[INFO] cloning repository https://github.com/BenWiederhake/practical-floop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenWiederhake/practical-floop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fpractical-floop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fpractical-floop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 953ecdbf4406fc4355e4d0c8ce4646053a0a4702
[INFO] linting BenWiederhake/practical-floop against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenWiederhake%2Fpractical-floop" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BenWiederhake/practical-floop
[INFO] finished tweaking git repo https://github.com/BenWiederhake/practical-floop
[INFO] tweaked toml for git repo https://github.com/BenWiederhake/practical-floop written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenWiederhake/practical-floop on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BenWiederhake/practical-floop 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9c86b40e0ab7d57ef2f1cbb835daab6efc9034e5681dbd1e5b2933f6c5ce9fc
[INFO] running `Command { std: "docker" "start" "-a" "c9c86b40e0ab7d57ef2f1cbb835daab6efc9034e5681dbd1e5b2933f6c5ce9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9c86b40e0ab7d57ef2f1cbb835daab6efc9034e5681dbd1e5b2933f6c5ce9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c86b40e0ab7d57ef2f1cbb835daab6efc9034e5681dbd1e5b2933f6c5ce9fc", kill_on_drop: false }`
[INFO] [stdout] c9c86b40e0ab7d57ef2f1cbb835daab6efc9034e5681dbd1e5b2933f6c5ce9fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267e5fe8f06db0a71873ba4bdcfd1f05b0cf2dc8224327754ae4f296bfd0e928
[INFO] running `Command { std: "docker" "start" "-a" "267e5fe8f06db0a71873ba4bdcfd1f05b0cf2dc8224327754ae4f296bfd0e928", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking practical-floop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parse.rs:711:23
[INFO] [stdout]     |
[INFO] [stdout] 711 |                 Some(&(Token::End /*| Token::Else*/)) => {
[INFO] [stdout]     |                       ^          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 711 -                 Some(&(Token::End /*| Token::Else*/)) => {
[INFO] [stdout] 711 +                 Some(&Token::End ) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_error_matching, or_patterns)]
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_error_matching` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_error_matching, or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parse.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |               Join => vec![
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 326 | |                 unimplemented!(),
[INFO] [stdout]     | |                 ---------------- any code following this expression is unreachable
[INFO] [stdout] 327 | |             ],
[INFO] [stdout]     | |_____________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout]    |         ^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Empty => "empty specifier".into(),
[INFO] [stdout]    |         ----- matches some of the same values
[INFO] [stdout] 13 |         InvalidDigit => format!("not a digit ({})", e),
[INFO] [stdout]    |         ------------ matches some of the same values
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         -------- matches some of the same values
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[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/token.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout] 16 |         Zero => unreachable!(),
[INFO] [stdout]    |         ^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         _ => format!("unknown (BUG) ({})", e), // unfixable
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Empty => "empty specifier".into(),
[INFO] [stdout]    |         ----- matches some of the same values
[INFO] [stdout] 13 |         InvalidDigit => format!("not a digit ({})", e),
[INFO] [stdout]    |         ------------ matches some of the same values
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 17 |         _ => format!("unknown (BUG) ({})", e), // unfixable
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Overflow`
[INFO] [stdout]   --> src/token.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Underflow`
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Underflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]   --> src/exec.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &**self.0
[INFO] [stdout]    |         ^^^^^^^^^ help: try: `&self.0`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout]    = note: `#[warn(clippy::explicit_auto_deref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:163:32
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     conf.state[&dst] += outer_amount * amount;
[INFO] [stdout]     |                                ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:168:51
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     conf.state[&dst] = conf.state[&src].clone() + amount;
[INFO] [stdout]     |                                                   ^^^^ help: change this to: `src`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:168:32
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     conf.state[&dst] = conf.state[&src].clone() + amount;
[INFO] [stdout]     |                                ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:175:51
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let dst_var = &mut conf.state[&dst];
[INFO] [stdout]     |                                                   ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:187:51
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     conf.state[&dst] = conf.state[&src].clone() - amount;
[INFO] [stdout]     |                                                   ^^^^ help: change this to: `src`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:187:32
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     conf.state[&dst] = conf.state[&src].clone() - amount;
[INFO] [stdout]     |                                ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 | /                 write!(f, "{}add 0x{:X} to {} into {}\n",
