[INFO] fetching crate wemo 0.0.12...
[INFO] testing wemo-0.0.12 against 1.60.0 for beta-1.61-1
[INFO] extracting crate wemo 0.0.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wemo 0.0.12 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wemo 0.0.12
[INFO] finished tweaking crates.io crate wemo 0.0.12
[INFO] tweaked toml for crates.io crate wemo 0.0.12 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_linked_list v1.1.1
[INFO] [stderr]   Downloaded get_if_addrs-sys v0.1.1
[INFO] [stderr]   Downloaded get_if_addrs v0.4.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded bodyparser v0.4.1
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded urlencoded v0.4.1
[INFO] [stderr]   Downloaded persistent v0.2.1
[INFO] [stderr]   Downloaded url v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cccd34d601b92a8c1d17dfed72127b31fd386c0dc0b684b5d2fb0b6fb8eefc7
[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" "3cccd34d601b92a8c1d17dfed72127b31fd386c0dc0b684b5d2fb0b6fb8eefc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cccd34d601b92a8c1d17dfed72127b31fd386c0dc0b684b5d2fb0b6fb8eefc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cccd34d601b92a8c1d17dfed72127b31fd386c0dc0b684b5d2fb0b6fb8eefc7", kill_on_drop: false }`
[INFO] [stdout] 3cccd34d601b92a8c1d17dfed72127b31fd386c0dc0b684b5d2fb0b6fb8eefc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 56aa5349bebb3ed4ed38922ec7beeb54a3c7333dcc199deea5fe46f3fa4ce71e
[INFO] running `Command { std: "docker" "start" "-a" "56aa5349bebb3ed4ed38922ec7beeb54a3c7333dcc199deea5fe46f3fa4ce71e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling url v1.4.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling get_if_addrs v0.4.1
[INFO] [stderr]    Compiling miow v0.1.5
[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" "56aa5349bebb3ed4ed38922ec7beeb54a3c7333dcc199deea5fe46f3fa4ce71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56aa5349bebb3ed4ed38922ec7beeb54a3c7333dcc199deea5fe46f3fa4ce71e", kill_on_drop: false }`
[INFO] [stdout] 56aa5349bebb3ed4ed38922ec7beeb54a3c7333dcc199deea5fe46f3fa4ce71e