[INFO] cloning repository https://github.com/aaronriekenberg/rusty_web
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronriekenberg/rusty_web" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Frusty_web", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Frusty_web'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f0f71add5804c9172873a561d367c716328c81e
[INFO] documenting aaronriekenberg/rusty_web against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Frusty_web" "/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/aaronriekenberg/rusty_web on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronriekenberg/rusty_web
[INFO] finished tweaking git repo https://github.com/aaronriekenberg/rusty_web
[INFO] tweaked toml for git repo https://github.com/aaronriekenberg/rusty_web written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronriekenberg/rusty_web already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "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] f808b090c51ea9e8a62d27052adc8988a39509b212f25c3aa1acf74002e1408b
[INFO] running `Command { std: "docker" "start" "-a" "f808b090c51ea9e8a62d27052adc8988a39509b212f25c3aa1acf74002e1408b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f808b090c51ea9e8a62d27052adc8988a39509b212f25c3aa1acf74002e1408b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f808b090c51ea9e8a62d27052adc8988a39509b212f25c3aa1acf74002e1408b", kill_on_drop: false }`
[INFO] [stdout] f808b090c51ea9e8a62d27052adc8988a39509b212f25c3aa1acf74002e1408b
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4326a6c25e620e0486f27ba1c1bde8d0b2558767f45666207de8691749587a1e
[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" "4326a6c25e620e0486f27ba1c1bde8d0b2558767f45666207de8691749587a1e", 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] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde v1.0.9
[INFO] [stderr]     Checking horrorshow v0.6.2
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking unicode-bidi v0.3.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking simple_logger v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.9
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.8
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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" "4326a6c25e620e0486f27ba1c1bde8d0b2558767f45666207de8691749587a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4326a6c25e620e0486f27ba1c1bde8d0b2558767f45666207de8691749587a1e", kill_on_drop: false }`
[INFO] [stdout] 4326a6c25e620e0486f27ba1c1bde8d0b2558767f45666207de8691749587a1e