[INFO] fetching crate pdf_form_ids 0.6.0...
[INFO] documenting pdf_form_ids-0.6.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate pdf_form_ids 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pdf_form_ids 0.6.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pdf_form_ids 0.6.0
[INFO] finished tweaking crates.io crate pdf_form_ids 0.6.0
[INFO] tweaked toml for crates.io crate pdf_form_ids 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b578e0e7ea0f0d235b09e05a93b5e60c97f49eadfdad352485369e20b19ae5d
[INFO] running `Command { std: "docker" "start" "-a" "5b578e0e7ea0f0d235b09e05a93b5e60c97f49eadfdad352485369e20b19ae5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b578e0e7ea0f0d235b09e05a93b5e60c97f49eadfdad352485369e20b19ae5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b578e0e7ea0f0d235b09e05a93b5e60c97f49eadfdad352485369e20b19ae5d", kill_on_drop: false }`
[INFO] [stdout] 5b578e0e7ea0f0d235b09e05a93b5e60c97f49eadfdad352485369e20b19ae5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a833e8698c1bea9878de83e104785f8aa6bd5d8c11c193e9b67e52cc34daa2e
[INFO] running `Command { std: "docker" "start" "-a" "7a833e8698c1bea9878de83e104785f8aa6bd5d8c11c193e9b67e52cc34daa2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking lopdf v0.15.3
[INFO] [stderr]  Documenting pdf_form_ids v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:468:32
[INFO] [stdout]     |
[INFO] [stdout] 468 | ...                   if (key != "Off") {
[INFO] [stdout]     |                          ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 468 -                             if (key != "Off") {
[INFO] [stdout] 468 +                             if key != "Off" {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "7a833e8698c1bea9878de83e104785f8aa6bd5d8c11c193e9b67e52cc34daa2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a833e8698c1bea9878de83e104785f8aa6bd5d8c11c193e9b67e52cc34daa2e", kill_on_drop: false }`
[INFO] [stdout] 7a833e8698c1bea9878de83e104785f8aa6bd5d8c11c193e9b67e52cc34daa2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 22428191d0ee74d1ee1bda34fad9d68f81c525296305459cc05857bb7670cd37
[INFO] running `Command { std: "docker" "start" "-a" "22428191d0ee74d1ee1bda34fad9d68f81c525296305459cc05857bb7670cd37", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking lopdf v0.15.3
[INFO] [stderr]  Documenting pdf_form_ids v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:468:32
[INFO] [stdout]     |
[INFO] [stdout] 468 | ...                   if (key != "Off") {
[INFO] [stdout]     |                          ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 468 -                             if (key != "Off") {
[INFO] [stdout] 468 +                             if key != "Off" {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "22428191d0ee74d1ee1bda34fad9d68f81c525296305459cc05857bb7670cd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22428191d0ee74d1ee1bda34fad9d68f81c525296305459cc05857bb7670cd37", kill_on_drop: false }`
[INFO] [stdout] 22428191d0ee74d1ee1bda34fad9d68f81c525296305459cc05857bb7670cd37