[INFO] cloning repository https://github.com/fteychene/ferris-in-errorland
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fteychene/ferris-in-errorland" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Fferris-in-errorland'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98b09daf112ea6027c535ea1d8da5d31fe00f547
[INFO] documenting fteychene/ferris-in-errorland 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%2Ffteychene%2Fferris-in-errorland" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fteychene/ferris-in-errorland 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/fteychene/ferris-in-errorland
[INFO] finished tweaking git repo https://github.com/fteychene/ferris-in-errorland
[INFO] tweaked toml for git repo https://github.com/fteychene/ferris-in-errorland written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fteychene/ferris-in-errorland 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] be0a9ffa6a7b9d4afe624d54ad0f83e5a19b558bd3544d14135be5c3d0b7c10f
[INFO] running `Command { std: "docker" "start" "-a" "be0a9ffa6a7b9d4afe624d54ad0f83e5a19b558bd3544d14135be5c3d0b7c10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be0a9ffa6a7b9d4afe624d54ad0f83e5a19b558bd3544d14135be5c3d0b7c10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0a9ffa6a7b9d4afe624d54ad0f83e5a19b558bd3544d14135be5c3d0b7c10f", kill_on_drop: false }`
[INFO] [stdout] be0a9ffa6a7b9d4afe624d54ad0f83e5a19b558bd3544d14135be5c3d0b7c10f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 37094fd93a5e1e265567f67d92e69d8fa8c0bb548dd54b14b4e76a1c35859568
[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" "37094fd93a5e1e265567f67d92e69d8fa8c0bb548dd54b14b4e76a1c35859568", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]  Documenting std v0.1.0 (/opt/rustwide/workdir/std)
[INFO] [stderr]  Documenting error-chain v0.1.0 (/opt/rustwide/workdir/error-chain)
[INFO] [stderr]  Documenting anyhow v0.1.0 (/opt/rustwide/workdir/anyhow)
[INFO] [stderr]  Documenting base v0.1.0 (/opt/rustwide/workdir/base)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting failure v0.1.0 (/opt/rustwide/workdir/failure)
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]  Documenting thiserror v0.1.0 (/opt/rustwide/workdir/thiserror)
[INFO] [stderr]  Documenting diptych v0.1.0 (/opt/rustwide/workdir/diptych)
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]  Documenting snafu v0.1.0 (/opt/rustwide/workdir/snafu)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.49s
[INFO] running `Command { std: "docker" "inspect" "37094fd93a5e1e265567f67d92e69d8fa8c0bb548dd54b14b4e76a1c35859568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37094fd93a5e1e265567f67d92e69d8fa8c0bb548dd54b14b4e76a1c35859568", kill_on_drop: false }`
[INFO] [stdout] 37094fd93a5e1e265567f67d92e69d8fa8c0bb548dd54b14b4e76a1c35859568