[INFO] cloning repository https://github.com/rust-leipzig/wiki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-leipzig/wiki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-leipzig%2Fwiki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-leipzig%2Fwiki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b67e14b0544394bf2fedcedbbd2354a7de1a424e
[INFO] testing rust-leipzig/wiki against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-leipzig%2Fwiki" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-leipzig/wiki on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-leipzig/wiki
[INFO] finished tweaking git repo https://github.com/rust-leipzig/wiki
[INFO] tweaked toml for git repo https://github.com/rust-leipzig/wiki written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-leipzig/wiki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pipeline v0.5.0
[INFO] [stderr]   Downloaded gcc v0.3.50
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded url v1.4.1
[INFO] [stderr]   Downloaded markdown v0.2.0
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded cargo_metadata v0.2.1
[INFO] [stderr]   Downloaded toml v0.4.1
[INFO] [stderr]   Downloaded rayon-core v1.0.2
[INFO] [stderr]   Downloaded deque v0.3.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded mowl v1.0.3
[INFO] [stderr]   Downloaded clippy v0.0.137
[INFO] [stderr]   Downloaded hyper v0.10.11
[INFO] [stderr]   Downloaded clippy_lints v0.0.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b2c86a8f1517eb781e177a8b68fa1b16bd411036836972f67103ccda21b6c5b
[INFO] running `Command { std: "docker" "start" "-a" "6b2c86a8f1517eb781e177a8b68fa1b16bd411036836972f67103ccda21b6c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2c86a8f1517eb781e177a8b68fa1b16bd411036836972f67103ccda21b6c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2c86a8f1517eb781e177a8b68fa1b16bd411036836972f67103ccda21b6c5b", kill_on_drop: false }`
[INFO] [stdout] 6b2c86a8f1517eb781e177a8b68fa1b16bd411036836972f67103ccda21b6c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd07fdfaf477602c6b2f5f1814504d178eca891c94bd620b39f2fd4d57c4da60
[INFO] running `Command { std: "docker" "start" "-a" "fd07fdfaf477602c6b2f5f1814504d178eca891c94bd620b39f2fd4d57c4da60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling uuid v0.5.0
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling hyper v0.10.11
[INFO] [stderr]    Compiling url v1.4.1
[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-1.4.1/src/form_urlencoded.rs:248:40
[INFO] [stdout]     |
[INFO] [stdout] 246 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 247 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 248 |     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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fd07fdfaf477602c6b2f5f1814504d178eca891c94bd620b39f2fd4d57c4da60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd07fdfaf477602c6b2f5f1814504d178eca891c94bd620b39f2fd4d57c4da60", kill_on_drop: false }`
[INFO] [stdout] fd07fdfaf477602c6b2f5f1814504d178eca891c94bd620b39f2fd4d57c4da60