[INFO] cloning repository https://github.com/phreaknik/polo-scraper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phreaknik/polo-scraper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fpolo-scraper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fpolo-scraper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d62a092f0563aaf8156411807dc8d46b2601a86c
[INFO] checking phreaknik/polo-scraper against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fpolo-scraper" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phreaknik/polo-scraper on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phreaknik/polo-scraper
[INFO] finished tweaking git repo https://github.com/phreaknik/polo-scraper
[INFO] tweaked toml for git repo https://github.com/phreaknik/polo-scraper written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/phreaknik/polo-scraper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded untrusted v0.3.2
[INFO] [stderr]   Downloaded base64 v0.2.1
[INFO] [stderr]   Downloaded deque v0.3.1
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded webpki-roots v0.7.0
[INFO] [stderr]   Downloaded term_size v0.2.3
[INFO] [stderr]   Downloaded rustls v0.5.8
[INFO] [stderr]   Downloaded hyper-rustls v0.3.2
[INFO] [stderr]   Downloaded serde v0.9.12
[INFO] [stderr]   Downloaded clap v2.22.2
[INFO] [stderr]   Downloaded webpki v0.10.0
[INFO] [stderr]   Downloaded hyper v0.10.5
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded lazy_static v0.2.6
[INFO] [stderr]   Downloaded ring v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 551ff1362aa96c81edd12a92d41f59417f46a04f0b84ca3160411205812cd771
[INFO] running `Command { std: "docker" "start" "-a" "551ff1362aa96c81edd12a92d41f59417f46a04f0b84ca3160411205812cd771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551ff1362aa96c81edd12a92d41f59417f46a04f0b84ca3160411205812cd771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551ff1362aa96c81edd12a92d41f59417f46a04f0b84ca3160411205812cd771", kill_on_drop: false }`
[INFO] [stdout] 551ff1362aa96c81edd12a92d41f59417f46a04f0b84ca3160411205812cd771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb592790d30973d86b3eb6d2d952811371dff94a39cba7c79ba8009e616090df
[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" "cb592790d30973d86b3eb6d2d952811371dff94a39cba7c79ba8009e616090df", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking base64 v0.2.1
[INFO] [stderr]     Checking serde v0.9.12
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking clap v2.22.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]     Checking url v1.4.0
[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-1.4.0/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" "cb592790d30973d86b3eb6d2d952811371dff94a39cba7c79ba8009e616090df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb592790d30973d86b3eb6d2d952811371dff94a39cba7c79ba8009e616090df", kill_on_drop: false }`
[INFO] [stdout] cb592790d30973d86b3eb6d2d952811371dff94a39cba7c79ba8009e616090df