[INFO] cloning repository https://github.com/rjaym/symbol_paths
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rjaym/symbol_paths" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjaym%2Fsymbol_paths", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjaym%2Fsymbol_paths'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6f48b3c40f14739d49462e9958bb9ae1c216116
[INFO] checking rjaym/symbol_paths against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjaym%2Fsymbol_paths" "/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/rjaym/symbol_paths on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rjaym/symbol_paths
[INFO] finished tweaking git repo https://github.com/rjaym/symbol_paths
[INFO] tweaked toml for git repo https://github.com/rjaym/symbol_paths written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rjaym/symbol_paths already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime v0.2.4
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded security-framework-sys v0.1.14
[INFO] [stderr]   Downloaded serde_derive_internals v0.16.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.12
[INFO] [stderr]   Downloaded schannel v0.1.5
[INFO] [stderr]   Downloaded hyper v0.10.10
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded num_cpus v1.5.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.2
[INFO] [stderr]   Downloaded httparse v1.2.2
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.2
[INFO] [stderr]   Downloaded gcc v0.3.49
[INFO] [stderr]   Downloaded security-framework v0.1.14
[INFO] [stderr]   Downloaded native-tls v0.1.2
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded generic-array v0.8.3
[INFO] [stderr]   Downloaded sha2 v0.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded openssl v0.9.12
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b45427051d800711307e6186cc0aabe24b91e69fa41f24a4fd928463551444
[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" "c9b45427051d800711307e6186cc0aabe24b91e69fa41f24a4fd928463551444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b45427051d800711307e6186cc0aabe24b91e69fa41f24a4fd928463551444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b45427051d800711307e6186cc0aabe24b91e69fa41f24a4fd928463551444", kill_on_drop: false }`
[INFO] [stdout] c9b45427051d800711307e6186cc0aabe24b91e69fa41f24a4fd928463551444
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c710ec3b293d96bf385df2e1ccff90f21d973435972471b1107d2568f1f1bb09
[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" "c710ec3b293d96bf385df2e1ccff90f21d973435972471b1107d2568f1f1bb09", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.49
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking num_cpus v1.5.0
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.12
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-iter v0.1.33
[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" "c710ec3b293d96bf385df2e1ccff90f21d973435972471b1107d2568f1f1bb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c710ec3b293d96bf385df2e1ccff90f21d973435972471b1107d2568f1f1bb09", kill_on_drop: false }`
[INFO] [stdout] c710ec3b293d96bf385df2e1ccff90f21d973435972471b1107d2568f1f1bb09