[INFO] cloning repository https://github.com/yvt/pvfilt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yvt/pvfilt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Fpvfilt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Fpvfilt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eada1db649c7784d7001bbe48e7e4119c862cb0
[INFO] documenting yvt/pvfilt 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%2Fyvt%2Fpvfilt" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yvt/pvfilt 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/yvt/pvfilt
[INFO] finished tweaking git repo https://github.com/yvt/pvfilt
[INFO] tweaked toml for git repo https://github.com/yvt/pvfilt written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yvt/pvfilt 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd484d1ad74318155097176a62a7248c831ab91b75b566f65b9adff3d69cbf43
[INFO] running `Command { std: "docker" "start" "-a" "dd484d1ad74318155097176a62a7248c831ab91b75b566f65b9adff3d69cbf43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd484d1ad74318155097176a62a7248c831ab91b75b566f65b9adff3d69cbf43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd484d1ad74318155097176a62a7248c831ab91b75b566f65b9adff3d69cbf43", kill_on_drop: false }`
[INFO] [stdout] dd484d1ad74318155097176a62a7248c831ab91b75b566f65b9adff3d69cbf43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae51263bf7266e17ba381c186c461ee8ee9683ed9c63f736f92acb9d620efe9f
[INFO] running `Command { std: "docker" "start" "-a" "ae51263bf7266e17ba381c186c461ee8ee9683ed9c63f736f92acb9d620efe9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]  Documenting pvfilt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/draw.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     (if let Some(t) = s.instant.checked_duration_since(time_origin) {
[INFO] [stdout]    |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 79 |                     })
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 ~                     if let Some(t) = s.instant.checked_duration_since(time_origin) {
[INFO] [stdout] 76 |                         Some((t.as_secs_f64() - time_scale, s.value))
[INFO] [stdout] 77 |                     } else {
[INFO] [stdout] 78 |                         None
[INFO] [stdout] 79 ~                     }
[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 29.55s
[INFO] running `Command { std: "docker" "inspect" "ae51263bf7266e17ba381c186c461ee8ee9683ed9c63f736f92acb9d620efe9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae51263bf7266e17ba381c186c461ee8ee9683ed9c63f736f92acb9d620efe9f", kill_on_drop: false }`
[INFO] [stdout] ae51263bf7266e17ba381c186c461ee8ee9683ed9c63f736f92acb9d620efe9f