[INFO] fetching crate ares 0.1.0...
[INFO] testing ares-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ares 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ares 0.1.0
[INFO] finished tweaking crates.io crate ares 0.1.0
[INFO] tweaked toml for crates.io crate ares 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ares 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9751f5132aa67cb63ad2dea9f5eb3402b18252446e0d70b02418908d8ff5d73d
[INFO] running `Command { std: "docker" "start" "-a" "9751f5132aa67cb63ad2dea9f5eb3402b18252446e0d70b02418908d8ff5d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9751f5132aa67cb63ad2dea9f5eb3402b18252446e0d70b02418908d8ff5d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9751f5132aa67cb63ad2dea9f5eb3402b18252446e0d70b02418908d8ff5d73d", kill_on_drop: false }`
[INFO] [stdout] 9751f5132aa67cb63ad2dea9f5eb3402b18252446e0d70b02418908d8ff5d73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac8017fe05fb0ca1e17d63c5ca903c9125eba953d2c38c73478ac6f9f4c29b19
[INFO] running `Command { std: "docker" "start" "-a" "ac8017fe05fb0ca1e17d63c5ca903c9125eba953d2c38c73478ac6f9f4c29b19", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling ares v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout]     |                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout] 102 +             hasher.write(&transmute::<_, [u8; 4]>(v as u32 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout]     |                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout] 104 +             hasher.write(&transmute::<_, [u8; 8]>(v as u64 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value>),
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value>),
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>)
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>)
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sub_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sub_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn sub_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn sub_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn mul_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn mul_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mul_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mul_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn div_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn div_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn div_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn div_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn concat(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn concat(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 | gen_num_method!(is_nan, Value::Float, Value::Bool);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 | gen_num_method!(is_infinite, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 | gen_num_method!(is_finite, Value::Float, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | gen_num_method!(is_normal, Value::Float, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 | gen_num_method!(floor, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 | gen_num_method!(ceil, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | ------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 | gen_num_method!(round, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | gen_num_method!(trunc, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 | gen_num_method!(fract, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 | gen_num_method!(is_sign_positive, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | gen_num_method!(is_sign_negative, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 | gen_num_method!(recip, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | gen_num_method!(sqrt, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | gen_num_method!(exp, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | gen_num_method!(exp2, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | gen_num_method!(ln, Value::Float);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | gen_num_method!(log2, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | gen_num_method!(log10, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | gen_num_method!(to_degrees, Value::Float);
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | gen_num_method!(to_radians, Value::Float);
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | gen_num_method!(cbrt, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 | gen_num_method!(sin, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | gen_num_method!(cos, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 | gen_num_method!(tan, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 | gen_num_method!(asin, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | gen_num_method!(acos, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | gen_num_method!(atan, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 | gen_num_method!(exp_m1, Value::Float);
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | gen_num_method!(ln_1p, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | gen_num_method!(sinh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 | gen_num_method!(cosh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 | gen_num_method!(tanh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 | gen_num_method!(asinh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | gen_num_method!(acosh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 | gen_num_method!(atanh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | gen_num_method!(count_ones, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | ----------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | gen_num_method!(count_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | gen_num_method!(leading_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 | gen_num_method!(trailing_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | --------------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | gen_num_method!(swap_bytes, Value::Int);
[INFO] [stdout]    | --------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 | gen_num_method!(to_be, Value::Int);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 | gen_num_method!(to_le, Value::Int);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 | gen_num_method!(abs, Value::Int);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | gen_num_method!(signum, Value::Int);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | gen_num_method!(is_positive, Value::Int, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | gen_num_method!(is_negative, Value::Int, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/stdlib/core.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn equals(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn equals(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn lambda(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn lambda(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn define(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn define(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn quote(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn quote(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn cond(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn cond(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:166:22
[INFO] [stdout]     |
[INFO] [stdout] 166 |     where F: Fn(&mut Iterator<Item=Value>) -> Value + 'static
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     where F: Fn(&mut dyn Iterator<Item=Value>) -> Value + 'static
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |     where F: Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value + 'static
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 |     where F: Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value + 'static
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:168:23
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value> = Rc::new(f);
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/eval.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout]     |                           -----------------------^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: replace this with: `u32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/eval.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout]     |                           -----------------------^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: replace this with: `u64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ac8017fe05fb0ca1e17d63c5ca903c9125eba953d2c38c73478ac6f9f4c29b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8017fe05fb0ca1e17d63c5ca903c9125eba953d2c38c73478ac6f9f4c29b19", kill_on_drop: false }`
[INFO] [stdout] ac8017fe05fb0ca1e17d63c5ca903c9125eba953d2c38c73478ac6f9f4c29b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46717d818168b159554fc5959d0d024218144db9ed57852d5337ac3ab2ca46ad
