[INFO] fetching crate scryer-prolog 0.8.86...
[INFO] extracting crate scryer-prolog 0.8.86 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scryer-prolog/0.8.86
[INFO] extracting crate scryer-prolog 0.8.86 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/scryer-prolog/0.8.86
[INFO] validating manifest of scryer-prolog-0.8.86 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 scryer-prolog-0.8.86 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 scryer-prolog-0.8.86
[INFO] finished frobbing scryer-prolog-0.8.86
[INFO] frobbed toml for scryer-prolog-0.8.86 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scryer-prolog/0.8.86/Cargo.toml
[INFO] started frobbing scryer-prolog-0.8.86
[INFO] finished frobbing scryer-prolog-0.8.86
[INFO] frobbed toml for scryer-prolog-0.8.86 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/scryer-prolog/0.8.86/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 scryer-prolog-0.8.86 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/reg/scryer-prolog/0.8.86:/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] 170c9514941b5be35f98bb780564238538ddea979a949041573def27801f2106
[INFO] running `"docker" "start" "-a" "170c9514941b5be35f98bb780564238538ddea979a949041573def27801f2106"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]    Compiling rug v1.5.1
[INFO] [stderr]    Compiling readline_rs_compat v0.1.9
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling lexical v2.2.1
[INFO] [stderr]     Checking prolog_parser v0.8.27
[INFO] [stderr]     Checking scryer-prolog v0.8.86 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::downcast::impl_downcast macros>:5:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | < $ ( $ params : ident ) , + $ ( , ) * > $ base : ty $ (
[INFO] [stderr]   |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 5 | for $ base where _T : $ crate :: Any , $ ( $ params : 'static , ) * $ (
[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]   --> <::downcast::downcast_methods_core macros>:21:46
[INFO] [stderr]    |
[INFO] [stderr] 19 | < $ ( $ params : ident ) , + $ ( , ) * > $ base : ty $ (
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] 20 | where $ ( $ bounds : tt ) + ) * ) => {
[INFO] [stderr] 21 | impl < $ ( $ params ) , + > $ base where $ ( $ params : 'static , ) * $ (
[INFO] [stderr]    |                                              ^^^^^^^^               - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::prolog_parser::macros::char_class macros>:3:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ c : expr , [ $ head : expr $ ( , $ cs : expr ) + ] ) => (
[INFO] [stderr]   |                                                  - expected repetition
[INFO] [stderr] 3 | $ c == $ head || char_class ! ( $ c , [ $ ( $ cs ) , * ] ) ) ;
[INFO] [stderr]   |                                             ^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_errors.rs:151:46
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn into_iter(self, offset: usize) -> Box<Iterator<Item=HeapCellValue>> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=HeapCellValue>`
[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/prolog/machine/machine_state.rs:870:11
[INFO] [stderr]     |
[INFO] [stderr] 870 | downcast!(CallPolicy);
[INFO] [stderr]     |           ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:877:33
[INFO] [stderr]     |
[INFO] [stderr] 877 |     pub(crate) prev_policy: Box<CallPolicy>,
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:884:49
[INFO] [stderr]     |
[INFO] [stderr] 884 |     pub(crate) fn new_in_place(policy: &mut Box<CallPolicy>)
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:886:34
[INFO] [stderr]     |
[INFO] [stderr] 886 |         let mut prev_policy: Box<CallPolicy> = Box::new(DefaultCallPolicy {});
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:939:48
[INFO] [stderr]     |
[INFO] [stderr] 939 |     pub(crate) fn into_inner(&mut self) -> Box<CallPolicy> {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:940:32
[INFO] [stderr]     |
[INFO] [stderr] 940 |         let mut new_inner: Box<CallPolicy> = Box::new(DefaultCallPolicy {});
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:951:11
[INFO] [stderr]     |
[INFO] [stderr] 951 | downcast!(CutPolicy);
[INFO] [stderr]     |           ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:2978:49
[INFO] [stderr]      |
[INFO] [stderr] 2978 |                           call_policy: &mut Box<CallPolicy>,
[INFO] [stderr]      |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:2979:49
[INFO] [stderr]      |
[INFO] [stderr] 2979 |                           cut_policy:  &mut Box<CutPolicy>,
[INFO] [stderr]      |                                                 ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:2986:42
[INFO] [stderr]      |
[INFO] [stderr] 2986 |         let mut default_call_policy: Box<CallPolicy> = Box::new(DefaultCallPolicy {});
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3019:60
[INFO] [stderr]      |
[INFO] [stderr] 3019 |                                      call_policy: &mut Box<CallPolicy>,
