[INFO] cloning repository https://github.com/KROSF/vercel-ddns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KROSF/vercel-ddns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKROSF%2Fvercel-ddns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKROSF%2Fvercel-ddns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0db7aed0bf6afc9cf938ee7a1516a4278456b0c8
[INFO] documenting KROSF/vercel-ddns 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%2FKROSF%2Fvercel-ddns" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KROSF/vercel-ddns 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/KROSF/vercel-ddns
[INFO] finished tweaking git repo https://github.com/KROSF/vercel-ddns
[INFO] tweaked toml for git repo https://github.com/KROSF/vercel-ddns written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/KROSF/vercel-ddns 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 proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] [stderr]   Downloaded chunked_transfer v1.2.0
[INFO] [stderr]   Downloaded radix_trie v0.1.6
[INFO] [stderr]   Downloaded webpki-roots v0.19.0
[INFO] [stderr]   Downloaded trust-dns-client v0.18.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.18.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded ureq v1.3.0
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded cookie v0.13.3
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded public-ip v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded data-encoding v2.2.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded hyper v0.13.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e47ce64d0cd39d5c13ed8e76c7ea3648bbfa9e9bc98341570c6e7a387b39d310
[INFO] running `Command { std: "docker" "start" "-a" "e47ce64d0cd39d5c13ed8e76c7ea3648bbfa9e9bc98341570c6e7a387b39d310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47ce64d0cd39d5c13ed8e76c7ea3648bbfa9e9bc98341570c6e7a387b39d310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47ce64d0cd39d5c13ed8e76c7ea3648bbfa9e9bc98341570c6e7a387b39d310", kill_on_drop: false }`
[INFO] [stdout] e47ce64d0cd39d5c13ed8e76c7ea3648bbfa9e9bc98341570c6e7a387b39d310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b50637c955e091793600fbad5d1af5d866f57adeba9676ce9ed2f59bb22b394f
[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" "b50637c955e091793600fbad5d1af5d866f57adeba9676ce9ed2f59bb22b394f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking ureq v1.3.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking trust-dns-proto v0.18.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking trust-dns-client v0.18.1
[INFO] [stderr]     Checking public-ip v0.1.0
[INFO] [stderr]  Documenting vercel-ddns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.78s
[INFO] running `Command { std: "docker" "inspect" "b50637c955e091793600fbad5d1af5d866f57adeba9676ce9ed2f59bb22b394f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50637c955e091793600fbad5d1af5d866f57adeba9676ce9ed2f59bb22b394f", kill_on_drop: false }`
[INFO] [stdout] b50637c955e091793600fbad5d1af5d866f57adeba9676ce9ed2f59bb22b394f