[INFO] crate kg-tree 0.1.1 is already in cache
[INFO] extracting crate kg-tree 0.1.1 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/kg-tree/0.1.1
[INFO] extracting crate kg-tree 0.1.1 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/kg-tree/0.1.1
[INFO] validating manifest of kg-tree-0.1.1 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kg-tree-0.1.1 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kg-tree-0.1.1
[INFO] finished frobbing kg-tree-0.1.1
[INFO] frobbed toml for kg-tree-0.1.1 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/kg-tree/0.1.1/Cargo.toml
[INFO] started frobbing kg-tree-0.1.1
[INFO] finished frobbing kg-tree-0.1.1
[INFO] frobbed toml for kg-tree-0.1.1 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/kg-tree/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking kg-tree-0.1.1 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/kg-tree/0.1.1:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb67adf4bb72475d18348d6a87c4a2ec941e7f5c791c4d7a04b4ada9a97dd658
[INFO] running `"docker" "start" "-a" "cb67adf4bb72475d18348d6a87c4a2ec941e7f5c791c4d7a04b4ada9a97dd658"`
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling synstructure v0.5.2
[INFO] [stderr]     Checking kg-utils v0.2.4
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]     Checking kg-display v0.1.2
[INFO] [stderr]    Compiling heapsize_derive v0.1.4
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]     Checking kg-symbol v0.1.10
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling kg-display-derive v0.1.1
[INFO] [stderr]    Compiling kg-diag v0.1.1
[INFO] [stderr]     Checking kg-io v0.1.1
[INFO] [stderr]    Compiling kg-diag-derive v0.1.2
[INFO] [stderr]     Checking kg-tree v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree/node.rs:522:115
[INFO] [stderr]     |
[INFO] [stderr] 522 |             Some(f) => box f.file_path().components().map(|c| c.as_os_str().to_str().unwrap().to_string()) as Box<Iterator<Item = String>>,
[INFO] [stderr]     |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String>`
[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/tree/node.rs:523:51
[INFO] [stderr]     |
[INFO] [stderr] 523 |             None => box std::iter::empty() as Box<Iterator<Item = String>>,
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/func.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |         err: Box<Diag>,
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `dyn Diag`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/func.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |         err: Box<Diag>,
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `dyn Diag`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |     fn clone(&self) -> Box<FuncCallable>;
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:339:20
[INFO] [stderr]     |
[INFO] [stderr] 339 | impl Clone for Box<FuncCallable> {
[INFO] [stderr]     |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:364:28
[INFO] [stderr]     |
[INFO] [stderr] 364 |     fn clone(&self) -> Box<FuncCallable> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:390:28
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn clone(&self) -> Box<MethodCallable>;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:393:20
[INFO] [stderr]     |
[INFO] [stderr] 393 | impl Clone for Box<MethodCallable> {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:424:28
[INFO] [stderr]     |
[INFO] [stderr] 424 |     fn clone(&self) -> Box<MethodCallable> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:543:31
[INFO] [stderr]     |
[INFO] [stderr] 543 |             let radixes: &mut Iterator<Item = u32> = if args.count() == 2 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:548:40
[INFO] [stderr]     |
[INFO] [stderr] 548 |                 &mut radixes_1 as &mut Iterator<Item = u32>
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:551:40
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 &mut radixes_2 as &mut Iterator<Item = u32>
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/parse/mod.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn invalid_escape<T>(r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn invalid_input<T>(r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:126:41
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn invalid_input_one<T>(r: &mut CharReader, expected: char) -> Result<T, Error> {
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn invalid_input_many<T>(r: &mut CharReader, expected: Vec<char>) -> Result<T, Error> {
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:179:42
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn unexpected_eoi_str<T>(r: &mut CharReader, expected: String) -> Result<T, Error> {
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:190:54
[INFO] [stderr]     |
[INFO] [stderr] 190 |     pub fn unexpected_token<T>(token: Token, r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:197:78
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn unexpected_token_one<T>(token: Token, expected: Terminal, r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:204:84
