[INFO] fetching crate kcat 0.1.6...
[INFO] documenting kcat-0.1.6 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate kcat 0.1.6 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate kcat 0.1.6 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 kcat 0.1.6
[INFO] finished tweaking crates.io crate kcat 0.1.6
[INFO] tweaked toml for crates.io crate kcat 0.1.6 written to /workspace/builds/worker-32/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] [stderr]     Blocking waiting for file lock on package cache
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded xml-rs v0.7.0
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded onig v3.2.2
[INFO] [stderr]   Downloaded plist v0.2.4
[INFO] [stderr]   Downloaded onig_sys v68.2.1
[INFO] [stderr]   Downloaded syntect v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] c291b731c0b19bd4276db77621df95e7896957e2f63a153e7dc955642541737f
[INFO] running `Command { std: "docker" "start" "-a" "c291b731c0b19bd4276db77621df95e7896957e2f63a153e7dc955642541737f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c291b731c0b19bd4276db77621df95e7896957e2f63a153e7dc955642541737f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c291b731c0b19bd4276db77621df95e7896957e2f63a153e7dc955642541737f", kill_on_drop: false }`
[INFO] [stdout] c291b731c0b19bd4276db77621df95e7896957e2f63a153e7dc955642541737f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] f5994c4f2b1c341ec616f0e9ddc5aa85705e18984af7cfcc8e33bcf680483f6a
[INFO] running `Command { std: "docker" "start" "-a" "f5994c4f2b1c341ec616f0e9ddc5aa85705e18984af7cfcc8e33bcf680483f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]  Documenting kcat v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "f5994c4f2b1c341ec616f0e9ddc5aa85705e18984af7cfcc8e33bcf680483f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5994c4f2b1c341ec616f0e9ddc5aa85705e18984af7cfcc8e33bcf680483f6a", kill_on_drop: false }`
[INFO] [stdout] f5994c4f2b1c341ec616f0e9ddc5aa85705e18984af7cfcc8e33bcf680483f6a