[INFO] cloning repository https://github.com/tulilirockz/qbfc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tulilirockz/qbfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftulilirockz%2Fqbfc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftulilirockz%2Fqbfc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7194a407762f9825b28aef6acf8af26df78d65c
[INFO] linting tulilirockz/qbfc against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftulilirockz%2Fqbfc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tulilirockz/qbfc
[INFO] finished tweaking git repo https://github.com/tulilirockz/qbfc
[INFO] tweaked toml for git repo https://github.com/tulilirockz/qbfc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tulilirockz/qbfc 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/tulilirockz/qbfc 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 clap v4.5.17
[INFO] [stderr]   Downloaded clap_builder v4.5.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9fa47b50acca60011e5f0ec80617ff593540dcb83305aa4cfe78ac100ba27451
[INFO] running `Command { std: "docker" "start" "-a" "9fa47b50acca60011e5f0ec80617ff593540dcb83305aa4cfe78ac100ba27451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa47b50acca60011e5f0ec80617ff593540dcb83305aa4cfe78ac100ba27451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa47b50acca60011e5f0ec80617ff593540dcb83305aa4cfe78ac100ba27451", kill_on_drop: false }`
[INFO] [stdout] 9fa47b50acca60011e5f0ec80617ff593540dcb83305aa4cfe78ac100ba27451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5c44ae54b8986c49f42dcc07bc2349e6551f79b748b018ba5bfe238fc74d9b24
[INFO] running `Command { std: "docker" "start" "-a" "5c44ae54b8986c49f42dcc07bc2349e6551f79b748b018ba5bfe238fc74d9b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking qbe v2.1.0 (/opt/rustwide/workdir/qbe-rs)
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> qbe-rs/src/lib.rs:484:23
[INFO] [stdout]     |
[INFO] [stdout] 484 |     pub fn last_block(&mut self) -> &Block {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^
[INFO] [stdout]     |                       |             ||
[INFO] [stdout]     |                       |             |the same lifetime is hidden here
[INFO] [stdout]     |                       |             the same lifetime is elided here
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 484 |     pub fn last_block(&mut self) -> &Block<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap_builder v4.5.17
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]     Checking clap v4.5.17
[INFO] [stderr]     Checking qbfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn add_block(self: &mut Self, block: qbe::Block<'a>) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout]    = note: `#[warn(clippy::needless_arbitrary_self_type)]` on by default
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 22 -     fn add_block(self: &mut Self, block: qbe::Block<'a>) {
[INFO] [stdout] 22 +     fn add_block(&mut self, block: qbe::Block<'a>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn init_body(self: &mut Self) -> &mut Self {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 46 -     pub fn init_body(self: &mut Self) -> &mut Self {
[INFO] [stdout] 46 +     pub fn init_body(&mut self) -> &mut Self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn close_prog(self: &mut Self) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 81 -     pub fn close_prog(self: &mut Self) {
[INFO] [stdout] 81 +     pub fn close_prog(&mut self) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         self: &mut Self,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 94 -         self: &mut Self,
[INFO] [stdout] 94 +         &mut self,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn to_opposite(self: Self) -> Option<BrainfuckToken> {
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 21 -     pub fn to_opposite(self: Self) -> Option<BrainfuckToken> {
[INFO] [stdout] 21 +     pub fn to_opposite(self) -> Option<BrainfuckToken> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn validate(self: &Self) -> bool;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 37 -     fn validate(self: &Self) -> bool;
[INFO] [stdout] 37 +     fn validate(&self) -> bool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn validate(self: &Self) -> bool {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn validate(self: &Self) -> bool {
[INFO] [stdout] 41 +     fn validate(&self) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn compress(self: Self) -> Vec<CompressedBrainfuckToken>;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 76 -     fn compress(self: Self) -> Vec<CompressedBrainfuckToken>;
[INFO] [stdout] 76 +     fn compress(self) -> Vec<CompressedBrainfuckToken>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn is_valid_token(self: Self) -> bool;
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 80 -     fn is_valid_token(self: Self) -> bool;
