[INFO] crate trimmer 0.3.6 is already in cache
[INFO] checking trimmer-0.3.6 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate trimmer 0.3.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate trimmer 0.3.6 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trimmer 0.3.6
[INFO] finished tweaking crates.io crate trimmer 0.3.6
[INFO] tweaked toml for crates.io crate trimmer 0.3.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96a0e0fd49fa76f53af44a446cea1695a87279c1e8ff381647f4ed90594dd3d6
[INFO] running `"docker" "start" "-a" "96a0e0fd49fa76f53af44a446cea1695a87279c1e8ff381647f4ed90594dd3d6"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking trimmer v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `position` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:583:31
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                           -------- the item `position` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 583 |     use combine::combinator::{position, parser};
[INFO] [stderr]     |                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `parser` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:583:41
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                                     ------ the item `parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 583 |     use combine::combinator::{position, parser};
[INFO] [stderr]     |                                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `skip_many` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:658:35
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                                                             --------- the item `skip_many` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 658 |         use combine::combinator::{skip_many, parser};
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `parser` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:658:46
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                                     ------ the item `parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 658 |         use combine::combinator::{skip_many, parser};
[INFO] [stderr]     |                                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/number.rs:110:46
[INFO] [stderr]     |
[INFO] [stderr] 110 |     OwningRef::new(Rc::new(v)).map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/number.rs:138:27
[INFO] [stderr]     |
[INFO] [stderr] 138 |             b.checked_sub((-a as u64)).map(val)
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/number.rs:162:27
[INFO] [stderr]     |
[INFO] [stderr] 162 |             a.checked_add((-b as u64)).map(val)
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/output.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Borrow(&'a (Display + 'a)),
[INFO] [stderr]   |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/output.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Owned(Box<Display + 'a>),
[INFO] [stderr]   |               ^^^^^^^^^^^^ help: use `dyn`: `dyn Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |     -> Rc<Erased+'render>
[INFO] [stderr]    |           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Erased+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]    |                                        ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:108:37
[INFO] [stderr]     |
[INFO] [stderr] 108 |             s.clone().map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                     ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:116:48
[INFO] [stderr]     |
[INFO] [stderr] 116 |                         .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:130:48
[INFO] [stderr]     |
[INFO] [stderr] 130 |                         .map(|_| UNDEFINED as &Variable))
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:165:48
[INFO] [stderr]     |
[INFO] [stderr] 165 |                         .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:198:48
[INFO] [stderr]     |
[INFO] [stderr] 198 |                         .map(|_| UNDEFINED as &Variable))
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:206:39
[INFO] [stderr]     |
[INFO] [stderr] 206 |             val.clone().map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:209:39
[INFO] [stderr]     |
[INFO] [stderr] 209 |             val.clone().map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:216:44
[INFO] [stderr]     |
[INFO] [stderr] 216 |                         .map(|_| FALSE as &Variable)
[INFO] [stderr]     |                                            ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:220:43
[INFO] [stderr]     |
[INFO] [stderr] 220 |                         .map(|_| TRUE as &Variable)
[INFO] [stderr]     |                                           ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:225:48
[INFO] [stderr]     |
[INFO] [stderr] 225 |                         .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:239:56
[INFO] [stderr]     |
[INFO] [stderr] 239 | ...                   .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:255:56
[INFO] [stderr]     |
[INFO] [stderr] 255 | ...                   .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:261:52
[INFO] [stderr]     |
[INFO] [stderr] 261 | ...                   .map(|_| FALSE as &Variable);
[INFO] [stderr]     |                                          ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:270:56
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:277:35
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 .map(|_| TRUE as &Variable);
[INFO] [stderr]     |                                   ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:296:48
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 .map(|x: &HashMap<_, _>| x as &Variable).erase_owner();
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:303:41
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 .map(|x: &Vec<_>| x as &Variable).erase_owner();
[INFO] [stderr]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render_error.rs:98:25
[INFO] [stderr]    |
[INFO] [stderr] 98 |         Custom(err: Box<Error>) {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:167:37
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:182:23
[INFO] [stderr]     |
[INFO] [stderr] 182 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:217:23
[INFO] [stderr]     |
[INFO] [stderr] 217 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:237:37
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:252:23
[INFO] [stderr]     |
[INFO] [stderr] 252 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:272:37
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:287:23
[INFO] [stderr]     |
[INFO] [stderr] 287 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:304:23
[INFO] [stderr]     |
[INFO] [stderr] 304 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:309:37
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:329:23
[INFO] [stderr]     |