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn unexpected_token_many<T>(token: Token, expected: Vec<Terminal>, r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:378:31
[INFO] [stderr]     |
[INFO] [stderr] 378 |     fn lex(&mut self, r: &mut CharReader) -> Result<Token, Error> {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:380:48
[INFO] [stderr]     |
[INFO] [stderr] 380 |         fn process_scientific_notation(r: &mut CharReader, p1: Position) -> Result<Token, Error> {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:409:28
[INFO] [stderr]     |
[INFO] [stderr] 409 |         fn consume(r: &mut CharReader, count: usize, term: Terminal) -> Result<Token, Error> {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:749:38
[INFO] [stderr]     |
[INFO] [stderr] 749 |     fn next_token(&mut self, r: &mut CharReader) -> Result<Token, Error> {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:767:40
[INFO] [stderr]     |
[INFO] [stderr] 767 |     fn expect_token(&mut self, r: &mut CharReader, term: Terminal) -> Result<Token, Error> {
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:776:37
[INFO] [stderr]     |
[INFO] [stderr] 776 |     pub fn parse(&mut self, r: &mut CharReader) -> Result<Opath, Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:799:38
[INFO] [stderr]     |
[INFO] [stderr] 799 |     fn parse_expr(&mut self, r: &mut CharReader, ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1088:42
[INFO] [stderr]      |
[INFO] [stderr] 1088 |     fn parse_expr_opt(&mut self, r: &mut CharReader, ctx: Context) -> Result<Option<Expr>, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1098:51
[INFO] [stderr]      |
[INFO] [stderr] 1098 |     fn parse_literal(&mut self, t: Token, r: &mut CharReader) -> Result<Expr, Error> {
[INFO] [stderr]      |                                                   ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1144:38
[INFO] [stderr]      |
[INFO] [stderr] 1144 |     fn parse_func(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1165:40
[INFO] [stderr]      |
[INFO] [stderr] 1165 |     fn parse_method(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                        ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1186:42
[INFO] [stderr]      |
[INFO] [stderr] 1186 |     fn parse_sequence(&mut self, r: &mut CharReader, ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1306:39
[INFO] [stderr]      |
[INFO] [stderr] 1306 |     fn parse_group(&mut self, r: &mut CharReader, ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                       ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1350:42
[INFO] [stderr]      |
[INFO] [stderr] 1350 |     fn parse_var_expr(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1357:42
[INFO] [stderr]      |
[INFO] [stderr] 1357 |     fn parse_env_expr(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1363:45
[INFO] [stderr]      |
[INFO] [stderr] 1363 |     fn parse_level_range(&mut self, r: &mut CharReader) -> Result<Option<LevelRange>, Error> {
[INFO] [stderr]      |                                             ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1400:67
[INFO] [stderr]      |
[INFO] [stderr] 1400 |     fn parse_number_range(&mut self, start: Option<Expr>, r: &mut CharReader) -> Result<NumberRange, Error> {
[INFO] [stderr]      |                                                                   ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 |     func_map: HashMap<Symbol, Box<FuncCallable>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 |     method_map: HashMap<Symbol, Box<MethodCallable>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:73:57
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn get_func(&self, func: &'_ str) -> Option<Ref<Box<FuncCallable>>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:85:61
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn get_method(&self, method: &'_ str) -> Option<Ref<Box<MethodCallable>>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:168:48
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn with_func(self, name: Symbol, func: Box<FuncCallable>) -> Self {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:173:52
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn with_method(self, name: Symbol, method: Box<MethodCallable>) -> Self {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:184:48
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn set_func(&self, name: Symbol, func: Box<FuncCallable>) {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:188:52
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn set_method(&self, name: Symbol, method: Box<MethodCallable>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:218:61
[INFO] [stderr]     |
[INFO] [stderr] 218 |     pub fn get_func(&self, func: &'_ str) -> Option<Ref<Box<FuncCallable>>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:222:65
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn get_method(&self, method: &'_ str) -> Option<Ref<Box<MethodCallable>>> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:294:61
