[INFO] cloning repository https://github.com/thea603/wu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thea603/wu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthea603%2Fwu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthea603%2Fwu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 692d5529eb88e6d1fcc15b66e662b1072cf8963c
[INFO] checking thea603/wu against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthea603%2Fwu" "/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/thea603/wu on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thea603/wu
[INFO] finished tweaking git repo https://github.com/thea603/wu
[INFO] tweaked toml for git repo https://github.com/thea603/wu written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/thea603/wu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.11.6
[INFO] [stderr]   Downloaded bson v0.8.0
[INFO] [stderr]   Downloaded mongodb v0.3.0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65f3100bae9ea3a19f2aef2ab1320e657cb25b0d5f8c7914fb1513f7774e2901
[INFO] running `Command { std: "docker" "start" "-a" "65f3100bae9ea3a19f2aef2ab1320e657cb25b0d5f8c7914fb1513f7774e2901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f3100bae9ea3a19f2aef2ab1320e657cb25b0d5f8c7914fb1513f7774e2901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f3100bae9ea3a19f2aef2ab1320e657cb25b0d5f8c7914fb1513f7774e2901", kill_on_drop: false }`
[INFO] [stdout] 65f3100bae9ea3a19f2aef2ab1320e657cb25b0d5f8c7914fb1513f7774e2901
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da2be705a138fe51003200e0564130f1a4e559232aadc60671f71667bec4489
[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" "4da2be705a138fe51003200e0564130f1a4e559232aadc60671f71667bec4489", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling state v0.2.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking json v0.11.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rocket v0.2.8
[INFO] [stderr]    Compiling rocket_codegen v0.2.8
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking chrono v0.3.1
[INFO] [stderr]     Checking url v1.5.0
[INFO] [stderr]    Compiling serde_codegen_internals 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-1.5.0/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.0/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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: build failed
[INFO] running `Command { std: "docker" "inspect" "4da2be705a138fe51003200e0564130f1a4e559232aadc60671f71667bec4489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da2be705a138fe51003200e0564130f1a4e559232aadc60671f71667bec4489", kill_on_drop: false }`
[INFO] [stdout] 4da2be705a138fe51003200e0564130f1a4e559232aadc60671f71667bec4489