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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jessegrosjean/libripgrep_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessegrosjean%2Flibripgrep_example", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
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[INFO] checking jessegrosjean/libripgrep_example against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessegrosjean%2Flibripgrep_example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jessegrosjean/libripgrep_example on toolchain 5518eaa946291f00471af8b254b2a1715f234882
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[INFO] finished tweaking git repo https://github.com/jessegrosjean/libripgrep_example
[INFO] tweaked toml for git repo https://github.com/jessegrosjean/libripgrep_example written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jessegrosjean/libripgrep_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking cfg-if v0.1.4
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[INFO] [stderr]     Checking ucd-util v0.1.1
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[INFO] [stderr]     Checking log v0.4.3
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[INFO] [stderr]     Checking utf8-ranges v1.0.0
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]     Checking grep-matcher v0.0.1 (/opt/rustwide/workdir/crates/grep-matcher)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> crates/grep-matcher/src/interpolate.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |         b'0' ... b'9' | b'a' ... b'z' | b'A' ... b'Z' | b'_' => true,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> crates/grep-matcher/src/interpolate.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |         b'0' ... b'9' | b'a' ... b'z' | b'A' ... b'Z' | b'_' => true,
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> crates/grep-matcher/src/interpolate.rs:137:46
[INFO] [stdout]     |
[INFO] [stdout] 137 |         b'0' ... b'9' | b'a' ... b'z' | b'A' ... b'Z' | b'_' => true,
[INFO] [stdout]     |                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling syn v0.14.7
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[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking walkdir v2.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking encoding_rs_io v0.1.1
[INFO] [stderr]     Checking grep-searcher v0.0.1 (/opt/rustwide/workdir/crates/grep-searcher)
[INFO] [stderr]     Checking crossbeam-channel v0.2.4
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> crates/grep-searcher/src/sink.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl SinkError for Box<::std::error::Error> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl SinkError for Box<dyn (::std::error::Error)> {
[INFO] [stdout]    |                        +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> crates/grep-searcher/src/sink.rs:53:58
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn error_message<T: fmt::Display>(message: T) -> Box<::std::error::Error> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn error_message<T: fmt::Display>(message: T) -> Box<dyn (::std::error::Error)> {
[INFO] [stdout]    |                                                          +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> crates/grep-searcher/src/sink.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Box::<::std::error::Error>::from(message.to_string())
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Box::<dyn (::std::error::Error)>::from(message.to_string())
[INFO] [stdout]    |               +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crates/grep-searcher/src/searcher/glue.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ReadByLine<'s, M: 's, R, S> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     config: &'s Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadByLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crates/grep-searcher/src/searcher/glue.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct SliceByLine<'s, M: 's, S> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 78 |     config: &'s Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SliceByLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_term` is never read
[INFO] [stdout]    --> crates/grep-searcher/src/sink.rs:346:16
[INFO] [stdout]     |
[INFO] [stdout] 345 | pub struct SinkContext<'b> {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 346 |     pub(crate) line_term: LineTerminator,
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SinkContext` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking globset v0.4.1 (/opt/rustwide/workdir/crates/globset)
[INFO] [stderr]     Checking grep-regex v0.0.1 (/opt/rustwide/workdir/crates/grep-regex)
[INFO] [stdout] warning: field `pat` is never read
[INFO] [stdout]    --> crates/globset/src/glob.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct GlobMatcher {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 109 |     /// The underlying pattern.