[INFO] [stdout] 338 | |                     levelindent, amount, src, dst)
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 337 -                 write!(f, "{}add 0x{:X} to {} into {}\n",
[INFO] [stdout] 337 +                 writeln!(f, "{}add 0x{:X} to {} into {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 | /                 write!(f, "{}subtract 0x{:X} from {} into {}\n",
[INFO] [stdout] 342 | |                     levelindent, amount, src, dst)
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 341 -                 write!(f, "{}subtract 0x{:X} from {} into {}\n",
[INFO] [stdout] 341 +                 writeln!(f, "{}subtract 0x{:X} from {} into {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 | /                 write!(f, "{}loop {} do\n",
[INFO] [stdout] 346 | |                     levelindent, var)?;
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 345 -                 write!(f, "{}loop {} do\n",
[INFO] [stdout] 345 +                 writeln!(f, "{}loop {} do",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 write!(f, "{}end\n", levelindent)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 348 -                 write!(f, "{}end\n", levelindent)
[INFO] [stdout] 348 +                 writeln!(f, "{}end", levelindent)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 | /                 write!(f, "{}do 0x{:X} times\n",
[INFO] [stdout] 352 | |                     levelindent, amount)?;
[INFO] [stdout]     | |________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 351 -                 write!(f, "{}do 0x{:X} times\n",
[INFO] [stdout] 351 +                 writeln!(f, "{}do 0x{:X} times",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 write!(f, "{}end\n", levelindent)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 354 -                 write!(f, "{}end\n", levelindent)
[INFO] [stdout] 354 +                 writeln!(f, "{}end", levelindent)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 | /                 write!(f, "{}while {} times\n",
[INFO] [stdout] 358 | |                     levelindent, var)?;
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 357 -                 write!(f, "{}while {} times\n",
[INFO] [stdout] 357 +                 writeln!(f, "{}while {} times",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 write!(f, "{}end\n", levelindent)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 360 -                 write!(f, "{}end\n", levelindent)
[INFO] [stdout] 360 +                 writeln!(f, "{}end", levelindent)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |         write!(f, "    state: {:?}\n", self.state)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 369 -         write!(f, "    state: {:?}\n", self.state)?;
[INFO] [stdout] 369 +         writeln!(f, "    state: {:?}", self.state)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |         write!(f, "    stack: [\n")?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 370 -         write!(f, "    stack: [\n")?;
[INFO] [stdout] 370 +         writeln!(f, "    stack: [")?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             write!(f, "    ,\n")?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 373 -             write!(f, "    ,\n")?;
[INFO] [stdout] 373 +             writeln!(f, "    ,")?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         write!(f, "    ]\n")?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 375 -         write!(f, "    ]\n")?;
[INFO] [stdout] 375 +         writeln!(f, "    ]")?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/parse.rs:711:23
[INFO] [stdout]     |
[INFO] [stdout] 711 |                 Some(&(Token::End /*| Token::Else*/)) => {
[INFO] [stdout]     |                       ^          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 711 -                 Some(&(Token::End /*| Token::Else*/)) => {
[INFO] [stdout] 711 +                 Some(&Token::End ) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/parse.rs:365:70
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 into.append(&mut op.gen_code(&lhs_ident, &rhs_ident, &dst));
[INFO] [stdout]     |                                                                      ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]    --> src/parse.rs:391:82
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let head_incomplete = ParseIdent::Dynamic(DynamicIdent::CalcIntermediate(stack_depth + 0));
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^ help: consider reducing it to: `stack_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]     = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/parse.rs:411:47
[INFO] [stdout]     |
[INFO] [stdout] 411 |                         DivMod::Take.gen_code(&tail, &tmp, &head_incomplete)
[INFO] [stdout]     |                                               ^^^^^ help: change this to: `tail`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:36:44
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     self.reserve_if_static(&b);
[INFO] [stdout]    |                                            ^^ help: change this to: `b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:40:44
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:41:44
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     self.reserve_if_static(&b);
[INFO] [stdout]    |                                            ^^ help: change this to: `b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:44:44
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:51:44
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Overflow` should have a snake case name
[INFO] [stdout]   --> src/token.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `overflow`
[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 `Underflow` should have a snake case name
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `underflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_error_matching, or_patterns)]
