[INFO] cloning repository https://github.com/skysch/simple_predicates-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skysch/simple_predicates-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskysch%2Fsimple_predicates-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskysch%2Fsimple_predicates-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38963e14747b2b4088d1eda1ed2c0896f13295ed
[INFO] documenting skysch/simple_predicates-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskysch%2Fsimple_predicates-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skysch/simple_predicates-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skysch/simple_predicates-rs
[INFO] finished tweaking git repo https://github.com/skysch/simple_predicates-rs
[INFO] tweaked toml for git repo https://github.com/skysch/simple_predicates-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/skysch/simple_predicates-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaeca7646f6c3662f292d51efda1cb4b9c87b02d77ab5bf8098a07b03a2f1497
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aaeca7646f6c3662f292d51efda1cb4b9c87b02d77ab5bf8098a07b03a2f1497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaeca7646f6c3662f292d51efda1cb4b9c87b02d77ab5bf8098a07b03a2f1497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaeca7646f6c3662f292d51efda1cb4b9c87b02d77ab5bf8098a07b03a2f1497", kill_on_drop: false }`
[INFO] [stdout] aaeca7646f6c3662f292d51efda1cb4b9c87b02d77ab5bf8098a07b03a2f1497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13c3159aea504c16c03ba51fbea3885dd2ec72768e7fbfbd021e834d9b0d408a
[INFO] running `Command { std: "docker" "start" "-a" "13c3159aea504c16c03ba51fbea3885dd2ec72768e7fbfbd021e834d9b0d408a", kill_on_drop: false }`
[INFO] [stderr]  Documenting simple_predicates v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![warn(missing_doc_code_examples)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "13c3159aea504c16c03ba51fbea3885dd2ec72768e7fbfbd021e834d9b0d408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c3159aea504c16c03ba51fbea3885dd2ec72768e7fbfbd021e834d9b0d408a", kill_on_drop: false }`
[INFO] [stdout] 13c3159aea504c16c03ba51fbea3885dd2ec72768e7fbfbd021e834d9b0d408a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d936efc4101f346bfcb1c0b567d7318c3a435f7821e9e8f71fedf5e4694130d
[INFO] running `Command { std: "docker" "start" "-a" "4d936efc4101f346bfcb1c0b567d7318c3a435f7821e9e8f71fedf5e4694130d", kill_on_drop: false }`
[INFO] [stderr]  Documenting simple_predicates v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![warn(missing_doc_code_examples)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:259:1
[INFO] [stdout]     |
[INFO] [stdout] 259 | / /// Provides functions for performing boolean expression evaluation in the
[INFO] [stdout] 260 | | /// context of some provided `Context`.
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![warn(missing_doc_code_examples)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 |     /// Evaluates the expression, returning its truth value.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:274:1
[INFO] [stdout]     |
[INFO] [stdout] 274 | /// A boolean expression consisting of boolean operators and variables.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:288:1
[INFO] [stdout]     |
[INFO] [stdout] 288 | / impl<V> Expr<V> where V: Eval {
[INFO] [stdout] 289 | |     /// Simplifies the expr by removing double-negations and equal subexprs.
[INFO] [stdout] 290 | |     fn simplify(self) -> Self {
[INFO] [stdout] 291 | |         use Expr::*;
[INFO] [stdout] ...   |
[INFO] [stdout] 358 | |     }
[INFO] [stdout] 359 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:361:1
[INFO] [stdout]     |
[INFO] [stdout] 361 | / impl<V> Expr<V> where V: Eval {
[INFO] [stdout] 362 | |     /// Returns true if the expressions have the same representation, up to
[INFO] [stdout] 363 | |     /// equality of the boolean variables. I.e., all of the boolean operators
[INFO] [stdout] 364 | |     /// are are the same and applied to equivalent variables.
[INFO] [stdout] ...   |
[INFO] [stdout] 380 | |     }
[INFO] [stdout] 381 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 | /     /// Returns true if the expressions have the same representation, up to
[INFO] [stdout] 363 | |     /// equality of the boolean variables. I.e., all of the boolean operators
[INFO] [stdout] 364 | |     /// are are the same and applied to equivalent variables.
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:417:1
[INFO] [stdout]     |
[INFO] [stdout] 417 | / /// A boolean expression in [Conjunctive Normal Form].
[INFO] [stdout] 418 | | ///
[INFO] [stdout] 419 | | /// [Conjunctive Normal Form]: https://en.wikipedia.org/wiki/Conjunctive_normal_form
[INFO] [stdout]     | |____________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:425:1
[INFO] [stdout]     |
[INFO] [stdout] 425 | / impl<V> Cnf<V> where V: Eval + Eq + Hash {
[INFO] [stdout] 426 | |     /// Returns the conjunctive clauses as elements of a `Vec`.
[INFO] [stdout] 427 | |     pub fn into_vec(self) -> Vec<Expr<V>> {
[INFO] [stdout] 428 | |         self.0.into_iter().collect()
[INFO] [stdout] ...   |
[INFO] [stdout] 434 | |     }
[INFO] [stdout] 435 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:426:5
[INFO] [stdout]     |
[INFO] [stdout] 426 |     /// Returns the conjunctive clauses as elements of a `Vec`.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     /// Returns true if the boolean expression contains no terms.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:498:1
[INFO] [stdout]     |
[INFO] [stdout] 498 | / /// A boolean expression in [Disjunctive Normal Form].
[INFO] [stdout] 499 | | ///
[INFO] [stdout] 500 | | /// [Disjunctive Normal Form]: https://en.wikipedia.org/wiki/Disjunctive_normal_form
[INFO] [stdout]     | |____________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:506:1
[INFO] [stdout]     |
[INFO] [stdout] 506 | / impl<V> Dnf<V> where V: Eval + Eq + Hash{
[INFO] [stdout] 507 | |     /// Returns the disjunctive clauses as elements of a `Vec`.
[INFO] [stdout] 508 | |     pub fn into_vec(self) -> Vec<Expr<V>> {
[INFO] [stdout] 509 | |         self.0.into_iter().collect()
[INFO] [stdout] ...   |
[INFO] [stdout] 515 | |     }
[INFO] [stdout] 516 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:507:5
[INFO] [stdout]     |
[INFO] [stdout] 507 |     /// Returns the disjunctive clauses as elements of a `Vec`.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |     /// Returns true if the boolean expression contains no terms.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "4d936efc4101f346bfcb1c0b567d7318c3a435f7821e9e8f71fedf5e4694130d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d936efc4101f346bfcb1c0b567d7318c3a435f7821e9e8f71fedf5e4694130d", kill_on_drop: false }`
[INFO] [stdout] 4d936efc4101f346bfcb1c0b567d7318c3a435f7821e9e8f71fedf5e4694130d