[INFO] fetching crate unidok-parser 0.2.0...
[INFO] checking unidok-parser-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate unidok-parser 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate unidok-parser 0.2.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unidok-parser 0.2.0
[INFO] finished tweaking crates.io crate unidok-parser 0.2.0
[INFO] tweaked toml for crates.io crate unidok-parser 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.20 (latest: v1.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded detached-str v0.1.0
[INFO] [stderr]   Downloaded unidok-repr v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21409e50ca1b77da5b30def81841afc6da0a7060c62d0a016c1c7b6fba5f9a54
[INFO] running `Command { std: "docker" "start" "-a" "21409e50ca1b77da5b30def81841afc6da0a7060c62d0a016c1c7b6fba5f9a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21409e50ca1b77da5b30def81841afc6da0a7060c62d0a016c1c7b6fba5f9a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21409e50ca1b77da5b30def81841afc6da0a7060c62d0a016c1c7b6fba5f9a54", kill_on_drop: false }`
[INFO] [stdout] 21409e50ca1b77da5b30def81841afc6da0a7060c62d0a016c1c7b6fba5f9a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf424eb92b8507e5b5ef2f9e59675129fa91964a372210453da5bc95d003445c
[INFO] running `Command { std: "docker" "start" "-a" "cf424eb92b8507e5b5ef2f9e59675129fa91964a372210453da5bc95d003445c", kill_on_drop: false }`
[INFO] [stderr]     Checking deunicode v1.6.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking detached-str v0.1.0
[INFO] [stderr]     Checking slug v0.1.6
[INFO] [stderr]     Checking unidok-repr v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking unidok-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ind` is never read
[INFO] [stdout]  --> src/blocks/thematic_breaks.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct ParseThematicBreak<'a> {
[INFO] [stdout]   |                   ------------------ field in this struct
[INFO] [stdout] 8 |     pub ind: Indents<'a>,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseThematicBreak` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ind` is never read
[INFO] [stdout]  --> src/blocks/thematic_breaks.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct ParseThematicBreak<'a> {
[INFO] [stdout]   |                   ------------------ field in this struct
[INFO] [stdout] 8 |     pub ind: Indents<'a>,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseThematicBreak` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "cf424eb92b8507e5b5ef2f9e59675129fa91964a372210453da5bc95d003445c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf424eb92b8507e5b5ef2f9e59675129fa91964a372210453da5bc95d003445c", kill_on_drop: false }`
[INFO] [stdout] cf424eb92b8507e5b5ef2f9e59675129fa91964a372210453da5bc95d003445c