[INFO] cloning repository https://github.com/fxabot/fxabot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fxabot/fxabot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxabot%2Ffxabot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxabot%2Ffxabot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2878683d0dde88e0df9daacf2605d71e84667bf
[INFO] testing fxabot/fxabot against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxabot%2Ffxabot" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxabot/fxabot 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/fxabot/fxabot
[INFO] finished tweaking git repo https://github.com/fxabot/fxabot
[INFO] tweaked toml for git repo https://github.com/fxabot/fxabot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fxabot/fxabot 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 27a3081f2022656e3cc3d2ab8a5f4a705d6de45de5b960daaee6c9fb956a7139
[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" "27a3081f2022656e3cc3d2ab8a5f4a705d6de45de5b960daaee6c9fb956a7139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a3081f2022656e3cc3d2ab8a5f4a705d6de45de5b960daaee6c9fb956a7139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a3081f2022656e3cc3d2ab8a5f4a705d6de45de5b960daaee6c9fb956a7139", kill_on_drop: false }`
[INFO] [stdout] 27a3081f2022656e3cc3d2ab8a5f4a705d6de45de5b960daaee6c9fb956a7139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54fb6b3a2d43383a14159e892d37760aa957b8401a033ed8d3e9dfb1343fa886
[INFO] running `Command { std: "docker" "start" "-a" "54fb6b3a2d43383a14159e892d37760aa957b8401a033ed8d3e9dfb1343fa886", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.11
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling lazy_static v0.2.5
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling base64 v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.11.0-a.0 (https://github.com/hyperium/hyper#d63b7de4)
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling bytes v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.10
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling mio v0.6.6
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool 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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "54fb6b3a2d43383a14159e892d37760aa957b8401a033ed8d3e9dfb1343fa886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fb6b3a2d43383a14159e892d37760aa957b8401a033ed8d3e9dfb1343fa886", kill_on_drop: false }`
[INFO] [stdout] 54fb6b3a2d43383a14159e892d37760aa957b8401a033ed8d3e9dfb1343fa886