[INFO] fetching crate ripin 0.1.2...
[INFO] checking ripin-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ripin 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ripin 0.1.2
[INFO] finished tweaking crates.io crate ripin 0.1.2
[INFO] tweaked toml for crates.io crate ripin 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ripin 0.1.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 462d698d4dd97ab624adbea12653ea2819bef26a618f0ef25c666caa92e146ba
[INFO] running `Command { std: "docker" "start" "-a" "462d698d4dd97ab624adbea12653ea2819bef26a618f0ef25c666caa92e146ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462d698d4dd97ab624adbea12653ea2819bef26a618f0ef25c666caa92e146ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462d698d4dd97ab624adbea12653ea2819bef26a618f0ef25c666caa92e146ba", kill_on_drop: false }`
[INFO] [stdout] 462d698d4dd97ab624adbea12653ea2819bef26a618f0ef25c666caa92e146ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 922bfd5608c054eebcf048a6a524ac56b09772fcb6e513a2f05cd5c1843ea507
[INFO] running `Command { std: "docker" "start" "-a" "922bfd5608c054eebcf048a6a524ac56b09772fcb6e513a2f05cd5c1843ea507", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking ripin v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/convert_ref.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn try_from_ref(&T) -> Result<Self, Self::Err>;
[INFO] [stdout]   |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/convert_ref.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn try_from_ref(&T) -> Result<Self, Self::Err>;
[INFO] [stdout]   |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/evaluate/float.rs:201:25
[INFO] [stdout]     |
[INFO] [stdout] 201 |             _ => panic!(res),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/ripin-2c946c70638e1b0c.long-type-241806586299588427.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<Expression<f32, DummyVariable, FloatEvaluator<f32>>, ...>`
[INFO] [stdout]     |
[INFO] [stdout] 201 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 201 -             _ => panic!(res),
[INFO] [stdout] 201 +             _ => std::panic::panic_any(res),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/evaluate/float.rs:212:25
[INFO] [stdout]     |
[INFO] [stdout] 212 |             _ => panic!(res),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/ripin-2c946c70638e1b0c.long-type-241806586299588427.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<Expression<f32, DummyVariable, FloatEvaluator<f32>>, ...>`
[INFO] [stdout]     |
[INFO] [stdout] 212 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 212 -             _ => panic!(res),
[INFO] [stdout] 212 +             _ => std::panic::panic_any(res),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/evaluate/float.rs:223:25
[INFO] [stdout]     |
[INFO] [stdout] 223 |             _ => panic!(res),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/ripin-2c946c70638e1b0c.long-type-241806586299588427.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<Expression<f32, DummyVariable, FloatEvaluator<f32>>, ...>`
[INFO] [stdout]     |
[INFO] [stdout] 223 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 223 -             _ => panic!(res),
[INFO] [stdout] 223 +             _ => std::panic::panic_any(res),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:232:20
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert_eq!(expr.evaluate(), Ok(7.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:232:37
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert_eq!(expr.evaluate(), Ok(7.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert_eq!(expr.evaluate(), Ok(7.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert_eq!(expr.evaluate(), Ok(7.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert_eq!(expr.evaluate(), Ok(7.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         assert_eq!(expr.evaluate(), Ok(7.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:240:20
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:240:37
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:248:20
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(expr.evaluate(), Ok(12.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:248:37
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(expr.evaluate(), Ok(12.0));
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(expr.evaluate(), Ok(12.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(expr.evaluate(), Ok(12.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(expr.evaluate(), Ok(12.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(expr.evaluate(), Ok(12.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:256:20
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:256:37
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:265:20
[INFO] [stdout]     |
[INFO] [stdout] 265 |         assert_eq!(expr.evaluate(), Ok(f32::INFINITY));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:265:37
[INFO] [stdout]     |
[INFO] [stdout] 265 |         assert_eq!(expr.evaluate(), Ok(f32::INFINITY));