[INFO] [stderr]     |
[INFO] [stderr] 294 |     pub fn get_func(&self, func: &'_ str) -> Option<Ref<Box<FuncCallable>>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:298:65
[INFO] [stderr]     |
[INFO] [stderr] 298 |     pub fn get_method(&self, method: &'_ str) -> Option<Ref<Box<MethodCallable>>> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:334:52
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn with_func(self, name: Symbol, func: Box<FuncCallable>) -> Self {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:338:56
[INFO] [stderr]     |
[INFO] [stderr] 338 |     pub fn with_method(self, name: Symbol, method: Box<MethodCallable>) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:347:52
[INFO] [stderr]     |
[INFO] [stderr] 347 |     pub fn set_func(&self, name: Symbol, func: Box<FuncCallable>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:351:56
[INFO] [stderr]     |
[INFO] [stderr] 351 |     pub fn set_method(&self, name: Symbol, method: Box<MethodCallable>) {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/matcher.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn insert_cache(&mut self, n: &NodeRef, cache: &mut OpathCache) {
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/matcher.rs:35:98
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn resolve_cache(&mut self, expr: &Opath, root: &NodeRef, current: &NodeRef, cache: &mut OpathCache) {
[INFO] [stderr]    |                                                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/matcher.rs:49:117
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn resolve_ext_cache(&mut self, expr: &Opath, root: &NodeRef, current: &NodeRef, scope: &Scope, cache: &mut OpathCache) {
[INFO] [stderr]    |                                                                                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/interpolation.rs:191:37
[INFO] [stderr]     |
[INFO] [stderr] 191 |     pub fn parse(&mut self, r: &mut CharReader) -> Result<Interpolation, OpathParseError> {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/diff/mod.rs:270:79
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn diff_node(a: &NodeRef, b: &NodeRef, changes: &mut Vec<Change>, cache: &mut OpathCache) {
[INFO] [stderr]     |                                                                               ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Ordering` is imported redundantly
[INFO] [stderr]    --> src/diff/mod.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::cmp::Ordering;
[INFO] [stderr]     |     ------------------ the item `Ordering` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 310 |                 use std::cmp::Ordering;
[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/diff/mod.rs:372:64
[INFO] [stderr]     |
[INFO] [stderr] 372 |     pub fn minimal_cache(a: &NodeRef, b: &NodeRef, cache: &mut OpathCache) -> Diff {
[INFO] [stderr]     |                                                                ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/diff/mod.rs:385:61
[INFO] [stderr]     |
[INFO] [stderr] 385 |     pub fn full_cache(a: &NodeRef, b: &NodeRef, cache: &mut OpathCache) -> Diff {
[INFO] [stderr]     |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial/error.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree/node.rs:522:115
[INFO] [stderr]     |
[INFO] [stderr] 522 |             Some(f) => box f.file_path().components().map(|c| c.as_os_str().to_str().unwrap().to_string()) as Box<Iterator<Item = String>>,
[INFO] [stderr]     |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String>`
[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/tree/node.rs:523:51
[INFO] [stderr]     |
[INFO] [stderr] 523 |             None => box std::iter::empty() as Box<Iterator<Item = String>>,
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/func.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |         err: Box<Diag>,
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `dyn Diag`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/func.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |         err: Box<Diag>,
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `dyn Diag`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |     fn clone(&self) -> Box<FuncCallable>;
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:339:20
[INFO] [stderr]     |
[INFO] [stderr] 339 | impl Clone for Box<FuncCallable> {
[INFO] [stderr]     |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:364:28
[INFO] [stderr]     |
[INFO] [stderr] 364 |     fn clone(&self) -> Box<FuncCallable> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:390:28
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn clone(&self) -> Box<MethodCallable>;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:393:20
[INFO] [stderr]     |
[INFO] [stderr] 393 | impl Clone for Box<MethodCallable> {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:424:28
[INFO] [stderr]     |
[INFO] [stderr] 424 |     fn clone(&self) -> Box<MethodCallable> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:543:31
