[INFO] fetching crate rustdoc-seeker 0.6.0...
[INFO] checking rustdoc-seeker-0.6.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rustdoc-seeker 0.6.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate rustdoc-seeker 0.6.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustdoc-seeker 0.6.0
[INFO] finished tweaking crates.io crate rustdoc-seeker 0.6.0
[INFO] tweaked toml for crates.io crate rustdoc-seeker 0.6.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate rustdoc-seeker 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fe94329545f793a73b70f25a38cd67fd9d6a901330f2330c09abdb6c7b20069
[INFO] running `Command { std: "docker" "start" "-a" "4fe94329545f793a73b70f25a38cd67fd9d6a901330f2330c09abdb6c7b20069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe94329545f793a73b70f25a38cd67fd9d6a901330f2330c09abdb6c7b20069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe94329545f793a73b70f25a38cd67fd9d6a901330f2330c09abdb6c7b20069", kill_on_drop: false }`
[INFO] [stdout] 4fe94329545f793a73b70f25a38cd67fd9d6a901330f2330c09abdb6c7b20069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc2cf24e42a06a9558b073c54c33ac31ff466f487fbfd6674f60b98a3ce5cf1
[INFO] running `Command { std: "docker" "start" "-a" "3fc2cf24e42a06a9558b073c54c33ac31ff466f487fbfd6674f60b98a3ce5cf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling fst v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking rustdoc-seeker v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `search_type`
[INFO] [stdout]   --> src/parser.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     search_type: Option<Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc`
[INFO] [stdout]   --> src/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     doc: Atom,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_type`
[INFO] [stdout]   --> src/parser.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     search_type: Option<Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc`
[INFO] [stdout]   --> src/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     doc: Atom,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.48s
[INFO] running `Command { std: "docker" "inspect" "3fc2cf24e42a06a9558b073c54c33ac31ff466f487fbfd6674f60b98a3ce5cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc2cf24e42a06a9558b073c54c33ac31ff466f487fbfd6674f60b98a3ce5cf1", kill_on_drop: false }`
[INFO] [stdout] 3fc2cf24e42a06a9558b073c54c33ac31ff466f487fbfd6674f60b98a3ce5cf1