[INFO] cloning repository https://github.com/chklauser/rust-nvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chklauser/rust-nvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchklauser%2Frust-nvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchklauser%2Frust-nvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50e64e580fc3ed48073e106e0a1dd586d52f4576
[INFO] documenting chklauser/rust-nvm 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%2Fchklauser%2Frust-nvm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chklauser/rust-nvm 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/chklauser/rust-nvm
[INFO] finished tweaking git repo https://github.com/chklauser/rust-nvm
[INFO] tweaked toml for git repo https://github.com/chklauser/rust-nvm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chklauser/rust-nvm 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 94631f8c7f899f646006c83d95ab555d0e2997aa665560464e77efed06365db8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94631f8c7f899f646006c83d95ab555d0e2997aa665560464e77efed06365db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94631f8c7f899f646006c83d95ab555d0e2997aa665560464e77efed06365db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94631f8c7f899f646006c83d95ab555d0e2997aa665560464e77efed06365db8", kill_on_drop: false }`
[INFO] [stdout] 94631f8c7f899f646006c83d95ab555d0e2997aa665560464e77efed06365db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c1ac59d3a1d8edbf9b331b137a7c3db80e9abd6c0bbc8e6a388ac88b70e56ed4
[INFO] running `Command { std: "docker" "start" "-a" "c1ac59d3a1d8edbf9b331b137a7c3db80e9abd6c0bbc8e6a388ac88b70e56ed4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.14
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.3.4
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking combine v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking clap v2.19.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking regex v0.1.73
[INFO] [stderr]     Checking combine-language v2.0.0
[INFO] [stderr]     Checking env_logger v0.3.4
[INFO] [stderr]  Documenting nvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "c1ac59d3a1d8edbf9b331b137a7c3db80e9abd6c0bbc8e6a388ac88b70e56ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ac59d3a1d8edbf9b331b137a7c3db80e9abd6c0bbc8e6a388ac88b70e56ed4", kill_on_drop: false }`
[INFO] [stdout] c1ac59d3a1d8edbf9b331b137a7c3db80e9abd6c0bbc8e6a388ac88b70e56ed4