[INFO] [stderr]     |
[INFO] [stderr] 543 |             let radixes: &mut Iterator<Item = u32> = if args.count() == 2 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:548:40
[INFO] [stderr]     |
[INFO] [stderr] 548 |                 &mut radixes_1 as &mut Iterator<Item = u32>
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/func.rs:551:40
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 &mut radixes_2 as &mut Iterator<Item = u32>
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/parse/mod.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn invalid_escape<T>(r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn invalid_input<T>(r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:126:41
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn invalid_input_one<T>(r: &mut CharReader, expected: char) -> Result<T, Error> {
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn invalid_input_many<T>(r: &mut CharReader, expected: Vec<char>) -> Result<T, Error> {
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:179:42
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn unexpected_eoi_str<T>(r: &mut CharReader, expected: String) -> Result<T, Error> {
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:190:54
[INFO] [stderr]     |
[INFO] [stderr] 190 |     pub fn unexpected_token<T>(token: Token, r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:197:78
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn unexpected_token_one<T>(token: Token, expected: Terminal, r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:204:84
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn unexpected_token_many<T>(token: Token, expected: Vec<Terminal>, r: &mut CharReader) -> Result<T, Error> {
[INFO] [stderr]     |                                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:378:31
[INFO] [stderr]     |
[INFO] [stderr] 378 |     fn lex(&mut self, r: &mut CharReader) -> Result<Token, Error> {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:380:48
[INFO] [stderr]     |
[INFO] [stderr] 380 |         fn process_scientific_notation(r: &mut CharReader, p1: Position) -> Result<Token, Error> {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:409:28
[INFO] [stderr]     |
[INFO] [stderr] 409 |         fn consume(r: &mut CharReader, count: usize, term: Terminal) -> Result<Token, Error> {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:749:38
[INFO] [stderr]     |
[INFO] [stderr] 749 |     fn next_token(&mut self, r: &mut CharReader) -> Result<Token, Error> {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:767:40
[INFO] [stderr]     |
[INFO] [stderr] 767 |     fn expect_token(&mut self, r: &mut CharReader, term: Terminal) -> Result<Token, Error> {
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:776:37
[INFO] [stderr]     |
[INFO] [stderr] 776 |     pub fn parse(&mut self, r: &mut CharReader) -> Result<Opath, Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:799:38
[INFO] [stderr]     |
[INFO] [stderr] 799 |     fn parse_expr(&mut self, r: &mut CharReader, ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1088:42
[INFO] [stderr]      |
[INFO] [stderr] 1088 |     fn parse_expr_opt(&mut self, r: &mut CharReader, ctx: Context) -> Result<Option<Expr>, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1098:51
[INFO] [stderr]      |
[INFO] [stderr] 1098 |     fn parse_literal(&mut self, t: Token, r: &mut CharReader) -> Result<Expr, Error> {
[INFO] [stderr]      |                                                   ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1144:38
[INFO] [stderr]      |
[INFO] [stderr] 1144 |     fn parse_func(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                      ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1165:40
[INFO] [stderr]      |
[INFO] [stderr] 1165 |     fn parse_method(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                        ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1186:42
[INFO] [stderr]      |
[INFO] [stderr] 1186 |     fn parse_sequence(&mut self, r: &mut CharReader, ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1306:39
[INFO] [stderr]      |
[INFO] [stderr] 1306 |     fn parse_group(&mut self, r: &mut CharReader, ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                       ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1350:42
[INFO] [stderr]      |
[INFO] [stderr] 1350 |     fn parse_var_expr(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1357:42
[INFO] [stderr]      |
[INFO] [stderr] 1357 |     fn parse_env_expr(&mut self, r: &mut CharReader, _ctx: Context) -> Result<Expr, Error> {
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1363:45
[INFO] [stderr]      |
[INFO] [stderr] 1363 |     fn parse_level_range(&mut self, r: &mut CharReader) -> Result<Option<LevelRange>, Error> {
[INFO] [stderr]      |                                             ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/opath/expr/parse/mod.rs:1400:67
[INFO] [stderr]      |
