[INFO] fetching crate fancy-regex-fork-pb 0.3.2...
[INFO] documenting fancy-regex-fork-pb-0.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fancy-regex-fork-pb 0.3.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fancy-regex-fork-pb 0.3.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fancy-regex-fork-pb 0.3.2
[INFO] finished tweaking crates.io crate fancy-regex-fork-pb 0.3.2
[INFO] tweaked toml for crates.io crate fancy-regex-fork-pb 0.3.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate fancy-regex-fork-pb 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d34d2f8f68f205de9b5f31aff714d940289c16564998b247a29d557e9a15fe02
[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" "d34d2f8f68f205de9b5f31aff714d940289c16564998b247a29d557e9a15fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34d2f8f68f205de9b5f31aff714d940289c16564998b247a29d557e9a15fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34d2f8f68f205de9b5f31aff714d940289c16564998b247a29d557e9a15fe02", kill_on_drop: false }`
[INFO] [stdout] d34d2f8f68f205de9b5f31aff714d940289c16564998b247a29d557e9a15fe02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ae60c2675b327dcc9a1878cee6d5bd5ba7811b4ea03452bc6eae0514bf341f
[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" "c7ae60c2675b327dcc9a1878cee6d5bd5ba7811b4ea03452bc6eae0514bf341f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]  Documenting fancy-regex-fork-pb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/parse.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 | const FLAG_CASEI: u32 = (1 << 0);
[INFO] [stdout]    |                         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/parse.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 | const FLAG_MULTI: u32 = (1 << 1);
[INFO] [stdout]    |                         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/parse.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 | const FLAG_DOTNL: u32 = (1 << 2);
[INFO] [stdout]    |                         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/parse.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 | const FLAG_SWAP_GREED: u32 = (1 << 3);
[INFO] [stdout]    |                              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/parse.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 | const FLAG_IGNORE_SPACE: u32 = (1 << 4);
[INFO] [stdout]    |                                ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/parse.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 | const FLAG_UNICODE: u32 = (1 << 5);
[INFO] [stdout]    |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | / /*!
[INFO] [stdout] 22  | | An implementation of regexes, supporting a relatively rich set of features, including backreferences
[INFO] [stdout] 23  | | and lookaround.
[INFO] [stdout] 24  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | | [regex]: https://crates.io/crates/regex
[INFO] [stdout] 126 | | */
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | / /*!
[INFO] [stdout] 22  | | An implementation of regexes, supporting a relatively rich set of features, including backreferences
[INFO] [stdout] 23  | | and lookaround.
[INFO] [stdout] 24  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | | [regex]: https://crates.io/crates/regex
[INFO] [stdout] 126 | | */
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/vm.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / //! Backtracking VM for implementing fancy regexes.
[INFO] [stdout] 22 | | //!
[INFO] [stdout] 23 | | //! Read https://swtch.com/~rsc/regexp/regexp2.html for a good introduction for how this works.
[INFO] [stdout] 24 | | //!
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | | //! 5. We continue with the previously saved thread at PC 4 and IX 0 (backtracking)
[INFO] [stdout] 70 | | //! 6. Both `Lit("a")` and `Lit("c")` match and we reach `End` -> successful match (index 0 to 2)
[INFO] [stdout]    | |_________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "c7ae60c2675b327dcc9a1878cee6d5bd5ba7811b4ea03452bc6eae0514bf341f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ae60c2675b327dcc9a1878cee6d5bd5ba7811b4ea03452bc6eae0514bf341f", kill_on_drop: false }`
[INFO] [stdout] c7ae60c2675b327dcc9a1878cee6d5bd5ba7811b4ea03452bc6eae0514bf341f