[INFO] [stderr]      |                                                            ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3020:60
[INFO] [stderr]      |
[INFO] [stderr] 3020 |                                      cut_policy:  &mut Box<CutPolicy>,
[INFO] [stderr]      |                                                            ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3047:70
[INFO] [stderr]      |
[INFO] [stderr] 3047 |                                                call_policy: &mut Box<CallPolicy>)
[INFO] [stderr]      |                                                                      ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3084:62
[INFO] [stderr]      |
[INFO] [stderr] 3084 |                                        call_policy: &mut Box<CallPolicy>)
[INFO] [stderr]      |                                                              ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3129:58
[INFO] [stderr]      |
[INFO] [stderr] 3129 |                                     cut_policy: &mut Box<CutPolicy>)
[INFO] [stderr]      |                                                          ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/system_calls.rs:417:53
[INFO] [stderr]     |
[INFO] [stderr] 417 |                               call_policy: &mut Box<CallPolicy>,
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/system_calls.rs:418:53
[INFO] [stderr]     |
[INFO] [stderr] 418 |                               cut_policy:  &mut Box<CutPolicy>,
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/machine/mod.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |     call_policy: Box<CallPolicy>,
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/machine/mod.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |     cut_policy: Box<CutPolicy>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/machine/mod.rs:69:49
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub(super) prolog_stream: ParsingStream<Box<Read>>
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/iterators.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |     iter: Box<Iterator<Item=ChunkedTerm<'a>> + 'a>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=ChunkedTerm<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/iterators.rs:307:40
[INFO] [stderr]     |
[INFO] [stderr] 307 |     pub fn rule_body_iter(self) -> Box<Iterator<Item=RuleBodyIteratorItem<'a>> + 'a>
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RuleBodyIteratorItem<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/prolog/heap_print.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |         '\x20' ... '\x7e' => c.to_string(),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/read.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub type PrologStream = ParsingStream<Box<Read>>;
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/read.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let reader: Box<Read> = Box::new(ReadlineStream::new(String::from("")));
[INFO] [stderr]     |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::downcast::impl_downcast macros>:5:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | < $ ( $ params : ident ) , + $ ( , ) * > $ base : ty $ (
[INFO] [stderr]   |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 5 | for $ base where _T : $ crate :: Any , $ ( $ params : 'static , ) * $ (
[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]   --> <::downcast::downcast_methods_core macros>:21:46
[INFO] [stderr]    |
[INFO] [stderr] 19 | < $ ( $ params : ident ) , + $ ( , ) * > $ base : ty $ (
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] 20 | where $ ( $ bounds : tt ) + ) * ) => {
[INFO] [stderr] 21 | impl < $ ( $ params ) , + > $ base where $ ( $ params : 'static , ) * $ (
[INFO] [stderr]    |                                              ^^^^^^^^               - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::prolog_parser::macros::char_class macros>:3:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ c : expr , [ $ head : expr $ ( , $ cs : expr ) + ] ) => (
[INFO] [stderr]   |                                                  - expected repetition
[INFO] [stderr] 3 | $ c == $ head || char_class ! ( $ c , [ $ ( $ cs ) , * ] ) ) ;
[INFO] [stderr]   |                                             ^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_errors.rs:151:46
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn into_iter(self, offset: usize) -> Box<Iterator<Item=HeapCellValue>> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=HeapCellValue>`
[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/prolog/machine/machine_state.rs:870:11
[INFO] [stderr]     |
[INFO] [stderr] 870 | downcast!(CallPolicy);
[INFO] [stderr]     |           ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:877:33
[INFO] [stderr]     |
[INFO] [stderr] 877 |     pub(crate) prev_policy: Box<CallPolicy>,
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:884:49
[INFO] [stderr]     |
[INFO] [stderr] 884 |     pub(crate) fn new_in_place(policy: &mut Box<CallPolicy>)
[INFO] [stderr]     |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:886:34
