[INFO] cloning repository https://github.com/vi/dnscache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vi/dnscache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fdnscache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fdnscache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a8461b24bc03f4194d30da53629b3e3de2e7232
[INFO] documenting vi/dnscache 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%2Fvi%2Fdnscache" "/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/vi/dnscache 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/vi/dnscache
[INFO] finished tweaking git repo https://github.com/vi/dnscache
[INFO] tweaked toml for git repo https://github.com/vi/dnscache written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vi/dnscache 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 integer-encoding v1.0.5
[INFO] [stderr]   Downloaded snap v0.2.4
[INFO] [stderr]   Downloaded println_logger v0.2.0
[INFO] [stderr]   Downloaded compactmap v0.3.7
[INFO] [stderr]   Downloaded rusty-leveldb v0.2.3
[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" "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] [stdout] c9b3557e2a4bd9e6862a5584e821657f93ae222651d5c8526e409e02f15464fe
[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" "c9b3557e2a4bd9e6862a5584e821657f93ae222651d5c8526e409e02f15464fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b3557e2a4bd9e6862a5584e821657f93ae222651d5c8526e409e02f15464fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b3557e2a4bd9e6862a5584e821657f93ae222651d5c8526e409e02f15464fe", kill_on_drop: false }`
[INFO] [stdout] c9b3557e2a4bd9e6862a5584e821657f93ae222651d5c8526e409e02f15464fe
[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" "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] [stdout] 1f1b54dd552b688b2eeda0107e64dce9c6b0fa83518ceeaceae45e10d86ff744
[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" "1f1b54dd552b688b2eeda0107e64dce9c6b0fa83518ceeaceae45e10d86ff744", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking serde v1.0.43
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking integer-encoding v1.0.5
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]     Checking compactmap v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking atty v0.2.9
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking snap v0.2.4
[INFO] [stderr]     Checking println_logger v0.2.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking dns-parser v0.7.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking rusty-leveldb v0.2.3
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling structopt-derive v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]     Checking structopt v0.2.7
[INFO] [stderr]     Checking serde_bytes v0.10.4
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking serde_cbor v0.8.2
[INFO] [stderr]  Documenting dnscache v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.43s
[INFO] running `Command { std: "docker" "inspect" "1f1b54dd552b688b2eeda0107e64dce9c6b0fa83518ceeaceae45e10d86ff744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1b54dd552b688b2eeda0107e64dce9c6b0fa83518ceeaceae45e10d86ff744", kill_on_drop: false }`
[INFO] [stdout] 1f1b54dd552b688b2eeda0107e64dce9c6b0fa83518ceeaceae45e10d86ff744