[INFO] cloning repository https://github.com/dwgill/city-of-citizens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwgill/city-of-citizens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwgill%2Fcity-of-citizens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwgill%2Fcity-of-citizens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a63a10b71f492100b92612cb27fa0b16f53ec2c0
[INFO] checking dwgill/city-of-citizens against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwgill%2Fcity-of-citizens" "/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/dwgill/city-of-citizens on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwgill/city-of-citizens
[INFO] finished tweaking git repo https://github.com/dwgill/city-of-citizens
[INFO] tweaked toml for git repo https://github.com/dwgill/city-of-citizens written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dwgill/city-of-citizens already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 385c12c2b3812d233aea835876a69b2e8b207e19bea3bc895beba10dc6c953f6
[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" "385c12c2b3812d233aea835876a69b2e8b207e19bea3bc895beba10dc6c953f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "385c12c2b3812d233aea835876a69b2e8b207e19bea3bc895beba10dc6c953f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385c12c2b3812d233aea835876a69b2e8b207e19bea3bc895beba10dc6c953f6", kill_on_drop: false }`
[INFO] [stdout] 385c12c2b3812d233aea835876a69b2e8b207e19bea3bc895beba10dc6c953f6
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e9adabe6ad03392711d535f01d097ea865a9042708930c14b039917adc5de6
[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" "93e9adabe6ad03392711d535f01d097ea865a9042708930c14b039917adc5de6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.4.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking app_dirs2 v2.0.3
[INFO] [stderr]     Checking lewton v0.5.2
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.2
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking cpal v0.8.1
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling syn v0.14.2
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "93e9adabe6ad03392711d535f01d097ea865a9042708930c14b039917adc5de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e9adabe6ad03392711d535f01d097ea865a9042708930c14b039917adc5de6", kill_on_drop: false }`
[INFO] [stdout] 93e9adabe6ad03392711d535f01d097ea865a9042708930c14b039917adc5de6