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_error_matching` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_error_matching, or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parse.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |               Join => vec![
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 326 | |                 unimplemented!(),
[INFO] [stdout]     | |                 ---------------- any code following this expression is unreachable
[INFO] [stdout] 327 | |             ],
[INFO] [stdout]     | |_____________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout]    |         ^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Empty => "empty specifier".into(),
[INFO] [stdout]    |         ----- matches some of the same values
[INFO] [stdout] 13 |         InvalidDigit => format!("not a digit ({})", e),
[INFO] [stdout]    |         ------------ matches some of the same values
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         -------- matches some of the same values
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[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/token.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout] 16 |         Zero => unreachable!(),
[INFO] [stdout]    |         ^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         _ => format!("unknown (BUG) ({})", e), // unfixable
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Empty => "empty specifier".into(),
[INFO] [stdout]    |         ----- matches some of the same values
[INFO] [stdout] 13 |         InvalidDigit => format!("not a digit ({})", e),
[INFO] [stdout]    |         ------------ matches some of the same values
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         -------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 17 |         _ => format!("unknown (BUG) ({})", e), // unfixable
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Overflow`
[INFO] [stdout]   --> src/token.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Underflow`
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Underflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]   --> src/exec.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &**self.0
[INFO] [stdout]    |         ^^^^^^^^^ help: try: `&self.0`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout]    = note: `#[warn(clippy::explicit_auto_deref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:163:32
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     conf.state[&dst] += outer_amount * amount;
[INFO] [stdout]     |                                ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:168:51
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     conf.state[&dst] = conf.state[&src].clone() + amount;
[INFO] [stdout]     |                                                   ^^^^ help: change this to: `src`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:168:32
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     conf.state[&dst] = conf.state[&src].clone() + amount;
[INFO] [stdout]     |                                ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:175:51
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let dst_var = &mut conf.state[&dst];
[INFO] [stdout]     |                                                   ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:187:51
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     conf.state[&dst] = conf.state[&src].clone() - amount;
[INFO] [stdout]     |                                                   ^^^^ help: change this to: `src`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/exec.rs:187:32
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     conf.state[&dst] = conf.state[&src].clone() - amount;
[INFO] [stdout]     |                                ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:337:17
[INFO] [stdout]     |
[INFO] [stdout] 337 | /                 write!(f, "{}add 0x{:X} to {} into {}\n",
[INFO] [stdout] 338 | |                     levelindent, amount, src, dst)
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 337 -                 write!(f, "{}add 0x{:X} to {} into {}\n",
[INFO] [stdout] 337 +                 writeln!(f, "{}add 0x{:X} to {} into {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 | /                 write!(f, "{}subtract 0x{:X} from {} into {}\n",
[INFO] [stdout] 342 | |                     levelindent, amount, src, dst)
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 341 -                 write!(f, "{}subtract 0x{:X} from {} into {}\n",
[INFO] [stdout] 341 +                 writeln!(f, "{}subtract 0x{:X} from {} into {}",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 | /                 write!(f, "{}loop {} do\n",
[INFO] [stdout] 346 | |                     levelindent, var)?;
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 345 -                 write!(f, "{}loop {} do\n",
[INFO] [stdout] 345 +                 writeln!(f, "{}loop {} do",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 write!(f, "{}end\n", levelindent)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 348 -                 write!(f, "{}end\n", levelindent)
[INFO] [stdout] 348 +                 writeln!(f, "{}end", levelindent)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 | /                 write!(f, "{}do 0x{:X} times\n",
[INFO] [stdout] 352 | |                     levelindent, amount)?;
[INFO] [stdout]     | |________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 351 -                 write!(f, "{}do 0x{:X} times\n",
[INFO] [stdout] 351 +                 writeln!(f, "{}do 0x{:X} times",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 write!(f, "{}end\n", levelindent)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 354 -                 write!(f, "{}end\n", levelindent)
[INFO] [stdout] 354 +                 writeln!(f, "{}end", levelindent)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 | /                 write!(f, "{}while {} times\n",
[INFO] [stdout] 358 | |                     levelindent, var)?;
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 357 -                 write!(f, "{}while {} times\n",