[INFO] [stderr] 329 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:346:23
[INFO] [stderr]     |
[INFO] [stderr] 346 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]    |  _______________________^
[INFO] [stderr] 47 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 46 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 47 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 103 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 102 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 103 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:158:23
[INFO] [stderr]     |
[INFO] [stderr] 158 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 159 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 158 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 159 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:167:23
[INFO] [stderr]     |
[INFO] [stderr] 167 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:183:16
[INFO] [stderr]     |
[INFO] [stderr] 183 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:214:23
[INFO] [stderr]     |
[INFO] [stderr] 214 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 215 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 214 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 215 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/varmap.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |     nothing: Rc<Erased+'render>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Erased+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/varmap.rs:15:43
[INFO] [stderr]    |
[INFO] [stderr] 15 |     vars: HashMap<&'render str, &'render (Variable<'render> + 'render)>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/vars.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type VarRef<'render> = OwningRef<Rc<Erased+'render>,
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Erased+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vars.rs:10:38
[INFO] [stderr]    |
[INFO] [stderr] 10 | ...                   Variable<'render>+'render>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vars.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Ref(&'a (Variable<'render> + 'render)),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vars.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn index<'x>(&'x self, _key: &(Variable<'render> + 'render))
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:142:36
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn index<'x>(&'x self,  _key: &Variable)
[INFO] [stderr]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:158:23
[INFO] [stderr]     |
[INFO] [stderr] 158 |         -> Result<Box<Iterator<Item=Var<'x, 'a>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'a>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:164:23
[INFO] [stderr]     |
[INFO] [stderr] 164 |         -> Result<Box<Iterator<Item=(Var<'x, 'a>, Var<'x, 'a>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'a>, Var<'x, 'a>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 .map(|x| x as &Variable).erase_owner()))
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 .map(|x| x as &Variable)
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:242:16
[INFO] [stderr]     |
[INFO] [stderr] 242 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:273:23
[INFO] [stderr]     |
[INFO] [stderr] 273 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 274 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 273 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 274 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:282:23
[INFO] [stderr]     |
[INFO] [stderr] 282 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn index<'x>(&'x self, key: &Variable<'render>)
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serde.rs:134:23
[INFO] [stderr]     |
[INFO] [stderr] 134 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serde.rs:147:23
[INFO] [stderr]     |
[INFO] [stderr] 147 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `position` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:583:31
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                           -------- the item `position` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 583 |     use combine::combinator::{position, parser};
[INFO] [stderr]     |                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `parser` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:583:41
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                                     ------ the item `parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 583 |     use combine::combinator::{position, parser};
[INFO] [stderr]     |                                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `skip_many` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:658:35
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                                                             --------- the item `skip_many` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 658 |         use combine::combinator::{skip_many, parser};
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `parser` is imported redundantly
[INFO] [stderr]    --> src/grammar.rs:658:46
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::combinator::{position, parser, many, optional, skip_many};
[INFO] [stderr]     |                                     ------ the item `parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 658 |         use combine::combinator::{skip_many, parser};
[INFO] [stderr]     |                                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/number.rs:110:46
[INFO] [stderr]     |
[INFO] [stderr] 110 |     OwningRef::new(Rc::new(v)).map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/number.rs:138:27
[INFO] [stderr]     |
[INFO] [stderr] 138 |             b.checked_sub((-a as u64)).map(val)
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/number.rs:162:27
[INFO] [stderr]     |
[INFO] [stderr] 162 |             a.checked_add((-b as u64)).map(val)
[INFO] [stderr]     |                           ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/output.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Borrow(&'a (Display + 'a)),
[INFO] [stderr]   |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/output.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Owned(Box<Display + 'a>),
[INFO] [stderr]   |               ^^^^^^^^^^^^ help: use `dyn`: `dyn Display + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |     -> Rc<Erased+'render>
[INFO] [stderr]    |           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Erased+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]    |                                        ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:108:37
[INFO] [stderr]     |
[INFO] [stderr] 108 |             s.clone().map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                     ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:116:48
[INFO] [stderr]     |
