[INFO] cloning repository https://github.com/jvff/dkr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvff/dkr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Fdkr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Fdkr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1aef833fa9ac314e553e83deb78f0217bd5b9396
[INFO] documenting jvff/dkr against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Fdkr" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jvff/dkr on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jvff/dkr
[INFO] finished tweaking git repo https://github.com/jvff/dkr
[INFO] tweaked toml for git repo https://github.com/jvff/dkr written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jvff/dkr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c3c550f44d7fbbc297b1a5e8c1336456c1ac47d5b636a068d2218f70ba2cb5
[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" "80c3c550f44d7fbbc297b1a5e8c1336456c1ac47d5b636a068d2218f70ba2cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c3c550f44d7fbbc297b1a5e8c1336456c1ac47d5b636a068d2218f70ba2cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c3c550f44d7fbbc297b1a5e8c1336456c1ac47d5b636a068d2218f70ba2cb5", kill_on_drop: false }`
[INFO] [stdout] 80c3c550f44d7fbbc297b1a5e8c1336456c1ac47d5b636a068d2218f70ba2cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1bc3d8c349b12fb72eb4c7741c14f59dd01fd72ec84d2bdeaa89ba7d68dfaaa
[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" "d1bc3d8c349b12fb72eb4c7741c14f59dd01fd72ec84d2bdeaa89ba7d68dfaaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking shared_child v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]     Checking os_pipe v0.7.0
[INFO] [stderr]     Checking duct v0.11.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]  Documenting dkr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.38s
[INFO] running `Command { std: "docker" "inspect" "d1bc3d8c349b12fb72eb4c7741c14f59dd01fd72ec84d2bdeaa89ba7d68dfaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bc3d8c349b12fb72eb4c7741c14f59dd01fd72ec84d2bdeaa89ba7d68dfaaa", kill_on_drop: false }`
[INFO] [stdout] d1bc3d8c349b12fb72eb4c7741c14f59dd01fd72ec84d2bdeaa89ba7d68dfaaa