[INFO] cloning repository mariosangiorgio/rulox [INFO] running `"git" "clone" "--bare" "git://github.com/mariosangiorgio/rulox.git" "work/cache/sources/gh/mariosangiorgio/rulox"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mariosangiorgio/rulox'... [INFO] running `"git" "clone" "work/cache/sources/gh/mariosangiorgio/rulox" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mariosangiorgio/rulox"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mariosangiorgio/rulox'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mariosangiorgio/rulox" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mariosangiorgio/rulox"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mariosangiorgio/rulox'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9e9e44f1143aa74b62e43452a35cd4786aecabcf [INFO] sha for GitHub repo mariosangiorgio/rulox: 9e9e44f1143aa74b62e43452a35cd4786aecabcf [INFO] validating manifest of mariosangiorgio/rulox on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mariosangiorgio/rulox on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mariosangiorgio/rulox [INFO] finished frobbing mariosangiorgio/rulox [INFO] frobbed toml for mariosangiorgio/rulox written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mariosangiorgio/rulox/Cargo.toml [INFO] started frobbing mariosangiorgio/rulox [INFO] finished frobbing mariosangiorgio/rulox [INFO] frobbed toml for mariosangiorgio/rulox written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mariosangiorgio/rulox/Cargo.toml [INFO] crate mariosangiorgio/rulox already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mariosangiorgio/rulox against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mariosangiorgio/rulox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5dacc927dabcebc16a14a347c2e00b90b9f28ed7a05ab1de87b092ec4387b184 [INFO] running `"docker" "start" "-a" "5dacc927dabcebc16a14a347c2e00b90b9f28ed7a05ab1de87b092ec4387b184"` [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking wait-timeout v0.1.5 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Compiling syn v0.15.14 [INFO] [stderr] Checking tempfile v3.0.4 [INFO] [stderr] Checking rusty-fork v0.2.1 [INFO] [stderr] Checking proptest v0.8.7 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Checking rulox v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontend/scanner.rs:130:38 [INFO] [stderr] | [INFO] [stderr] 130 | fn peek_check(&mut self, check: &Fn(char) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [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/frontend/scanner.rs:138:40 [INFO] [stderr] | [INFO] [stderr] 138 | fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontend/scanner.rs:138:67 [INFO] [stderr] | [INFO] [stderr] 138 | fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontend/scanner.rs:171:45 [INFO] [stderr] | [INFO] [stderr] 171 | fn advance_while(&mut self, condition: &Fn(char) -> bool) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:170:27 [INFO] [stderr] | [INFO] [stderr] 170 | parse_statement: &Fn(&mut Parser, &mut Peekable) [INFO] [stderr] | ___________________________^ [INFO] [stderr] 171 | | -> Option>, [INFO] [stderr] | |____________________________________________________^ [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 170 | parse_statement: &dyn Fn(&mut Parser, &mut Peekable) [INFO] [stderr] 171 | -> Option>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:646:24 [INFO] [stderr] | [INFO] [stderr] 646 | map_operator: &Fn(&Token) -> Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:647:31 [INFO] [stderr] | [INFO] [stderr] 647 | parse_subexpression: &Fn(&mut Parser, &mut Peekable) -> Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable) -> Option>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:688:24 [INFO] [stderr] | [INFO] [stderr] 688 | map_operator: &Fn(&Token) -> Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:689:31 [INFO] [stderr] | [INFO] [stderr] 689 | parse_subexpression: &Fn(&mut Parser, &mut Peekable) -> Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable) -> Option>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:945:26 [INFO] [stderr] | [INFO] [stderr] 945 | parse_argument: &Fn(&mut Parser, &mut Peekable) -> Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable) -> Option>` [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:110:20 [INFO] [stderr] | [INFO] [stderr] 105 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 110 | ( @ _WRAPSTR ( $ ( $ parm ) , * ) ) ; match runner . run ( [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] | [INFO] [stderr] = note: #[deny(meta_variable_misuse)] on by default [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:112:35 [INFO] [stderr] | [INFO] [stderr] 105 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 112 | proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) , | values | $ crate :: [INFO] [stderr] | ^^^^^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:115:42 [INFO] [stderr] | [INFO] [stderr] 105 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 115 | _ , proptest_helper ! ( @ _WRAPPAT ( $ ( $ parm ) , * ) ) ) | { [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:123:21 [INFO] [stderr] | [INFO] [stderr] 118 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 123 | ( @ _EXT _STR ( $ ( $ arg ) * ) ) ; match runner . run ( [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:125:41 [INFO] [stderr] | [INFO] [stderr] 118 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 125 | proptest_helper ! ( @ _EXT _STRAT ( $ ( $ arg ) * ) ) , | values | $ crate :: [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::proptest_helper macros>:128:43 [INFO] [stderr] | [INFO] [stderr] 118 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 128 | _ , proptest_helper ! ( @ _EXT _PAT ( $ ( $ arg ) * ) ) ) | { [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_oneof macros>:2:25 [INFO] [stderr] | [INFO] [stderr] 1 | ( $ ( $ item : expr ) , + $ ( , ) * ) => { [INFO] [stderr] | - expected repetition [INFO] [stderr] 2 | prop_oneof ! [ $ ( 