[INFO] updating cached repository https://github.com/Machtan/token-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b6f91edb12a582c8c52974fd381fc03d530eacb
[INFO] testing Machtan/token-rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FMachtan%2Ftoken-rs" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Machtan/token-rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Machtan/token-rs
[INFO] finished tweaking git repo https://github.com/Machtan/token-rs
[INFO] tweaked toml for git repo https://github.com/Machtan/token-rs written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Machtan/token-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 2934168c27a4b2c857239366498b3f457529183a5d9b82b234c6223ca52c65df
[INFO] running `"docker" "start" "-a" "2934168c27a4b2c857239366498b3f457529183a5d9b82b234c6223ca52c65df"`
[INFO] [stderr]    Compiling token v1.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stderr]   --> src/lib.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 |     chars: io::Chars<R>,
[INFO] [stderr]    |                ^^^^^ not found in `io`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::str::Chars;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stderr]   --> src/lib.rs:62:56
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn next(&mut self) -> Result<Option<&str>, io::CharsError> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^ not found in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stderr]    --> src/lib.rs:130:56
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn next(&mut self) -> Result<Option<&str>, io::CharsError> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^ not found in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(io)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let c = try!(res);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:27
[INFO] [stderr]     |
[INFO] [stderr] 134 |             let s = match try!(self.tokenizer.next()) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]   --> src/lib.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub struct SentenceSplitter<'a, R: Read> {
[INFO] [stderr]    |                                 ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `R` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0412, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: could not compile `token`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2934168c27a4b2c857239366498b3f457529183a5d9b82b234c6223ca52c65df"`
[INFO] running `"docker" "rm" "-f" "2934168c27a4b2c857239366498b3f457529183a5d9b82b234c6223ca52c65df"`
[INFO] [stdout] 2934168c27a4b2c857239366498b3f457529183a5d9b82b234c6223ca52c65df