[INFO] running `Command { std: "docker" "start" "-a" "46717d818168b159554fc5959d0d024218144db9ed57852d5337ac3ab2ca46ad", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout]     |                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout] 102 +             hasher.write(&transmute::<_, [u8; 4]>(v as u32 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout]     |                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout] 104 +             hasher.write(&transmute::<_, [u8; 8]>(v as u64 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value>),
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value>),
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>)
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>)
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sub_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sub_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn sub_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn sub_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn mul_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn mul_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mul_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mul_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn div_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn div_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn div_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn div_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn concat(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn concat(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 | gen_num_method!(is_nan, Value::Float, Value::Bool);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 | gen_num_method!(is_infinite, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 | gen_num_method!(is_finite, Value::Float, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | gen_num_method!(is_normal, Value::Float, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 | gen_num_method!(floor, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 | gen_num_method!(ceil, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | ------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 | gen_num_method!(round, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | gen_num_method!(trunc, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 | gen_num_method!(fract, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 | gen_num_method!(is_sign_positive, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | gen_num_method!(is_sign_negative, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 | gen_num_method!(recip, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | gen_num_method!(sqrt, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | gen_num_method!(exp, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | gen_num_method!(exp2, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | gen_num_method!(ln, Value::Float);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | gen_num_method!(log2, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | gen_num_method!(log10, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | gen_num_method!(to_degrees, Value::Float);
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | gen_num_method!(to_radians, Value::Float);
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | gen_num_method!(cbrt, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 | gen_num_method!(sin, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | gen_num_method!(cos, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 | gen_num_method!(tan, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 | gen_num_method!(asin, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | gen_num_method!(acos, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | gen_num_method!(atan, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 | gen_num_method!(exp_m1, Value::Float);
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | gen_num_method!(ln_1p, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | gen_num_method!(sinh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 | gen_num_method!(cosh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 | gen_num_method!(tanh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 | gen_num_method!(asinh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ares v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | gen_num_method!(acosh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 | gen_num_method!(atanh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | gen_num_method!(count_ones, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | ----------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | gen_num_method!(count_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | gen_num_method!(leading_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 | gen_num_method!(trailing_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | --------------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | gen_num_method!(swap_bytes, Value::Int);
[INFO] [stdout]    | --------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 | gen_num_method!(to_be, Value::Int);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 | gen_num_method!(to_le, Value::Int);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 | gen_num_method!(abs, Value::Int);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | gen_num_method!(signum, Value::Int);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | gen_num_method!(is_positive, Value::Int, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | gen_num_method!(is_negative, Value::Int, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/stdlib/core.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn equals(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn equals(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn lambda(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn lambda(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn define(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn define(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn quote(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn quote(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn cond(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn cond(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:166:22
[INFO] [stdout]     |
[INFO] [stdout] 166 |     where F: Fn(&mut Iterator<Item=Value>) -> Value + 'static
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     where F: Fn(&mut dyn Iterator<Item=Value>) -> Value + 'static
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |     where F: Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value + 'static
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 |     where F: Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value + 'static
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:168:23
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value> = Rc::new(f);
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/eval.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout]     |                           -----------------------^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: replace this with: `u32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/eval.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout]     |                           -----------------------^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: replace this with: `u64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/define.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/types.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/arithmetic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     assert_eq!(e("5"), Value::Int(5));
[INFO] [stdout]    |                        ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assert_eq!(e("-5"), Value::Int(-5));
[INFO] [stdout]    |                         ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     assert_eq!(e("5.0"), Value::Float(5.0));
[INFO] [stdout]    |                          ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(e("-5.0"), Value::Float(-5.0));
[INFO] [stdout]    |                           ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     assert_eq!(e("true"), Value::Bool(true));
[INFO] [stdout]    |                           ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assert_eq!(e("false"), Value::Bool(false));
[INFO] [stdout]    |                            ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/types.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     assert_eq!(e("\"foobar\""), Value::String(Rc::new("foobar".to_string())))
[INFO] [stdout]    |                                 ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ares` (test "types") due to 27 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout]     |                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout] 102 +             hasher.write(&transmute::<_, [u8; 4]>(v as u32 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/define.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |        (+ x 1)"), Value::Int(6));
[INFO] [stdout]    |                   ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/define.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |             x))"), Value::Int(5));
