[INFO] cloning repository https://github.com/aegonzalez2432/Mlisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aegonzalez2432/Mlisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegonzalez2432%2FMlisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegonzalez2432%2FMlisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d44a5428e2e13e65b727955e0174d3bf9ad92367
[INFO] checking aegonzalez2432/Mlisp against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faegonzalez2432%2FMlisp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aegonzalez2432/Mlisp
[INFO] finished tweaking git repo https://github.com/aegonzalez2432/Mlisp
[INFO] tweaked toml for git repo https://github.com/aegonzalez2432/Mlisp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aegonzalez2432/Mlisp on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aegonzalez2432/Mlisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb1687987ebe9fe9b8b08e477c0971127277253a44841f781a23e31bb282d988
[INFO] running `Command { std: "docker" "start" "-a" "bb1687987ebe9fe9b8b08e477c0971127277253a44841f781a23e31bb282d988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1687987ebe9fe9b8b08e477c0971127277253a44841f781a23e31bb282d988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1687987ebe9fe9b8b08e477c0971127277253a44841f781a23e31bb282d988", kill_on_drop: false }`
[INFO] [stdout] bb1687987ebe9fe9b8b08e477c0971127277253a44841f781a23e31bb282d988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90c151ba18f0475ea2cf357369b892f9afcfe3c465253922f629b8ebfbe62eaa
[INFO] running `Command { std: "docker" "start" "-a" "90c151ba18f0475ea2cf357369b892f9afcfe3c465253922f629b8ebfbe62eaa", kill_on_drop: false }`
[INFO] [stderr]     Checking mlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `firstElement`
[INFO] [stdout]    --> src/eval.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let firstElement = true;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_firstElement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => EvalResult::Err("Failed to eval expr".into()),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |             EvalResult::Err(e) => EvalResult::Err(format!("Failed to eval expr: {:?}", e)),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 286 |             _ => match &*vals.clone() {
[INFO] [stdout]     |             - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 305 |             _ => EvalResult::Err("Failed to eval expr".into()),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/eval.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let val = vals[1..].iter().for_each(|x| {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/eval.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let val = vals[1..].iter().for_each(|x| {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             EvalResult::Expr(exp) => Ok(exp),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] 351 |             EvalResult::Unit => Err(format!("Failed to eval, got Unit" )),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 352 |             EvalResult::Err(e) => Err(format!("Failed to eval expr: {:?}", e)),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 353 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             EvalResult::Expr(exp) => Ok(exp),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] 370 |             EvalResult::Unit => Err(format!("Failed to eval, got Unit" )),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 371 |             EvalResult::Err(e) => Err(format!("Failed to eval expr: {:?}", e)),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 372 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `firstElement`
[INFO] [stdout]    --> src/eval.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let firstElement = true;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_firstElement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/eval.rs:381:32
[INFO] [stdout]     |
[INFO] [stdout] 381 | fn bool_and(vals: &[Rc<Expr>], env: &mut Environment) -> EvalResult {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/eval.rs:387:31
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn bool_or(vals: &[Rc<Expr>], env: &mut Environment) -> EvalResult {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |             _ => EvalResult::Err("Failed to eval expr".into()),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |             EvalResult::Err(e) => EvalResult::Err(format!("Failed to eval expr: {:?}", e)),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 286 |             _ => match &*vals.clone() {
[INFO] [stdout]     |             - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 305 |             _ => EvalResult::Err("Failed to eval expr".into()),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             _ => ParseResult::Failure(ParseError::BadParse(format!("Unknown token: {:?}", *x))),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Token::LPar => {
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 48 |             Token::RPar => {
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 51 |             Token::Literal(s) => {
