用目前最新的 nightly 版本编译,发现编译错误: error[E0277]: the trait bound `std::cell::Cell: std::marker::Sync` is not satisfied 因为这个 bug 在最新的 nightly 版本上修复了,编译器正确地拒绝了这段代码编译通过。 原因分析 join 函数的签名是这样的: pub fn join<A, B, RA, RB>(oper_a: A...
error[E0277]: the trait bound `三角形: 求面积` is not satisfied --> src/main.rs:36:29 | 36 | println!("Area: {}", 面积(&_某三角)); | --- ^^^ the trait `求面积` is not implemented for `三角形` | | | required by a bound introduced by this call | = help: the trait...
error[E0277]: the trait bound `(): std::ops::Try` is not satisfied --> src/main.rs:4:13 | 4 | let f = File::open("hello.txt")?; | --- | | | the `?` operator can only be used in a function that returns `Result` (or another type that implements `std::ops::Try`...
itertools::Itertools::cartesian_product返回itertools::Product类型的值，该值实现std的Iterator。然而，Ray...
error[E0277]:the trait bound`HackEndpointSet: EndpointStateSealed`is not satisfied-->src/main.rs:71:28|71|impl EndpointStateforHackEndpointSet{}|^^^the trait`EndpointStateSealed`is not implementedfor`HackEndpointSet`|=help:the following other types implement trait`EndpointStateSealed`:oauth::...
{integer}: SampleRange<_>` is not satisfied --> src/crypto/crypto.rs:115:45 | 115 | let index = rand::thread_rng().gen_range(2499); | --- ^^^ the trait `SampleRange<_>` is not implemented for `{integer}` | | | required by a bound introduced by this call...
error[E0277]:thetraitbound`&[{integer};33]:std::iter::IntoIterator` is not satisfied-->src/main.rs:29:14|29|foriin&a{|^^thetrait`std::iter::IntoIterator` is not implementedfor`&[{integer};33]`|=help:the following implementations were found:<&'a[T;_]asstd::iter::IntoIterator>...
error[E0277]: the trait bound `(): std::future::Future` is not satisfied --> src/main.rs:4:17 | 4 | fn sleepus() -> impl std::future::Future<Output=()> { | ^^^ the trait `std::future::Future` is not implemented for `()` | = note: the return type of a function mu...
After this rollup we started seeing the following compile failure: fn main() { let x = f32::from(3.14); } error[E0277]: the trait bound `f32: From<f64>` is not satisfied --> /tmp/repro.rs:2:13 | 16 | let x = f32::from(3.14); | ^^^ the tr...
expected error not found: the trait bound `std::boxed::Box<[i32; 33]>: std::convert::From<[i32; 33]>` is not satisfied error: 0 unexpected errors found, 1 expected errors not found status: exit code: 1 command: "/home/pickfire/rust/build/x86_64-unknown-linux-gnu/stage2/bin/rust...