[INFO] updating cached repository utkarshkukreti/pipette
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/utkarshkukreti/pipette
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/utkarshkukreti/pipette" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/utkarshkukreti/pipette"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/utkarshkukreti/pipette'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/utkarshkukreti/pipette" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/utkarshkukreti/pipette"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/utkarshkukreti/pipette'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 868323ee9c6776157b798cd7582493020f963027
[INFO] sha for GitHub repo utkarshkukreti/pipette: 868323ee9c6776157b798cd7582493020f963027
[INFO] validating manifest of utkarshkukreti/pipette 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 utkarshkukreti/pipette 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 utkarshkukreti/pipette
[INFO] finished frobbing utkarshkukreti/pipette
[INFO] frobbed toml for utkarshkukreti/pipette written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/utkarshkukreti/pipette/Cargo.toml
[INFO] started frobbing utkarshkukreti/pipette
[INFO] finished frobbing utkarshkukreti/pipette
[INFO] frobbed toml for utkarshkukreti/pipette written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/utkarshkukreti/pipette/Cargo.toml
[INFO] crate utkarshkukreti/pipette 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 utkarshkukreti/pipette against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/utkarshkukreti/pipette:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8c99327e1008ac61cc56330b7d219e4e70bb6e83b9895e36e0be2d43c6062cac
[INFO] running `"docker" "start" "-a" "8c99327e1008ac61cc56330b7d219e4e70bb6e83b9895e36e0be2d43c6062cac"`
[INFO] [stderr]     Checking pipette v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stderr]  --> src/reader.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     inner: 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] 1 | use std::str::Chars;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stderr]   --> src/reader.rs:28:54
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn read(&mut self) -> Option<Result<Key, io::CharsError>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^ not found in `io`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/reader.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     0 ... 31 => Other,
[INFO] [stderr]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]  --> src/pipette.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Pipette<R: io::Read, W: io::Write> {
[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 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0412.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: Could not compile `pipette`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stderr]  --> src/reader.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     inner: 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] 1 | use std::str::Chars;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stderr]   --> src/reader.rs:28:54
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn read(&mut self) -> Option<Result<Key, io::CharsError>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^ not found in `io`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/reader.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     0 ... 31 => Other,
[INFO] [stderr]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `R` is never used
[INFO] [stderr]  --> src/pipette.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Pipette<R: io::Read, W: io::Write> {
[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 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0412.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: Could not compile `pipette`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8c99327e1008ac61cc56330b7d219e4e70bb6e83b9895e36e0be2d43c6062cac"`
[INFO] running `"docker" "rm" "-f" "8c99327e1008ac61cc56330b7d219e4e70bb6e83b9895e36e0be2d43c6062cac"`
[INFO] [stdout] 8c99327e1008ac61cc56330b7d219e4e70bb6e83b9895e36e0be2d43c6062cac