[INFO] updating cached repository arthurprs/floki
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arthurprs/floki
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arthurprs/floki" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/arthurprs/floki"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/arthurprs/floki'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arthurprs/floki" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/arthurprs/floki"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/arthurprs/floki'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8758b9dd276ca25abf7c970c3196e3b230a061d9
[INFO] sha for GitHub repo arthurprs/floki: 8758b9dd276ca25abf7c970c3196e3b230a061d9
[INFO] validating manifest of arthurprs/floki 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 arthurprs/floki 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 arthurprs/floki
[INFO] finished frobbing arthurprs/floki
[INFO] frobbed toml for arthurprs/floki written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/arthurprs/floki/Cargo.toml
[INFO] started frobbing arthurprs/floki
[INFO] finished frobbing arthurprs/floki
[INFO] frobbed toml for arthurprs/floki written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/arthurprs/floki/Cargo.toml
[INFO] crate arthurprs/floki 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 arthurprs/floki against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/arthurprs/floki:/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] 7f963a3e15dde9ca16773e9dcb73259a6ef47601ff7939ee77e9665b7c20cf4a
[INFO] running `"docker" "start" "-a" "7f963a3e15dde9ca16773e9dcb73259a6ef47601ff7939ee77e9665b7c20cf4a"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking spin v0.4.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking unicode-bidi v0.3.2
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking promising-future v0.2.4
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking regex v0.2.2
[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/twox-hash-1.1.0/src/number_streams.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn count(self) -> usize() {
[INFO] [stderr]    |                            ^^ only `Fn` traits may use parentheses
[INFO] [stderr] ...
[INFO] [stderr] 74 | number_stream!(U32FromBytes, u32, U32_BYTES);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[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/twox-hash-1.1.0/src/number_streams.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn count(self) -> usize() {
[INFO] [stderr]    |                            ^^ only `Fn` traits may use parentheses
[INFO] [stderr] ...
[INFO] [stderr] 75 | number_stream!(U64FromBytes, u64, U64_BYTES);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking tendril v0.1.6 (https://github.com/arthurprs/tendril.git?rev=11149061dac78e7dd73f19b5a02d521547d7a443#11149061)
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0214`.
[INFO] [stderr] error: Could not compile `twox-hash`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: build failed
[INFO] running `"docker" "inspect" "7f963a3e15dde9ca16773e9dcb73259a6ef47601ff7939ee77e9665b7c20cf4a"`
[INFO] running `"docker" "rm" "-f" "7f963a3e15dde9ca16773e9dcb73259a6ef47601ff7939ee77e9665b7c20cf4a"`
[INFO] [stdout] 7f963a3e15dde9ca16773e9dcb73259a6ef47601ff7939ee77e9665b7c20cf4a