[INFO] fetching crate commander-macros 1.2.0...
[INFO] documenting commander-macros-1.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate commander-macros 1.2.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate commander-macros 1.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate commander-macros 1.2.0
[INFO] finished tweaking crates.io crate commander-macros 1.2.0
[INFO] tweaked toml for crates.io crate commander-macros 1.2.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acdee4fd560e1724900dfd3143ddc806787696e1f434506da041ee48b9df8114
[INFO] running `Command { std: "docker" "start" "-a" "acdee4fd560e1724900dfd3143ddc806787696e1f434506da041ee48b9df8114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acdee4fd560e1724900dfd3143ddc806787696e1f434506da041ee48b9df8114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acdee4fd560e1724900dfd3143ddc806787696e1f434506da041ee48b9df8114", kill_on_drop: false }`
[INFO] [stdout] acdee4fd560e1724900dfd3143ddc806787696e1f434506da041ee48b9df8114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42adf57ef0a261abe7e3991efa8e7d174800f10e885a8597955581da9125acda
[INFO] running `Command { std: "docker" "start" "-a" "42adf57ef0a261abe7e3991efa8e7d174800f10e885a8597955581da9125acda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting commander-macros v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `OptionalSingle`
[INFO] [stdout]   --> src/lib.rs:70:123
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...r types of arguments: <RequiredSingle>,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^ no item named `OptionalSingle` 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 `OptionalMultiple`
[INFO] [stdout]   --> src/lib.rs:70:159
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^ no item named `OptionalMultiple` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OptionalSingle`
[INFO] [stdout]    --> src/lib.rs:154:94
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...r types of arguments: <RequiredSingle>,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^ no item named `OptionalSingle` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OptionalMultiple`
[INFO] [stdout]    --> src/lib.rs:154:130
[INFO] [stdout]     |
[INFO] [stdout] 154 | ...,[OptionalSingle],<RequiredMultiple>,[OptionalMultiple]
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^ no item named `OptionalMultiple` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "42adf57ef0a261abe7e3991efa8e7d174800f10e885a8597955581da9125acda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42adf57ef0a261abe7e3991efa8e7d174800f10e885a8597955581da9125acda", kill_on_drop: false }`
[INFO] [stdout] 42adf57ef0a261abe7e3991efa8e7d174800f10e885a8597955581da9125acda
