[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#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthea603%2Fwu" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thea603/wu on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-14/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url v1.5.0
[INFO] [stderr]   Downloaded textnonce v0.6.0
[INFO] [stderr]   Downloaded bson v0.8.0
[INFO] [stderr]   Downloaded json v0.11.6
[INFO] [stderr]   Downloaded mongodb v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bdbff5e1a41051989b42219a216b4698ef54d02c8d4b6c1839ade2b9dc43720
[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" "5bdbff5e1a41051989b42219a216b4698ef54d02c8d4b6c1839ade2b9dc43720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bdbff5e1a41051989b42219a216b4698ef54d02c8d4b6c1839ade2b9dc43720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdbff5e1a41051989b42219a216b4698ef54d02c8d4b6c1839ade2b9dc43720", kill_on_drop: false }`
[INFO] [stdout] 5bdbff5e1a41051989b42219a216b4698ef54d02c8d4b6c1839ade2b9dc43720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a1265a915d316d8b14dcc2d94ae0b3d8de5ff69ca9bd9328cb6a7cfa16d7ba4
[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" "0a1265a915d316d8b14dcc2d94ae0b3d8de5ff69ca9bd9328cb6a7cfa16d7ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]    Compiling libc v0.2.24
[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 log v0.3.8
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling state v0.2.2
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking json v0.11.6
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking term-painter v0.2.3
[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 v0.1.39
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking chrono v0.3.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking url v1.5.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking rust-crypto v0.2.36
[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" "0a1265a915d316d8b14dcc2d94ae0b3d8de5ff69ca9bd9328cb6a7cfa16d7ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1265a915d316d8b14dcc2d94ae0b3d8de5ff69ca9bd9328cb6a7cfa16d7ba4", kill_on_drop: false }`
[INFO] [stdout] 0a1265a915d316d8b14dcc2d94ae0b3d8de5ff69ca9bd9328cb6a7cfa16d7ba4