[INFO] fetching crate dtl 0.0.2...
[INFO] testing dtl-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dtl 0.0.2 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate dtl 0.0.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dtl 0.0.2
[INFO] finished tweaking crates.io crate dtl 0.0.2
[INFO] tweaked toml for crates.io crate dtl 0.0.2 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d6a2af2197e89112c413287589635084aaa1a29832f49f15ca355e4f8fb9114
[INFO] running `Command { std: "docker" "start" "-a" "8d6a2af2197e89112c413287589635084aaa1a29832f49f15ca355e4f8fb9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6a2af2197e89112c413287589635084aaa1a29832f49f15ca355e4f8fb9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6a2af2197e89112c413287589635084aaa1a29832f49f15ca355e4f8fb9114", kill_on_drop: false }`
[INFO] [stdout] 8d6a2af2197e89112c413287589635084aaa1a29832f49f15ca355e4f8fb9114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d12f7c6bbb204714d90a08dc9d15865872905e82fce0cb0513433b464edc15f9
[INFO] running `Command { std: "docker" "start" "-a" "d12f7c6bbb204714d90a08dc9d15865872905e82fce0cb0513433b464edc15f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling dtl v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/variable_node.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(VariableNode { expr: try!(FilterExpression::new(&token.content, filters)) })
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ast/mod.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn render(&self, &Context, &mut Vec<String>) -> String;
[INFO] [stdout]    |                      ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ast/mod.rs:92:32
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn render(&self, &Context, &mut Vec<String>) -> String;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Vec<String>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast/mod.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let res = try!(parse(&mut tokens.iter(), Vec::new(), compiler));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ast/mod.rs:112:31
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     let tmp = try!(VariableNode::new(tkn, &compiler.filters));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/filter/mod.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let filter = try!(FilterNode::from_expression(filter_expr, storage));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/block.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let res = try!(parse(iter, vec!("endblock"), compiler));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/comment.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     try!(parse(iter, vec!("endcomment"), compiler));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/include.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let name = try!(match count {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/include.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let template = try!(compiler.compile_file(Path::new(&name)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/include.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let name = try!(words.next().ok_or(Error::new(ErrorKind::Other, "`include` must contain name"))).to_string();
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/include.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let content = try!(get_template_ast(&name, compiler));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/include.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let context = try!(match words.next() {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/for_tag.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let (var_name, list_name) = try!(parse_args(body));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/for_tag.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let res = try!(parse(iter, vec!("endfor"), compiler));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tags/if_tag.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let res = try!(parse(iter, vec!("elif", "else", "endif"), compiler));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/template.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let t = try!(ast::build(tokens, compiler));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/template.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             is_extends = match try!(Self::get_extends_node(&t)) {
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/template.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let mut parent_template = try!(compiler.compile_file(extends_node.name()));
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     try!(file.read_to_string(&mut text));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/compiler.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for i in (0..filters.len()) {
[INFO] [stdout]    |                  ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         for i in (0..filters.len()) {
[INFO] [stdout] 27 +         for i in 0..filters.len() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let metadata = try!(fs::metadata(root.clone()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let text = try!(read_file(filepath.as_path()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler.rs:68:18
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let compiler = try!(Self::new(root));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(try!(compiler.compile_file(path)).render(context))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     contexts: Vec<&'a Context>,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 -     contexts: Vec<&'a Context>,
