[INFO] cloning repository https://github.com/frankier/opus-parse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankier/opus-parse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankier%2Fopus-parse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankier%2Fopus-parse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3be5f1113195f82cc9b3d1f4ad9d9693d705936d
[INFO] documenting frankier/opus-parse 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%2Ffrankier%2Fopus-parse" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frankier/opus-parse 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/frankier/opus-parse
[INFO] finished tweaking git repo https://github.com/frankier/opus-parse
[INFO] tweaked toml for git repo https://github.com/frankier/opus-parse written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/frankier/opus-parse 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 flate2 v0.2.19
[INFO] [stderr]   Downloaded xml-rs v0.4.1
[INFO] [stderr]   Downloaded itertools v0.6.0
[INFO] [stderr]   Downloaded minidom v0.3.1
[INFO] [stderr]   Downloaded walkdir v2.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bc6fa7584a9460e5e906128e2b7e66eb5503c4cfd0a573a69a922073279b1fd8
[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" "bc6fa7584a9460e5e906128e2b7e66eb5503c4cfd0a573a69a922073279b1fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc6fa7584a9460e5e906128e2b7e66eb5503c4cfd0a573a69a922073279b1fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6fa7584a9460e5e906128e2b7e66eb5503c4cfd0a573a69a922073279b1fd8", kill_on_drop: false }`
[INFO] [stdout] bc6fa7584a9460e5e906128e2b7e66eb5503c4cfd0a573a69a922073279b1fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4f61678c4a612e3aee880f518aa850f63a2493f6164e1b8b1cfe96a88ca5dbbc
[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" "4f61678c4a612e3aee880f518aa850f63a2493f6164e1b8b1cfe96a88ca5dbbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking xml-rs v0.4.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking walkdir v2.1.3
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking minidom v0.3.1
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]  Documenting opus-parse v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.09s
[INFO] running `Command { std: "docker" "inspect" "4f61678c4a612e3aee880f518aa850f63a2493f6164e1b8b1cfe96a88ca5dbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f61678c4a612e3aee880f518aa850f63a2493f6164e1b8b1cfe96a88ca5dbbc", kill_on_drop: false }`
[INFO] [stdout] 4f61678c4a612e3aee880f518aa850f63a2493f6164e1b8b1cfe96a88ca5dbbc