[INFO] [stderr] 116 |                         .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:130:48
[INFO] [stderr]     |
[INFO] [stderr] 130 |                         .map(|_| UNDEFINED as &Variable))
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:165:48
[INFO] [stderr]     |
[INFO] [stderr] 165 |                         .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:198:48
[INFO] [stderr]     |
[INFO] [stderr] 198 |                         .map(|_| UNDEFINED as &Variable))
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:206:39
[INFO] [stderr]     |
[INFO] [stderr] 206 |             val.clone().map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:209:39
[INFO] [stderr]     |
[INFO] [stderr] 209 |             val.clone().map(|x| x as &Variable).erase_owner()
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:216:44
[INFO] [stderr]     |
[INFO] [stderr] 216 |                         .map(|_| FALSE as &Variable)
[INFO] [stderr]     |                                            ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:220:43
[INFO] [stderr]     |
[INFO] [stderr] 220 |                         .map(|_| TRUE as &Variable)
[INFO] [stderr]     |                                           ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:225:48
[INFO] [stderr]     |
[INFO] [stderr] 225 |                         .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:239:56
[INFO] [stderr]     |
[INFO] [stderr] 239 | ...                   .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:255:56
[INFO] [stderr]     |
[INFO] [stderr] 255 | ...                   .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:261:52
[INFO] [stderr]     |
[INFO] [stderr] 261 | ...                   .map(|_| FALSE as &Variable);
[INFO] [stderr]     |                                          ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:270:56
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   .map(|_| UNDEFINED as &Variable)
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:277:35
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 .map(|_| TRUE as &Variable);
[INFO] [stderr]     |                                   ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:296:48
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 .map(|x: &HashMap<_, _>| x as &Variable).erase_owner();
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/render.rs:303:41
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 .map(|x: &Vec<_>| x as &Variable).erase_owner();
[INFO] [stderr]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render_error.rs:98:25
[INFO] [stderr]    |
[INFO] [stderr] 98 |         Custom(err: Box<Error>) {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:167:37
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:182:23
[INFO] [stderr]     |
[INFO] [stderr] 182 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:217:23
[INFO] [stderr]     |
[INFO] [stderr] 217 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:237:37
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:252:23
[INFO] [stderr]     |
[INFO] [stderr] 252 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:272:37
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:287:23
[INFO] [stderr]     |
[INFO] [stderr] 287 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:304:23
[INFO] [stderr]     |
[INFO] [stderr] 304 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:309:37
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn index<'x>(&'x self, index: &(Variable<'render>+'render))
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:329:23
[INFO] [stderr]     |
[INFO] [stderr] 329 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/std_vars.rs:346:23
[INFO] [stderr]     |
[INFO] [stderr] 346 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]    |  _______________________^
[INFO] [stderr] 47 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 46 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 47 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/box_vars.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 103 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 102 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 103 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:127:16
[INFO] [stderr]     |
[INFO] [stderr] 127 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:158:23
[INFO] [stderr]     |
[INFO] [stderr] 158 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 159 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 158 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 159 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:167:23
[INFO] [stderr]     |
[INFO] [stderr] 167 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:183:16
[INFO] [stderr]     |
[INFO] [stderr] 183 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:214:23
[INFO] [stderr]     |
[INFO] [stderr] 214 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 215 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 214 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 215 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/box_vars.rs:223:23
[INFO] [stderr]     |
[INFO] [stderr] 223 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/varmap.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |     nothing: Rc<Erased+'render>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Erased+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/varmap.rs:15:43
[INFO] [stderr]    |
[INFO] [stderr] 15 |     vars: HashMap<&'render str, &'render (Variable<'render> + 'render)>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/vars.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type VarRef<'render> = OwningRef<Rc<Erased+'render>,
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Erased+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vars.rs:10:38
[INFO] [stderr]    |
[INFO] [stderr] 10 | ...                   Variable<'render>+'render>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>+'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vars.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Ref(&'a (Variable<'render> + 'render)),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vars.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn index<'x>(&'x self, _key: &(Variable<'render> + 'render))
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:142:36
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn index<'x>(&'x self,  _key: &Variable)
[INFO] [stderr]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:158:23
[INFO] [stderr]     |
[INFO] [stderr] 158 |         -> Result<Box<Iterator<Item=Var<'x, 'a>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'a>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:164:23
[INFO] [stderr]     |
[INFO] [stderr] 164 |         -> Result<Box<Iterator<Item=(Var<'x, 'a>, Var<'x, 'a>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'a>, Var<'x, 'a>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 .map(|x| x as &Variable).erase_owner()))
