[INFO] updating cached repository dholroyd/whatf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dholroyd/whatf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dholroyd/whatf" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dholroyd/whatf"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dholroyd/whatf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dholroyd/whatf" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/dholroyd/whatf"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/dholroyd/whatf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c7b09a39cca1e940858236d6996e0687c94f04b
[INFO] sha for GitHub repo dholroyd/whatf: 3c7b09a39cca1e940858236d6996e0687c94f04b
[INFO] validating manifest of dholroyd/whatf 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 dholroyd/whatf 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 dholroyd/whatf
[INFO] finished frobbing dholroyd/whatf
[INFO] frobbed toml for dholroyd/whatf written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dholroyd/whatf/Cargo.toml
[INFO] started frobbing dholroyd/whatf
[INFO] finished frobbing dholroyd/whatf
[INFO] frobbed toml for dholroyd/whatf written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/dholroyd/whatf/Cargo.toml
[INFO] crate dholroyd/whatf 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 dholroyd/whatf 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/dholroyd/whatf:/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] 9aa891a5435a33aa1473e95bc5030a48e3db36edbba258bbb13e45da055a45b7
[INFO] running `"docker" "start" "-a" "9aa891a5435a33aa1473e95bc5030a48e3db36edbba258bbb13e45da055a45b7"`
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]     Checking quote v0.3.13
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking xml-rs v0.1.26
[INFO] [stderr]     Checking toml v0.3.1
[INFO] [stderr]    Compiling hyper v0.11.0-a.0 (https://github.com/hyperium/hyper.git#d63b7de4)
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr]     Checking bytes v0.4.1
[INFO] [stderr]     Checking clap v2.22.0
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[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 tokio-io v0.1.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling syntex_syntax v0.54.0
[INFO] [stderr]     Checking serde_urlencoded v0.3.0
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]     Checking flate2 v0.2.17
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking hdrsample v3.0.0
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr] error[E0423]: expected function, found struct `ast::Name`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.54.0/src/symbol.rs:146:27
[INFO] [stderr]     |
[INFO] [stderr] 146 |                       name: ast::Name($index),
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 165 | / declare_keywords! {
[INFO] [stderr] 166 | |     // Invalid identifier
[INFO] [stderr] 167 | |     (0,  Invalid,        "")
[INFO] [stderr] 168 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stderr] 232 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr] error[E0423]: expected function, found struct `ast::Name`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.54.0/src/symbol.rs:146:27
[INFO] [stderr]     |
[INFO] [stderr] 146 |                       name: ast::Name($index),
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 165 | / declare_keywords! {
[INFO] [stderr] 166 | |     // Invalid identifier
[INFO] [stderr] 167 | |     (0,  Invalid,        "")
[INFO] [stderr] 168 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stderr] 232 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.2
[INFO] [stderr]    Compiling Inflector v0.6.0
[INFO] [stderr]     Checking reqwest v0.3.0
[INFO] [stderr]     Checking hyper-native-tls v0.2.2
[INFO] [stderr]     Checking rusoto_credential v0.4.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0423`.
[INFO] [stderr] error: Could not compile `syntex_syntax`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0423`.
[INFO] [stderr] error: Could not compile `syntex_syntax`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9aa891a5435a33aa1473e95bc5030a48e3db36edbba258bbb13e45da055a45b7"`
[INFO] running `"docker" "rm" "-f" "9aa891a5435a33aa1473e95bc5030a48e3db36edbba258bbb13e45da055a45b7"`
[INFO] [stdout] 9aa891a5435a33aa1473e95bc5030a48e3db36edbba258bbb13e45da055a45b7