[INFO] fetching crate quote-impersonated 0.1.0...
[INFO] documenting quote-impersonated-0.1.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d 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 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca427dc01749a7160179c8eae42814432baf71bd25c5b2292d0a7431259fdc6e
[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" "ca427dc01749a7160179c8eae42814432baf71bd25c5b2292d0a7431259fdc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca427dc01749a7160179c8eae42814432baf71bd25c5b2292d0a7431259fdc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca427dc01749a7160179c8eae42814432baf71bd25c5b2292d0a7431259fdc6e", kill_on_drop: false }`
[INFO] [stdout] ca427dc01749a7160179c8eae42814432baf71bd25c5b2292d0a7431259fdc6e
[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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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] adeb4d4d98d0d53942fb45d9232d625c1aad38ee0ac9ed06ceff4ca55b1f0336
[INFO] running `Command { std: "docker" "start" "-a" "adeb4d4d98d0d53942fb45d9232d625c1aad38ee0ac9ed06ceff4ca55b1f0336", 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] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]  --> src/ident_fragment.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// See [`format_ident!`] for more information.
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `quote-impersonated`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name quote_impersonated src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="proc-macro"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=243a520489c03b35 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2_impersonated=/opt/rustwide/target/debug/deps/libproc_macro2_impersonated-4217a2ffc2c03273.rmeta --cap-lints=forbid --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "adeb4d4d98d0d53942fb45d9232d625c1aad38ee0ac9ed06ceff4ca55b1f0336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adeb4d4d98d0d53942fb45d9232d625c1aad38ee0ac9ed06ceff4ca55b1f0336", kill_on_drop: false }`
[INFO] [stdout] adeb4d4d98d0d53942fb45d9232d625c1aad38ee0ac9ed06ceff4ca55b1f0336