[INFO] cloning repository https://github.com/jayden-chan/boolean-evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayden-chan/boolean-evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayden-chan%2Fboolean-evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayden-chan%2Fboolean-evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06b7c923e35cbdbe5d15334c71623e678a63e9f6
[INFO] linting jayden-chan/boolean-evaluator against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayden-chan%2Fboolean-evaluator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jayden-chan/boolean-evaluator
[INFO] finished tweaking git repo https://github.com/jayden-chan/boolean-evaluator
[INFO] tweaked toml for git repo https://github.com/jayden-chan/boolean-evaluator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jayden-chan/boolean-evaluator 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/jayden-chan/boolean-evaluator 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 583bb16f7838b2ebd4f4dea0c9d2be281b73ec578554fb7c6a98fa853cb69f2e
[INFO] running `Command { std: "docker" "start" "-a" "583bb16f7838b2ebd4f4dea0c9d2be281b73ec578554fb7c6a98fa853cb69f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "583bb16f7838b2ebd4f4dea0c9d2be281b73ec578554fb7c6a98fa853cb69f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583bb16f7838b2ebd4f4dea0c9d2be281b73ec578554fb7c6a98fa853cb69f2e", kill_on_drop: false }`
[INFO] [stdout] 583bb16f7838b2ebd4f4dea0c9d2be281b73ec578554fb7c6a98fa853cb69f2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 422fcc24099dfb4fee6d535ac660b3c74fc769d1f5007e1c5875af05b5da2e8c
[INFO] running `Command { std: "docker" "start" "-a" "422fcc24099dfb4fee6d535ac660b3c74fc769d1f5007e1c5875af05b5da2e8c", kill_on_drop: false }`
[INFO] [stderr]     Checking boolean-evaluator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]  --> src/evaluator.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn evaluate_postfix<'a>(
[INFO] [stdout]   |                         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/evaluator.rs:48:74
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     Token::LogicalImp => operand_stack.push(Token::Value(!(left_value && !right_value))),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!left_value || right_value`
[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: useless use of `format!`
[INFO] [stdout]   --> src/evaluator.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 | ...                   _ => return Err(format!("Multiple variables undefined"))
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Multiple variables undefined".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/parser.rs:43:67
[INFO] [stdout]    |
[INFO] [stdout] 43 |                       if curr_char != "~" && *t == Token::OpenParen {
[INFO] [stdout]    |  ___________________________________________________________________^
[INFO] [stdout] 44 | |                         break;
[INFO] [stdout] 45 | |                     } else if curr_char == "~" && *t != Token::LogicalNot {
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/parser.rs:45:75
[INFO] [stdout]    |
[INFO] [stdout] 45 |                       } else if curr_char == "~" && *t != Token::LogicalNot {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 46 | |                         break;
[INFO] [stdout] 47 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]    = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `filter_map()` will run forever if the iterator repeatedly produces an `Err`
[INFO] [stdout]   --> src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         .filter_map(|e| e.ok())
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `map_while(Result::ok)`
[INFO] [stdout]    |
[INFO] [stdout] note: this expression returning a `std::io::Lines` may produce an infinite number of `Err` in case of a read error
[INFO] [stdout]   --> src/main.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let all_lines = io::BufReader::new(file)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 27 | |         .lines()
[INFO] [stdout]    | |________________^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#lines_filter_map_ok
[INFO] [stdout]    = note: `#[warn(clippy::lines_filter_map_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     println!("");
[INFO] [stdout]    |     ^^^^^^^^^--^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `usize` is unnecessary
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for i in 0..(2 as usize).pow(variables.len() as u32) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: try: `2_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]  --> src/evaluator.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn evaluate_postfix<'a>(
[INFO] [stdout]   |                         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/evaluator.rs:48:74
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     Token::LogicalImp => operand_stack.push(Token::Value(!(left_value && !right_value))),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!left_value || right_value`
[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: useless use of `format!`
[INFO] [stdout]   --> src/evaluator.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 | ...                   _ => return Err(format!("Multiple variables undefined"))
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Multiple variables undefined".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> src/evaluator.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         assert_eq!(result.unwrap(), true);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]    |
[INFO] [stdout] 92 -         assert_eq!(result.unwrap(), true);
[INFO] [stdout] 92 +         assert!(result.unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/evaluator.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         assert_eq!(result.unwrap(), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 109 -         assert_eq!(result.unwrap(), false);
[INFO] [stdout] 109 +         assert!(!result.unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/evaluator.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         assert_eq!(result.unwrap(), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 126 -         assert_eq!(result.unwrap(), false);
[INFO] [stdout] 126 +         assert!(!result.unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/evaluator.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         assert_eq!(result.unwrap(), true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 143 -         assert_eq!(result.unwrap(), true);
[INFO] [stdout] 143 +         assert!(result.unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/evaluator.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         assert_eq!(result.unwrap(), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 161 -         assert_eq!(result.unwrap(), false);
[INFO] [stdout] 161 +         assert!(!result.unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/evaluator.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         assert_eq!(result.unwrap(), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 183 -         assert_eq!(result.unwrap(), false);
[INFO] [stdout] 183 +         assert!(!result.unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/parser.rs:43:67
[INFO] [stdout]    |
[INFO] [stdout] 43 |                       if curr_char != "~" && *t == Token::OpenParen {
[INFO] [stdout]    |  ___________________________________________________________________^
[INFO] [stdout] 44 | |                         break;
[INFO] [stdout] 45 | |                     } else if curr_char == "~" && *t != Token::LogicalNot {
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/parser.rs:45:75
[INFO] [stdout]    |
[INFO] [stdout] 45 |                       } else if curr_char == "~" && *t != Token::LogicalNot {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 46 | |                         break;
[INFO] [stdout] 47 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]    = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `filter_map()` will run forever if the iterator repeatedly produces an `Err`
[INFO] [stdout]   --> src/main.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         .filter_map(|e| e.ok())
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `map_while(Result::ok)`
[INFO] [stdout]    |
[INFO] [stdout] note: this expression returning a `std::io::Lines` may produce an infinite number of `Err` in case of a read error
[INFO] [stdout]   --> src/main.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let all_lines = io::BufReader::new(file)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 27 | |         .lines()
[INFO] [stdout]    | |________________^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#lines_filter_map_ok
[INFO] [stdout]    = note: `#[warn(clippy::lines_filter_map_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     println!("");
[INFO] [stdout]    |     ^^^^^^^^^--^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `usize` is unnecessary
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for i in 0..(2 as usize).pow(variables.len() as u32) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: try: `2_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "422fcc24099dfb4fee6d535ac660b3c74fc769d1f5007e1c5875af05b5da2e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422fcc24099dfb4fee6d535ac660b3c74fc769d1f5007e1c5875af05b5da2e8c", kill_on_drop: false }`
[INFO] [stdout] 422fcc24099dfb4fee6d535ac660b3c74fc769d1f5007e1c5875af05b5da2e8c