[THRIFT-4536] [Rust] library fails to build with nightly due to try_from error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Component/s: Rust - Library
• Assignee: Unassigned
• Reporter: Chao Sun
• Created: 29/Mar/18 18:21
• Updated: 19/Apr/19 00:15
• Resolved: 03/Apr/18 00:14

Description

When trying to build the library with rustc nightly, I got the following error:

    Updating registry `https://github.com/rust-lang/crates.io-index`
   Compiling libc v0.2.40
   Compiling cfg-if v0.1.2
   Compiling integer-encoding v1.0.5
   Compiling byteorder v1.2.1
   Compiling try_from v0.2.2
   Compiling log v0.4.1
error[E0034]: multiple applicable items in scope
  --> /Users/chao/.cargo/registry/src/github.com-1ecc6299db9ec823/try_from-0.2.2/src/char.rs:46:23
   |
46 |                 match u32::try_from(n)? {
   |                       ^^^^^^^^^^^^^ multiple `try_from` found
...
58 | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize);
   | ------------------------------------------------------------------ in this macro invocation
   |
note: candidate #1 is defined in the trait `TryFrom`
  --> /Users/chao/.cargo/registry/src/github.com-1ecc6299db9ec823/try_from-0.2.2/src/lib.rs:11:5
   |
11 |     fn try_from(T) -> Result<Self, Self::Err>;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = help: to disambiguate the method call, write `TryFrom::try_from(...)` instead
note: candidate #2 is defined in the trait `std::convert::TryFrom`
   = help: to disambiguate the method call, write `std::convert::TryFrom::try_from(...)` instead

error: aborting due to previous error

For more information about this error, try `rustc --explain E0034`.
error: Could not compile `try_from`.
warning: build failed, waiting for other jobs to finish...
error: build failed

cc allengeorge

Issue Links

• links to: GitHub Pull Request #1752
• links to: GitHub Pull Request #1781