[INFO] [stderr] 1400 |     fn parse_number_range(&mut self, start: Option<Expr>, r: &mut CharReader) -> Result<NumberRange, Error> {
[INFO] [stderr]      |                                                                   ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 |     func_map: HashMap<Symbol, Box<FuncCallable>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 |     method_map: HashMap<Symbol, Box<MethodCallable>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:73:57
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn get_func(&self, func: &'_ str) -> Option<Ref<Box<FuncCallable>>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/expr/scope.rs:85:61
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn get_method(&self, method: &'_ str) -> Option<Ref<Box<MethodCallable>>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:168:48
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn with_func(self, name: Symbol, func: Box<FuncCallable>) -> Self {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:173:52
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn with_method(self, name: Symbol, method: Box<MethodCallable>) -> Self {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:184:48
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn set_func(&self, name: Symbol, func: Box<FuncCallable>) {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:188:52
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn set_method(&self, name: Symbol, method: Box<MethodCallable>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:218:61
[INFO] [stderr]     |
[INFO] [stderr] 218 |     pub fn get_func(&self, func: &'_ str) -> Option<Ref<Box<FuncCallable>>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:222:65
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn get_method(&self, method: &'_ str) -> Option<Ref<Box<MethodCallable>>> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:294:61
[INFO] [stderr]     |
[INFO] [stderr] 294 |     pub fn get_func(&self, func: &'_ str) -> Option<Ref<Box<FuncCallable>>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:298:65
[INFO] [stderr]     |
[INFO] [stderr] 298 |     pub fn get_method(&self, method: &'_ str) -> Option<Ref<Box<MethodCallable>>> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:334:52
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn with_func(self, name: Symbol, func: Box<FuncCallable>) -> Self {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:338:56
[INFO] [stderr]     |
[INFO] [stderr] 338 |     pub fn with_method(self, name: Symbol, method: Box<MethodCallable>) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:347:52
[INFO] [stderr]     |
[INFO] [stderr] 347 |     pub fn set_func(&self, name: Symbol, func: Box<FuncCallable>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FuncCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/expr/scope.rs:351:56
[INFO] [stderr]     |
[INFO] [stderr] 351 |     pub fn set_method(&self, name: Symbol, method: Box<MethodCallable>) {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/matcher.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn insert_cache(&mut self, n: &NodeRef, cache: &mut OpathCache) {
[INFO] [stderr]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/matcher.rs:35:98
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn resolve_cache(&mut self, expr: &Opath, root: &NodeRef, current: &NodeRef, cache: &mut OpathCache) {
[INFO] [stderr]    |                                                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/opath/matcher.rs:49:117
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn resolve_ext_cache(&mut self, expr: &Opath, root: &NodeRef, current: &NodeRef, scope: &Scope, cache: &mut OpathCache) {
[INFO] [stderr]    |                                                                                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/opath/interpolation.rs:191:37
[INFO] [stderr]     |
[INFO] [stderr] 191 |     pub fn parse(&mut self, r: &mut CharReader) -> Result<Interpolation, OpathParseError> {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/diff/mod.rs:270:79
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn diff_node(a: &NodeRef, b: &NodeRef, changes: &mut Vec<Change>, cache: &mut OpathCache) {
[INFO] [stderr]     |                                                                               ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Ordering` is imported redundantly
[INFO] [stderr]    --> src/diff/mod.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::cmp::Ordering;
[INFO] [stderr]     |     ------------------ the item `Ordering` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 310 |                 use std::cmp::Ordering;
[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/diff/mod.rs:372:64
[INFO] [stderr]     |
[INFO] [stderr] 372 |     pub fn minimal_cache(a: &NodeRef, b: &NodeRef, cache: &mut OpathCache) -> Diff {
[INFO] [stderr]     |                                                                ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/diff/mod.rs:385:61
[INFO] [stderr]     |