[INFO] [stdout]    |                    ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/define.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     x)))))"), Value::Int(16));
[INFO] [stdout]    |                               ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout]     |                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout] 104 +             hasher.write(&transmute::<_, [u8; 8]>(v as u64 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/lambda.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ares` (test "define") due to 23 previous errors
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/equals.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/cond.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value>),
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeFn(Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value>),
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>)
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnEvalFn(Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>)
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rebar`
[INFO] [stdout]  --> tests/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rebar;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn add_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn add_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sub_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sub_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn sub_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn sub_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn mul_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn mul_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mul_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn mul_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn div_ints(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn div_ints(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn div_floats(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn div_floats(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/arithmetic.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn concat(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn concat(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 | gen_num_method!(is_nan, Value::Float, Value::Bool);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 | gen_num_method!(is_infinite, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 | gen_num_method!(is_finite, Value::Float, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | gen_num_method!(is_normal, Value::Float, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 | gen_num_method!(floor, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 | gen_num_method!(ceil, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | ------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 | gen_num_method!(round, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 | gen_num_method!(trunc, Value::Float, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 | gen_num_method!(fract, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 | gen_num_method!(is_sign_positive, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | gen_num_method!(is_sign_negative, Value::Float, Value::Bool);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 | gen_num_method!(recip, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | gen_num_method!(sqrt, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | gen_num_method!(exp, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | gen_num_method!(exp2, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | gen_num_method!(ln, Value::Float);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | gen_num_method!(log2, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | gen_num_method!(log10, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | gen_num_method!(to_degrees, Value::Float);
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | gen_num_method!(to_radians, Value::Float);
[INFO] [stdout]    | ----------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | gen_num_method!(cbrt, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 | gen_num_method!(sin, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     env.set_function("=", stdlib::core::equals);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     env.set_function("+", stdlib::arithmetic::add_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     env.set_function("+.", stdlib::arithmetic::add_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env.set_function("-", stdlib::arithmetic::sub_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |     env.set_function("-.", stdlib::arithmetic::sub_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     env.set_function("*", stdlib::arithmetic::mul_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     env.set_function("*.", stdlib::arithmetic::mul_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     env.set_function("/", stdlib::arithmetic::div_ints);
[INFO] [stdout]    |                           ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     env.set_function("/.", stdlib::arithmetic::div_floats);
[INFO] [stdout]    |                            ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     env.set_uneval_function("quote", stdlib::core::quote);
[INFO] [stdout]    |                                      ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:24:35
[INFO] [stdout]    |
[INFO] [stdout] 24 |     env.set_uneval_function("if", stdlib::core::cond);
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/lambda.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(e("((lambda () 1))"), Value::Int(1));
[INFO] [stdout]    |                                      ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |     env.set_uneval_function("define", stdlib::core::define);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/lambda.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_eq!(e("((lambda (a) (+ a 2)) 3)"), Value::Int(5));
[INFO] [stdout]    |                                               ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/lambda.rs:12:51
[INFO] [stdout]    |
[INFO] [stdout] 12 |     assert_eq!(e("((lambda (a b) (+ a b)) 3 4)"), Value::Int(7));
[INFO] [stdout]    |                                                   ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]   --> tests/util.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     env.set_uneval_function("lambda", stdlib::core::lambda);
[INFO] [stdout]    |                                       ^^^^^^ use of unresolved module or unlinked crate `stdlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stdlib`, use `cargo add stdlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/lambda.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Value::Int(10));
[INFO] [stdout]    |             ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/lambda.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Value::Int(10));
[INFO] [stdout]    |         ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/lambda.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |           (sum 4)"), Value::Int(10))
[INFO] [stdout]    |                      ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 | gen_num_method!(cos, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 | gen_num_method!(tan, Value::Float);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 | gen_num_method!(asin, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | gen_num_method!(acos, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | gen_num_method!(atan, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 | gen_num_method!(exp_m1, Value::Float);
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | gen_num_method!(ln_1p, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 | gen_num_method!(sinh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 | gen_num_method!(cosh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 | gen_num_method!(tanh, Value::Float);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 | gen_num_method!(asinh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | gen_num_method!(acosh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 | gen_num_method!(atanh, Value::Float);
[INFO] [stdout]    | ------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | gen_num_method!(count_ones, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | ----------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | gen_num_method!(count_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | gen_num_method!(leading_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 | gen_num_method!(trailing_zeros, Value::Int, Value::Int, |a| a as i64);
[INFO] [stdout]    | --------------------------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | gen_num_method!(swap_bytes, Value::Int);
