitflags v2.7.0 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking grid v0.15.0 [INFO] [stderr] Checking csscolorparser v0.7.0 [INFO] [stderr] Checking condtype v1.3.0 [INFO] [stderr] Checking regex-lite v0.1.6 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking taffy v0.6.3 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Checking terminal_size v0.4.1 [INFO] [stderr] Checking clap_builder v4.5.26 [INFO] [stderr] Checking cssengine v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `tmp_generated` is never read [INFO] [stdout] --> src/style.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct StyleSheet { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 24 | rules: SmallVec<[(Selector, SmallVec<[Declaration; 32]>); 32]>, [INFO] [stdout] 25 | tmp_generated: SmallVec<[Declaration; 32]>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn css_to_rules(input: &str) -> Result>, Vec> { [INFO] [stdout] | ^^^^ ^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [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] 34 | pub fn css_to_rules(input: &str) -> Result>, Vec>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:41:23 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn analyze(input: &str) -> Result<(), Vec> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 41 | pub fn analyze(input: &str) -> Result<(), Vec>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parser/values.rs:111:22 [INFO] [stdout] | [INFO] [stdout] 111 | Ok(value) => value.try_into().ok(), [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 [INFO] [stdout] --> src/parser/values.rs:119:22 [INFO] [stdout] | [INFO] [stdout] 119 | Ok(value) => value.try_into().ok(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cssengine` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f77965d52b664ac025d12f6bfdaf45a828a6c3294c7789cbcfe31f3787e251dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f77965d52b664ac025d12f6bfdaf45a828a6c3294c7789cbcfe31f3787e251dc", kill_on_drop: false }` [INFO] [stdout] f77965d52b664ac025d12f6bfdaf45a828a6c3294c7789cbcfe31f3787e251dc