[INFO] fetching crate bash-builtins 0.2.0...
[INFO] documenting bash-builtins-0.2.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate bash-builtins 0.2.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate bash-builtins 0.2.0 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 bash-builtins 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate bash-builtins 0.2.0
[INFO] tweaked toml for crates.io crate bash-builtins 0.2.0 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate crates.io crate bash-builtins 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 42d2a7665c8d1ca52613d5d7d6ece535f61581f862af73d7e89e173955bb8b85
[INFO] running `Command { std: "docker" "start" "-a" "42d2a7665c8d1ca52613d5d7d6ece535f61581f862af73d7e89e173955bb8b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d2a7665c8d1ca52613d5d7d6ece535f61581f862af73d7e89e173955bb8b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d2a7665c8d1ca52613d5d7d6ece535f61581f862af73d7e89e173955bb8b85", kill_on_drop: false }`
[INFO] [stdout] 42d2a7665c8d1ca52613d5d7d6ece535f61581f862af73d7e89e173955bb8b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 42c3f0789fa5a12d56f68c3eb1df2c2c349d103188889e3151ea69193c1c0db4
[INFO] running `Command { std: "docker" "start" "-a" "42c3f0789fa5a12d56f68c3eb1df2c2c349d103188889e3151ea69193c1c0db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bash_builtins_macro v0.1.1
[INFO] [stderr]  Documenting bash-builtins v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/log.rs:60:30
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// See the example in the [`warning!()`] documentation.
[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 `bash-builtins`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name bash_builtins src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=759963c114d773d9 -L dependency=/opt/rustwide/target/debug/deps --extern bash_builtins_macro=/opt/rustwide/target/debug/deps/libbash_builtins_macro-3b7c2a6bbefd6d38.so --extern libc=/opt/rustwide/target/debug/deps/liblibc-02d72499b58ac142.rmeta --cap-lints=forbid --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "42c3f0789fa5a12d56f68c3eb1df2c2c349d103188889e3151ea69193c1c0db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c3f0789fa5a12d56f68c3eb1df2c2c349d103188889e3151ea69193c1c0db4", kill_on_drop: false }`
[INFO] [stdout] 42c3f0789fa5a12d56f68c3eb1df2c2c349d103188889e3151ea69193c1c0db4