[INFO] updating cached repository rust-nyc/rust.nyc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-nyc/rust.nyc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-nyc/rust.nyc" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-nyc/rust.nyc"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-nyc/rust.nyc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-nyc/rust.nyc" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/rust-nyc/rust.nyc"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/rust-nyc/rust.nyc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5886b28c877951fe95b5192349885b8ed0a0dd6d
[INFO] sha for GitHub repo rust-nyc/rust.nyc: 5886b28c877951fe95b5192349885b8ed0a0dd6d
[INFO] validating manifest of rust-nyc/rust.nyc on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-nyc/rust.nyc on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-nyc/rust.nyc
[INFO] finished frobbing rust-nyc/rust.nyc
[INFO] frobbed toml for rust-nyc/rust.nyc written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-nyc/rust.nyc/Cargo.toml
[INFO] started frobbing rust-nyc/rust.nyc
[INFO] finished frobbing rust-nyc/rust.nyc
[INFO] frobbed toml for rust-nyc/rust.nyc written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/rust-nyc/rust.nyc/Cargo.toml
[INFO] crate rust-nyc/rust.nyc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-nyc/rust.nyc against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-2/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/rust-nyc/rust.nyc:/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 354f461ca931cddbe7723aeb3d44f49409d205b10d9b00990e5274d57f0fa4d8
[INFO] running `"docker" "start" "-a" "354f461ca931cddbe7723aeb3d44f49409d205b10d9b00990e5274d57f0fa4d8"`
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking url v1.4.0
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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 iron v0.5.1
[INFO] [stderr]     Checking rust-nyc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `req_`
[INFO] [stderr]   --> src/main.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn respond(req_: &mut Request) -> Result<Response, IronError> {
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_req_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req_`
[INFO] [stderr]   --> src/main.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn respond(req_: &mut Request) -> Result<Response, IronError> {
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_req_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `"docker" "inspect" "354f461ca931cddbe7723aeb3d44f49409d205b10d9b00990e5274d57f0fa4d8"`
[INFO] running `"docker" "rm" "-f" "354f461ca931cddbe7723aeb3d44f49409d205b10d9b00990e5274d57f0fa4d8"`
[INFO] [stdout] 354f461ca931cddbe7723aeb3d44f49409d205b10d9b00990e5274d57f0fa4d8