[INFO] cloning repository https://github.com/FreeMasen/SiteBuilder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeMasen/SiteBuilder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2FSiteBuilder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2FSiteBuilder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c95eb99ab956f04e80541961027c5beb462c0d1
[INFO] documenting FreeMasen/SiteBuilder 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%2FFreeMasen%2FSiteBuilder" "/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/FreeMasen/SiteBuilder 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/FreeMasen/SiteBuilder
[INFO] finished tweaking git repo https://github.com/FreeMasen/SiteBuilder
[INFO] tweaked toml for git repo https://github.com/FreeMasen/SiteBuilder written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeMasen/SiteBuilder 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] warning: unused manifest key: profile.release.features
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.14
[INFO] [stderr]   Downloaded nfd v0.0.4
[INFO] [stderr]   Downloaded windres v0.1.0
[INFO] [stderr]   Downloaded concat-string v1.0.0
[INFO] [stderr]   Downloaded tera v0.11.7
[INFO] [stderr]   Downloaded unicode-normalization v0.1.6
[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] 26e8d31e8eac8e06e4fee3a4f5728e9f2c33d917a796d990bcb567511870dea8
[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" "26e8d31e8eac8e06e4fee3a4f5728e9f2c33d917a796d990bcb567511870dea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e8d31e8eac8e06e4fee3a4f5728e9f2c33d917a796d990bcb567511870dea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e8d31e8eac8e06e4fee3a4f5728e9f2c33d917a796d990bcb567511870dea8", kill_on_drop: false }`
[INFO] [stdout] 26e8d31e8eac8e06e4fee3a4f5728e9f2c33d917a796d990bcb567511870dea8
[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] b717b9211afedbbb2dda8161bdbfff992328f30e4e8006c3c1e9d70e9b8dd241
[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" "b717b9211afedbbb2dda8161bdbfff992328f30e4e8006c3c1e9d70e9b8dd241", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.features
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]     Checking serde v1.0.43
[INFO] [stderr]     Checking unicode-normalization v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking pest v1.0.6
[INFO] [stderr]    Compiling site-builder v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling nfd v0.0.4
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking slug v0.1.3
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking pulldown-cmark v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling webview-sys v0.1.0
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking web-view v0.2.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b717b9211afedbbb2dda8161bdbfff992328f30e4e8006c3c1e9d70e9b8dd241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b717b9211afedbbb2dda8161bdbfff992328f30e4e8006c3c1e9d70e9b8dd241", kill_on_drop: false }`
[INFO] [stdout] b717b9211afedbbb2dda8161bdbfff992328f30e4e8006c3c1e9d70e9b8dd241