[INFO] cloning repository https://github.com/m-ou-se/single-use-dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-ou-se/single-use-dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-ou-se%2Fsingle-use-dns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-ou-se%2Fsingle-use-dns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e79836a40bb4af04b59d32ae4731372c6f2a4994
[INFO] documenting m-ou-se/single-use-dns against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-ou-se%2Fsingle-use-dns" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-ou-se/single-use-dns on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-ou-se/single-use-dns
[INFO] finished tweaking git repo https://github.com/m-ou-se/single-use-dns
[INFO] tweaked toml for git repo https://github.com/m-ou-se/single-use-dns written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/m-ou-se/single-use-dns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-server v0.19.3
[INFO] [stderr]   Downloaded trust-dns-client v0.19.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "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] 73e4dd48de78e12a5cb21d1962a086b9e5dc3f31255d3fc991137c0ec3e35022
[INFO] running `Command { std: "docker" "start" "-a" "73e4dd48de78e12a5cb21d1962a086b9e5dc3f31255d3fc991137c0ec3e35022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73e4dd48de78e12a5cb21d1962a086b9e5dc3f31255d3fc991137c0ec3e35022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e4dd48de78e12a5cb21d1962a086b9e5dc3f31255d3fc991137c0ec3e35022", kill_on_drop: false }`
[INFO] [stdout] 73e4dd48de78e12a5cb21d1962a086b9e5dc3f31255d3fc991137c0ec3e35022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] aa8b5ee8d7e71b9b05f003b8b90353c4d459b11c22cd0f46cf5ab79486266232
[INFO] running `Command { std: "docker" "start" "-a" "aa8b5ee8d7e71b9b05f003b8b90353c4d459b11c22cd0f46cf5ab79486266232", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking trust-dns-proto v0.19.3
[INFO] [stderr]     Checking trust-dns-client v0.19.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trust-dns-server v0.19.3
[INFO] [stderr]  Documenting single-use-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "aa8b5ee8d7e71b9b05f003b8b90353c4d459b11c22cd0f46cf5ab79486266232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8b5ee8d7e71b9b05f003b8b90353c4d459b11c22cd0f46cf5ab79486266232", kill_on_drop: false }`
[INFO] [stdout] aa8b5ee8d7e71b9b05f003b8b90353c4d459b11c22cd0f46cf5ab79486266232