[INFO] [stdout] 357 +                 writeln!(f, "{}while {} times",
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:360:17
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 write!(f, "{}end\n", levelindent)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 360 -                 write!(f, "{}end\n", levelindent)
[INFO] [stdout] 360 +                 writeln!(f, "{}end", levelindent)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |         write!(f, "    state: {:?}\n", self.state)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 369 -         write!(f, "    state: {:?}\n", self.state)?;
[INFO] [stdout] 369 +         writeln!(f, "    state: {:?}", self.state)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |         write!(f, "    stack: [\n")?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 370 -         write!(f, "    stack: [\n")?;
[INFO] [stdout] 370 +         writeln!(f, "    stack: [")?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             write!(f, "    ,\n")?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 373 -             write!(f, "    ,\n")?;
[INFO] [stdout] 373 +             writeln!(f, "    ,")?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/exec.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         write!(f, "    ]\n")?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 375 -         write!(f, "    ]\n")?;
[INFO] [stdout] 375 +         writeln!(f, "    ]")?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/parse.rs:365:70
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 into.append(&mut op.gen_code(&lhs_ident, &rhs_ident, &dst));
[INFO] [stdout]     |                                                                      ^^^^ help: change this to: `dst`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]    --> src/parse.rs:391:82
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let head_incomplete = ParseIdent::Dynamic(DynamicIdent::CalcIntermediate(stack_depth + 0));
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^ help: consider reducing it to: `stack_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]     = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/parse.rs:411:47
[INFO] [stdout]     |
[INFO] [stdout] 411 |                         DivMod::Take.gen_code(&tail, &tmp, &head_incomplete)
[INFO] [stdout]     |                                               ^^^^^ help: change this to: `tail`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/parse.rs:733:41
[INFO] [stdout]     |
[INFO] [stdout] 733 |         Parser::new(vec.into_iter().map(|t| Ok(t)).peekable()).parse_calc_expression()
[INFO] [stdout]     |                                         ^^^^^^^^^ help: replace the closure with the tuple variant itself: `Ok`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]     = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/parse.rs:830:55
[INFO] [stdout]     |
[INFO] [stdout] 830 |         ParseBlock::try_from_iter(vec.into_iter().map(|t| Ok(t)))
[INFO] [stdout]     |                                                       ^^^^^^^^^ help: replace the closure with the tuple variant itself: `Ok`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:36:44
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     self.reserve_if_static(&b);
[INFO] [stdout]    |                                            ^^ help: change this to: `b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:40:44
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:41:44
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     self.reserve_if_static(&b);
[INFO] [stdout]    |                                            ^^ help: change this to: `b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:44:44
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/resolve.rs:51:44
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.reserve_if_static(&a);
[INFO] [stdout]    |                                            ^^ help: change this to: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/token.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         assert!(!parse_natural("x10").is_err());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `parse_natural("x10").is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/token.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |         assert!(!parse_natural("x10000000000000000").is_err());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `parse_natural("x10000000000000000").is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/token.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |         assert!(!parse_natural("x100000000000000000000000000000000").is_err());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `parse_natural("x100000000000000000000000000000000").is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/token.rs:346:58
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let mut tokenizer = Tokenizer::new(s.chars().map(|c| Ok(c)));
[INFO] [stdout]     |                                                          ^^^^^^^^^ help: replace the closure with the tuple variant itself: `Ok`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s
[INFO] [stdout] warning: variable `Overflow` should have a snake case name
[INFO] [stdout]   --> src/token.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Overflow => format!("cannot handle large naturals yet (BUG) ({})", e),
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `overflow`
[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 `Underflow` should have a snake case name
[INFO] [stdout]   --> src/token.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Underflow => format!("must be non-negative ({})", e),
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `underflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "267e5fe8f06db0a71873ba4bdcfd1f05b0cf2dc8224327754ae4f296bfd0e928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267e5fe8f06db0a71873ba4bdcfd1f05b0cf2dc8224327754ae4f296bfd0e928", kill_on_drop: false }`
[INFO] [stdout] 267e5fe8f06db0a71873ba4bdcfd1f05b0cf2dc8224327754ae4f296bfd0e928