[INFO] cloning repository https://github.com/SammyJames/tweetsie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SammyJames/tweetsie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammyJames%2Ftweetsie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammyJames%2Ftweetsie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd9db1f8d2fd7566b85fa4ed8d28b246ed0e211
[INFO] documenting SammyJames/tweetsie against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSammyJames%2Ftweetsie" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SammyJames/tweetsie on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SammyJames/tweetsie
[INFO] finished tweaking git repo https://github.com/SammyJames/tweetsie
[INFO] tweaked toml for git repo https://github.com/SammyJames/tweetsie written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/SammyJames/tweetsie already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f23cf983a1b07cc55199cc7d18d39fd538c8a04f7da7d3d6030f6749c4f36125
[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" "f23cf983a1b07cc55199cc7d18d39fd538c8a04f7da7d3d6030f6749c4f36125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f23cf983a1b07cc55199cc7d18d39fd538c8a04f7da7d3d6030f6749c4f36125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23cf983a1b07cc55199cc7d18d39fd538c8a04f7da7d3d6030f6749c4f36125", kill_on_drop: false }`
[INFO] [stdout] f23cf983a1b07cc55199cc7d18d39fd538c8a04f7da7d3d6030f6749c4f36125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640cc31d5f4fb8ede9a5906e82daf1f2af6421894b3e1d8de0edce88a706d750
[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" "640cc31d5f4fb8ede9a5906e82daf1f2af6421894b3e1d8de0edce88a706d750", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.1.1 (https://github.com/gtk-rs/cairo#411ffb9c)
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1 (https://github.com/gtk-rs/gdk-pixbuf#739fe928)
[INFO] [stderr]    Compiling gio v0.1.1 (https://github.com/gtk-rs/gio#a7e8f44f)
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking c_vec v1.2.0
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling gdk v0.5.1 (https://github.com/gtk-rs/gdk#8b334252)
[INFO] [stderr]    Compiling gtk v0.1.1 (https://github.com/gtk-rs/gtk.git#7a4b9660)
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]    Compiling glib-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gobject-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gio-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2 (https://github.com/gtk-rs/cairo#411ffb9c)
[INFO] [stderr]    Compiling pango-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gdk-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling atk-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gtk-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking futures v0.1.10
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking secstr v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36 (https://github.com/DaGenix/rust-crypto#cc1a5fde)
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "640cc31d5f4fb8ede9a5906e82daf1f2af6421894b3e1d8de0edce88a706d750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640cc31d5f4fb8ede9a5906e82daf1f2af6421894b3e1d8de0edce88a706d750", kill_on_drop: false }`
[INFO] [stdout] 640cc31d5f4fb8ede9a5906e82daf1f2af6421894b3e1d8de0edce88a706d750
