[INFO] crate chars_input 0.2.2 is already in cache
[INFO] extracting crate chars_input 0.2.2 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/chars_input/0.2.2
[INFO] extracting crate chars_input 0.2.2 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/chars_input/0.2.2
[INFO] validating manifest of chars_input-0.2.2 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 chars_input-0.2.2 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 chars_input-0.2.2
[INFO] finished frobbing chars_input-0.2.2
[INFO] frobbed toml for chars_input-0.2.2 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/chars_input/0.2.2/Cargo.toml
[INFO] started frobbing chars_input-0.2.2
[INFO] finished frobbing chars_input-0.2.2
[INFO] frobbed toml for chars_input-0.2.2 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/chars_input/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 chars_input-0.2.2 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/chars_input/0.2.2:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 275aa142f39744a00afdf4917565418607279acf66ec37246b46fcbb35e9adcf
[INFO] running `"docker" "start" "-a" "275aa142f39744a00afdf4917565418607279acf66ec37246b46fcbb35e9adcf"`
[INFO] [stderr]     Checking chars_input v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stderr]    --> src/chars.rs:140:20
[INFO] [stderr]     |
[INFO] [stderr] 140 |         chars: io::Chars<R>,
[INFO] [stderr]     |                    ^^^^^ not found in `io`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use chars::Chars;
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use core::str::Chars;
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use std::str::Chars;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stderr]    --> src/chars.rs:140:20
[INFO] [stderr]     |
[INFO] [stderr] 140 |         chars: io::Chars<R>,
[INFO] [stderr]     |                    ^^^^^ not found in `io`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use chars::Chars;
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use core::str::Chars;
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use std::str::Chars;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:162:45
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn trait_object_read_offset(input: &mut Input, state: &mut State, offset: usize) {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/input.rs:166:44
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn trait_object_read_lines(input: &mut Input, state: &mut State) -> usize {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Input`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `R` in the current scope
[INFO] [stderr]    --> src/chars.rs:150:31
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 chars: reader.chars(),
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `R` in the current scope
[INFO] [stderr]    --> src/chars.rs:150:31
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 chars: reader.chars(),
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `chars_input`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `chars_input`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "275aa142f39744a00afdf4917565418607279acf66ec37246b46fcbb35e9adcf"`
[INFO] running `"docker" "rm" "-f" "275aa142f39744a00afdf4917565418607279acf66ec37246b46fcbb35e9adcf"`
[INFO] [stdout] 275aa142f39744a00afdf4917565418607279acf66ec37246b46fcbb35e9adcf