[INFO] fetching crate secure_serialisation 0.5.0...
[INFO] testing secure_serialisation-0.5.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate secure_serialisation 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate secure_serialisation 0.5.0 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 secure_serialisation 0.5.0
[INFO] finished tweaking crates.io crate secure_serialisation 0.5.0
[INFO] tweaked toml for crates.io crate secure_serialisation 0.5.0 written to /workspace/builds/worker-0/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 ws v0.7.3
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] [stderr]   Downloaded log4rs v0.7.0
[INFO] [stderr]   Downloaded maidsafe_utilities v0.14.1
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded config_file_handler v0.8.3
[INFO] [stderr]   Downloaded rust_sodium v0.7.0
[INFO] [stderr]   Downloaded unwrap v1.1.0
[INFO] [stderr]   Downloaded rust_sodium-sys v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 663d504c281508bdb392e83a6580e4c1a3716ab04e44dce19fbb9ba3e10333e1
[INFO] running `Command { std: "docker" "start" "-a" "663d504c281508bdb392e83a6580e4c1a3716ab04e44dce19fbb9ba3e10333e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "663d504c281508bdb392e83a6580e4c1a3716ab04e44dce19fbb9ba3e10333e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663d504c281508bdb392e83a6580e4c1a3716ab04e44dce19fbb9ba3e10333e1", kill_on_drop: false }`
[INFO] [stdout] 663d504c281508bdb392e83a6580e4c1a3716ab04e44dce19fbb9ba3e10333e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 92d355990d1c0d16c5bb8ac419fd75ab4239fe6f3811db511ed21f501d1d198e
[INFO] running `Command { std: "docker" "start" "-a" "92d355990d1c0d16c5bb8ac419fd75ab4239fe6f3811db511ed21f501d1d198e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling rand v0.3.23
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[INFO] [stderr]    Compiling num-traits v0.1.43
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[INFO] [stderr]    Compiling num v0.1.42
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[INFO] [stderr]    Compiling url v1.5.1
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[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" "92d355990d1c0d16c5bb8ac419fd75ab4239fe6f3811db511ed21f501d1d198e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d355990d1c0d16c5bb8ac419fd75ab4239fe6f3811db511ed21f501d1d198e", kill_on_drop: false }`
[INFO] [stdout] 92d355990d1c0d16c5bb8ac419fd75ab4239fe6f3811db511ed21f501d1d198e