[INFO] cloning repository https://github.com/casey/boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fboilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fboilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac3f4415ebd47d80e9b838dc7caf21998db94cc
[INFO] documenting casey/boilerplate 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%2Fcasey%2Fboilerplate" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/boilerplate 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/casey/boilerplate
[INFO] finished tweaking git repo https://github.com/casey/boilerplate
[INFO] tweaked toml for git repo https://github.com/casey/boilerplate written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/casey/boilerplate 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25265ec6e687992dc82879645825fec0db2411c3241df152c0b3cfa729232781
[INFO] running `Command { std: "docker" "start" "-a" "25265ec6e687992dc82879645825fec0db2411c3241df152c0b3cfa729232781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25265ec6e687992dc82879645825fec0db2411c3241df152c0b3cfa729232781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25265ec6e687992dc82879645825fec0db2411c3241df152c0b3cfa729232781", kill_on_drop: false }`
[INFO] [stdout] 25265ec6e687992dc82879645825fec0db2411c3241df152c0b3cfa729232781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8d3a276a3aabbfd6f34f46e30483c3aba3abaaa6d6b8f84fa6135b0cab3dda2f
[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" "8d3a276a3aabbfd6f34f46e30483c3aba3abaaa6d6b8f84fa6135b0cab3dda2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.2
[INFO] [stderr]     Checking clap v2.20.3
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.8
[INFO] [stderr]     Checking brev v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]  Documenting boilerplate v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.56s
[INFO] running `Command { std: "docker" "inspect" "8d3a276a3aabbfd6f34f46e30483c3aba3abaaa6d6b8f84fa6135b0cab3dda2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3a276a3aabbfd6f34f46e30483c3aba3abaaa6d6b8f84fa6135b0cab3dda2f", kill_on_drop: false }`
[INFO] [stdout] 8d3a276a3aabbfd6f34f46e30483c3aba3abaaa6d6b8f84fa6135b0cab3dda2f