[INFO] [stderr]     |
[INFO] [stderr] 886 |         let mut prev_policy: Box<CallPolicy> = Box::new(DefaultCallPolicy {});
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:939:48
[INFO] [stderr]     |
[INFO] [stderr] 939 |     pub(crate) fn into_inner(&mut self) -> Box<CallPolicy> {
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:940:32
[INFO] [stderr]     |
[INFO] [stderr] 940 |         let mut new_inner: Box<CallPolicy> = Box::new(DefaultCallPolicy {});
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/machine_state.rs:951:11
[INFO] [stderr]     |
[INFO] [stderr] 951 | downcast!(CutPolicy);
[INFO] [stderr]     |           ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:2978:49
[INFO] [stderr]      |
[INFO] [stderr] 2978 |                           call_policy: &mut Box<CallPolicy>,
[INFO] [stderr]      |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:2979:49
[INFO] [stderr]      |
[INFO] [stderr] 2979 |                           cut_policy:  &mut Box<CutPolicy>,
[INFO] [stderr]      |                                                 ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:2986:42
[INFO] [stderr]      |
[INFO] [stderr] 2986 |         let mut default_call_policy: Box<CallPolicy> = Box::new(DefaultCallPolicy {});
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3019:60
[INFO] [stderr]      |
[INFO] [stderr] 3019 |                                      call_policy: &mut Box<CallPolicy>,
[INFO] [stderr]      |                                                            ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3020:60
[INFO] [stderr]      |
[INFO] [stderr] 3020 |                                      cut_policy:  &mut Box<CutPolicy>,
[INFO] [stderr]      |                                                            ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3047:70
[INFO] [stderr]      |
[INFO] [stderr] 3047 |                                                call_policy: &mut Box<CallPolicy>)
[INFO] [stderr]      |                                                                      ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3084:62
[INFO] [stderr]      |
[INFO] [stderr] 3084 |                                        call_policy: &mut Box<CallPolicy>)
[INFO] [stderr]      |                                                              ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/prolog/machine/machine_state_impl.rs:3129:58
[INFO] [stderr]      |
[INFO] [stderr] 3129 |                                     cut_policy: &mut Box<CutPolicy>)
[INFO] [stderr]      |                                                          ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/system_calls.rs:417:53
[INFO] [stderr]     |
[INFO] [stderr] 417 |                               call_policy: &mut Box<CallPolicy>,
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/machine/system_calls.rs:418:53
[INFO] [stderr]     |
[INFO] [stderr] 418 |                               cut_policy:  &mut Box<CutPolicy>,
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/machine/mod.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |     call_policy: Box<CallPolicy>,
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn CallPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/machine/mod.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |     cut_policy: Box<CutPolicy>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CutPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/machine/mod.rs:69:49
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub(super) prolog_stream: ParsingStream<Box<Read>>
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/iterators.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |     iter: Box<Iterator<Item=ChunkedTerm<'a>> + 'a>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=ChunkedTerm<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/iterators.rs:307:40
[INFO] [stderr]     |
[INFO] [stderr] 307 |     pub fn rule_body_iter(self) -> Box<Iterator<Item=RuleBodyIteratorItem<'a>> + 'a>
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RuleBodyIteratorItem<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/prolog/heap_print.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |         '\x20' ... '\x7e' => c.to_string(),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prolog/read.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub type PrologStream = ParsingStream<Box<Read>>;
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/prolog/read.rs:148:25
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let reader: Box<Read> = Box::new(ReadlineStream::new(String::from("")));
[INFO] [stderr]     |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `scryer-prolog`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `scryer-prolog`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "170c9514941b5be35f98bb780564238538ddea979a949041573def27801f2106"`
[INFO] running `"docker" "rm" "-f" "170c9514941b5be35f98bb780564238538ddea979a949041573def27801f2106"`
[INFO] [stdout] 170c9514941b5be35f98bb780564238538ddea979a949041573def27801f2106