[INFO] cloning repository https://github.com/shybyte/midi2opc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shybyte/midi2opc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshybyte%2Fmidi2opc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshybyte%2Fmidi2opc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 825f0ab0308dbc861e451c9b0d7b636861ec72d7
[INFO] documenting shybyte/midi2opc against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshybyte%2Fmidi2opc" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shybyte/midi2opc 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 git repo https://github.com/shybyte/midi2opc
[INFO] finished tweaking git repo https://github.com/shybyte/midi2opc
[INFO] tweaked toml for git repo https://github.com/shybyte/midi2opc written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/shybyte/midi2opc already has a lockfile, it will not be regenerated
[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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 0ed9bb9710016f874751d4c71186588c1f60f643909565d9a780f6778c1f584f
[INFO] running `Command { std: "docker" "start" "-a" "0ed9bb9710016f874751d4c71186588c1f60f643909565d9a780f6778c1f584f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed9bb9710016f874751d4c71186588c1f60f643909565d9a780f6778c1f584f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed9bb9710016f874751d4c71186588c1f60f643909565d9a780f6778c1f584f", kill_on_drop: false }`
[INFO] [stdout] 0ed9bb9710016f874751d4c71186588c1f60f643909565d9a780f6778c1f584f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 37aebe1d573c2c2c32b57107130459ec5ad7435f109c9b3bf358a6828e9b4d3f
[INFO] running `Command { std: "docker" "start" "-a" "37aebe1d573c2c2c32b57107130459ec5ad7435f109c9b3bf358a6828e9b4d3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking portmidi v0.2.4
[INFO] [stderr]     Checking midi-message v0.1.0 (https://github.com/shybyte/midi-message-rs#cda61b2d)
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]  Documenting midi2opc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/effects/fish.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if { self.points.is_empty() } {
[INFO] [stdout]    |            ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 72 -         if { self.points.is_empty() } {
[INFO] [stdout] 72 +         if self.points.is_empty() {
[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 59.59s
[INFO] running `Command { std: "docker" "inspect" "37aebe1d573c2c2c32b57107130459ec5ad7435f109c9b3bf358a6828e9b4d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37aebe1d573c2c2c32b57107130459ec5ad7435f109c9b3bf358a6828e9b4d3f", kill_on_drop: false }`
[INFO] [stdout] 37aebe1d573c2c2c32b57107130459ec5ad7435f109c9b3bf358a6828e9b4d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b41dd4c969f0551e3a06b86f5349f16527711254085dabeb7f6cc7cb3e78d3aa
[INFO] running `Command { std: "docker" "start" "-a" "b41dd4c969f0551e3a06b86f5349f16527711254085dabeb7f6cc7cb3e78d3aa", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking portmidi v0.2.4
[INFO] [stderr]     Checking midi-message v0.1.0 (https://github.com/shybyte/midi-message-rs#cda61b2d)
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]  Documenting midi2opc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/effects/fish.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if { self.points.is_empty() } {
[INFO] [stdout]    |            ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 72 -         if { self.points.is_empty() } {
[INFO] [stdout] 72 +         if self.points.is_empty() {
[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 3.09s
[INFO] running `Command { std: "docker" "inspect" "b41dd4c969f0551e3a06b86f5349f16527711254085dabeb7f6cc7cb3e78d3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41dd4c969f0551e3a06b86f5349f16527711254085dabeb7f6cc7cb3e78d3aa", kill_on_drop: false }`
[INFO] [stdout] b41dd4c969f0551e3a06b86f5349f16527711254085dabeb7f6cc7cb3e78d3aa