[INFO] cloning repository https://github.com/mcksn/rss_downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcksn/rss_downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcksn%2Frss_downloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcksn%2Frss_downloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fb787207a0e545e69e13e857a04f8d840bc52f3
[INFO] documenting mcksn/rss_downloader against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcksn%2Frss_downloader" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcksn/rss_downloader on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcksn/rss_downloader
[INFO] finished tweaking git repo https://github.com/mcksn/rss_downloader
[INFO] tweaked toml for git repo https://github.com/mcksn/rss_downloader written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mcksn/rss_downloader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.3
[INFO] [stderr]   Downloaded rss v2.0.0
[INFO] [stderr]   Downloaded curl v0.4.41
[INFO] [stderr]   Downloaded atom_syndication v0.11.0
[INFO] [stderr]   Downloaded urlencoding v2.1.0
[INFO] [stderr]   Downloaded curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]   Downloaded quick-xml v0.4.2
[INFO] [stderr]   Downloaded rss v0.4.0
[INFO] [stderr]   Downloaded feed v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 74e18e5ea7b819ac2cd03c5310f8759f7c843e6064cceff65d9b887d364d741f
[INFO] running `Command { std: "docker" "start" "-a" "74e18e5ea7b819ac2cd03c5310f8759f7c843e6064cceff65d9b887d364d741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e18e5ea7b819ac2cd03c5310f8759f7c843e6064cceff65d9b887d364d741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e18e5ea7b819ac2cd03c5310f8759f7c843e6064cceff65d9b887d364d741f", kill_on_drop: false }`
[INFO] [stdout] 74e18e5ea7b819ac2cd03c5310f8759f7c843e6064cceff65d9b887d364d741f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 773c0caf74ea782010c78b24a018fb08e2710be8171afc429dd66ed473b183d6
[INFO] running `Command { std: "docker" "start" "-a" "773c0caf74ea782010c78b24a018fb08e2710be8171afc429dd66ed473b183d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]     Checking never v0.1.0
[INFO] [stderr]     Checking urlencoding v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking quick-xml v0.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking rss v0.4.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking diligent-date-parser v0.1.3
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]     Checking feed v2.1.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking atom_syndication v0.11.0
[INFO] [stderr]     Checking rss v2.0.0
[INFO] [stderr]  Documenting rss_downloader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "773c0caf74ea782010c78b24a018fb08e2710be8171afc429dd66ed473b183d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773c0caf74ea782010c78b24a018fb08e2710be8171afc429dd66ed473b183d6", kill_on_drop: false }`
[INFO] [stdout] 773c0caf74ea782010c78b24a018fb08e2710be8171afc429dd66ed473b183d6