[INFO] cloning repository https://github.com/scottdj92/rust-playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottdj92/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottdj92%2Frust-playground"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottdj92%2Frust-playground'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae83b1bf302524408de6372ea5d14a06410d854e
[INFO] checking scottdj92/rust-playground against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottdj92%2Frust-playground" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottdj92/rust-playground on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scottdj92/rust-playground
[INFO] finished tweaking git repo https://github.com/scottdj92/rust-playground
[INFO] tweaked toml for git repo https://github.com/scottdj92/rust-playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/scottdj92/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1f27dc50e4c63785e9db48c73e35e36655f0acbb9aad0990cb7a5ef0a95cef36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1f27dc50e4c63785e9db48c73e35e36655f0acbb9aad0990cb7a5ef0a95cef36"`
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]     Checking unicase v1.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1f27dc50e4c63785e9db48c73e35e36655f0acbb9aad0990cb7a5ef0a95cef36"`
[INFO] running `"docker" "rm" "-f" "1f27dc50e4c63785e9db48c73e35e36655f0acbb9aad0990cb7a5ef0a95cef36"`
[INFO] [stdout] 1f27dc50e4c63785e9db48c73e35e36655f0acbb9aad0990cb7a5ef0a95cef36