[INFO] fetching crate docbot-derive 0.3.0-alpha.2...
[INFO] checking docbot-derive-0.3.0-alpha.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate docbot-derive 0.3.0-alpha.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate docbot-derive 0.3.0-alpha.2 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 docbot-derive 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate docbot-derive 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate docbot-derive 0.3.0-alpha.2 written to /workspace/builds/worker-0-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 12 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 178d3dfdfba364d4bd79be938cda62a84c3dcad90198a9708d70ce8c41b37809
[INFO] running `Command { std: "docker" "start" "-a" "178d3dfdfba364d4bd79be938cda62a84c3dcad90198a9708d70ce8c41b37809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178d3dfdfba364d4bd79be938cda62a84c3dcad90198a9708d70ce8c41b37809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178d3dfdfba364d4bd79be938cda62a84c3dcad90198a9708d70ce8c41b37809", kill_on_drop: false }`
[INFO] [stdout] 178d3dfdfba364d4bd79be938cda62a84c3dcad90198a9708d70ce8c41b37809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 87924b5c58f31cf47e1496fe1d4caf957019fd84274a3d364dbc8742419af262
[INFO] running `Command { std: "docker" "start" "-a" "87924b5c58f31cf47e1496fe1d4caf957019fd84274a3d364dbc8742419af262", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking docbot-derive v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Variant`
[INFO] [stdout]   --> inputs/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use syn::{Generics, Ident, Variant, Visibility};
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Variant`
[INFO] [stdout]   --> inputs/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use syn::{Generics, Ident, Variant, Visibility};
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_id` is never read
[INFO] [stdout]  --> bits/path.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PathParts {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub is_id: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_id` is never read
[INFO] [stdout]  --> bits/path.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PathParts {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub is_id: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "87924b5c58f31cf47e1496fe1d4caf957019fd84274a3d364dbc8742419af262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87924b5c58f31cf47e1496fe1d4caf957019fd84274a3d364dbc8742419af262", kill_on_drop: false }`
[INFO] [stdout] 87924b5c58f31cf47e1496fe1d4caf957019fd84274a3d364dbc8742419af262