[INFO] cloning repository https://github.com/adi-joshi/equation_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adi-joshi/equation_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi-joshi%2Fequation_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi-joshi%2Fequation_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9899448fb8785dc3a8d2120405a0d2aa9cd031e
[INFO] linting adi-joshi/equation_parser against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi-joshi%2Fequation_parser" "/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/adi-joshi/equation_parser
[INFO] finished tweaking git repo https://github.com/adi-joshi/equation_parser
[INFO] tweaked toml for git repo https://github.com/adi-joshi/equation_parser written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adi-joshi/equation_parser 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/adi-joshi/equation_parser 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] 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] 395811c569545daeebe6b7fff96108b5b7da8e2c13dcd5173f14628f5992c068
[INFO] running `Command { std: "docker" "start" "-a" "395811c569545daeebe6b7fff96108b5b7da8e2c13dcd5173f14628f5992c068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395811c569545daeebe6b7fff96108b5b7da8e2c13dcd5173f14628f5992c068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395811c569545daeebe6b7fff96108b5b7da8e2c13dcd5173f14628f5992c068", kill_on_drop: false }`
[INFO] [stdout] 395811c569545daeebe6b7fff96108b5b7da8e2c13dcd5173f14628f5992c068
[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] c2749b0b12d6c175e4e4e2cbdbadcb09a6f92e4626759543d65b41b0e11914cd
[INFO] running `Command { std: "docker" "start" "-a" "c2749b0b12d6c175e4e4e2cbdbadcb09a6f92e4626759543d65b41b0e11914cd", kill_on_drop: false }`
[INFO] [stderr]     Checking equation_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:85:38
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if !(first_char.is_numeric()) && !(first_char == '-') {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: try: `(first_char != '-')`
[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 loop could be written as a `while let` loop
[INFO] [stdout]    --> src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 loop {
[INFO] [stdout] 107 | |                     if let Some(n) = eq_chars.peek() {
[INFO] [stdout] 108 | |                         println!("{}", n);
[INFO] [stdout] 109 | |                         if *n >= '0' && *n <= '9' { // cannot have - in the middle of a number
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |                 }
[INFO] [stdout]     | |_________________^ help: try: `while let Some(n) = eq_chars.peek() { .. }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:85:38
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if !(first_char.is_numeric()) && !(first_char == '-') {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: try: `(first_char != '-')`
[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 loop could be written as a `while let` loop
[INFO] [stdout]    --> src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 loop {
[INFO] [stdout] 107 | |                     if let Some(n) = eq_chars.peek() {
[INFO] [stdout] 108 | |                         println!("{}", n);
[INFO] [stdout] 109 | |                         if *n >= '0' && *n <= '9' { // cannot have - in the middle of a number
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |                 }
[INFO] [stdout]     | |_________________^ help: try: `while let Some(n) = eq_chars.peek() { .. }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stdout]     = note: `#[warn(clippy::while_let_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c2749b0b12d6c175e4e4e2cbdbadcb09a6f92e4626759543d65b41b0e11914cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2749b0b12d6c175e4e4e2cbdbadcb09a6f92e4626759543d65b41b0e11914cd", kill_on_drop: false }`
[INFO] [stdout] c2749b0b12d6c175e4e4e2cbdbadcb09a6f92e4626759543d65b41b0e11914cd