[INFO] fetching crate doctor-syn 0.1.0...
[INFO] documenting doctor-syn-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate doctor-syn 0.1.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate doctor-syn 0.1.0 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 doctor-syn 0.1.0
[INFO] finished tweaking crates.io crate doctor-syn 0.1.0
[INFO] tweaked toml for crates.io crate doctor-syn 0.1.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate doctor-syn 0.1.0 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]     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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] ad918c16a8b45ffa1d2913b000434dde7d4a4fc94f3ed703168f3e7e2de16315
[INFO] running `Command { std: "docker" "start" "-a" "ad918c16a8b45ffa1d2913b000434dde7d4a4fc94f3ed703168f3e7e2de16315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad918c16a8b45ffa1d2913b000434dde7d4a4fc94f3ed703168f3e7e2de16315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad918c16a8b45ffa1d2913b000434dde7d4a4fc94f3ed703168f3e7e2de16315", kill_on_drop: false }`
[INFO] [stdout] ad918c16a8b45ffa1d2913b000434dde7d4a4fc94f3ed703168f3e7e2de16315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 426e9870323dc980b663866b412a06871acc3092bf555743e57ac32dd384cc5f
[INFO] running `Command { std: "docker" "start" "-a" "426e9870323dc980b663866b412a06871acc3092bf555743e57ac32dd384cc5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]  Documenting doctor-syn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking doctor-syn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `variable`
[INFO] [stdout]   --> src/transformation/collect.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) variable: Name,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Collect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/transformation/collect.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `k`
[INFO] [stdout]    --> src/expression.rs:199:49
[INFO] [stdout]     |
[INFO] [stdout] 199 |     /// The polynomial is in a canonical form t[k] . mul_add( x, t[k-1]) ...  . mul_add( x, t[0])
[INFO] [stdout]     |                                                 ^ no item named `k` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0`
[INFO] [stdout]    --> src/expression.rs:199:95
[INFO] [stdout]     |
[INFO] [stdout] 199 |     /// The polynomial is in a canonical form t[k] . mul_add( x, t[k-1]) ...  . mul_add( x, t[0])
[INFO] [stdout]     |                                                                                               ^ no item named `0` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.60s
[INFO] running `Command { std: "docker" "inspect" "426e9870323dc980b663866b412a06871acc3092bf555743e57ac32dd384cc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426e9870323dc980b663866b412a06871acc3092bf555743e57ac32dd384cc5f", kill_on_drop: false }`
[INFO] [stdout] 426e9870323dc980b663866b412a06871acc3092bf555743e57ac32dd384cc5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6617857dd747c68ff44a89483f0d7a66adcda926c6656ce7a24f0e25f6847e5f
[INFO] running `Command { std: "docker" "start" "-a" "6617857dd747c68ff44a89483f0d7a66adcda926c6656ce7a24f0e25f6847e5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]  Documenting doctor-syn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `k`
[INFO] [stdout]    --> src/expression.rs:199:49
[INFO] [stdout]     |
[INFO] [stdout] 199 |     /// The polynomial is in a canonical form t[k] . mul_add( x, t[k-1]) ...  . mul_add( x, t[0])
[INFO] [stdout]     |                                                 ^ no item named `k` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0`
[INFO] [stdout]    --> src/expression.rs:199:95
[INFO] [stdout]     |
[INFO] [stdout] 199 |     /// The polynomial is in a canonical form t[k] . mul_add( x, t[k-1]) ...  . mul_add( x, t[0])
[INFO] [stdout]     |                                                                                               ^ no item named `0` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "6617857dd747c68ff44a89483f0d7a66adcda926c6656ce7a24f0e25f6847e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6617857dd747c68ff44a89483f0d7a66adcda926c6656ce7a24f0e25f6847e5f", kill_on_drop: false }`
[INFO] [stdout] 6617857dd747c68ff44a89483f0d7a66adcda926c6656ce7a24f0e25f6847e5f