[INFO] fetching crate parlex 0.3.0... [INFO] checking parlex-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate parlex 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate parlex 0.3.0 [INFO] finished tweaking crates.io crate parlex 0.3.0 [INFO] tweaked toml for crates.io crate parlex 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate parlex 0.3.0 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 parlex 0.3.0 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-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] d95118f636696371769e7b0c4f4ecc51e29db01339b89217b4193083bcfb0e2b [INFO] running `Command { std: "docker" "start" "-a" "d95118f636696371769e7b0c4f4ecc51e29db01339b89217b4193083bcfb0e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d95118f636696371769e7b0c4f4ecc51e29db01339b89217b4193083bcfb0e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d95118f636696371769e7b0c4f4ecc51e29db01339b89217b4193083bcfb0e2b", kill_on_drop: false }` [INFO] [stdout] d95118f636696371769e7b0c4f4ecc51e29db01339b89217b4193083bcfb0e2b [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] df608328020ac0bb876cc21add208bba9f5a7809a4f0a51de2fb2c37f834b15f [INFO] running `Command { std: "docker" "start" "-a" "df608328020ac0bb876cc21add208bba9f5a7809a4f0a51de2fb2c37f834b15f", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-syntax v0.8.7 [INFO] [stderr] Checking jiff v0.2.15 [INFO] [stderr] Checking try-next v0.4.0 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking regex-automata v0.4.12 [INFO] [stderr] Checking regex v1.12.1 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Checking env_logger v0.11.8 [INFO] [stderr] Checking parlex v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cursor::LINE_HISTORY_SIZE` [INFO] [stdout] --> src/lib.rs:52:16 [INFO] [stdout] | [INFO] [stdout] 52 | pub(crate) use cursor::LINE_HISTORY_SIZE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cursor::LINE_HISTORY_SIZE` [INFO] [stdout] --> src/lib.rs:52:16 [INFO] [stdout] | [INFO] [stdout] 52 | pub(crate) use cursor::LINE_HISTORY_SIZE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lexer.rs:794:54 [INFO] [stdout] | [INFO] [stdout] 794 | ) -> Result, Self::Error> { [INFO] [stdout] | ______________________________________________________^ [INFO] [stdout] 795 | | context.push('e'); [INFO] [stdout] 796 | | Ok(None) [INFO] [stdout] 797 | | } [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/lexer.rs:796:13 [INFO] [stdout] | [INFO] [stdout] 796 | Ok(None) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parser.rs:703:54 [INFO] [stdout] | [INFO] [stdout] 703 | ) -> Result, Self::Error> { [INFO] [stdout] | ______________________________________________________^ [INFO] [stdout] 704 | | context.push('E'); [INFO] [stdout] 705 | | Ok(None) [INFO] [stdout] 706 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parser.rs:705:13 [INFO] [stdout] | [INFO] [stdout] 705 | Ok(None) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `parlex` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "df608328020ac0bb876cc21add208bba9f5a7809a4f0a51de2fb2c37f834b15f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df608328020ac0bb876cc21add208bba9f5a7809a4f0a51de2fb2c37f834b15f", kill_on_drop: false }` [INFO] [stdout] df608328020ac0bb876cc21add208bba9f5a7809a4f0a51de2fb2c37f834b15f