[INFO] [stdout] 80 +     fn is_valid_token(self) -> bool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn clean(self: Self) -> Self;
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn clean(self: Self) -> Self;
[INFO] [stdout] 84 +     fn clean(self) -> Self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn clean(self: Self) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 88 -     fn clean(self: Self) -> Self {
[INFO] [stdout] 88 +     fn clean(self) -> Self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]    --> src/token.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn compress(self: Self) -> Vec<CompressedBrainfuckToken> {
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]     |
[INFO] [stdout] 114 -     fn compress(self: Self) -> Vec<CompressedBrainfuckToken> {
[INFO] [stdout] 114 +     fn compress(self) -> Vec<CompressedBrainfuckToken> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]    --> src/token.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn is_valid_token(self: Self) -> bool {
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]     |
[INFO] [stdout] 173 -     fn is_valid_token(self: Self) -> bool {
[INFO] [stdout] 173 +     fn is_valid_token(self) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn add_block(self: &mut Self, block: qbe::Block<'a>) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout]    = note: `#[warn(clippy::needless_arbitrary_self_type)]` on by default
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 22 -     fn add_block(self: &mut Self, block: qbe::Block<'a>) {
[INFO] [stdout] 22 +     fn add_block(&mut self, block: qbe::Block<'a>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn init_body(self: &mut Self) -> &mut Self {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 46 -     pub fn init_body(self: &mut Self) -> &mut Self {
[INFO] [stdout] 46 +     pub fn init_body(&mut self) -> &mut Self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn close_prog(self: &mut Self) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 81 -     pub fn close_prog(self: &mut Self) {
[INFO] [stdout] 81 +     pub fn close_prog(&mut self) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/ir.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         self: &mut Self,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 94 -         self: &mut Self,
[INFO] [stdout] 94 +         &mut self,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn to_opposite(self: Self) -> Option<BrainfuckToken> {
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 21 -     pub fn to_opposite(self: Self) -> Option<BrainfuckToken> {
[INFO] [stdout] 21 +     pub fn to_opposite(self) -> Option<BrainfuckToken> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn validate(self: &Self) -> bool;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 37 -     fn validate(self: &Self) -> bool;
[INFO] [stdout] 37 +     fn validate(&self) -> bool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn validate(self: &Self) -> bool {
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn validate(self: &Self) -> bool {
[INFO] [stdout] 41 +     fn validate(&self) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn compress(self: Self) -> Vec<CompressedBrainfuckToken>;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 76 -     fn compress(self: Self) -> Vec<CompressedBrainfuckToken>;
[INFO] [stdout] 76 +     fn compress(self) -> Vec<CompressedBrainfuckToken>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn is_valid_token(self: Self) -> bool;
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 80 -     fn is_valid_token(self: Self) -> bool;
[INFO] [stdout] 80 +     fn is_valid_token(self) -> bool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn clean(self: Self) -> Self;
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 84 -     fn clean(self: Self) -> Self;
[INFO] [stdout] 84 +     fn clean(self) -> Self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]   --> src/token.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn clean(self: Self) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]    |
[INFO] [stdout] 88 -     fn clean(self: Self) -> Self {
[INFO] [stdout] 88 +     fn clean(self) -> Self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]    --> src/token.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn compress(self: Self) -> Vec<CompressedBrainfuckToken> {
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]     |
[INFO] [stdout] 114 -     fn compress(self: Self) -> Vec<CompressedBrainfuckToken> {
[INFO] [stdout] 114 +     fn compress(self) -> Vec<CompressedBrainfuckToken> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type of the `self` parameter does not need to be arbitrary
[INFO] [stdout]    --> src/token.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn is_valid_token(self: Self) -> bool {
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
[INFO] [stdout] help: remove the type
[INFO] [stdout]     |
[INFO] [stdout] 173 -     fn is_valid_token(self: Self) -> bool {