[INFO] [stdout]    | --------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 | gen_num_method!(to_be, Value::Int);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 | gen_num_method!(to_le, Value::Int);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 | gen_num_method!(abs, Value::Int);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | gen_num_method!(signum, Value::Int);
[INFO] [stdout]    | ----------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | gen_num_method!(is_positive, Value::Int, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/math.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn $name(it: &mut Iterator<Item=Value>) -> Value {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | gen_num_method!(is_negative, Value::Int, Value::Bool);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `gen_num_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/stdlib/core.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn equals(args: &mut Iterator<Item=Value>) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn equals(args: &mut dyn Iterator<Item=Value>) -> Value {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn lambda(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn lambda(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn define(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn define(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:64:25
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn quote(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn quote(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stdlib/core.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn cond(args: &mut 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn cond(args: &mut dyn Iterator<Item=&Value>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new_free_function(name: String, function: Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value>) -> ForeignFunction {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ares` (test "util") due to 19 previous errors
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eval.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         function: Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value>) -> ForeignFunction
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:166:22
[INFO] [stdout]     |
[INFO] [stdout] 166 |     where F: Fn(&mut Iterator<Item=Value>) -> Value + 'static
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     where F: Fn(&mut dyn Iterator<Item=Value>) -> Value + 'static
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |     where F: Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value + 'static
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 |     where F: Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value + 'static
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/equals.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_eq!( e("(= 1 1)"), Value::Bool(true));
[INFO] [stdout]    |                               ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/equals.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     assert_eq!( e("(= 2 2 2 2)"), Value::Bool(true));
[INFO] [stdout]    |                                   ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/equals.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assert_eq!( e("(= 1 2)"), Value::Bool(false));
[INFO] [stdout]    |                               ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/equals.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 |     assert_eq!( e("(= 1 1 2)"), Value::Bool(false));
[INFO] [stdout]    |                                 ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Environment` in this scope
[INFO] [stdout]  --> tests/util.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn basic_environment<Environment>() -> Rc<RefCell<Environment>> {
[INFO] [stdout]   |                     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Value` in this scope
[INFO] [stdout]   --> tests/util.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn e(program: &str) -> Value {
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Environment`
[INFO] [stdout]  --> tests/util.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut env = Environment::new();
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `Environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ares` (test "lambda") due to 26 previous errors
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]   --> tests/util.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let trees = parse(program);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `parse` on `&str`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let trees = parse(program);
[INFO] [stdout] 32 +     let trees = program.parse();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `eval` in this scope
[INFO] [stdout]   --> tests/util.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         last = Some(eval(&tree, &mut env))
[INFO] [stdout]    |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/cond.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(e("(if (= 1 1) 5 6)"), Value::Int(5));
[INFO] [stdout]    |                                       ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/cond.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_eq!(e("(if (= 1 2) 5 6)"), Value::Int(6));
[INFO] [stdout]    |                                       ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(e("(+)"), Value::Int(0));
[INFO] [stdout]    |                          ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_eq!(e("(+ 1)"), Value::Int(1));
[INFO] [stdout]    |                            ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 |     assert_eq!(e("(+ 1 2)"), Value::Int(3));
[INFO] [stdout]    |                              ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assert_eq!(e("(+ 1 (+ 2 3))"), Value::Int(6));
[INFO] [stdout]    |                                    ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     assert_eq!(e("(- 1)"), Value::Int(-1));
[INFO] [stdout]    |                            ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert_eq!(e("(- 1 2)"), Value::Int(-1));
[INFO] [stdout]    |                              ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_eq!(e("(- 1 (- 2 3))"), Value::Int(2));
[INFO] [stdout]    |                                    ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     assert_eq!(e("(*)"), Value::Int(1));
[INFO] [stdout]    |                          ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     assert_eq!(e("(* 2)"), Value::Int(2));
[INFO] [stdout]    |                            ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     assert_eq!(e("(* 2 2)"), Value::Int(4));
[INFO] [stdout]    |                              ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_eq!(e("(* 2 (* 2 3))"), Value::Int(12));
[INFO] [stdout]    |                                    ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |     assert_eq!(e("(/ 2)"), Value::Int(2));
[INFO] [stdout]    |                            ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 |     assert_eq!(e("(/ 4 2)"), Value::Int(2));
[INFO] [stdout]    |                              ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Value`
[INFO] [stdout]   --> tests/arithmetic.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |     assert_eq!(e("(/ 8 (/ 4 2))"), Value::Int(4));
[INFO] [stdout]    |                                    ^^^^^ use of undeclared type `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:168:23
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<dyn Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut Iterator<Item=Value>) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let boxed: Rc<Fn(&mut dyn Iterator<Item=Value>) -> Value> = Rc::new(f);
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<dyn Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/eval.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let boxed: Rc<Fn(&mut dyn Iterator<Item=&Value>, &Env, fn(&Value, &Env) -> Value) -> Value> = Rc::new(f);
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ares` (test "equals") due to 24 previous errors
[INFO] [stderr] error: could not compile `ares` (test "arithmetic") due to 34 previous errors
[INFO] [stderr] error: could not compile `ares` (test "cond") due to 22 previous errors
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/eval.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stdout]     |                           -----------------------^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: replace this with: `u32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/eval.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stdout]     |                           -----------------------^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: replace this with: `u64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46717d818168b159554fc5959d0d024218144db9ed57852d5337ac3ab2ca46ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46717d818168b159554fc5959d0d024218144db9ed57852d5337ac3ab2ca46ad", kill_on_drop: false }`
[INFO] [stdout] 46717d818168b159554fc5959d0d024218144db9ed57852d5337ac3ab2ca46ad
