[INFO] cloning repository https://github.com/amiel/fcbuttons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amiel/fcbuttons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiel%2Ffcbuttons", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiel%2Ffcbuttons'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c9b2be93363691bbbf7242b3651ef5e7341371b
[INFO] documenting amiel/fcbuttons against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famiel%2Ffcbuttons" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amiel/fcbuttons on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amiel/fcbuttons
[INFO] finished tweaking git repo https://github.com/amiel/fcbuttons
[INFO] tweaked toml for git repo https://github.com/amiel/fcbuttons written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/amiel/fcbuttons already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded opc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ea8fd3bb5731bf731afd288c8a1a9884acdb34b5eb63624faa145b30c83d18
[INFO] running `Command { std: "docker" "start" "-a" "d2ea8fd3bb5731bf731afd288c8a1a9884acdb34b5eb63624faa145b30c83d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ea8fd3bb5731bf731afd288c8a1a9884acdb34b5eb63624faa145b30c83d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ea8fd3bb5731bf731afd288c8a1a9884acdb34b5eb63624faa145b30c83d18", kill_on_drop: false }`
[INFO] [stdout] d2ea8fd3bb5731bf731afd288c8a1a9884acdb34b5eb63624faa145b30c83d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af02c4de2867fa96b8307f7a166581aba58c46dd4f1dd4fdb3691aa9d6fa6d03
[INFO] running `Command { std: "docker" "start" "-a" "af02c4de2867fa96b8307f7a166581aba58c46dd4f1dd4fdb3691aa9d6fa6d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking opc v0.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]  Documenting fcbuttons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "af02c4de2867fa96b8307f7a166581aba58c46dd4f1dd4fdb3691aa9d6fa6d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af02c4de2867fa96b8307f7a166581aba58c46dd4f1dd4fdb3691aa9d6fa6d03", kill_on_drop: false }`
[INFO] [stdout] af02c4de2867fa96b8307f7a166581aba58c46dd4f1dd4fdb3691aa9d6fa6d03