[INFO] cloning repository https://github.com/davidrjonas/dns-trace-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidrjonas/dns-trace-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidrjonas%2Fdns-trace-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidrjonas%2Fdns-trace-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5be36cdfafa9a884854c3d36e2a6786ce50139c8
[INFO] documenting davidrjonas/dns-trace-rs 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%2Fdavidrjonas%2Fdns-trace-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidrjonas/dns-trace-rs 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/davidrjonas/dns-trace-rs
[INFO] finished tweaking git repo https://github.com/davidrjonas/dns-trace-rs
[INFO] tweaked toml for git repo https://github.com/davidrjonas/dns-trace-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/davidrjonas/dns-trace-rs 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 endian-type v0.1.2
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.0
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.5
[INFO] [stderr]   Downloaded trust-dns v0.15.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.5
[INFO] [stderr]   Downloaded radix_trie v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b082f92344c0980923209d32fcf6166ef145829e860a6f112c383616860c5941
[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" "b082f92344c0980923209d32fcf6166ef145829e860a6f112c383616860c5941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b082f92344c0980923209d32fcf6166ef145829e860a6f112c383616860c5941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b082f92344c0980923209d32fcf6166ef145829e860a6f112c383616860c5941", kill_on_drop: false }`
[INFO] [stdout] b082f92344c0980923209d32fcf6166ef145829e860a6f112c383616860c5941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9e11b139df6b3e1e40b647e1fe749b996665cbd1bc9fd154887f7e84699eb523
[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" "9e11b139df6b3e1e40b647e1fe749b996665cbd1bc9fd154887f7e84699eb523", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.0
[INFO] [stderr]     Checking radix_trie v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.5
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking data-encoding-macro v0.1.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns v0.15.0
[INFO] [stderr]  Documenting dnstrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.72s
[INFO] running `Command { std: "docker" "inspect" "9e11b139df6b3e1e40b647e1fe749b996665cbd1bc9fd154887f7e84699eb523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e11b139df6b3e1e40b647e1fe749b996665cbd1bc9fd154887f7e84699eb523", kill_on_drop: false }`
[INFO] [stdout] 9e11b139df6b3e1e40b647e1fe749b996665cbd1bc9fd154887f7e84699eb523