[INFO] cloning repository https://github.com/JDrit/boyer_moore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JDrit/boyer_moore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDrit%2Fboyer_moore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDrit%2Fboyer_moore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d85f68df902e17bf1843b7db626d9e06c7851249
[INFO] checking JDrit/boyer_moore against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDrit%2Fboyer_moore" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JDrit/boyer_moore on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JDrit/boyer_moore already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9874b6581cf84f7d4850df9e2547845e2309d1e79d6a90a7f976400da1b912e
[INFO] running `Command { std: "docker" "start" "-a" "b9874b6581cf84f7d4850df9e2547845e2309d1e79d6a90a7f976400da1b912e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9874b6581cf84f7d4850df9e2547845e2309d1e79d6a90a7f976400da1b912e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9874b6581cf84f7d4850df9e2547845e2309d1e79d6a90a7f976400da1b912e", kill_on_drop: false }`
[INFO] [stdout] b9874b6581cf84f7d4850df9e2547845e2309d1e79d6a90a7f976400da1b912e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd997431888f632d4be945132f622bfa903b48773c6c1496deb3d6ea7bdfc373
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd997431888f632d4be945132f622bfa903b48773c6c1496deb3d6ea7bdfc373", kill_on_drop: false }`
[INFO] [stderr]     Checking boyer_moore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::Chars`
[INFO] [stdout]  --> src/search/search.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Chars` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Peekable`
[INFO] [stdout]  --> src/search/search.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::Peekable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/search/search.rs:237:52
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn search_buffer(pattern_input: &str, buffer: &mut BufRead) -> Vec<usize> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/search/search.rs:19:51
[INFO] [stdout]     |
[INFO] [stdout] 19  |             let mut array: [$ty; $len] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         init_array!(Vec<i32>, ALPHABET_SIZE, Vec::with_capacity(pattern.len()));
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::Chars`
[INFO] [stdout]  --> src/search/search.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Chars` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Peekable`
[INFO] [stdout]  --> src/search/search.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::Peekable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/search/search.rs:237:52
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn search_buffer(pattern_input: &str, buffer: &mut BufRead) -> Vec<usize> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/search/search.rs:19:51
[INFO] [stdout]     |
[INFO] [stdout] 19  |             let mut array: [$ty; $len] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         init_array!(Vec<i32>, ALPHABET_SIZE, Vec::with_capacity(pattern.len()));
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for mutable reference `&mut dyn std::io::BufRead` in the current scope
[INFO] [stdout]    --> src/search/search.rs:240:28
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let mut input = buffer.chars().map(|c| c.expect("decode failed"));
[INFO] [stdout]     |                            ^^^^^ method not found in `&mut dyn std::io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/search/search.rs:299:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | /     loop {
[INFO] [stdout] 251 | |         // pulls off enough elements from the input into the internal buffer
[INFO] [stdout] 252 | |         let size_to_add = pattern.len() - buffer.len();
[INFO] [stdout] 253 | |         for _ in 0..size_to_add {
[INFO] [stdout] ...   |
[INFO] [stdout] 297 | |         }
[INFO] [stdout] 298 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 299 |       return results;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for mutable reference `&mut dyn std::io::BufRead` in the current scope
[INFO] [stdout]    --> src/search/search.rs:240:28
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let mut input = buffer.chars().map(|c| c.expect("decode failed"));
[INFO] [stdout]     |                            ^^^^^ method not found in `&mut dyn std::io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/search/search.rs:299:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | /     loop {
[INFO] [stdout] 251 | |         // pulls off enough elements from the input into the internal buffer
[INFO] [stdout] 252 | |         let size_to_add = pattern.len() - buffer.len();
[INFO] [stdout] 253 | |         for _ in 0..size_to_add {
[INFO] [stdout] ...   |
[INFO] [stdout] 297 | |         }
[INFO] [stdout] 298 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 299 |       return results;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boyer_moore`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bd997431888f632d4be945132f622bfa903b48773c6c1496deb3d6ea7bdfc373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd997431888f632d4be945132f622bfa903b48773c6c1496deb3d6ea7bdfc373", kill_on_drop: false }`
[INFO] [stdout] bd997431888f632d4be945132f622bfa903b48773c6c1496deb3d6ea7bdfc373
