[INFO] cloning repository https://github.com/mglawica/wark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mglawica/wark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmglawica%2Fwark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmglawica%2Fwark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0cd359664c6489d063b53b36da54757468e30e3
[INFO] testing mglawica/wark against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmglawica%2Fwark" "/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/mglawica/wark on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mglawica/wark
[INFO] finished tweaking git repo https://github.com/mglawica/wark
[INFO] tweaked toml for git repo https://github.com/mglawica/wark written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mglawica/wark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c85bd85f6e0196a2b154063d55ded3915d284f25b305e5ddf86737a3db1a2add
[INFO] running `Command { std: "docker" "start" "-a" "c85bd85f6e0196a2b154063d55ded3915d284f25b305e5ddf86737a3db1a2add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c85bd85f6e0196a2b154063d55ded3915d284f25b305e5ddf86737a3db1a2add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85bd85f6e0196a2b154063d55ded3915d284f25b305e5ddf86737a3db1a2add", kill_on_drop: false }`
[INFO] [stdout] c85bd85f6e0196a2b154063d55ded3915d284f25b305e5ddf86737a3db1a2add
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2112d757975c90cab86da5beebedddcf0d9c4861b53eb13bbaf8188a3c18d717
[INFO] running `Command { std: "docker" "start" "-a" "2112d757975c90cab86da5beebedddcf0d9c4861b53eb13bbaf8188a3c18d717", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling futures v0.1.19
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling netbuf v0.4.0
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling sha1 v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling capturing-glob v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling tar v0.4.14
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling humannum v0.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.1
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-executor v0.1.0
[INFO] [stderr]    Compiling abstract-ns v0.4.3
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling async-slot v0.1.0
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling tk-bufstream v0.3.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.0
[INFO] [stderr]    Compiling ns-std-threaded v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling serde_str v0.1.0
[INFO] [stderr]    Compiling quire v0.3.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[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-1.7.0/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" "2112d757975c90cab86da5beebedddcf0d9c4861b53eb13bbaf8188a3c18d717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2112d757975c90cab86da5beebedddcf0d9c4861b53eb13bbaf8188a3c18d717", kill_on_drop: false }`
[INFO] [stdout] 2112d757975c90cab86da5beebedddcf0d9c4861b53eb13bbaf8188a3c18d717