[INFO] cloning repository https://github.com/julian-goldsmith/four-kb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julian-goldsmith/four-kb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian-goldsmith%2Ffour-kb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulian-goldsmith%2Ffour-kb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60fcc2451a63153110b1a93a72e45d91d358a34b
[INFO] documenting julian-goldsmith/four-kb 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%2Fjulian-goldsmith%2Ffour-kb" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julian-goldsmith/four-kb 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/julian-goldsmith/four-kb
[INFO] finished tweaking git repo https://github.com/julian-goldsmith/four-kb
[INFO] tweaked toml for git repo https://github.com/julian-goldsmith/four-kb written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/julian-goldsmith/four-kb 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 07008d0047fc4677bba516ba0ff0e8dcfdacbcaf949ecdea576033bb3eb099af
[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" "07008d0047fc4677bba516ba0ff0e8dcfdacbcaf949ecdea576033bb3eb099af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07008d0047fc4677bba516ba0ff0e8dcfdacbcaf949ecdea576033bb3eb099af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07008d0047fc4677bba516ba0ff0e8dcfdacbcaf949ecdea576033bb3eb099af", kill_on_drop: false }`
[INFO] [stdout] 07008d0047fc4677bba516ba0ff0e8dcfdacbcaf949ecdea576033bb3eb099af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0bbcde3671484390db577f59bc3afbbc280a326c8d54a3bfa3e1fbc8645a4d60
[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" "0bbcde3671484390db577f59bc3afbbc280a326c8d54a3bfa3e1fbc8645a4d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling x11-dl v2.16.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]    Compiling glutin v0.10.0
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]    Compiling four-kb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.8.0
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]  Documenting four-kb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.73s
[INFO] running `Command { std: "docker" "inspect" "0bbcde3671484390db577f59bc3afbbc280a326c8d54a3bfa3e1fbc8645a4d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbcde3671484390db577f59bc3afbbc280a326c8d54a3bfa3e1fbc8645a4d60", kill_on_drop: false }`
[INFO] [stdout] 0bbcde3671484390db577f59bc3afbbc280a326c8d54a3bfa3e1fbc8645a4d60