[INFO] fetching crate obfstr 0.3.0...
[INFO] documenting obfstr-0.3.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate obfstr 0.3.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate obfstr 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 obfstr 0.3.0
[INFO] finished tweaking crates.io crate obfstr 0.3.0
[INFO] tweaked toml for crates.io crate obfstr 0.3.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate crates.io crate obfstr 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 2c32ddbe942fcb03c6d5046d11724fd662d6cc5c8d1a55fd4ac68ed198fc4e99
[INFO] running `Command { std: "docker" "start" "-a" "2c32ddbe942fcb03c6d5046d11724fd662d6cc5c8d1a55fd4ac68ed198fc4e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c32ddbe942fcb03c6d5046d11724fd662d6cc5c8d1a55fd4ac68ed198fc4e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c32ddbe942fcb03c6d5046d11724fd662d6cc5c8d1a55fd4ac68ed198fc4e99", kill_on_drop: false }`
[INFO] [stdout] 2c32ddbe942fcb03c6d5046d11724fd662d6cc5c8d1a55fd4ac68ed198fc4e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 5cc157654056fe787ac81cd973b1bf6705e64677144997286c9d388593401322
[INFO] running `Command { std: "docker" "start" "-a" "5cc157654056fe787ac81cd973b1bf6705e64677144997286c9d388593401322", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling obfstr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting obfstr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `obfstr`
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/xref.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// The offset can be initialized with [`random!`] for a compiletime random value.
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/xref.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 | /// The offset can be initialized with [`random!`] for a compiletime random value.
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name obfstr src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=54bc464ba096e70e -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5cc157654056fe787ac81cd973b1bf6705e64677144997286c9d388593401322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc157654056fe787ac81cd973b1bf6705e64677144997286c9d388593401322", kill_on_drop: false }`
[INFO] [stdout] 5cc157654056fe787ac81cd973b1bf6705e64677144997286c9d388593401322