[INFO] fetching crate ittech 0.3.0...
[INFO] documenting ittech-0.3.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate ittech 0.3.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate ittech 0.3.0 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 ittech 0.3.0
[INFO] finished tweaking crates.io crate ittech 0.3.0
[INFO] tweaked toml for crates.io crate ittech 0.3.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate ittech 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 0dd008951e9b9a1cc82b83ae34b8ee81ac0e4efc21d9d7166120ed02b87df81f
[INFO] running `Command { std: "docker" "start" "-a" "0dd008951e9b9a1cc82b83ae34b8ee81ac0e4efc21d9d7166120ed02b87df81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd008951e9b9a1cc82b83ae34b8ee81ac0e4efc21d9d7166120ed02b87df81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd008951e9b9a1cc82b83ae34b8ee81ac0e4efc21d9d7166120ed02b87df81f", kill_on_drop: false }`
[INFO] [stdout] 0dd008951e9b9a1cc82b83ae34b8ee81ac0e4efc21d9d7166120ed02b87df81f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 711b8f406684efb69f0c958ce01a459cd9f921ab7423ac58818f908231b71ce8
[INFO] running `Command { std: "docker" "start" "-a" "711b8f406684efb69f0c958ce01a459cd9f921ab7423ac58818f908231b71ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]  Documenting ittech v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/error.rs:85:33
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// This is used mainly in the [context!] combinator, to add user friendly 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 `ittech`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ittech src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=11e0a2c7ddfa7c61 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f75283d3dcd3daad.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-a75150ab3c560e61.rmeta --cap-lints=forbid --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "711b8f406684efb69f0c958ce01a459cd9f921ab7423ac58818f908231b71ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711b8f406684efb69f0c958ce01a459cd9f921ab7423ac58818f908231b71ce8", kill_on_drop: false }`
[INFO] [stdout] 711b8f406684efb69f0c958ce01a459cd9f921ab7423ac58818f908231b71ce8