[INFO] cloning repository https://github.com/tschottdorf/prodrocket-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tschottdorf/prodrocket-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftschottdorf%2Fprodrocket-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftschottdorf%2Fprodrocket-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5309acbf0201a37f00c0a3ba167d9d14170b1dc0
[INFO] documenting tschottdorf/prodrocket-rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftschottdorf%2Fprodrocket-rs" "/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/tschottdorf/prodrocket-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tschottdorf/prodrocket-rs
[INFO] finished tweaking git repo https://github.com/tschottdorf/prodrocket-rs
[INFO] tweaked toml for git repo https://github.com/tschottdorf/prodrocket-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tschottdorf/prodrocket-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] edfda20701d436a7207eede61c9f6a82f4caf61467b7ee1793a49a233702388f
[INFO] running `Command { std: "docker" "start" "-a" "edfda20701d436a7207eede61c9f6a82f4caf61467b7ee1793a49a233702388f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edfda20701d436a7207eede61c9f6a82f4caf61467b7ee1793a49a233702388f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfda20701d436a7207eede61c9f6a82f4caf61467b7ee1793a49a233702388f", kill_on_drop: false }`
[INFO] [stdout] edfda20701d436a7207eede61c9f6a82f4caf61467b7ee1793a49a233702388f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] d6c2eb132abb1b29e58f0d2342e11fa657e53447eb0568f0a5412911ce2ba170
[INFO] running `Command { std: "docker" "start" "-a" "d6c2eb132abb1b29e58f0d2342e11fa657e53447eb0568f0a5412911ce2ba170", kill_on_drop: false }`
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking pear v0.0.14
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling pear_codegen v0.0.14
[INFO] [stderr]    Compiling rocket v0.3.7
[INFO] [stderr]    Compiling rocket_codegen v0.3.7
[INFO] [stderr]     Checking socket2 v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking r2d2 v0.7.4
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking hmac v0.5.0
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "d6c2eb132abb1b29e58f0d2342e11fa657e53447eb0568f0a5412911ce2ba170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c2eb132abb1b29e58f0d2342e11fa657e53447eb0568f0a5412911ce2ba170", kill_on_drop: false }`
[INFO] [stdout] d6c2eb132abb1b29e58f0d2342e11fa657e53447eb0568f0a5412911ce2ba170
