[INFO] updating cached repository jneumann/Rust-RSS-Reader
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jneumann/Rust-RSS-Reader
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jneumann/Rust-RSS-Reader" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jneumann/Rust-RSS-Reader"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jneumann/Rust-RSS-Reader'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jneumann/Rust-RSS-Reader" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jneumann/Rust-RSS-Reader"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jneumann/Rust-RSS-Reader'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90935ac7313e5bd7b40ebeb8374f9786654254b4
[INFO] sha for GitHub repo jneumann/Rust-RSS-Reader: 90935ac7313e5bd7b40ebeb8374f9786654254b4
[INFO] validating manifest of jneumann/Rust-RSS-Reader on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jneumann/Rust-RSS-Reader on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jneumann/Rust-RSS-Reader
[INFO] finished frobbing jneumann/Rust-RSS-Reader
[INFO] frobbed toml for jneumann/Rust-RSS-Reader written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jneumann/Rust-RSS-Reader/Cargo.toml
[INFO] started frobbing jneumann/Rust-RSS-Reader
[INFO] finished frobbing jneumann/Rust-RSS-Reader
[INFO] frobbed toml for jneumann/Rust-RSS-Reader written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jneumann/Rust-RSS-Reader/Cargo.toml
[INFO] crate jneumann/Rust-RSS-Reader already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jneumann/Rust-RSS-Reader against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jneumann/Rust-RSS-Reader:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] decca3f86928fd36191d19c0231d0e148b347c118b8366f3f05422e947bf7cf6
[INFO] running `"docker" "start" "-a" "decca3f86928fd36191d19c0231d0e148b347c118b8366f3f05422e947bf7cf6"`
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking serde v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling libz-sys v1.0.13
[INFO] [stderr]     Checking mime v0.2.4
[INFO] [stderr]    Compiling curl-sys v0.3.11
[INFO] [stderr]     Checking libflate v0.1.8
[INFO] [stderr]     Checking xml-rs v0.4.1
[INFO] [stderr]     Checking encoding_rs v0.6.11
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.6.11/src/utf_16.rs:33:49
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn additional_from_state(&self) -> usize() {
[INFO] [stderr]    |                                                 ^^ only `Fn` traits may use parentheses
[INFO] [stderr] 
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking mime v0.3.2
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.12
[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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking hyper v0.10.10
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0214`.
[INFO] [stderr] error: Could not compile `encoding_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "decca3f86928fd36191d19c0231d0e148b347c118b8366f3f05422e947bf7cf6"`
[INFO] running `"docker" "rm" "-f" "decca3f86928fd36191d19c0231d0e148b347c118b8366f3f05422e947bf7cf6"`
[INFO] [stdout] decca3f86928fd36191d19c0231d0e148b347c118b8366f3f05422e947bf7cf6