[INFO] cloning repository https://github.com/Antiarchitect/rusty-vault
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Antiarchitect/rusty-vault" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frusty-vault", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frusty-vault'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eb27265139421c727cbaa05ef0f6dee271c4a1e
[INFO] documenting Antiarchitect/rusty-vault against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frusty-vault" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Antiarchitect/rusty-vault on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Antiarchitect/rusty-vault
[INFO] finished tweaking git repo https://github.com/Antiarchitect/rusty-vault
[INFO] tweaked toml for git repo https://github.com/Antiarchitect/rusty-vault written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Antiarchitect/rusty-vault already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8c3c412905d1c101a83cdc212301a11666bd0fda2916a9faf895fb5df0ba92f
[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" "e8c3c412905d1c101a83cdc212301a11666bd0fda2916a9faf895fb5df0ba92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c3c412905d1c101a83cdc212301a11666bd0fda2916a9faf895fb5df0ba92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c3c412905d1c101a83cdc212301a11666bd0fda2916a9faf895fb5df0ba92f", kill_on_drop: false }`
[INFO] [stdout] e8c3c412905d1c101a83cdc212301a11666bd0fda2916a9faf895fb5df0ba92f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efafc3da66c29e21a49115a766e2b85409ecbd99da6fb71fc561b30c66283292
[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" "efafc3da66c29e21a49115a766e2b85409ecbd99da6fb71fc561b30c66283292", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.48
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking md5 v0.3.4
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking postgres-protocol v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking uuid v0.5.0
[INFO] [stderr]     Checking postgres-shared v0.2.1
[INFO] [stderr]     Checking postgres v0.14.1
[INFO] [stderr]    Compiling structopt-derive v0.1.0
[INFO] [stderr]     Checking structopt v0.1.0
[INFO] [stderr]  Documenting rusty-vault v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.82s
[INFO] running `Command { std: "docker" "inspect" "efafc3da66c29e21a49115a766e2b85409ecbd99da6fb71fc561b30c66283292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efafc3da66c29e21a49115a766e2b85409ecbd99da6fb71fc561b30c66283292", kill_on_drop: false }`
[INFO] [stdout] efafc3da66c29e21a49115a766e2b85409ecbd99da6fb71fc561b30c66283292