[INFO] fetching crate sindra 0.1.0...
[INFO] documenting sindra-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate sindra 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate sindra 0.1.0 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 crates.io crate sindra 0.1.0
[INFO] finished tweaking crates.io crate sindra 0.1.0
[INFO] tweaked toml for crates.io crate sindra 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wee-peg v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 48606c37037ad15e2b58ecbb52a625c975ee7f90da734cd4835145738964efc2
[INFO] running `Command { std: "docker" "start" "-a" "48606c37037ad15e2b58ecbb52a625c975ee7f90da734cd4835145738964efc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48606c37037ad15e2b58ecbb52a625c975ee7f90da734cd4835145738964efc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48606c37037ad15e2b58ecbb52a625c975ee7f90da734cd4835145738964efc2", kill_on_drop: false }`
[INFO] [stdout] 48606c37037ad15e2b58ecbb52a625c975ee7f90da734cd4835145738964efc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] [stdout] a3f0d2a5b51eaf85ed3cadefe248264aa83f4241b2b3c039718dd0abfe9fabf3
[INFO] running `Command { std: "docker" "start" "-a" "a3f0d2a5b51eaf85ed3cadefe248264aa83f4241b2b3c039718dd0abfe9fabf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling wee-peg v0.5.4
[INFO] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout]    |                                           ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout]    |                                          ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout]    |                                          ^^                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a macro
[INFO] [stdout]   --> src/node.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! annotate {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "a3f0d2a5b51eaf85ed3cadefe248264aa83f4241b2b3c039718dd0abfe9fabf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f0d2a5b51eaf85ed3cadefe248264aa83f4241b2b3c039718dd0abfe9fabf3", kill_on_drop: false }`
[INFO] [stdout] a3f0d2a5b51eaf85ed3cadefe248264aa83f4241b2b3c039718dd0abfe9fabf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] [stdout] d497d2d5f107b5c8a9f10f5efdce1cd1f558be172bcf1d7c6fe4d276edd6030e
[INFO] running `Command { std: "docker" "start" "-a" "d497d2d5f107b5c8a9f10f5efdce1cd1f558be172bcf1d7c6fe4d276edd6030e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.1
[INFO] [stderr]    Compiling wee-peg v0.5.4
[INFO] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout]    |                                           ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout]    |                                          ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout]    |                                          ^^                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a macro
[INFO] [stdout]   --> src/node.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! annotate {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "d497d2d5f107b5c8a9f10f5efdce1cd1f558be172bcf1d7c6fe4d276edd6030e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d497d2d5f107b5c8a9f10f5efdce1cd1f558be172bcf1d7c6fe4d276edd6030e", kill_on_drop: false }`
[INFO] [stdout] d497d2d5f107b5c8a9f10f5efdce1cd1f558be172bcf1d7c6fe4d276edd6030e