[INFO] fetching crate quote-impersonated 0.1.0...
[INFO] documenting quote-impersonated-0.1.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate quote-impersonated 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate quote-impersonated 0.1.0 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quote-impersonated 0.1.0
[INFO] finished tweaking crates.io crate quote-impersonated 0.1.0
[INFO] tweaked toml for crates.io crate quote-impersonated 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2-impersonated v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2bdc6e033e2b2071cd80d6f60429a84ae14f313ca75e5cdab82e094d2246a2e2
[INFO] running `Command { std: "docker" "start" "-a" "2bdc6e033e2b2071cd80d6f60429a84ae14f313ca75e5cdab82e094d2246a2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bdc6e033e2b2071cd80d6f60429a84ae14f313ca75e5cdab82e094d2246a2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdc6e033e2b2071cd80d6f60429a84ae14f313ca75e5cdab82e094d2246a2e2", kill_on_drop: false }`
[INFO] [stdout] 2bdc6e033e2b2071cd80d6f60429a84ae14f313ca75e5cdab82e094d2246a2e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f0b1baf43713d5703e2b8b5ad06a0c6d5c76d7dce046e45920ffc0c88b4c1c6
[INFO] running `Command { std: "docker" "start" "-a" "4f0b1baf43713d5703e2b8b5ad06a0c6d5c76d7dce046e45920ffc0c88b4c1c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-impersonated v0.1.1
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]  Documenting quote-impersonated v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `IdentFragment`
[INFO] [stdout]   --> src/format.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | /// * `{}` ⇒ [`IdentFragment`]
[INFO] [stdout]    |                ^^^^^^^^^^^^^ no item named `IdentFragment` 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 `IdentFragment`
[INFO] [stdout]   --> src/format.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// Unlike `format!`, this macro uses the [`IdentFragment`] formatting trait by
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ no item named `IdentFragment` 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 2.75s
[INFO] running `Command { std: "docker" "inspect" "4f0b1baf43713d5703e2b8b5ad06a0c6d5c76d7dce046e45920ffc0c88b4c1c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0b1baf43713d5703e2b8b5ad06a0c6d5c76d7dce046e45920ffc0c88b4c1c6", kill_on_drop: false }`
[INFO] [stdout] 4f0b1baf43713d5703e2b8b5ad06a0c6d5c76d7dce046e45920ffc0c88b4c1c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9a3c365921763c774e55c34b825270b897dacfffdc28da42335421c3cc742b8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a3c365921763c774e55c34b825270b897dacfffdc28da42335421c3cc742b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-impersonated v0.1.1
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]  Documenting quote-impersonated v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `IdentFragment`
[INFO] [stdout]   --> src/format.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | /// * `{}` ⇒ [`IdentFragment`]
[INFO] [stdout]    |                ^^^^^^^^^^^^^ no item named `IdentFragment` 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 `IdentFragment`
[INFO] [stdout]   --> src/format.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// Unlike `format!`, this macro uses the [`IdentFragment`] formatting trait by
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ no item named `IdentFragment` 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 2.65s
[INFO] running `Command { std: "docker" "inspect" "9a3c365921763c774e55c34b825270b897dacfffdc28da42335421c3cc742b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3c365921763c774e55c34b825270b897dacfffdc28da42335421c3cc742b8f", kill_on_drop: false }`
[INFO] [stdout] 9a3c365921763c774e55c34b825270b897dacfffdc28da42335421c3cc742b8f