[INFO] cloning repository https://github.com/italicsjenga/ableton-rack-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/italicsjenga/ableton-rack-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicsjenga%2Fableton-rack-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitalicsjenga%2Fableton-rack-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a748e432103cc1868fb7653014287491332ca7e
[INFO] documenting italicsjenga/ableton-rack-converter 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%2Fitalicsjenga%2Fableton-rack-converter" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/italicsjenga/ableton-rack-converter 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/italicsjenga/ableton-rack-converter
[INFO] finished tweaking git repo https://github.com/italicsjenga/ableton-rack-converter
[INFO] tweaked toml for git repo https://github.com/italicsjenga/ableton-rack-converter written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/italicsjenga/ableton-rack-converter 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xml_dom v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 4d57c59e7f7cc3b4bf2caeda1b8fd14da03b1ae4702a32d80ddad10b88b1c41a
[INFO] running `Command { std: "docker" "start" "-a" "4d57c59e7f7cc3b4bf2caeda1b8fd14da03b1ae4702a32d80ddad10b88b1c41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d57c59e7f7cc3b4bf2caeda1b8fd14da03b1ae4702a32d80ddad10b88b1c41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d57c59e7f7cc3b4bf2caeda1b8fd14da03b1ae4702a32d80ddad10b88b1c41a", kill_on_drop: false }`
[INFO] [stdout] 4d57c59e7f7cc3b4bf2caeda1b8fd14da03b1ae4702a32d80ddad10b88b1c41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 7acdb634bb45f6ae5b36de11cd59c073af2d429933cd562fd3fc5d7e43b2080f
[INFO] running `Command { std: "docker" "start" "-a" "7acdb634bb45f6ae5b36de11cd59c073af2d429933cd562fd3fc5d7e43b2080f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking xml_dom v0.2.5
[INFO] [stderr]  Documenting ableton-rack-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ableton-rack-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/fixers.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn fix_overwrite_protection(node: &mut RefNode) {}
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.91s
[INFO] running `Command { std: "docker" "inspect" "7acdb634bb45f6ae5b36de11cd59c073af2d429933cd562fd3fc5d7e43b2080f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acdb634bb45f6ae5b36de11cd59c073af2d429933cd562fd3fc5d7e43b2080f", kill_on_drop: false }`
[INFO] [stdout] 7acdb634bb45f6ae5b36de11cd59c073af2d429933cd562fd3fc5d7e43b2080f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a2c4ec81320f0474e02c9387fdf5f5b2bea40d0f2c01532d44deb7594d0acf54
[INFO] running `Command { std: "docker" "start" "-a" "a2c4ec81320f0474e02c9387fdf5f5b2bea40d0f2c01532d44deb7594d0acf54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking xml_dom v0.2.5
[INFO] [stderr]  Documenting ableton-rack-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "a2c4ec81320f0474e02c9387fdf5f5b2bea40d0f2c01532d44deb7594d0acf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c4ec81320f0474e02c9387fdf5f5b2bea40d0f2c01532d44deb7594d0acf54", kill_on_drop: false }`
[INFO] [stdout] a2c4ec81320f0474e02c9387fdf5f5b2bea40d0f2c01532d44deb7594d0acf54