[INFO] [stdout] 75 +     contexts: Vec<&'a dyn Context>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/filter_node.rs:28:70
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type FilterFunction = fn(Option<Box<Value>>, &str) -> Option<Box<Value>>;
[INFO] [stdout]    |                                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub type FilterFunction = fn(Option<Box<Value>>, &str) -> Option<Box<Value>>;
[INFO] [stdout] 28 + pub type FilterFunction = fn(Option<Box<Value>>, &str) -> Option<Box<dyn Value>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/filter_node.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type FilterFunction = fn(Option<Box<Value>>, &str) -> Option<Box<Value>>;
[INFO] [stdout]    |                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub type FilterFunction = fn(Option<Box<Value>>, &str) -> Option<Box<Value>>;
[INFO] [stdout] 28 + pub type FilterFunction = fn(Option<Box<dyn Value>>, &str) -> Option<Box<Value>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |     dict: HashMap<String, Box<Value>>,
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     dict: HashMap<String, Box<Value>>,
[INFO] [stdout] 35 +     dict: HashMap<String, Box<dyn Value>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn render(&self, &Context, &mut Vec<String>) -> String;
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     fn render(&self, &Context, &mut Vec<String>) -> String;
[INFO] [stdout] 92 +     fn render(&self, &dyn Context, &mut Vec<String>) -> String;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn render(&self, c: &Context, s: &mut Vec<String>) -> String {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 -     fn render(&self, c: &Context, s: &mut Vec<String>) -> String {
[INFO] [stdout] 78 +     fn render(&self, c: &dyn Context, s: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:144:29
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 144 -     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 144 +     fn render(&self, context: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:29:43
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn get(&self, field: &str) -> Option<&Value>;
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn get(&self, field: &str) -> Option<&Value>;
[INFO] [stdout] 29 +     fn get(&self, field: &str) -> Option<&dyn Value>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn set(&mut self, field: &str, value: Box<Value>);
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     fn set(&mut self, field: &str, value: Box<Value>);
[INFO] [stdout] 30 +     fn set(&mut self, field: &str, value: Box<dyn Value>);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:45:43
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn get(&self, field: &str) -> Option<&Value> {
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     fn get(&self, field: &str) -> Option<&Value> {
[INFO] [stdout] 45 +     fn get(&self, field: &str) -> Option<&dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:67:47
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn set(&mut self, field: &str, value: Box<Value>) {
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 -     fn set(&mut self, field: &str, value: Box<Value>) {
[INFO] [stdout] 67 +     fn set(&mut self, field: &str, value: Box<dyn Value>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn add(&mut self, c: &'a Context) {
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     pub fn add(&mut self, c: &'a Context) {
[INFO] [stdout] 86 +     pub fn add(&mut self, c: &'a dyn Context) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:92:43
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn get(&self, field: &str) -> Option<&Value> {
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     fn get(&self, field: &str) -> Option<&Value> {
[INFO] [stdout] 92 +     fn get(&self, field: &str) -> Option<&dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/context.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn set(&mut self, field: &str, value: Box<Value>) {
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 104 -     fn set(&mut self, field: &str, value: Box<Value>) {
[INFO] [stdout] 104 +     fn set(&mut self, field: &str, value: Box<dyn Value>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/mod.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn apply_filter(&self, input: Option<Box<Value>>, iterator: &mut Iterator<Item=&FilterNode>, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 -     fn apply_filter(&self, input: Option<Box<Value>>, iterator: &mut Iterator<Item=&FilterNode>, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 56 +     fn apply_filter(&self, input: Option<Box<dyn Value>>, iterator: &mut Iterator<Item=&FilterNode>, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/mod.rs:56:70
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn apply_filter(&self, input: Option<Box<Value>>, iterator: &mut Iterator<Item=&FilterNode>, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 -     fn apply_filter(&self, input: Option<Box<Value>>, iterator: &mut Iterator<Item=&FilterNode>, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 56 +     fn apply_filter(&self, input: Option<Box<Value>>, iterator: &mut dyn Iterator<Item=&FilterNode>, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/mod.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     pub fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 70 +     pub fn render(&self, context: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/template.rs:87:36
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn render(&self, context: &Context) -> String {
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     pub fn render(&self, context: &Context) -> String {
