[INFO] updating cached repository https://github.com/JDrit/boyer_moore
[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] d85f68df902e17bf1843b7db626d9e06c7851249
[INFO] testing JDrit/boyer_moore against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDrit%2Fboyer_moore" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JDrit/boyer_moore on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JDrit/boyer_moore
[INFO] finished tweaking git repo https://github.com/JDrit/boyer_moore
[INFO] tweaked toml for git repo https://github.com/JDrit/boyer_moore written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JDrit/boyer_moore already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 2bf0b17ba74ae93ce822653709927906551c9a3011acd8592f781a6fca76b629
[INFO] running `"docker" "start" "-a" "2bf0b17ba74ae93ce822653709927906551c9a3011acd8592f781a6fca76b629"`
[INFO] [stderr]    Compiling boyer_moore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::Chars`
[INFO] [stderr]  --> src/search/search.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ no `Chars` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Peekable`
[INFO] [stderr]  --> src/search/search.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter::Peekable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/search/search.rs:237:52
[INFO] [stderr]     |
[INFO] [stderr] 237 | fn search_buffer(pattern_input: &str, buffer: &mut BufRead) -> Vec<usize> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `&mut dyn std::io::BufRead` in the current scope
[INFO] [stderr]    --> src/search/search.rs:240:28
[INFO] [stderr]     |
[INFO] [stderr] 240 |     let mut input = buffer.chars().map(|c| c.expect("decode failed"));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/search/search.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     return results;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `boyer_moore`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2bf0b17ba74ae93ce822653709927906551c9a3011acd8592f781a6fca76b629"`
[INFO] running `"docker" "rm" "-f" "2bf0b17ba74ae93ce822653709927906551c9a3011acd8592f781a6fca76b629"`
[INFO] [stdout] 2bf0b17ba74ae93ce822653709927906551c9a3011acd8592f781a6fca76b629