[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 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frusty-vault" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Antiarchitect/rusty-vault on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/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" "+1.54.0" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a3c2d828b5ba5f78fb7057074191a24c8f9ef535d201c12e1be66d9f2815b56
[INFO] running `Command { std: "docker" "start" "-a" "7a3c2d828b5ba5f78fb7057074191a24c8f9ef535d201c12e1be66d9f2815b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a3c2d828b5ba5f78fb7057074191a24c8f9ef535d201c12e1be66d9f2815b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3c2d828b5ba5f78fb7057074191a24c8f9ef535d201c12e1be66d9f2815b56", kill_on_drop: false }`
[INFO] [stdout] 7a3c2d828b5ba5f78fb7057074191a24c8f9ef535d201c12e1be66d9f2815b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6473eb9f0c5b41ffa5cdef55406b1371f99a608e6e4e9b87d1643f7cf69a0a2
[INFO] running `Command { std: "docker" "start" "-a" "b6473eb9f0c5b41ffa5cdef55406b1371f99a608e6e4e9b87d1643f7cf69a0a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling gcc v0.3.48
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking md5 v0.3.4
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]    Compiling synom v0.11.3
[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 phf_shared v0.7.21
[INFO] [stderr]     Checking postgres-protocol v0.2.2
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling structopt-derive v0.1.0
[INFO] [stderr]     Checking structopt v0.1.0
[INFO] [stderr]     Checking uuid v0.5.0
[INFO] [stderr]     Checking postgres-shared v0.2.1
[INFO] [stderr]     Checking postgres v0.14.1
[INFO] [stderr]  Documenting rusty-vault v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.17s
[INFO] running `Command { std: "docker" "inspect" "b6473eb9f0c5b41ffa5cdef55406b1371f99a608e6e4e9b87d1643f7cf69a0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6473eb9f0c5b41ffa5cdef55406b1371f99a608e6e4e9b87d1643f7cf69a0a2", kill_on_drop: false }`
[INFO] [stdout] b6473eb9f0c5b41ffa5cdef55406b1371f99a608e6e4e9b87d1643f7cf69a0a2