[INFO] fetching crate modus_ponens 0.11.5...
[INFO] documenting modus_ponens-0.11.5 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate modus_ponens 0.11.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate modus_ponens 0.11.5 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate modus_ponens 0.11.5
[INFO] finished tweaking crates.io crate modus_ponens 0.11.5
[INFO] tweaked toml for crates.io crate modus_ponens 0.11.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6096ad92a562c15a03ba7e9da7e060191df8c1a2a0ef63f21d0bf1d86c2a60ee
[INFO] running `Command { std: "docker" "start" "-a" "6096ad92a562c15a03ba7e9da7e060191df8c1a2a0ef63f21d0bf1d86c2a60ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6096ad92a562c15a03ba7e9da7e060191df8c1a2a0ef63f21d0bf1d86c2a60ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6096ad92a562c15a03ba7e9da7e060191df8c1a2a0ef63f21d0bf1d86c2a60ee", kill_on_drop: false }`
[INFO] [stdout] 6096ad92a562c15a03ba7e9da7e060191df8c1a2a0ef63f21d0bf1d86c2a60ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 342b7802c4c1278cfacf78b190ed7419df9a1a124093a3c38c5eeb079db1c071
[INFO] running `Command { std: "docker" "start" "-a" "342b7802c4c1278cfacf78b190ed7419df9a1a124093a3c38c5eeb079db1c071", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]    Compiling pest_meta v2.6.0
[INFO] [stderr]    Compiling pest_generator v2.6.0
[INFO] [stderr]    Compiling pest_derive v2.6.0
[INFO] [stderr]  Documenting modus_ponens v0.11.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/transform_num.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |         "%" => (lhs % rhs),
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         "%" => (lhs % rhs),
[INFO] [stdout] 77 +         "%" => lhs % rhs,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(hash_set_entry)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `modus_ponens`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name modus_ponens src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b52eb54d486c1ebc -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-36a554d97eafbe2b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-83c76fb4ff61e17e.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-1d34bb6ee80120ad.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-d2c87732ec21a719.so --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4e671e7fcb6e2fd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3c5df073fef2eea2.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-bee2917827afd4e4.rmeta --cap-lints=warn --crate-version 0.11.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "342b7802c4c1278cfacf78b190ed7419df9a1a124093a3c38c5eeb079db1c071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342b7802c4c1278cfacf78b190ed7419df9a1a124093a3c38c5eeb079db1c071", kill_on_drop: false }`
[INFO] [stdout] 342b7802c4c1278cfacf78b190ed7419df9a1a124093a3c38c5eeb079db1c071
