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# rustc version
rustc 1.22.0-dev (b1cfd1750 2017-09-21)# docs.rs version
cratesfyi 0.4.2 (13da7b2 2017-10-12)# build log
Updating registry `https://github.com/rust-lang/crates.io-index`
Downloading intercom v0.2.0
Fresh sha1 v0.3.0
Fresh unicode-xid v0.0.4
Fresh quote v0.3.15
Fresh synom v0.11.3
Fresh syn v0.11.11
Compiling intercom-common v0.2.0
Running `rustc --crate-name intercom_common .cargo/registry/src/github.com-1ecc6299db9ec823/intercom-common-0.2.0/src/lib.rs --crate-type lib --emit=dep-info,link -C debuginfo=2 -C metadata=70d37b5670089973 -C extra-filename=-70d37b5670089973 --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern sha1=/home/cratesfyi/cratesfyi/debug/deps/libsha1-c2eb3c46f625a1b0.rlib --extern-version sha1=sha1,0.3.0 --extern quote=/home/cratesfyi/cratesfyi/debug/deps/libquote-983cfcbeae6039c8.rlib --extern-version quote=quote,0.3.15 --extern syn=/home/cratesfyi/cratesfyi/debug/deps/libsyn-2463a2250ecf76cd.rlib --extern-version syn=syn,0.11.11 --cap-lints allow`
error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
--> .cargo/registry/src/github.com-1ecc6299db9ec823/intercom-common-0.2.0/src/methodinfo.rs:134:24
|
134 | let last_segment = path.segments.last()?;
| ---------------------
| |
| the `?` operator cannot be applied to type `std::option::Option<&syn::PathSegment>`
| in this macro invocation
|
= help: the trait `std::ops::Try` is not implemented for `std::option::Option<&syn::PathSegment>`
= note: required by `std::ops::Try::into_result`
error[E0277]: the `?` operator can only be used in a function that returns `Result` (or another type that implements `std::ops::Try`)
--> .cargo/registry/src/github.com-1ecc6299db9ec823/intercom-common-0.2.0/src/methodinfo.rs:134:24
|
134 | let last_segment = path.segments.last()?;
| ---------------------
| |
| cannot use the `?` operator in a function that returns `std::option::Option<(syn::Ty, syn::Ty)>`
| in this macro invocation
|
= help: the trait `std::ops::Try` is not implemented for `std::option::Option<(syn::Ty, syn::Ty)>`
= note: required by `std::ops::Try::from_error`
error: aborting due to 2 previous errors
thread 'main' panicked at 'ChainedError {
error: Could not compile `intercom-common`.,
cause: process didn't exit successfully: `rustc --crate-name intercom_common .cargo/registry/src/github.com-1ecc6299db9ec823/intercom-common-0.2.0/src/lib.rs --crate-type lib --emit=dep-info,link -C debuginfo=2 -C metadata=70d37b5670089973 -C extra-filename=-70d37b5670089973 --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern sha1=/home/cratesfyi/cratesfyi/debug/deps/libsha1-c2eb3c46f625a1b0.rlib --extern-version sha1=sha1,0.3.0 --extern quote=/home/cratesfyi/cratesfyi/debug/deps/libquote-983cfcbeae6039c8.rlib --extern-version quote=quote,0.3.15 --extern syn=/home/cratesfyi/cratesfyi/debug/deps/libsyn-2463a2250ecf76cd.rlib --extern-version syn=syn,0.11.11 --cap-lints allow` (exit code: 101)
}', src/bin/cratesfyi.rs:142
note: Run with `RUST_BACKTRACE=1` for a backtrace.