[INFO] cloning repository https://github.com/BruceBrown/async_channel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BruceBrown/async_channel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruceBrown%2Fasync_channel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruceBrown%2Fasync_channel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c386e72ddef36d6d8ee55cd057d87d60d3dcd447
[INFO] documenting BruceBrown/async_channel 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%2FBruceBrown%2Fasync_channel" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BruceBrown/async_channel 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/BruceBrown/async_channel
[INFO] finished tweaking git repo https://github.com/BruceBrown/async_channel
[INFO] tweaked toml for git repo https://github.com/BruceBrown/async_channel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BruceBrown/async_channel 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c8c8a39313dcad6c8250cecd59f5fa6027d0495201e9e3ed26de71d41e26d1e3
[INFO] running `Command { std: "docker" "start" "-a" "c8c8a39313dcad6c8250cecd59f5fa6027d0495201e9e3ed26de71d41e26d1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c8a39313dcad6c8250cecd59f5fa6027d0495201e9e3ed26de71d41e26d1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c8a39313dcad6c8250cecd59f5fa6027d0495201e9e3ed26de71d41e26d1e3", kill_on_drop: false }`
[INFO] [stdout] c8c8a39313dcad6c8250cecd59f5fa6027d0495201e9e3ed26de71d41e26d1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1764d7cc30b6f6c1f985807069a5443acef28dbc659506b59039987550bee494
[INFO] running `Command { std: "docker" "start" "-a" "1764d7cc30b6f6c1f985807069a5443acef28dbc659506b59039987550bee494", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]  Documenting async_channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "1764d7cc30b6f6c1f985807069a5443acef28dbc659506b59039987550bee494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1764d7cc30b6f6c1f985807069a5443acef28dbc659506b59039987550bee494", kill_on_drop: false }`
[INFO] [stdout] 1764d7cc30b6f6c1f985807069a5443acef28dbc659506b59039987550bee494