[INFO] fetching crate chelone 0.1.3...
[INFO] documenting chelone-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate chelone 0.1.3 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate chelone 0.1.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chelone 0.1.3
[INFO] finished tweaking crates.io crate chelone 0.1.3
[INFO] tweaked toml for crates.io crate chelone 0.1.3 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41b5665c2b914614886de14f34ee5d283b30f42edab3fd6bdd60ed6d373088b4
[INFO] running `Command { std: "docker" "start" "-a" "41b5665c2b914614886de14f34ee5d283b30f42edab3fd6bdd60ed6d373088b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b5665c2b914614886de14f34ee5d283b30f42edab3fd6bdd60ed6d373088b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b5665c2b914614886de14f34ee5d283b30f42edab3fd6bdd60ed6d373088b4", kill_on_drop: false }`
[INFO] [stdout] 41b5665c2b914614886de14f34ee5d283b30f42edab3fd6bdd60ed6d373088b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506c904a908385fb7e8fdcb62a0aeb91cabbf24f9e639c2fde8e774358b13372
[INFO] running `Command { std: "docker" "start" "-a" "506c904a908385fb7e8fdcb62a0aeb91cabbf24f9e639c2fde8e774358b13372", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking unwrap_to v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chelone v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting chelone v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next_rule`
[INFO] [stdout]    --> src/lib.rs:518:14
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let (next_rule, next) = {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_rule`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     source: &'a str
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_input`
[INFO] [stdout]    --> src/lib.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn debug_input(input: Peekable<FlatPairs<'a, Rule>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "506c904a908385fb7e8fdcb62a0aeb91cabbf24f9e639c2fde8e774358b13372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506c904a908385fb7e8fdcb62a0aeb91cabbf24f9e639c2fde8e774358b13372", kill_on_drop: false }`
[INFO] [stdout] 506c904a908385fb7e8fdcb62a0aeb91cabbf24f9e639c2fde8e774358b13372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d8bfb56628404d281dc14c7be9589d341c4713c947ce8c6720ad3f89a9d6a6a0
[INFO] running `Command { std: "docker" "start" "-a" "d8bfb56628404d281dc14c7be9589d341c4713c947ce8c6720ad3f89a9d6a6a0", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unwrap_to v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]  Documenting chelone v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "d8bfb56628404d281dc14c7be9589d341c4713c947ce8c6720ad3f89a9d6a6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bfb56628404d281dc14c7be9589d341c4713c947ce8c6720ad3f89a9d6a6a0", kill_on_drop: false }`
[INFO] [stdout] d8bfb56628404d281dc14c7be9589d341c4713c947ce8c6720ad3f89a9d6a6a0