[INFO] cloning repository https://github.com/aergonaut/gear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aergonaut/gear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fgear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fgear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e898297ad146211f509fdd793120025d09bb157
[INFO] documenting aergonaut/gear 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%2Faergonaut%2Fgear" "/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/aergonaut/gear 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/aergonaut/gear
[INFO] finished tweaking git repo https://github.com/aergonaut/gear
[INFO] tweaked toml for git repo https://github.com/aergonaut/gear written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/aergonaut/gear 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded shared_child v0.3.3
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded open v1.3.2
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded libgit2-sys v0.9.0
[INFO] [stderr]   Downloaded os_pipe v0.8.1
[INFO] [stderr]   Downloaded git2 v0.10.0
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded duct v0.12.0
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded clap-log-flag v0.2.1
[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] 1f4e5a478eb775f28f6e5855d3a466ad5e29c0c6caae15b1ec70ccbc8e57a4cc
[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" "1f4e5a478eb775f28f6e5855d3a466ad5e29c0c6caae15b1ec70ccbc8e57a4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f4e5a478eb775f28f6e5855d3a466ad5e29c0c6caae15b1ec70ccbc8e57a4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4e5a478eb775f28f6e5855d3a466ad5e29c0c6caae15b1ec70ccbc8e57a4cc", kill_on_drop: false }`
[INFO] [stdout] 1f4e5a478eb775f28f6e5855d3a466ad5e29c0c6caae15b1ec70ccbc8e57a4cc
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efed2bb0a31847b6f7966b0ee7f6f6e8c8f1cffbfae90c2b56254cf54595edd3
[INFO] running `Command { std: "docker" "start" "-a" "efed2bb0a31847b6f7966b0ee7f6f6e8c8f1cffbfae90c2b56254cf54595edd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking open v1.3.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.9.0
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking shared_child v0.3.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking clap-log-flag v0.2.1
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking os_pipe v0.8.1
[INFO] [stderr]     Checking duct v0.12.0
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking git2 v0.10.0
[INFO] [stderr]  Documenting gear v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "efed2bb0a31847b6f7966b0ee7f6f6e8c8f1cffbfae90c2b56254cf54595edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efed2bb0a31847b6f7966b0ee7f6f6e8c8f1cffbfae90c2b56254cf54595edd3", kill_on_drop: false }`
[INFO] [stdout] efed2bb0a31847b6f7966b0ee7f6f6e8c8f1cffbfae90c2b56254cf54595edd3