[INFO] updating cached repository https://github.com/Leopard2A5/rust-raft-leader-election
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 641d38d4ca207e9575df08648433be86c31c2b54
[INFO] checking Leopard2A5/rust-raft-leader-election against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeopard2A5%2Frust-raft-leader-election" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Leopard2A5/rust-raft-leader-election on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Leopard2A5/rust-raft-leader-election
[INFO] finished tweaking git repo https://github.com/Leopard2A5/rust-raft-leader-election
[INFO] tweaked toml for git repo https://github.com/Leopard2A5/rust-raft-leader-election written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Leopard2A5/rust-raft-leader-election already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c635b4a7f68cd504631a91dade03908111ed920123f9906674e07c0c61126944
[INFO] running `"docker" "start" "-a" "c635b4a7f68cd504631a91dade03908111ed920123f9906674e07c0c61126944"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling serde v1.0.68
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]     Checking http v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.4
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]     Checking tokio-codec v0.1.0
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[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
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[INFO] [stderr]     Checking tokio-udp v0.1.1
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[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.5
[INFO] [stderr]     Checking tokio v0.1.7
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[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking trust-dns-proto v0.3.3
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[INFO] [stderr]    Compiling cargo_metadata v0.5.6
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]     Checking cookie v0.10.1
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]    Compiling actix v0.5.8
[INFO] [stderr]     Checking reqwest v0.8.6
[INFO] [stderr]     Checking raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `"docker" "inspect" "c635b4a7f68cd504631a91dade03908111ed920123f9906674e07c0c61126944"`
[INFO] running `"docker" "rm" "-f" "c635b4a7f68cd504631a91dade03908111ed920123f9906674e07c0c61126944"`
[INFO] [stdout] c635b4a7f68cd504631a91dade03908111ed920123f9906674e07c0c61126944