1 => $ item ) , * ] } ; ( [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_oneof macros>:81:7 [INFO] [stderr] | [INFO] [stderr] 78 | $ ( $ weight : expr => $ item : expr ) , + $ ( , ) * ) => { [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 81 | $ ( ( $ weight , $ crate :: strategy :: Strategy :: boxed ( $ item ) ) ) , * ] [INFO] [stderr] | ^^^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_oneof macros>:81:61 [INFO] [stderr] | [INFO] [stderr] 78 | $ ( $ weight : expr => $ item : expr ) , + $ ( , ) * ) => { [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 81 | $ ( ( $ weight , $ crate :: strategy :: Strategy :: boxed ( $ item ) ) ) , * ] [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:8:47 [INFO] [stderr] | [INFO] [stderr] 3 | params : tt ( $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) * ) -> $ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 8 | let strat = proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) ; $ crate :: [INFO] [stderr] | ^^^^^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:10:48 [INFO] [stderr] | [INFO] [stderr] 3 | params : tt ( $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) * ) -> $ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 10 | strat , | proptest_helper ! ( @ _WRAPPAT ( $ ( $ var ) , * ) ) | $ body ) } } [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:19:47 [INFO] [stderr] | [INFO] [stderr] 13 | params : tt ( $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) * ) ( [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 19 | let strat = proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) ; let strat = [INFO] [stderr] | ^^^^^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:21:48 [INFO] [stderr] | [INFO] [stderr] 13 | params : tt ( $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) * ) ( [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 21 | strat , | proptest_helper ! ( @ _WRAPPAT ( $ ( $ var ) , * ) ) | [INFO] [stderr] | ^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:22:35 [INFO] [stderr] | [INFO] [stderr] 14 | $ ( $ var2 : pat in $ strategy2 : expr ) , + $ ( , ) * ) -> $ return_type : ty [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 22 | proptest_helper ! ( @ _WRAP ( $ ( $ strategy2 ) * ) ) ) ; $ crate :: strategy [INFO] [stderr] | ^^^^^^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:24:48 [INFO] [stderr] | [INFO] [stderr] 14 | $ ( $ var2 : pat in $ strategy2 : expr ) , + $ ( , ) * ) -> $ return_type : ty [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 24 | strat , | proptest_helper ! ( @ _WRAPPAT ( $ ( $ var2 ) , * ) ) | $ body ) } } [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: unknown macro variable `strategy` [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:41:47 [INFO] [stderr] | [INFO] [stderr] 41 | let strat = proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) ; let strat = [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:44:41 [INFO] [stderr] | [INFO] [stderr] 36 | params : tt ( $ ( $ arg : tt ) + $ ( , ) * ) ( $ ( $ arg2 : tt ) + $ ( , ) * ) [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 44 | proptest_helper ! ( @ _EXT _STRAT ( $ ( $ arg2 ) * ) ) ) ; $ crate :: strategy [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> <::proptest::sugar::prop_compose macros>:46:49 [INFO] [stderr] | [INFO] [stderr] 36 | params : tt ( $ ( $ arg : tt ) + $ ( , ) * ) ( $ ( $ arg2 : tt ) + $ ( , ) * ) [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 46 | strat , | proptest_helper ! ( @ _EXT _PAT ( $ ( $ arg2 ) * ) ) | $ body ) } } [INFO] [stderr] | ^^^^^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontend/scanner.rs:130:38 [INFO] [stderr] | [INFO] [stderr] 130 | fn peek_check(&mut self, check: &Fn(char) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [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/frontend/scanner.rs:138:40 [INFO] [stderr] | [INFO] [stderr] 138 | fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontend/scanner.rs:138:67 [INFO] [stderr] | [INFO] [stderr] 138 | fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontend/scanner.rs:171:45 [INFO] [stderr] | [INFO] [stderr] 171 | fn advance_while(&mut self, condition: &Fn(char) -> bool) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:170:27 [INFO] [stderr] | [INFO] [stderr] 170 | parse_statement: &Fn(&mut Parser, &mut Peekable) [INFO] [stderr] | ___________________________^ [INFO] [stderr] 171 | | -> Option>, [INFO] [stderr] | |____________________________________________________^ [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 170 | parse_statement: &dyn Fn(&mut Parser, &mut Peekable) [INFO] [stderr] 171 | -> Option>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:646:24 [INFO] [stderr] | [INFO] [stderr] 646 | map_operator: &Fn(&Token) -> Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:647:31 [INFO] [stderr] | [INFO] [stderr] 647 | parse_subexpression: &Fn(&mut Parser, &mut Peekable) -> Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable) -> Option>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:688:24 [INFO] [stderr] | [INFO] [stderr] 688 | map_operator: &Fn(&Token) -> Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:689:31 [INFO] [stderr] | [INFO] [stderr] 689 | parse_subexpression: &Fn(&mut Parser, &mut Peekable) -> Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable) -> Option>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/treewalk/parser.rs:945:26 [INFO] [stderr] | [INFO] [stderr] 945 | parse_argument: &Fn(&mut Parser, &mut Peekable) -> Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable) -> Option>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 18 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `rulox`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5dacc927dabcebc16a14a347c2e00b90b9f28ed7a05ab1de87b092ec4387b184"` [INFO] running `"docker" "rm" "-f" "5dacc927dabcebc16a14a347c2e00b90b9f28ed7a05ab1de87b092ec4387b184"` [INFO] [stdout] 5dacc927dabcebc16a14a347c2e00b90b9f28ed7a05ab1de87b092ec4387b184