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 58 |             _ => ParseResult::Failure(ParseError::BadParse(format!("Unknown token: {:?}", *x))),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/eval.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let val = vals[1..].iter().for_each(|x| {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/eval.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let val = vals[1..].iter().for_each(|x| {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             EvalResult::Expr(exp) => Ok(exp),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] 351 |             EvalResult::Unit => Err(format!("Failed to eval, got Unit" )),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 352 |             EvalResult::Err(e) => Err(format!("Failed to eval expr: {:?}", e)),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 353 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/eval.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/eval.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             EvalResult::Expr(exp) => Ok(exp),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] 370 |             EvalResult::Unit => Err(format!("Failed to eval, got Unit" )),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 371 |             EvalResult::Err(e) => Err(format!("Failed to eval expr: {:?}", e)),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 372 |             _ => Err("No idea whats wrong".into()),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/eval.rs:381:32
[INFO] [stdout]     |
[INFO] [stdout] 381 | fn bool_and(vals: &[Rc<Expr>], env: &mut Environment) -> EvalResult {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/eval.rs:387:31
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn bool_or(vals: &[Rc<Expr>], env: &mut Environment) -> EvalResult {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `firstElement` should have a snake case name
[INFO] [stdout]    --> src/eval.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let firstElement = true;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `first_element`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hasFalse` should have a snake case name
[INFO] [stdout]    --> src/eval.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let mut hasFalse = false;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `has_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hasFalse` should have a snake case name
[INFO] [stdout]    --> src/eval.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut hasFalse: bool  = false;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `has_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parse.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             _ => ParseResult::Failure(ParseError::BadParse(format!("Unknown token: {:?}", *x))),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/parse.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Token::LPar => {
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 48 |             Token::RPar => {
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 51 |             Token::Literal(s) => {
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 58 |             _ => ParseResult::Failure(ParseError::BadParse(format!("Unknown token: {:?}", *x))),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `firstElement` should have a snake case name
[INFO] [stdout]    --> src/eval.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let firstElement = true;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `first_element`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hasFalse` should have a snake case name
[INFO] [stdout]    --> src/eval.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let mut hasFalse = false;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `has_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hasFalse` should have a snake case name
[INFO] [stdout]    --> src/eval.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let mut hasFalse: bool  = false;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `has_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/eval.rs:470:30
[INFO] [stdout]     |
[INFO] [stdout] 470 |         assert!( r.is_err(), format!("Expected add_var to fail, but it succeeded: {:?}", r) );
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 470 -         assert!( r.is_err(), format!("Expected add_var to fail, but it succeeded: {:?}", r) );
[INFO] [stdout] 470 +         assert!( r.is_err(), "Expected add_var to fail, but it succeeded: {:?}", r );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/eval.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         env.add_var("a", Expr::fnum(1.0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let _ = env.add_var("a", Expr::fnum(1.0));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/eval.rs:491:48
[INFO] [stdout]     |
[INFO] [stdout] 491 |         env.lookup("a").map(|x| assert!(false, format!("Expected Err, got {:?}", x)));
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 491 -         env.lookup("a").map(|x| assert!(false, format!("Expected Err, got {:?}", x)));
[INFO] [stdout] 491 +         env.lookup("a").map(|x| assert!(false, "Expected Err, got {:?}", x));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 assert!(false, format!("expected fnum, got {:?}", *expr));
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 79 -                 assert!(false, format!("expected fnum, got {:?}", *expr));
[INFO] [stdout] 79 +                 assert!(false, "expected fnum, got {:?}", *expr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |             assert!(false, format!("Expected success, failed with: {:?}", res));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 82 -             assert!(false, format!("Expected success, failed with: {:?}", res));
[INFO] [stdout] 82 +             assert!(false, "Expected success, failed with: {:?}", res);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse.rs:94:32
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 assert!(false, format!("expected fnum, got {:?}", *expr));
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 94 -                 assert!(false, format!("expected fnum, got {:?}", *expr));
[INFO] [stdout] 94 +                 assert!(false, "expected fnum, got {:?}", *expr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parse.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |             assert!(false, format!("Expected success, failed with: {:?}", res));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 97 -             assert!(false, format!("Expected success, failed with: {:?}", res));