[INFO] [stdout] 110 |     pat: Glob,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GlobMatcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ignore v0.4.3 (/opt/rustwide/workdir/crates/ignore)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> crates/ignore/src/walk.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |         Fn(&OsStr, &OsStr) -> cmp::Ordering + Send + Sync + 'static
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 464 |         dyn Fn(&OsStr, &OsStr) -> cmp::Ordering + Send + Sync + 'static
[INFO] [stdout]     |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> crates/ignore/src/walk.rs:1101:12
[INFO] [stdout]      |
[INFO] [stdout] 1101 |     f: Box<FnMut(Result<DirEntry, Error>) -> WalkState + Send + 'static>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1101 |     f: Box<dyn FnMut(Result<DirEntry, Error>) -> WalkState + Send + 'static>,
[INFO] [stdout]      |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> crates/ignore/src/walk.rs:956:31
[INFO] [stdout]     |
[INFO] [stdout] 956 |     ) where F: FnMut() -> Box<FnMut(Result<DirEntry, Error>) -> WalkState + Send + 'static> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 956 |     ) where F: FnMut() -> Box<dyn FnMut(Result<DirEntry, Error>) -> WalkState + Send + 'static> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> crates/ignore/src/gitignore.rs:426:25
[INFO] [stdout]     |
[INFO] [stdout] 426 |             line = line.trim_right();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 426 |             line = line.trim_end();
[INFO] [stdout]     |                         ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> crates/ignore/src/lib.rs:271:58
[INFO] [stdout]     |
[INFO] [stdout] 271 |             Error::WithLineNumber { ref err, .. } => err.description(),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> crates/ignore/src/lib.rs:272:52
[INFO] [stdout]     |
[INFO] [stdout] 272 |             Error::WithPath { ref err, .. } => err.description(),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> crates/ignore/src/lib.rs:273:53
[INFO] [stdout]     |
[INFO] [stdout] 273 |             Error::WithDepth { ref err, .. } => err.description(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> crates/ignore/src/lib.rs:275:39
[INFO] [stdout]     |
[INFO] [stdout] 275 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ignore/src/dir.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct IgnoreMatch<'a>(IgnoreMatchInner<'a>);
[INFO] [stdout]    |            -----------     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IgnoreMatch` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct IgnoreMatch<'a>(());
[INFO] [stdout]    |                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ignore/src/dir.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Override(overrides::Glob<'a>),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Override(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ignore/src/dir.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Gitignore(&'a gitignore::Glob),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Gitignore(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ignore/src/dir.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Types(types::Glob<'a>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Types(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ignore/src/overrides.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Glob<'a>(GlobInner<'a>);
[INFO] [stdout]    |            ----     ^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Glob` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Glob<'a>(());
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ignore/src/overrides.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Matched(&'a gitignore::Glob),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Matched(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> crates/ignore/src/types.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub struct Glob<'a>(GlobInner<'a>);
[INFO] [stdout]     |            ----     ^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Glob` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub struct Glob<'a>(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `def`, `which`, and `negated` are never read
[INFO] [stdout]    --> crates/ignore/src/types.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     Matched {
[INFO] [stdout]     |     ------- fields in this variant
[INFO] [stdout] 328 |         /// The file type definition which provided the glob.
[INFO] [stdout] 329 |         def: &'a FileTypeDef,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 330 |         /// The index of the glob that matched inside the file type definition.
[INFO] [stdout] 331 |         which: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 332 |         /// Whether the selection was negated or not.
[INFO] [stdout] 333 |         negated: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking grep-printer v0.0.1 (/opt/rustwide/workdir/crates/grep-printer)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/grep-printer/src/standard.rs:1105:17
[INFO] [stdout]      |
[INFO] [stdout] 1105 |             let mut m = m;
[INFO] [stdout]      |                 ----^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking grep v0.2.0 (/opt/rustwide/workdir/crates/grep)
[INFO] [stderr]     Checking libripgrep_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:43:55
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stdout] 43 + pub fn scan_path(pattern: &str, path: &str) -> Result<Vec<FileMatch>, Box<Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:43:55
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stdout]    |                                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stdout] 43 + pub fn scan_path(pattern: &str, path: &str) -> Result<Vec<FileMatch>, Box<Error>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:43:77
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stdout]    |                                                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<dyn Error>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:43:77
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<Error>> {
[INFO] [stdout]    |                                                                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn scan_path(pattern: &str, path: &str) -> Result<(Vec<FileMatch>), Box<dyn Error>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "167a697fe91fbc89c0e5c3622d4593d71e6222a9cc166c7de82aeb4ed5a520db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167a697fe91fbc89c0e5c3622d4593d71e6222a9cc166c7de82aeb4ed5a520db", kill_on_drop: false }`
[INFO] [stdout] 167a697fe91fbc89c0e5c3622d4593d71e6222a9cc166c7de82aeb4ed5a520db
