[INFO] fetching crate socket-collection 0.4.0...
[INFO] testing socket-collection-0.4.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate socket-collection 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate socket-collection 0.4.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate socket-collection 0.4.0
[INFO] finished tweaking crates.io crate socket-collection 0.4.0
[INFO] tweaked toml for crates.io crate socket-collection 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest v0.8.7
[INFO] [stderr]   Downloaded maidsafe_utilities v0.17.0
[INFO] [stderr]   Downloaded maidsafe_utilities v0.16.0
[INFO] [stderr]   Downloaded safe_crypto v0.5.0
[INFO] [stderr]   Downloaded hmac v0.6.3
[INFO] [stderr]   Downloaded config_file_handler v0.11.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.4
[INFO] [stderr]   Downloaded pbkdf2 v0.2.3
[INFO] [stderr]   Downloaded hamcrest2 v0.2.6
[INFO] [stderr]   Downloaded scrypt v0.1.2
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 947fe6e9296f781754200318bc916b9c087d3bc3b37afe3a95539cd6747968f6
[INFO] running `Command { std: "docker" "start" "-a" "947fe6e9296f781754200318bc916b9c087d3bc3b37afe3a95539cd6747968f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "947fe6e9296f781754200318bc916b9c087d3bc3b37afe3a95539cd6747968f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947fe6e9296f781754200318bc916b9c087d3bc3b37afe3a95539cd6747968f6", kill_on_drop: false }`
[INFO] [stdout] 947fe6e9296f781754200318bc916b9c087d3bc3b37afe3a95539cd6747968f6
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d9301505b9b36ffb999b4318396e71b2e131583b93b32beb14e20591bf1c103
[INFO] running `Command { std: "docker" "start" "-a" "7d9301505b9b36ffb999b4318396e71b2e131583b93b32beb14e20591bf1c103", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling tiny-keccak v1.4.4
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling hmac v0.6.3
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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" "7d9301505b9b36ffb999b4318396e71b2e131583b93b32beb14e20591bf1c103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9301505b9b36ffb999b4318396e71b2e131583b93b32beb14e20591bf1c103", kill_on_drop: false }`
[INFO] [stdout] 7d9301505b9b36ffb999b4318396e71b2e131583b93b32beb14e20591bf1c103