[INFO] cloning repository https://github.com/hub2/bf.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hub2/bf.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhub2%2Fbf.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhub2%2Fbf.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b9d861c4b956a5b705336bcbfb00bbac21eca92
[INFO] linting hub2/bf.rs against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhub2%2Fbf.rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hub2/bf.rs
[INFO] finished tweaking git repo https://github.com/hub2/bf.rs
[INFO] tweaked toml for git repo https://github.com/hub2/bf.rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hub2/bf.rs 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/hub2/bf.rs 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 39cc58261e6e6c24d5ded137e349d957c67d04ef891204cbef2dbfeb75bd8a8c
[INFO] running `Command { std: "docker" "start" "-a" "39cc58261e6e6c24d5ded137e349d957c67d04ef891204cbef2dbfeb75bd8a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39cc58261e6e6c24d5ded137e349d957c67d04ef891204cbef2dbfeb75bd8a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cc58261e6e6c24d5ded137e349d957c67d04ef891204cbef2dbfeb75bd8a8c", kill_on_drop: false }`
[INFO] [stdout] 39cc58261e6e6c24d5ded137e349d957c67d04ef891204cbef2dbfeb75bd8a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 57e3b1760d5d3626248d59f706e497907e1dd358fa1a0f1433cbeb22509fc78b
[INFO] running `Command { std: "docker" "start" "-a" "57e3b1760d5d3626248d59f706e497907e1dd358fa1a0f1433cbeb22509fc78b", kill_on_drop: false }`
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     if !top.is_none() {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: try: `top.is_some()`
[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/main.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 if !top.is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: try: `top.is_some()`
[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: called `unwrap` on `top` after checking its variant with `is_none`
[INFO] [stdout]   --> src/main.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     if !top.is_none() {
[INFO] [stdout]    |                         ------------- the check is happening here
[INFO] [stdout] 48 |                         if *top.unwrap() != codeptr {
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `top` after checking its variant with `is_none`
[INFO] [stdout]   --> src/main.rs:59:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 if !top.is_none() {
[INFO] [stdout]    |                     ------------- the check is happening here
[INFO] [stdout] 59 |                     codeptr = top.unwrap() - 1;
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn run(code: &String) {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 14 - fn run(code: &String) {
[INFO] [stdout] 14 + fn run(code: &str) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`char` -> `char`)
[INFO] [stdout]   --> src/main.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         if current_char as char == '[' {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `current_char`
[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: casting to the same type is unnecessary (`char` -> `char`)
[INFO] [stdout]   --> src/main.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |                         if current_char as char == ']' {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `current_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling .bytes() is very inefficient when data is not in memory
[INFO] [stdout]   --> src/main.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |                   memory[memoryptr] = std::io::stdin()
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 70 | |                     .bytes()
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `BufReader`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unbuffered_bytes
[INFO] [stdout]    = note: `#[warn(clippy::unbuffered_bytes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u8` -> `u8`)
[INFO] [stdout]   --> src/main.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     .map(|byte| byte as u8)
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try: `byte`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     if !top.is_none() {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: try: `top.is_some()`
[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/main.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 if !top.is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: try: `top.is_some()`
[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: called `unwrap` on `top` after checking its variant with `is_none`
[INFO] [stdout]   --> src/main.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     if !top.is_none() {
[INFO] [stdout]    |                         ------------- the check is happening here
[INFO] [stdout] 48 |                         if *top.unwrap() != codeptr {
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `top` after checking its variant with `is_none`
[INFO] [stdout]   --> src/main.rs:59:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 if !top.is_none() {
[INFO] [stdout]    |                     ------------- the check is happening here
[INFO] [stdout] 59 |                     codeptr = top.unwrap() - 1;
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn run(code: &String) {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 14 - fn run(code: &String) {
[INFO] [stdout] 14 + fn run(code: &str) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`char` -> `char`)
[INFO] [stdout]   --> src/main.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         if current_char as char == '[' {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `current_char`
[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: casting to the same type is unnecessary (`char` -> `char`)
[INFO] [stdout]   --> src/main.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |                         if current_char as char == ']' {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `current_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling .bytes() is very inefficient when data is not in memory
[INFO] [stdout]   --> src/main.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 69 |                   memory[memoryptr] = std::io::stdin()
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 70 | |                     .bytes()
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `BufReader`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unbuffered_bytes
[INFO] [stdout]    = note: `#[warn(clippy::unbuffered_bytes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u8` -> `u8`)
[INFO] [stdout]   --> src/main.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     .map(|byte| byte as u8)
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try: `byte`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "57e3b1760d5d3626248d59f706e497907e1dd358fa1a0f1433cbeb22509fc78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e3b1760d5d3626248d59f706e497907e1dd358fa1a0f1433cbeb22509fc78b", kill_on_drop: false }`
[INFO] [stdout] 57e3b1760d5d3626248d59f706e497907e1dd358fa1a0f1433cbeb22509fc78b