[INFO] fetching crate mathru 0.12.0...
[INFO] documenting mathru-0.12.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate mathru 0.12.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate mathru 0.12.0 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 mathru 0.12.0
[INFO] finished tweaking crates.io crate mathru 0.12.0
[INFO] tweaked toml for crates.io crate mathru 0.12.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate crates.io crate mathru 0.12.0 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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 00e996cd12a11d010431bc86e94abf22af843d76e5e24a8804e4cc02be985fc0
[INFO] running `Command { std: "docker" "start" "-a" "00e996cd12a11d010431bc86e94abf22af843d76e5e24a8804e4cc02be985fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e996cd12a11d010431bc86e94abf22af843d76e5e24a8804e4cc02be985fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e996cd12a11d010431bc86e94abf22af843d76e5e24a8804e4cc02be985fc0", kill_on_drop: false }`
[INFO] [stdout] 00e996cd12a11d010431bc86e94abf22af843d76e5e24a8804e4cc02be985fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 8d44e469620bdbd311a5ef4eb503552b1891f45332a2c1fe2b131bf1c125b3fb
[INFO] running `Command { std: "docker" "start" "-a" "8d44e469620bdbd311a5ef4eb503552b1891f45332a2c1fe2b131bf1c125b3fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]  Documenting mathru v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/algebra/abstr/abs_diff_eq.rs:72:67
[INFO] [stdout]    |
[INFO] [stdout] 72 |     /// This is used when no `epsilon` value is supplied to the [`abs_diff_eq!`], [`relative_eq!`],
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/algebra/abstr/abs_diff_eq.rs:72:85
[INFO] [stdout]    |
[INFO] [stdout] 72 |     /// This is used when no `epsilon` value is supplied to the [`abs_diff_eq!`], [`relative_eq!`],
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/algebra/abstr/relative_eq.rs:87:72
[INFO] [stdout]    |
[INFO] [stdout] 87 |     /// This is used when no `max_relative` value is supplied to the [`relative_eq`] macro.
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]    --> src/algebra/abstr/abs_diff_eq.rs:177:38
[INFO] [stdout]     |
[INFO] [stdout] 177 | /// An assertion that delegates to [`abs_diff_eq!`], and panics with a helpful error on failure.
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]    --> src/algebra/abstr/relative_eq.rs:182:38
[INFO] [stdout]     |
[INFO] [stdout] 182 | /// An assertion that delegates to [`relative_eq!`], and panics with a helpful error on failure.
[INFO] [stdout]     |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mathru`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name mathru src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="native"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8d882cf4713933d5 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-3eee90b9c45021d7.rmeta --cap-lints=forbid --crate-version 0.12.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8d44e469620bdbd311a5ef4eb503552b1891f45332a2c1fe2b131bf1c125b3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d44e469620bdbd311a5ef4eb503552b1891f45332a2c1fe2b131bf1c125b3fb", kill_on_drop: false }`
[INFO] [stdout] 8d44e469620bdbd311a5ef4eb503552b1891f45332a2c1fe2b131bf1c125b3fb