[INFO] cloning repository https://github.com/riboseinc/riffol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/riboseinc/riffol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friboseinc%2Friffol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friboseinc%2Friffol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fa11b085767de108c62141b2faf1b60e379c081
[INFO] documenting riboseinc/riffol 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%2Friboseinc%2Friffol" "/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/riboseinc/riffol 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/riboseinc/riffol
[INFO] finished tweaking git repo https://github.com/riboseinc/riffol
[INFO] tweaked toml for git repo https://github.com/riboseinc/riffol written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/riboseinc/riffol 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] cc7417e5c95fc5f020ba1e84341b63d15e99f4bc95ff2f54c66e9311961c3e91
[INFO] running `Command { std: "docker" "start" "-a" "cc7417e5c95fc5f020ba1e84341b63d15e99f4bc95ff2f54c66e9311961c3e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7417e5c95fc5f020ba1e84341b63d15e99f4bc95ff2f54c66e9311961c3e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7417e5c95fc5f020ba1e84341b63d15e99f4bc95ff2f54c66e9311961c3e91", kill_on_drop: false }`
[INFO] [stdout] cc7417e5c95fc5f020ba1e84341b63d15e99f4bc95ff2f54c66e9311961c3e91
[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] [stdout] 641ac4206f1d904add70135a31aa44dea63c27ac2b829745edb7042b8813383f
[INFO] running `Command { std: "docker" "start" "-a" "641ac4206f1d904add70135a31aa44dea63c27ac2b829745edb7042b8813383f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking arc-swap v0.3.2
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking signal-hook v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]    Compiling nereon_derive v0.4.2
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking nereon v0.4.2
[INFO] [stderr]  Documenting riffol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "641ac4206f1d904add70135a31aa44dea63c27ac2b829745edb7042b8813383f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641ac4206f1d904add70135a31aa44dea63c27ac2b829745edb7042b8813383f", kill_on_drop: false }`
[INFO] [stdout] 641ac4206f1d904add70135a31aa44dea63c27ac2b829745edb7042b8813383f
[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" "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] d5eda1ea7cd06b321bebb58f0036d536b4694d83b4738e8208f370c8e2452c8e
[INFO] running `Command { std: "docker" "start" "-a" "d5eda1ea7cd06b321bebb58f0036d536b4694d83b4738e8208f370c8e2452c8e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking arc-swap v0.3.2
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling nereon_derive v0.4.2
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking nereon v0.4.2
[INFO] [stderr]  Documenting riffol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `Command { std: "docker" "inspect" "d5eda1ea7cd06b321bebb58f0036d536b4694d83b4738e8208f370c8e2452c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5eda1ea7cd06b321bebb58f0036d536b4694d83b4738e8208f370c8e2452c8e", kill_on_drop: false }`
[INFO] [stdout] d5eda1ea7cd06b321bebb58f0036d536b4694d83b4738e8208f370c8e2452c8e