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         assert_eq!(expr.evaluate(), Ok(f32::INFINITY));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         assert_eq!(expr.evaluate(), Ok(f32::INFINITY));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         assert_eq!(expr.evaluate(), Ok(f32::INFINITY));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         assert_eq!(expr.evaluate(), Ok(f32::INFINITY));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |         assert!(expr.evaluate().unwrap().is_nan());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:281:37
[INFO] [stdout]     |
[INFO] [stdout] 281 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:289:20
[INFO] [stdout]     |
[INFO] [stdout] 289 |         assert_eq!(expr.evaluate(), Ok(-9.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:289:37
[INFO] [stdout]     |
[INFO] [stdout] 289 |         assert_eq!(expr.evaluate(), Ok(-9.0));
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         assert_eq!(expr.evaluate(), Ok(-9.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         assert_eq!(expr.evaluate(), Ok(-9.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         assert_eq!(expr.evaluate(), Ok(-9.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         assert_eq!(expr.evaluate(), Ok(-9.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:297:20
[INFO] [stdout]     |
[INFO] [stdout] 297 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:297:37
[INFO] [stdout]     |
[INFO] [stdout] 297 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:305:20
[INFO] [stdout]     |
[INFO] [stdout] 305 |         assert_eq!(expr.evaluate(), Ok(81.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:305:37
[INFO] [stdout]     |
[INFO] [stdout] 305 |         assert_eq!(expr.evaluate(), Ok(81.0));
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         assert_eq!(expr.evaluate(), Ok(81.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         assert_eq!(expr.evaluate(), Ok(81.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         assert_eq!(expr.evaluate(), Ok(81.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         assert_eq!(expr.evaluate(), Ok(81.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:313:20
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:321:20
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:321:37
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:329:20
[INFO] [stdout]     |
[INFO] [stdout] 329 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:329:37
[INFO] [stdout]     |
[INFO] [stdout] 329 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         assert_eq!(expr.evaluate(), Ok(2.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:337:20
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:337:37
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         assert_eq!(expr.evaluate(), Ok(0.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:345:20
[INFO] [stdout]     |
[INFO] [stdout] 345 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:345:37
[INFO] [stdout]     |
[INFO] [stdout] 345 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         assert_eq!(expr.evaluate(), Ok(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:353:20
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:353:37
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f32, FloatEvaluateErr>
[INFO] [stdout]    --> src/evaluate/float.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(expr.evaluate(), Ok(3.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/evaluate/integer.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 |             _ => panic!(res),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/ripin-2c946c70638e1b0c.long-type-15159764240729932387.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<Expression<i32, DummyVariable, IntEvaluator<i32>>, ...>`
[INFO] [stdout]     |
[INFO] [stdout] 186 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 186 -             _ => panic!(res),
[INFO] [stdout] 186 +             _ => std::panic::panic_any(res),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/evaluate/integer.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |             _ => panic!(res),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/ripin-2c946c70638e1b0c.long-type-15159764240729932387.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<Expression<i32, DummyVariable, IntEvaluator<i32>>, ...>`
[INFO] [stdout]     |
[INFO] [stdout] 197 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 197 -             _ => panic!(res),
[INFO] [stdout] 197 +             _ => std::panic::panic_any(res),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/evaluate/integer.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |             _ => panic!(res),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/ripin-2c946c70638e1b0c.long-type-15159764240729932387.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `Result<Expression<i32, DummyVariable, IntEvaluator<i32>>, ...>`
[INFO] [stdout]     |
[INFO] [stdout] 208 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 208 -             _ => panic!(res),
[INFO] [stdout] 208 +             _ => std::panic::panic_any(res),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ripin` (lib test) due to 91 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "922bfd5608c054eebcf048a6a524ac56b09772fcb6e513a2f05cd5c1843ea507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922bfd5608c054eebcf048a6a524ac56b09772fcb6e513a2f05cd5c1843ea507", kill_on_drop: false }`
[INFO] [stdout] 922bfd5608c054eebcf048a6a524ac56b09772fcb6e513a2f05cd5c1843ea507