[INFO] [stderr] 385 |     pub fn full_cache(a: &NodeRef, b: &NodeRef, cache: &mut OpathCache) -> Diff {
[INFO] [stderr]     |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn OpathCache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial/error.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:736:18
[INFO] [stderr]     |
[INFO] [stderr] 736 |             Some(c) => {
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/opath/expr/parse/mod.rs:736:18
[INFO] [stderr]     |
[INFO] [stderr] 736 |             Some(c) => {
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:461:21
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let mut values = args.resolve_column(false, 0, env);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:473:21
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let mut keys = args.resolve_column(false, 0, env);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:474:21
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let mut values = args.resolve_column(true, 1, env);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:510:17
[INFO] [stderr]     |
[INFO] [stderr] 510 |             let mut res = args.resolve_flat(false, env);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:602:17
[INFO] [stderr]     |
[INFO] [stderr] 602 |             let mut res = args.resolve_flat(false, env);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:733:17
[INFO] [stderr]     |
[INFO] [stderr] 733 |             let mut nres = args.resolve_column(false, 0, env);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:461:21
[INFO] [stderr]     |
[INFO] [stderr] 461 |                 let mut values = args.resolve_column(false, 0, env);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:473:21
[INFO] [stderr]     |
[INFO] [stderr] 473 |                 let mut keys = args.resolve_column(false, 0, env);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:474:21
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 let mut values = args.resolve_column(true, 1, env);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:510:17
[INFO] [stderr]     |
[INFO] [stderr] 510 |             let mut res = args.resolve_flat(false, env);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:602:17
[INFO] [stderr]     |
[INFO] [stderr] 602 |             let mut res = args.resolve_flat(false, env);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/opath/expr/func.rs:733:17
[INFO] [stderr]     |
[INFO] [stderr] 733 |             let mut nres = args.resolve_column(false, 0, env);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/serial/de.rs:441:21
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let mut de = NodeDeserializer::new(n);
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MethodCallCustomErr`
[INFO] [stderr]   --> src/opath/expr/func.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     MethodCallCustomErr {
[INFO] [stderr] 58 | |         id: MethodId,
[INFO] [stderr] 59 | |         kind: Kind,
[INFO] [stderr] 60 | |         err: Box<Diag>,
[INFO] [stderr] 61 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FuncCallCustomErr`
[INFO] [stderr]   --> src/opath/expr/func.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     FuncCallCustomErr {
[INFO] [stderr] 64 | |         id: FuncId,
[INFO] [stderr] 65 | |         err: Box<Diag>,
[INFO] [stderr] 66 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     try_from,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `str_escape` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     str_escape,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/serial/de.rs:441:21
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let mut de = NodeDeserializer::new(n);
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MethodCallCustomErr`
[INFO] [stderr]   --> src/opath/expr/func.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     MethodCallCustomErr {
[INFO] [stderr] 58 | |         id: MethodId,
[INFO] [stderr] 59 | |         kind: Kind,
[INFO] [stderr] 60 | |         err: Box<Diag>,
[INFO] [stderr] 61 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FuncCallCustomErr`
[INFO] [stderr]   --> src/opath/expr/func.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | /     FuncCallCustomErr {
[INFO] [stderr] 64 | |         id: FuncId,
[INFO] [stderr] 65 | |         err: Box<Diag>,
[INFO] [stderr] 66 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     try_from,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `str_escape` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     str_escape,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> tests/tests/math_ops/add.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let res = results.get(0).unwrap(); // TODO ws assertion
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.19s
[INFO] running `"docker" "inspect" "cb67adf4bb72475d18348d6a87c4a2ec941e7f5c791c4d7a04b4ada9a97dd658"`
[INFO] running `"docker" "rm" "-f" "cb67adf4bb72475d18348d6a87c4a2ec941e7f5c791c4d7a04b4ada9a97dd658"`
[INFO] [stdout] cb67adf4bb72475d18348d6a87c4a2ec941e7f5c791c4d7a04b4ada9a97dd658