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 .map(|x| x as &Variable)
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn Variable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:242:16
[INFO] [stderr]     |
[INFO] [stderr] 242 |         key: &(Variable<'render> + 'render))
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render> + 'render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:273:23
[INFO] [stderr]     |
[INFO] [stderr] 273 |           -> Result<Box<Iterator<Item=
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 274 | |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 273 |         -> Result<Box<dyn Iterator<Item=
[INFO] [stderr] 274 |             Var<'x, 'render>>+'x>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vars.rs:282:23
[INFO] [stderr]     |
[INFO] [stderr] 282 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn index<'x>(&'x self, key: &Variable<'render>)
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Variable<'render>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serde.rs:134:23
[INFO] [stderr]     |
[INFO] [stderr] 134 |         -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Var<'x, 'render>>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serde.rs:147:23
[INFO] [stderr]     |
[INFO] [stderr] 147 |         -> Result<Box<Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Var<'x, 'render>, Var<'x, 'render>)>+'x`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `serde_json` is imported redundantly
[INFO] [stderr]   --> src/tests/render.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use serde_json;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[cfg(feature="json")] extern crate serde_json;
[INFO] [stderr]    |                        ------------------------ the item `serde_json` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `serde_json` is imported redundantly
[INFO] [stderr]   --> src/tests/indent.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     use serde_json;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[cfg(feature="json")] extern crate serde_json;
[INFO] [stderr]    |                        ------------------------ the item `serde_json` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `serde_json` is imported redundantly
[INFO] [stderr]   --> src/tests/oneline.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  |     use serde_json;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[cfg(feature="json")] extern crate serde_json;
[INFO] [stderr]    |                        ------------------------ the item `serde_json` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/grammar.rs:491:59
[INFO] [stderr]     |
[INFO] [stderr] 491 |             indent: if_token.value.len() - if_token.value.trim_left().len(),
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/grammar.rs:529:61
[INFO] [stderr]     |
[INFO] [stderr] 529 |             indent: for_token.value.len() - for_token.value.trim_left().len(),
[INFO] [stderr]     |                                                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/indent.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         let cindent = txt.len() - txt.trim_left().len();
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/grammar.rs:491:59
[INFO] [stderr]     |
[INFO] [stderr] 491 |             indent: if_token.value.len() - if_token.value.trim_left().len(),
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/render.rs:330:45
[INFO] [stderr]     |
[INFO] [stderr] 330 |                         let trim_len = text.trim_right().len();
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/render.rs:341:38
[INFO] [stderr]     |
[INFO] [stderr] 341 |                         let s = text.trim_left();
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/render.rs:343:46
[INFO] [stderr]     |
[INFO] [stderr] 343 | ...                   let trim_len = s.trim_right().len();
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/render.rs:353:38
[INFO] [stderr]     |
[INFO] [stderr] 353 |                         let s = text.trim_left();
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/render.rs:357:46
[INFO] [stderr]     |
[INFO] [stderr] 357 | ...                   let trim_len = s.trim_right().len();
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/grammar.rs:529:61
[INFO] [stderr]     |
[INFO] [stderr] 529 |             indent: for_token.value.len() - for_token.value.trim_left().len(),
[INFO] [stderr]     |                                                             ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]    --> src/std_vars.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Ok(*self as usize)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 | impl_number!(f32, 0.);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> src/std_vars.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Ok(*self as usize)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 152 | impl_number!(f64, 0.);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/indent.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         let cindent = txt.len() - txt.trim_left().len();
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 80 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `trimmer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/render.rs:330:45
[INFO] [stderr]     |
[INFO] [stderr] 330 |                         let trim_len = text.trim_right().len();
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/render.rs:341:38
[INFO] [stderr]     |
[INFO] [stderr] 341 |                         let s = text.trim_left();
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/render.rs:343:46
[INFO] [stderr]     |
[INFO] [stderr] 343 | ...                   let trim_len = s.trim_right().len();
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/render.rs:353:38
[INFO] [stderr]     |
[INFO] [stderr] 353 |                         let s = text.trim_left();
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/render.rs:357:46
[INFO] [stderr]     |
[INFO] [stderr] 357 | ...                   let trim_len = s.trim_right().len();
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]    --> src/std_vars.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Ok(*self as usize)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 | impl_number!(f32, 0.);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> src/std_vars.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Ok(*self as usize)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 152 | impl_number!(f64, 0.);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 83 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `trimmer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "96a0e0fd49fa76f53af44a446cea1695a87279c1e8ff381647f4ed90594dd3d6"`
[INFO] running `"docker" "rm" "-f" "96a0e0fd49fa76f53af44a446cea1695a87279c1e8ff381647f4ed90594dd3d6"`
[INFO] [stdout] 96a0e0fd49fa76f53af44a446cea1695a87279c1e8ff381647f4ed90594dd3d6