[INFO] updating cached repository madadam/rust-async-experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/madadam/rust-async-experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/madadam/rust-async-experiments" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/madadam/rust-async-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/madadam/rust-async-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/madadam/rust-async-experiments" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/madadam/rust-async-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/madadam/rust-async-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e420cfbc4852492603239c1fa08ddd827cbe6d6
[INFO] sha for GitHub repo madadam/rust-async-experiments: 6e420cfbc4852492603239c1fa08ddd827cbe6d6
[INFO] validating manifest of madadam/rust-async-experiments 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 madadam/rust-async-experiments 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 madadam/rust-async-experiments
[INFO] finished frobbing madadam/rust-async-experiments
[INFO] frobbed toml for madadam/rust-async-experiments written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/madadam/rust-async-experiments/Cargo.toml
[INFO] started frobbing madadam/rust-async-experiments
[INFO] finished frobbing madadam/rust-async-experiments
[INFO] frobbed toml for madadam/rust-async-experiments written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/madadam/rust-async-experiments/Cargo.toml
[INFO] crate madadam/rust-async-experiments 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 madadam/rust-async-experiments 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/madadam/rust-async-experiments:/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] 350242ae38866e82c878a98d64e5a3b0d65aa8dd66bf24a914df4fbbbe54cd22
[INFO] running `"docker" "start" "-a" "350242ae38866e82c878a98d64e5a3b0d65aa8dd66bf24a914df4fbbbe54cd22"`
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking httparse v1.1.2
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.3.5
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking unwrap v1.1.0
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 |                                             &f_name: &str,
[INFO] [stderr]     |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking humantime v0.1.3
[INFO] [stderr]     Checking futures v0.1.1 (https://github.com/alexcrichton/futures-rs#59de7fe6)
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/lib.rs:185:18
[INFO] [stderr]     |
[INFO] [stderr] 185 | impl<'a, K: Key, A: ?Sized + UnsafeAnyExt + 'a = UnsafeAny> Entry<'a, K, A> {
[INFO] [stderr]     |                  ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `typemap`.
[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 E0642`.
[INFO] [stderr] error: Could not compile `rustc-serialize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "350242ae38866e82c878a98d64e5a3b0d65aa8dd66bf24a914df4fbbbe54cd22"`
[INFO] running `"docker" "rm" "-f" "350242ae38866e82c878a98d64e5a3b0d65aa8dd66bf24a914df4fbbbe54cd22"`
[INFO] [stdout] 350242ae38866e82c878a98d64e5a3b0d65aa8dd66bf24a914df4fbbbe54cd22