[INFO] fetching crate wemo 0.0.12...
[INFO] testing wemo-0.0.12 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate wemo 0.0.12 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wemo 0.0.12 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 2906ee947c7388b60147c91870c50af459cd52f2581d9600ff9aa584f6bbbc84
[INFO] running `Command { std: "docker" "start" "-a" "2906ee947c7388b60147c91870c50af459cd52f2581d9600ff9aa584f6bbbc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2906ee947c7388b60147c91870c50af459cd52f2581d9600ff9aa584f6bbbc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2906ee947c7388b60147c91870c50af459cd52f2581d9600ff9aa584f6bbbc84", kill_on_drop: false }`
[INFO] [stdout] 2906ee947c7388b60147c91870c50af459cd52f2581d9600ff9aa584f6bbbc84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452381942df15400dba86906366270b1c6146f9eae9774ac01db229e36e09da1
[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" "452381942df15400dba86906366270b1c6146f9eae9774ac01db229e36e09da1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling url v1.4.1
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling get_if_addrs v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling regex v0.1.80
[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`
[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" "452381942df15400dba86906366270b1c6146f9eae9774ac01db229e36e09da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452381942df15400dba86906366270b1c6146f9eae9774ac01db229e36e09da1", kill_on_drop: false }`
[INFO] [stdout] 452381942df15400dba86906366270b1c6146f9eae9774ac01db229e36e09da1