[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<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:794:54
[INFO] [stdout]     |
[INFO] [stdout] 794 |           ) -> Result<Option<Self::Item>, 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<Option<u8>, 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<Option<u8>, Infallible>
[INFO] [stdout]    --> src/parser.rs:703:54
[INFO] [stdout]     |
[INFO] [stdout] 703 |           ) -> Result<Option<Self::Item>, 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<Option<u8>, 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