[INFO] [stdout] 87 +     pub fn render(&self, context: &dyn Context) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Clone for Box<Value> {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - impl Clone for Box<Value> {
[INFO] [stdout] 43 + impl Clone for Box<dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get_iterator<'a>(&'a self) -> Option<Box<Iterator<Item=&Value> + 'a>>;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     fn get_iterator<'a>(&'a self) -> Option<Box<Iterator<Item=&Value> + 'a>>;
[INFO] [stdout] 22 +     fn get_iterator<'a>(&'a self) -> Option<Box<dyn Iterator<Item=&Value> + 'a>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:22:61
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get_iterator<'a>(&'a self) -> Option<Box<Iterator<Item=&Value> + 'a>>;
[INFO] [stdout]    |                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     fn get_iterator<'a>(&'a self) -> Option<Box<Iterator<Item=&Value> + 'a>>;
[INFO] [stdout] 22 +     fn get_iterator<'a>(&'a self) -> Option<Box<Iterator<Item=&dyn Value> + 'a>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:26:48
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn get_property(&self, name: &str) -> Option<&Value>;
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn get_property(&self, name: &str) -> Option<&Value>;
[INFO] [stdout] 26 +     fn get_property(&self, name: &str) -> Option<&dyn Value>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn clone_box(&self) -> Box<Value>;
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 -     fn clone_box(&self) -> Box<Value>;
[INFO] [stdout] 34 +     fn clone_box(&self) -> Box<dyn Value>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn clone_box(&self) -> Box<Value> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     fn clone_box(&self) -> Box<Value> {
[INFO] [stdout] 38 +     fn clone_box(&self) -> Box<dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn clone(&self) -> Box<Value> {
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn clone(&self) -> Box<Value> {
[INFO] [stdout] 44 +     fn clone(&self) -> Box<dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler.rs:67:59
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn render_file(root: PathBuf, path: &Path, context: &Context) -> Result<String> {
[INFO] [stdout]    |                                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub fn render_file(root: PathBuf, path: &Path, context: &Context) -> Result<String> {
[INFO] [stdout] 67 +     pub fn render_file(root: PathBuf, path: &Path, context: &dyn Context) -> Result<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/block_node.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 43 +     fn render(&self, context: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/extends_node.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn render(&self, _context: &Context, _: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn render(&self, _context: &Context, _: &mut Vec<String>) -> String {
[INFO] [stdout] 63 +     fn render(&self, _context: &dyn Context, _: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/include_node.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn render(&self, ctx: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     fn render(&self, ctx: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 39 +     fn render(&self, ctx: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/text_node.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn render(&self, _context: &Context, _: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     fn render(&self, _context: &Context, _: &mut Vec<String>) -> String {
[INFO] [stdout] 38 +     fn render(&self, _context: &dyn Context, _: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/variable_node.rs:43:32
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 43 +     fn render(&self, context: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/for_node.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 40 +     fn render(&self, context: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/if_node.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn is_true(&self, c: &Context) -> bool {
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     fn is_true(&self, c: &Context) -> bool {
[INFO] [stdout] 33 +     fn is_true(&self, c: &dyn Context) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/if_node.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 60 -     fn render(&self, context: &Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout] 60 +     fn render(&self, context: &dyn Context, storage: &mut Vec<String>) -> String {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/filter_node.rs:76:63
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn apply(&self, input: Option<Box<Value>>) -> Option<Box<Value>> {
[INFO] [stdout]    |                                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     pub fn apply(&self, input: Option<Box<Value>>) -> Option<Box<Value>> {
[INFO] [stdout] 76 +     pub fn apply(&self, input: Option<Box<Value>>) -> Option<Box<dyn Value>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filter/filter_node.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn apply(&self, input: Option<Box<Value>>) -> Option<Box<Value>> {
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 -     pub fn apply(&self, input: Option<Box<Value>>) -> Option<Box<Value>> {
[INFO] [stdout] 76 +     pub fn apply(&self, input: Option<Box<dyn Value>>) -> Option<Box<Value>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/value/helpers.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn value_to_trait_object<T: Value>(s: &T) -> &Value {
