[INFO] fetching crate safe-quote 1.0.15...
[INFO] documenting safe-quote-1.0.15 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate safe-quote 1.0.15 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate safe-quote 1.0.15 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] removed /workspace/builds/worker-11/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate safe-quote 1.0.15
[INFO] finished tweaking crates.io crate safe-quote 1.0.15
[INFO] tweaked toml for crates.io crate safe-quote 1.0.15 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 55a2c275fbb9ee4f6712c6790a74c8101e4cd698a1bb2957167ecb8e808e065e
[INFO] running `Command { std: "docker" "start" "-a" "55a2c275fbb9ee4f6712c6790a74c8101e4cd698a1bb2957167ecb8e808e065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a2c275fbb9ee4f6712c6790a74c8101e4cd698a1bb2957167ecb8e808e065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a2c275fbb9ee4f6712c6790a74c8101e4cd698a1bb2957167ecb8e808e065e", kill_on_drop: false }`
[INFO] [stdout] 55a2c275fbb9ee4f6712c6790a74c8101e4cd698a1bb2957167ecb8e808e065e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 0bd6967528feaae7311c8f8d21503152ef696f9abe43de3b058c90c36f482e24
[INFO] running `Command { std: "docker" "start" "-a" "0bd6967528feaae7311c8f8d21503152ef696f9abe43de3b058c90c36f482e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.36
[INFO] [stderr]     Checking unicode-xid v0.2.3
[INFO] [stderr]  Documenting safe-quote v1.0.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/ident_fragment.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// 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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `safe-quote`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name safe_quote 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=9b7e4bc04a3c7835 -L dependency=/opt/rustwide/target/debug/deps --extern safe_proc_macro2=/opt/rustwide/target/debug/deps/libsafe_proc_macro2-014df6de9161fa78.rmeta --cap-lints=forbid --crate-version 1.0.15` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0bd6967528feaae7311c8f8d21503152ef696f9abe43de3b058c90c36f482e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd6967528feaae7311c8f8d21503152ef696f9abe43de3b058c90c36f482e24", kill_on_drop: false }`
[INFO] [stdout] 0bd6967528feaae7311c8f8d21503152ef696f9abe43de3b058c90c36f482e24