[INFO] [stdout] 97 +             assert!(false, "Expected success, failed with: {:?}", res);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |             assert!(false, format!("Expected success, failed with {:?}", res));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 120 -             assert!(false, format!("Expected success, failed with {:?}", res));
[INFO] [stdout] 120 +             assert!(false, "Expected success, failed with {:?}", res);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse.rs:142:28
[INFO] [stdout]     |
[INFO] [stdout] 142 |             assert!(false, format!("Expected Success, failed with {:?}", res))
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 142 -             assert!(false, format!("Expected Success, failed with {:?}", res))
[INFO] [stdout] 142 +             assert!(false, "Expected Success, failed with {:?}", res)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |             assert!(false, format!("Expected Success, got {:?}", res)); 
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 175 -             assert!(false, format!("Expected Success, got {:?}", res)); 
[INFO] [stdout] 175 +             assert!(false, "Expected Success, got {:?}", res); 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/lex_tests.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 8 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/lex_tests.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 19 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 19 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/lex_tests.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 30 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 30 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/lex_tests.rs:80:34
[INFO] [stdout]    |
[INFO] [stdout] 80 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 80 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 80 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/parse_tests.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 10 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 10 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/parse_tests.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 18 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 18 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/parse_tests.rs:35:34
[INFO] [stdout]    |
[INFO] [stdout] 35 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 35 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 35 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/parse_tests.rs:53:34
[INFO] [stdout]    |
[INFO] [stdout] 53 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 53 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 53 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/parse_tests.rs:83:34
[INFO] [stdout]    |
[INFO] [stdout] 83 |             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 83 -             |err| assert!(false, format!("{:?}", err)),
[INFO] [stdout] 83 +             |err| assert!(false, "{:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/eval_tests.rs:443:32
[INFO] [stdout]     |
[INFO] [stdout] 443 |                 assert!(false, format!("Expected FNum(6.0), got {:?}", e));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 443 -                 assert!(false, format!("Expected FNum(6.0), got {:?}", e));
[INFO] [stdout] 443 +                 assert!(false, "Expected FNum(6.0), got {:?}", e);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/eval_tests.rs:446:28
[INFO] [stdout]     |
[INFO] [stdout] 446 |             assert!(false, format!("Expected Expr::fnum(6.0), got {:?}", r2));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 446 -             assert!(false, format!("Expected Expr::fnum(6.0), got {:?}", r2));
[INFO] [stdout] 446 +             assert!(false, "Expected Expr::fnum(6.0), got {:?}", r2);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/eval_tests.rs:522:32
[INFO] [stdout]     |
[INFO] [stdout] 522 |             |e| assert!(false, format!("got error {}", e)),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 522 -             |e| assert!(false, format!("got error {}", e)),
[INFO] [stdout] 522 +             |e| assert!(false, "got error {}", e),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/eval_tests.rs:532:41
[INFO] [stdout]     |
[INFO] [stdout] 532 |             .map_err(|e| assert!(false, format!("got error {}", e)));
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 532 -             .map_err(|e| assert!(false, format!("got error {}", e)));
[INFO] [stdout] 532 +             .map_err(|e| assert!(false, "got error {}", e));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/eval_tests.rs:574:13
[INFO] [stdout]     |
[INFO] [stdout] 574 |             format!("Expected add_var to fail, but it succeeded: {:?}", r)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 574 -             format!("Expected add_var to fail, but it succeeded: {:?}", r)
[INFO] [stdout] 574 +             "Expected add_var to fail, but it succeeded: {:?}", r
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/eval_tests.rs:673:37
[INFO] [stdout]     |
[INFO] [stdout] 673 |             .map(|x| assert!(false, format!("Expected Err, got {:?}", x)));
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` 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 `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 673 -             .map(|x| assert!(false, format!("Expected Err, got {:?}", x)));
[INFO] [stdout] 673 +             .map(|x| assert!(false, "Expected Err, got {:?}", x));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "90c151ba18f0475ea2cf357369b892f9afcfe3c465253922f629b8ebfbe62eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c151ba18f0475ea2cf357369b892f9afcfe3c465253922f629b8ebfbe62eaa", kill_on_drop: false }`
[INFO] [stdout] 90c151ba18f0475ea2cf357369b892f9afcfe3c465253922f629b8ebfbe62eaa
