[INFO] updating cached repository MainShayne233/rust_double
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MainShayne233/rust_double
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MainShayne233/rust_double" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/MainShayne233/rust_double"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/MainShayne233/rust_double'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MainShayne233/rust_double" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/MainShayne233/rust_double"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/MainShayne233/rust_double'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74fea4a205231b4bc2e62c1a3f25c73214787964
[INFO] sha for GitHub repo MainShayne233/rust_double: 74fea4a205231b4bc2e62c1a3f25c73214787964
[INFO] validating manifest of MainShayne233/rust_double on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MainShayne233/rust_double on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MainShayne233/rust_double
[INFO] finished frobbing MainShayne233/rust_double
[INFO] frobbed toml for MainShayne233/rust_double written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/MainShayne233/rust_double/Cargo.toml
[INFO] started frobbing MainShayne233/rust_double
[INFO] finished frobbing MainShayne233/rust_double
[INFO] frobbed toml for MainShayne233/rust_double written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/MainShayne233/rust_double/Cargo.toml
[INFO] crate MainShayne233/rust_double already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking MainShayne233/rust_double against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/MainShayne233/rust_double:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 846f86d1c0ee55524074f7122eb48ed4d49e3eebf171b912a5a3c0013acddd60
[INFO] running `"docker" "start" "-a" "846f86d1c0ee55524074f7122eb48ed4d49e3eebf171b912a5a3c0013acddd60"`
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]    Compiling actix-web v0.6.13
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]     Checking h2 v0.1.9
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[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]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]     Checking trust-dns-proto v0.3.3
[INFO] [stderr]     Checking tokio-signal v0.1.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling cargo_metadata v0.5.6
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]     Checking trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling actix v0.5.8
[INFO] [stderr]     Checking cookie v0.10.1
[INFO] [stderr]     Checking rust_double v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.31s
[INFO] running `"docker" "inspect" "846f86d1c0ee55524074f7122eb48ed4d49e3eebf171b912a5a3c0013acddd60"`
[INFO] running `"docker" "rm" "-f" "846f86d1c0ee55524074f7122eb48ed4d49e3eebf171b912a5a3c0013acddd60"`
[INFO] [stdout] 846f86d1c0ee55524074f7122eb48ed4d49e3eebf171b912a5a3c0013acddd60