[INFO] cloning repository https://github.com/tobybot11/react_rust_webapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobybot11/react_rust_webapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobybot11%2Freact_rust_webapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobybot11%2Freact_rust_webapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 481a7cad9c8a8ce96af18b22c78795943febf5b8
[INFO] checking tobybot11/react_rust_webapp against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobybot11%2Freact_rust_webapp" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobybot11/react_rust_webapp 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/tobybot11/react_rust_webapp
[INFO] finished tweaking git repo https://github.com/tobybot11/react_rust_webapp
[INFO] tweaked toml for git repo https://github.com/tobybot11/react_rust_webapp written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tobybot11/react_rust_webapp 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 brotli2 v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v0.3.3
[INFO] [stderr]   Downloaded rouille v2.1.0
[INFO] [stderr]   Downloaded brotli-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 9f3b13fb76803d7e9f364cb9e64f4cf3fe1f955d2c39fc057752f137f1e20d11
[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" "9f3b13fb76803d7e9f364cb9e64f4cf3fe1f955d2c39fc057752f137f1e20d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f3b13fb76803d7e9f364cb9e64f4cf3fe1f955d2c39fc057752f137f1e20d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3b13fb76803d7e9f364cb9e64f4cf3fe1f955d2c39fc057752f137f1e20d11", kill_on_drop: false }`
[INFO] [stdout] 9f3b13fb76803d7e9f364cb9e64f4cf3fe1f955d2c39fc057752f137f1e20d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] acd3387a47da55de95f0102fa1e76444a0f8234b9ced7f236e709fe31403576e
[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" "acd3387a47da55de95f0102fa1e76444a0f8234b9ced7f236e709fe31403576e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.3
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking gzip-header v0.1.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking chrono v0.4.1
[INFO] [stderr]     Checking phf v0.7.21
[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" "acd3387a47da55de95f0102fa1e76444a0f8234b9ced7f236e709fe31403576e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd3387a47da55de95f0102fa1e76444a0f8234b9ced7f236e709fe31403576e", kill_on_drop: false }`
[INFO] [stdout] acd3387a47da55de95f0102fa1e76444a0f8234b9ced7f236e709fe31403576e