[INFO] updating cached repository ivandardi/RustBot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ivandardi/RustBot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ivandardi/RustBot" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ivandardi/RustBot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ivandardi/RustBot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ivandardi/RustBot" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ivandardi/RustBot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ivandardi/RustBot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29420a3dde340179b1e8b19ff41e70cd0795a4c5
[INFO] sha for GitHub repo ivandardi/RustBot: 29420a3dde340179b1e8b19ff41e70cd0795a4c5
[INFO] validating manifest of ivandardi/RustBot on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ivandardi/RustBot on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ivandardi/RustBot
[INFO] finished frobbing ivandardi/RustBot
[INFO] frobbed toml for ivandardi/RustBot written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/ivandardi/RustBot/Cargo.toml
[INFO] started frobbing ivandardi/RustBot
[INFO] finished frobbing ivandardi/RustBot
[INFO] frobbed toml for ivandardi/RustBot written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ivandardi/RustBot/Cargo.toml
[INFO] crate ivandardi/RustBot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ivandardi/RustBot against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/ivandardi/RustBot:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9bb28274534da8be142a84c254c04f876e22dc454283a9211947f7d4e8d8c77c
[INFO] running `"docker" "start" "-a" "9bb28274534da8be142a84c254c04f876e22dc454283a9211947f7d4e8d8c77c"`
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking miniz-sys v0.1.9
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking parking_lot v0.4.4
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: Could not compile `url`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9bb28274534da8be142a84c254c04f876e22dc454283a9211947f7d4e8d8c77c"`
[INFO] running `"docker" "rm" "-f" "9bb28274534da8be142a84c254c04f876e22dc454283a9211947f7d4e8d8c77c"`
[INFO] [stdout] 9bb28274534da8be142a84c254c04f876e22dc454283a9211947f7d4e8d8c77c