[INFO] cloning repository https://github.com/augustuswm/masquerade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/augustuswm/masquerade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugustuswm%2Fmasquerade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugustuswm%2Fmasquerade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d74a0973b490a557a43812eeb9554057667a9c0
[INFO] testing augustuswm/masquerade against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugustuswm%2Fmasquerade" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/augustuswm/masquerade on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/augustuswm/masquerade
[INFO] finished tweaking git repo https://github.com/augustuswm/masquerade
[INFO] tweaked toml for git repo https://github.com/augustuswm/masquerade written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/augustuswm/masquerade already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--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 serde_json v1.0.17
[INFO] [stderr]   Downloaded schannel v0.1.12
[INFO] [stderr]   Downloaded openssl-sys v0.9.30
[INFO] [stderr]   Downloaded winreg v0.5.0
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.5
[INFO] [stderr]   Downloaded ipconfig v0.1.6
[INFO] [stderr]   Downloaded hostname v0.1.4
[INFO] [stderr]   Downloaded resolv-conf v0.6.0
[INFO] [stderr]   Downloaded phf_generator v0.7.22
[INFO] [stderr]   Downloaded actix-web v0.7.8
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded bson v0.11.1
[INFO] [stderr]   Downloaded uuid v0.6.3
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.4
[INFO] [stderr]   Downloaded h2 v0.1.6
[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded redis v0.9.1
[INFO] [stderr]   Downloaded tokio v0.1.7
[INFO] [stderr]   Downloaded mongoc-sys v1.8.2-0
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.0
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded hyper-tls v0.1.3
[INFO] [stderr]   Downloaded flate2 v1.0.3
[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded rusoto_credential v0.10.0
[INFO] [stderr]   Downloaded actix v0.7.4
[INFO] [stderr]   Downloaded phf v0.7.22
[INFO] [stderr]   Downloaded mime v0.3.7
[INFO] [stderr]   Downloaded socket2 v0.3.5
[INFO] [stderr]   Downloaded serde_derive v1.0.52
[INFO] [stderr]   Downloaded mongo_driver v0.12.0
[INFO] [stderr]   Downloaded rusoto_core v0.31.0
[INFO] [stderr]   Downloaded serde v1.0.52
[INFO] [stderr]   Downloaded combine v3.5.2
[INFO] [stderr]   Downloaded futures v0.1.21
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.31.0
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded hyper v0.11.26
[INFO] [stderr]   Downloaded vcpkg v0.2.3
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded base64 v0.9.1
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded rustc_version v0.2.2
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c3316df64a8cbe01e3b4d4ad745eb7676a76919c77f3c6c3a0f9a443ed7dc3e
[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" "6c3316df64a8cbe01e3b4d4ad745eb7676a76919c77f3c6c3a0f9a443ed7dc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c3316df64a8cbe01e3b4d4ad745eb7676a76919c77f3c6c3a0f9a443ed7dc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3316df64a8cbe01e3b4d4ad745eb7676a76919c77f3c6c3a0f9a443ed7dc3e", kill_on_drop: false }`
[INFO] [stdout] 6c3316df64a8cbe01e3b4d4ad745eb7676a76919c77f3c6c3a0f9a443ed7dc3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c639e697407f62a02b3c8494969abe5ee2cef13529a17d8ba12a66395530d1e
[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" "5c639e697407f62a02b3c8494969abe5ee2cef13529a17d8ba12a66395530d1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling serde v1.0.52
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling hostname v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling socket2 v0.3.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling resolv-conf v0.6.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix-web v0.7.8
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling flate2 v1.0.3
[INFO] [stderr]    Compiling mime v0.3.7
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling tokio-timer v0.2.5
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-signal v0.2.5
[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-1.7.0/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" "5c639e697407f62a02b3c8494969abe5ee2cef13529a17d8ba12a66395530d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c639e697407f62a02b3c8494969abe5ee2cef13529a17d8ba12a66395530d1e", kill_on_drop: false }`
[INFO] [stdout] 5c639e697407f62a02b3c8494969abe5ee2cef13529a17d8ba12a66395530d1e