[INFO] cloning repository https://github.com/lon9/vote
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lon9/vote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flon9%2Fvote"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flon9%2Fvote'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c32f4f80d64ab95234a0a011aab8c69d44c79751
[INFO] checking lon9/vote against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flon9%2Fvote" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lon9/vote on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lon9/vote
[INFO] finished tweaking git repo https://github.com/lon9/vote
[INFO] tweaked toml for git repo https://github.com/lon9/vote written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lon9/vote already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 397b20ca56e47e325c17599c00bd3ac98284d80d2223278a33051bb3dccce25e
[INFO] running `"docker" "start" "-a" "397b20ca56e47e325c17599c00bd3ac98284d80d2223278a33051bb3dccce25e"`
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-web v0.6.11
[INFO] [stderr]     Checking socket2 v0.3.6
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling pq-sys v0.4.5
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[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-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     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]    Compiling crossbeam-deque v0.2.0
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "397b20ca56e47e325c17599c00bd3ac98284d80d2223278a33051bb3dccce25e"`
[INFO] running `"docker" "rm" "-f" "397b20ca56e47e325c17599c00bd3ac98284d80d2223278a33051bb3dccce25e"`
[INFO] [stdout] 397b20ca56e47e325c17599c00bd3ac98284d80d2223278a33051bb3dccce25e