[INFO] fetching crate nrc-protobuf-codegen 2.8.0...
[INFO] documenting nrc-protobuf-codegen-2.8.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate nrc-protobuf-codegen 2.8.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate nrc-protobuf-codegen 2.8.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nrc-protobuf-codegen 2.8.0
[INFO] finished tweaking crates.io crate nrc-protobuf-codegen 2.8.0
[INFO] tweaked toml for crates.io crate nrc-protobuf-codegen 2.8.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate nrc-protobuf-codegen 2.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nrc-protobuf v2.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77d0daf244802f7251f18ddd0013b9723d7a1461c519a917ea1b550ba628abd4
[INFO] running `Command { std: "docker" "start" "-a" "77d0daf244802f7251f18ddd0013b9723d7a1461c519a917ea1b550ba628abd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d0daf244802f7251f18ddd0013b9723d7a1461c519a917ea1b550ba628abd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d0daf244802f7251f18ddd0013b9723d7a1461c519a917ea1b550ba628abd4", kill_on_drop: false }`
[INFO] [stdout] 77d0daf244802f7251f18ddd0013b9723d7a1461c519a917ea1b550ba628abd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5787bce891f8bf7fd468ac1a65a9d1d48edec6b81924a5a415cb6b945446402
[INFO] running `Command { std: "docker" "start" "-a" "a5787bce891f8bf7fd468ac1a65a9d1d48edec6b81924a5a415cb6b945446402", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling nrc-protobuf v2.8.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]  Documenting nrc-protobuf-codegen v2.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nrc-protobuf-codegen v2.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:301:77
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:301:77
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/field.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MapField` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/field.rs:182:10
[INFO] [stdout]     |
[INFO] [stdout] 182 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_scope`
[INFO] [stdout]    --> src/field.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 409 |     root_scope: &'a RootScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `FieldGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/field.rs:407:10
[INFO] [stdout]     |
[INFO] [stdout] 407 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oneof`
[INFO] [stdout]   --> src/oneof.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     oneof: &'a OneofGen<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OneofVariantGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/oneof.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]   --> src/oneof.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     variant: OneofVariantWithContext<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OneofVariantGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/oneof.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `customize`
[INFO] [stdout]   --> src/oneof.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     customize: Customize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OneofVariantGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/oneof.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lite_runtime`
[INFO] [stdout]    --> src/oneof.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     lite_runtime: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `OneofGen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/oneof.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "a5787bce891f8bf7fd468ac1a65a9d1d48edec6b81924a5a415cb6b945446402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5787bce891f8bf7fd468ac1a65a9d1d48edec6b81924a5a415cb6b945446402", kill_on_drop: false }`
[INFO] [stdout] a5787bce891f8bf7fd468ac1a65a9d1d48edec6b81924a5a415cb6b945446402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5bdaf817f6d6646e9f06c94251d1ed88538ea1ee959b0c2c55752f267f4f2426
[INFO] running `Command { std: "docker" "start" "-a" "5bdaf817f6d6646e9f06c94251d1ed88538ea1ee959b0c2c55752f267f4f2426", kill_on_drop: false }`
[INFO] [stderr]    Compiling nrc-protobuf v2.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]  Documenting nrc-protobuf-codegen v2.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:301:77
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "5bdaf817f6d6646e9f06c94251d1ed88538ea1ee959b0c2c55752f267f4f2426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdaf817f6d6646e9f06c94251d1ed88538ea1ee959b0c2c55752f267f4f2426", kill_on_drop: false }`
[INFO] [stdout] 5bdaf817f6d6646e9f06c94251d1ed88538ea1ee959b0c2c55752f267f4f2426