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn value_to_trait_object<T: Value>(s: &T) -> &Value {
[INFO] [stdout] 3 + pub fn value_to_trait_object<T: Value>(s: &T) -> &dyn Value {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/filter/default_filters/default.rs:3:66
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn apply(input: Option<Box<Value>>, arg: &str) -> Option<Box<Value>> {
[INFO] [stdout]   |                                                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn apply(input: Option<Box<Value>>, arg: &str) -> Option<Box<Value>> {
[INFO] [stdout] 3 + pub fn apply(input: Option<Box<Value>>, arg: &str) -> Option<Box<dyn Value>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/filter/default_filters/default.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn apply(input: Option<Box<Value>>, arg: &str) -> Option<Box<Value>> {
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn apply(input: Option<Box<Value>>, arg: &str) -> Option<Box<Value>> {
[INFO] [stdout] 3 + pub fn apply(input: Option<Box<dyn Value>>, arg: &str) -> Option<Box<Value>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/filter/default_filters/add.rs:3:64
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn apply(input: Option<Box<Value>>, _: &str) -> Option<Box<Value>> {
[INFO] [stdout]   |                                                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn apply(input: Option<Box<Value>>, _: &str) -> Option<Box<Value>> {
[INFO] [stdout] 3 + pub fn apply(input: Option<Box<Value>>, _: &str) -> Option<Box<dyn Value>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/filter/default_filters/add.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn apply(input: Option<Box<Value>>, _: &str) -> Option<Box<Value>> {
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn apply(input: Option<Box<Value>>, _: &str) -> Option<Box<Value>> {
[INFO] [stdout] 3 + pub fn apply(input: Option<Box<dyn Value>>, _: &str) -> Option<Box<Value>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/string.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 10 +     fn get_iterator(&self) -> Option<Box<dyn Iterator<Item=&Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/string.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 10 +     fn get_iterator(&self) -> Option<Box<Iterator<Item=&dyn Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/string.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout]    |                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout] 16 +     fn get_property(&self, _: &str) -> Option<&dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/integers.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 10 +     fn get_iterator(&self) -> Option<Box<dyn Iterator<Item=&Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/integers.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 10 +     fn get_iterator(&self) -> Option<Box<Iterator<Item=&dyn Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/integers.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout]    |                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout] 16 +     fn get_property(&self, _: &str) -> Option<&dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/floats.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 10 +     fn get_iterator(&self) -> Option<Box<dyn Iterator<Item=&Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/floats.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 10 +     fn get_iterator(&self) -> Option<Box<Iterator<Item=&dyn Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/floats.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout]    |                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout] 16 +     fn get_property(&self, _: &str) -> Option<&dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/bool.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 13 +     fn get_iterator(&self) -> Option<Box<dyn Iterator<Item=&Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/bool.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn get_iterator(&self) -> Option<Box<Iterator<Item=&Value>>> {
[INFO] [stdout] 13 +     fn get_iterator(&self) -> Option<Box<Iterator<Item=&dyn Value>>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/default_impls/bool.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout]    |                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn get_property(&self, _: &str) -> Option<&Value> {
[INFO] [stdout] 19 +     fn get_property(&self, _: &str) -> Option<&dyn Value> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `String: ValueClone`
[INFO] [stdout]   --> src/filter/default_filters/default.rs:6:16
[INFO] [stdout]    |
[INFO] [stdout] 6  |         None => Some(Box::new(arg.to_string())),
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: required because of the requirements on the impl of `Value` for `String`
[INFO] [stdout]   --> src/value/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T> Value for T where T: mopa::Any + ValueAsStringByRef + ValueAsIterator + ValueAsObject + ValueAsBool+ ValueClone + Debug {}
[INFO] [stdout]    |         ^^^^^     ^
[INFO] [stdout]    = note: required for the cast to the object type `dyn Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dtl` due to 2 previous errors; 79 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d12f7c6bbb204714d90a08dc9d15865872905e82fce0cb0513433b464edc15f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12f7c6bbb204714d90a08dc9d15865872905e82fce0cb0513433b464edc15f9", kill_on_drop: false }`
[INFO] [stdout] d12f7c6bbb204714d90a08dc9d15865872905e82fce0cb0513433b464edc15f9