[INFO] fetching crate lindera 0.41.0...
[INFO] checking lindera-0.41.0 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate lindera 0.41.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lindera 0.41.0 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lindera 0.41.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lindera 0.41.0
[INFO] tweaked toml for crates.io crate lindera 0.41.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate lindera 0.41.0 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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 978623f6f7f5363a1682c885dd38fcba1debc47688d0b10f029d357a358603de
[INFO] running `Command { std: "docker" "start" "-a" "978623f6f7f5363a1682c885dd38fcba1debc47688d0b10f029d357a358603de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978623f6f7f5363a1682c885dd38fcba1debc47688d0b10f029d357a358603de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978623f6f7f5363a1682c885dd38fcba1debc47688d0b10f029d357a358603de", kill_on_drop: false }`
[INFO] [stdout] 978623f6f7f5363a1682c885dd38fcba1debc47688d0b10f029d357a358603de
[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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0408c8fa0cf84d112b7fc7f25bf1fd27cdb1c2bb5ecbe5ec3cf13f164db6c3fc
[INFO] running `Command { std: "docker" "start" "-a" "0408c8fa0cf84d112b7fc7f25bf1fd27cdb1c2bb5ecbe5ec3cf13f164db6c3fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
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[INFO] [stderr]     Checking lindera v0.41.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `new_tag` is never read
[INFO] [stdout]   --> src/token_filter/japanese_compound_word.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct JapaneseCompoundWordTokenFilter {
[INFO] [stdout]    |            ------------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     new_tag: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JapaneseCompoundWordTokenFilter` has derived impls for the traits `Debug` and `Clone`, 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: field `new_tag` is never read
[INFO] [stdout]   --> src/token_filter/japanese_compound_word.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct JapaneseCompoundWordTokenFilter {
[INFO] [stdout]    |            ------------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     new_tag: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JapaneseCompoundWordTokenFilter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "0408c8fa0cf84d112b7fc7f25bf1fd27cdb1c2bb5ecbe5ec3cf13f164db6c3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0408c8fa0cf84d112b7fc7f25bf1fd27cdb1c2bb5ecbe5ec3cf13f164db6c3fc", kill_on_drop: false }`
[INFO] [stdout] 0408c8fa0cf84d112b7fc7f25bf1fd27cdb1c2bb5ecbe5ec3cf13f164db6c3fc