[INFO] cloning repository https://github.com/scizzorz/milk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scizzorz/milk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscizzorz%2Fmilk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscizzorz%2Fmilk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b58c2d46332b51f6e9bd2e695f5636d858d6085e
[INFO] documenting scizzorz/milk 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%2Fscizzorz%2Fmilk" "/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/scizzorz/milk 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/scizzorz/milk
[INFO] finished tweaking git repo https://github.com/scizzorz/milk
[INFO] tweaked toml for git repo https://github.com/scizzorz/milk written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/scizzorz/milk 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] 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] [stdout] 6d46c163739899de6883efabdb55d3d9d89696245128e1405fcde9d305ce35c8
[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" "6d46c163739899de6883efabdb55d3d9d89696245128e1405fcde9d305ce35c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d46c163739899de6883efabdb55d3d9d89696245128e1405fcde9d305ce35c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d46c163739899de6883efabdb55d3d9d89696245128e1405fcde9d305ce35c8", kill_on_drop: false }`
[INFO] [stdout] 6d46c163739899de6883efabdb55d3d9d89696245128e1405fcde9d305ce35c8
[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] 1332cdd3376ff666dba2d2fdd2025ca316de42f619471fe16f9e5113d4763be4
[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" "1332cdd3376ff666dba2d2fdd2025ca316de42f619471fe16f9e5113d4763be4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]  Documenting milk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "1332cdd3376ff666dba2d2fdd2025ca316de42f619471fe16f9e5113d4763be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1332cdd3376ff666dba2d2fdd2025ca316de42f619471fe16f9e5113d4763be4", kill_on_drop: false }`
[INFO] [stdout] 1332cdd3376ff666dba2d2fdd2025ca316de42f619471fe16f9e5113d4763be4