[INFO] fetching crate socket-collection 0.4.0...
[INFO] checking socket-collection-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate socket-collection 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate socket-collection 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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 ordered-float v1.1.1
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
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[INFO] [stderr]   Downloaded zip v0.3.3
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[INFO] [stderr]   Downloaded hamcrest2 v0.2.6
[INFO] [stderr]   Downloaded url v1.5.1
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[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded native-tls v0.2.4
[INFO] [stderr]   Downloaded crypto-mac v0.6.2
[INFO] [stderr]   Downloaded unwrap v1.2.1
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[INFO] [stderr]   Downloaded http_req v0.2.1
[INFO] [stderr]   Downloaded safe_crypto v0.5.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.4
[INFO] [stderr]   Downloaded rust_sodium-sys v0.10.4
[INFO] [stderr]   Downloaded ws v0.7.3
[INFO] [stderr]   Downloaded maidsafe_utilities v0.16.0
[INFO] [stderr]   Downloaded rust_sodium v0.10.2
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded hmac v0.6.3
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[INFO] [stderr]   Downloaded pbkdf2 v0.2.3
[INFO] [stderr]   Downloaded scrypt v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1a7b867e2ea18ec59f7cfbd2d12a1d59c82dff89867a738f5005af6c60121ec
[INFO] running `Command { std: "docker" "start" "-a" "a1a7b867e2ea18ec59f7cfbd2d12a1d59c82dff89867a738f5005af6c60121ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a7b867e2ea18ec59f7cfbd2d12a1d59c82dff89867a738f5005af6c60121ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a7b867e2ea18ec59f7cfbd2d12a1d59c82dff89867a738f5005af6c60121ec", kill_on_drop: false }`
[INFO] [stdout] a1a7b867e2ea18ec59f7cfbd2d12a1d59c82dff89867a738f5005af6c60121ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf9041ff113a0ae0dbe0f6b252bf35adb4da2431b38b73b491b38a1f2f06cef4
[INFO] running `Command { std: "docker" "start" "-a" "cf9041ff113a0ae0dbe0f6b252bf35adb4da2431b38b73b491b38a1f2f06cef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking tiny-keccak v1.4.4
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking log v0.3.9
[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` 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" "cf9041ff113a0ae0dbe0f6b252bf35adb4da2431b38b73b491b38a1f2f06cef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9041ff113a0ae0dbe0f6b252bf35adb4da2431b38b73b491b38a1f2f06cef4", kill_on_drop: false }`
[INFO] [stdout] cf9041ff113a0ae0dbe0f6b252bf35adb4da2431b38b73b491b38a1f2f06cef4