[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/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Leopard2A5/rust-raft-leader-election"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Leopard2A5/rust-raft-leader-election'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Leopard2A5/rust-raft-leader-election" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Leopard2A5/rust-raft-leader-election"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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 master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Leopard2A5/rust-raft-leader-election on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "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/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Leopard2A5/rust-raft-leader-election against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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=forbid" "-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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 159e2faab5a0465dfafbc2300429f345ddf661ac577ae042abb4da54bcc16826 [INFO] running `"docker" "start" "-a" "159e2faab5a0465dfafbc2300429f345ddf661ac577ae042abb4da54bcc16826"` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling lazy_static v1.0.1 [INFO] [stderr] Compiling rustc-demangle v0.1.8 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Compiling same-file v1.0.2 [INFO] [stderr] Compiling bytecount v0.3.1 [INFO] [stderr] Checking http-range v0.1.1 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking encoding_rs v0.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling actix-web v0.6.14 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking want v0.0.4 [INFO] [stderr] Compiling serde v1.0.68 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Checking resolv-conf v0.6.1 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Compiling walkdir v2.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking brotli-sys v0.3.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking url v1.7.0 [INFO] [stderr] Compiling actix_derive v0.2.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking tokio-threadpool v0.1.4 [INFO] [stderr] Checking 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 serde_derive v1.0.68 [INFO] [stderr] Checking backtrace v0.2.3 [INFO] [stderr] Checking mio-uds v0.6.6 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking h2 v0.1.10 [INFO] [stderr] Checking libflate v0.1.16 [INFO] [stderr] Checking env_logger v0.5.10 [INFO] [stderr] Checking crossbeam-channel v0.1.3 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Checking serde_urlencoded v0.5.2 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking error-chain v0.1.12 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.5 [INFO] [stderr] Checking tokio v0.1.7 [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 rayon v0.8.2 [INFO] [stderr] Compiling serde_json v1.0.22 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking trust-dns-proto v0.3.3 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking tokio-signal v0.1.5 [INFO] [stderr] Compiling ring v0.12.1 [INFO] [stderr] Compiling cargo_metadata v0.5.6 [INFO] [stderr] Checking trust-dns-resolver v0.8.2 [INFO] [stderr] Checking hyper v0.11.27 [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/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 59s [INFO] running `"docker" "inspect" "159e2faab5a0465dfafbc2300429f345ddf661ac577ae042abb4da54bcc16826"` [INFO] running `"docker" "rm" "-f" "159e2faab5a0465dfafbc2300429f345ddf661ac577ae042abb4da54bcc16826"` [INFO] [stdout] 159e2faab5a0465dfafbc2300429f345ddf661ac577ae042abb4da54bcc16826