[INFO] updating cached repository Leopard2A5/rust-raft-leader-election
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Leopard2A5/rust-raft-leader-election
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Leopard2A5/rust-raft-leader-election" "work/ex/beta-1.38-1/sources/1.37.0/gh/Leopard2A5/rust-raft-leader-election"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Leopard2A5/rust-raft-leader-election'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Leopard2A5/rust-raft-leader-election" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Leopard2A5/rust-raft-leader-election"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Leopard2A5/rust-raft-leader-election'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 641d38d4ca207e9575df08648433be86c31c2b54
[INFO] sha for GitHub repo Leopard2A5/rust-raft-leader-election: 641d38d4ca207e9575df08648433be86c31c2b54
[INFO] validating manifest of Leopard2A5/rust-raft-leader-election on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Leopard2A5/rust-raft-leader-election on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Leopard2A5/rust-raft-leader-election
[INFO] finished frobbing Leopard2A5/rust-raft-leader-election
[INFO] frobbed toml for Leopard2A5/rust-raft-leader-election written to work/ex/beta-1.38-1/sources/1.37.0/gh/Leopard2A5/rust-raft-leader-election/Cargo.toml
[INFO] started frobbing Leopard2A5/rust-raft-leader-election
[INFO] finished frobbing Leopard2A5/rust-raft-leader-election
[INFO] frobbed toml for Leopard2A5/rust-raft-leader-election written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Leopard2A5/rust-raft-leader-election/Cargo.toml
[INFO] crate Leopard2A5/rust-raft-leader-election already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Leopard2A5/rust-raft-leader-election against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Leopard2A5/rust-raft-leader-election:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 47a85b9c2280f391536f8390ea7e07fdcc2b27a4513b2853f2e2eb7e5b659d48
[INFO] running `"docker" "start" "-a" "47a85b9c2280f391536f8390ea7e07fdcc2b27a4513b2853f2e2eb7e5b659d48"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-web v0.6.14
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/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]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling libflate v0.1.16
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.5
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling reqwest v0.8.6
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.5.6
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling actix v0.5.8
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `"docker" "inspect" "47a85b9c2280f391536f8390ea7e07fdcc2b27a4513b2853f2e2eb7e5b659d48"`
[INFO] running `"docker" "rm" "-f" "47a85b9c2280f391536f8390ea7e07fdcc2b27a4513b2853f2e2eb7e5b659d48"`
[INFO] [stdout] 47a85b9c2280f391536f8390ea7e07fdcc2b27a4513b2853f2e2eb7e5b659d48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Leopard2A5/rust-raft-leader-election:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 45d4cddc88d97c744319b983d61c0c1dd598ff9bae7f7b2260e87a39ec3d4338
[INFO] running `"docker" "start" "-a" "45d4cddc88d97c744319b983d61c0c1dd598ff9bae7f7b2260e87a39ec3d4338"`
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `"docker" "inspect" "45d4cddc88d97c744319b983d61c0c1dd598ff9bae7f7b2260e87a39ec3d4338"`
[INFO] running `"docker" "rm" "-f" "45d4cddc88d97c744319b983d61c0c1dd598ff9bae7f7b2260e87a39ec3d4338"`
[INFO] [stdout] 45d4cddc88d97c744319b983d61c0c1dd598ff9bae7f7b2260e87a39ec3d4338
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Leopard2A5/rust-raft-leader-election:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e92a290e92041841544b76a5b5a154fbabbafe6d6e560de9332eecc5825e5b18
[INFO] running `"docker" "start" "-a" "e92a290e92041841544b76a5b5a154fbabbafe6d6e560de9332eecc5825e5b18"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/raft-f1cb1fa7dd5fb8be
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e92a290e92041841544b76a5b5a154fbabbafe6d6e560de9332eecc5825e5b18"`
[INFO] running `"docker" "rm" "-f" "e92a290e92041841544b76a5b5a154fbabbafe6d6e560de9332eecc5825e5b18"`
[INFO] [stdout] e92a290e92041841544b76a5b5a154fbabbafe6d6e560de9332eecc5825e5b18