[INFO] updating cached repository jakecoffman/rust-rest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jakecoffman/rust-rest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jakecoffman/rust-rest" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jakecoffman/rust-rest"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jakecoffman/rust-rest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jakecoffman/rust-rest" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jakecoffman/rust-rest"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jakecoffman/rust-rest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0b93915708734480bd2f530fee8e8171f680d3dd
[INFO] sha for GitHub repo jakecoffman/rust-rest: 0b93915708734480bd2f530fee8e8171f680d3dd
[INFO] validating manifest of jakecoffman/rust-rest on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jakecoffman/rust-rest on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jakecoffman/rust-rest
[INFO] finished frobbing jakecoffman/rust-rest
[INFO] frobbed toml for jakecoffman/rust-rest written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jakecoffman/rust-rest/Cargo.toml
[INFO] started frobbing jakecoffman/rust-rest
[INFO] finished frobbing jakecoffman/rust-rest
[INFO] frobbed toml for jakecoffman/rust-rest written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jakecoffman/rust-rest/Cargo.toml
[INFO] crate jakecoffman/rust-rest already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jakecoffman/rust-rest against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jakecoffman/rust-rest:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d1482b6b66f3ba8c914b719010bfe55dd6191ee362df1049e5784fc3f3793802
[INFO] running `"docker" "start" "-a" "d1482b6b66f3ba8c914b719010bfe55dd6191ee362df1049e5784fc3f3793802"`
[INFO] [stderr]    Compiling serde v1.0.49
[INFO] [stderr]     Checking horrorshow v0.6.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling actix-web v0.5.6
[INFO] [stderr]     Checking hostname v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking uuid v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking resolv-conf v0.6.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.7
[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] 
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.49
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking h2 v0.1.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking askama_shared v0.6.2
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking trust-dns-proto v0.3.3
[INFO] [stderr]     Checking tokio-signal v0.1.5
[INFO] [stderr]     Checking postgres-shared v0.4.1
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]    Compiling diesel_derives v1.2.0
[INFO] [stderr]    Compiling askama_derive v0.6.4
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]     Checking trust-dns-resolver v0.8.2
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]     Checking diesel v1.2.2
[INFO] [stderr]     Checking cookie v0.10.1
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]     Checking askama v0.6.4
[INFO] [stderr]    Compiling actix v0.5.6
[INFO] [stderr]     Checking rust-rest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `"docker" "inspect" "d1482b6b66f3ba8c914b719010bfe55dd6191ee362df1049e5784fc3f3793802"`
[INFO] running `"docker" "rm" "-f" "d1482b6b66f3ba8c914b719010bfe55dd6191ee362df1049e5784fc3f3793802"`
[INFO] [stdout] d1482b6b66f3ba8c914b719010bfe55dd6191ee362df1049e5784fc3f3793802