[INFO] cloning repository https://github.com/Mistodon/melo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mistodon/melo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fmelo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fmelo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a100cc7d11e51023a606e33ad5d79b94e301ae7
[INFO] documenting Mistodon/melo against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fmelo" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mistodon/melo on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mistodon/melo
[INFO] finished tweaking git repo https://github.com/Mistodon/melo
[INFO] tweaked toml for git repo https://github.com/Mistodon/melo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mistodon/melo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rimd v0.0.1
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded pretty_assertions v0.4.1
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded num-rational v0.1.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19201c27b839a86e0de520f793a7439564b0389944f72bc0fbd5c66fcf8e03a2
[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" "19201c27b839a86e0de520f793a7439564b0389944f72bc0fbd5c66fcf8e03a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19201c27b839a86e0de520f793a7439564b0389944f72bc0fbd5c66fcf8e03a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19201c27b839a86e0de520f793a7439564b0389944f72bc0fbd5c66fcf8e03a2", kill_on_drop: false }`
[INFO] [stdout] 19201c27b839a86e0de520f793a7439564b0389944f72bc0fbd5c66fcf8e03a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89287dd6b302ad67768d8fb41917f0b7a7c6ac034cdba0597656ae4d86445e3f
[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" "89287dd6b302ad67768d8fb41917f0b7a7c6ac034cdba0597656ae4d86445e3f", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking rimd v0.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]  Documenting melo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.47s
[INFO] running `Command { std: "docker" "inspect" "89287dd6b302ad67768d8fb41917f0b7a7c6ac034cdba0597656ae4d86445e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89287dd6b302ad67768d8fb41917f0b7a7c6ac034cdba0597656ae4d86445e3f", kill_on_drop: false }`
[INFO] [stdout] 89287dd6b302ad67768d8fb41917f0b7a7c6ac034cdba0597656ae4d86445e3f