[INFO] [stdout] 173 +     fn is_valid_token(self) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/ir.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /         return BlocksTracker {
[INFO] [stdout] 17 | |             blocks: vec![],
[INFO] [stdout] 18 | |             idx: 1,
[INFO] [stdout] 19 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 16 ~         BlocksTracker {
[INFO] [stdout] 17 +             blocks: vec![],
[INFO] [stdout] 18 +             idx: 1,
[INFO] [stdout] 19 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/ir.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | /         return BlocksTracker {
[INFO] [stdout] 17 | |             blocks: vec![],
[INFO] [stdout] 18 | |             idx: 1,
[INFO] [stdout] 19 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 16 ~         BlocksTracker {
[INFO] [stdout] 17 +             blocks: vec![],
[INFO] [stdout] 18 +             idx: 1,
[INFO] [stdout] 19 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/token.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if !cleaned[idx + 1].token.to_opposite().is_none()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cleaned[idx + 1].token.to_opposite().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: manual implementation of an assign operation
[INFO] [stdout]   --> src/token.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     cleaned[idx].num = cleaned[idx].num - cleaned[idx + 1].num;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cleaned[idx].num -= cleaned[idx + 1].num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/token.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     cleaned[idx + 1].num = cleaned[idx + 1].num - cleaned[idx].num;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cleaned[idx + 1].num -= cleaned[idx].num`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/token.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         return compressed_tokens;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 152 -         return compressed_tokens;
[INFO] [stdout] 152 +         compressed_tokens
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
[INFO] [stdout]    --> src/token.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl Into<BrainfuckToken> for u8 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#from_over_into
[INFO] [stdout]     = note: `#[warn(clippy::from_over_into)]` on by default
[INFO] [stdout] help: replace the `Into` implementation with `From<u8>`
[INFO] [stdout]     |
[INFO] [stdout] 156 ~ impl From<u8> for BrainfuckToken {
[INFO] [stdout] 157 ~     fn from(val: u8) -> Self {
[INFO] [stdout] 158 ~         match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/token.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         match self {
[INFO] [stdout] 175 | |             b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']' => true,
[INFO] [stdout] 176 | |             _ => false,
[INFO] [stdout] 177 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]     = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 174 -         match self {
[INFO] [stdout] 175 -             b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']' => true,
[INFO] [stdout] 176 -             _ => false,
[INFO] [stdout] 177 -         }
[INFO] [stdout] 174 +         matches!(self, b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             return;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 149 -             );
[INFO] [stdout] 150 -             return;
[INFO] [stdout] 149 +             );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     if !args.no_check {
[INFO] [stdout] 64 | |         if !compressed_tokens.validate() {
[INFO] [stdout] 65 | |             panic!("Failed due to bracket mismatch");
[INFO] [stdout] 66 | |         }
[INFO] [stdout] 67 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 63 ~     if !args.no_check
[INFO] [stdout] 64 ~         && !compressed_tokens.validate() {
[INFO] [stdout] 65 |             panic!("Failed due to bracket mismatch");
[INFO] [stdout] 66 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/main.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 | /                 format!(
[INFO] [stdout] 114 | |                     "{}",
[INFO] [stdout] 115 | |                     String::from_utf8(qbeproc.wait_with_output().unwrap().stdout).unwrap()
[INFO] [stdout] 116 | |                 ),
[INFO] [stdout]     | |_________________^ help: consider using `.to_string()`: `String::from_utf8(qbeproc.wait_with_output().unwrap().stdout).unwrap().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: spawned process is never `wait()`ed on
[INFO] [stdout]    --> src/main.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |               let qbeproc = Command::new("qbe")
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 122 | |                 .stdin(Stdio::piped())
[INFO] [stdout] 123 | |                 .stdout(Stdio::piped())
[INFO] [stdout] 124 | |                 .spawn()
[INFO] [stdout] 125 | |                 .expect("Failure finding QBE binary");
[INFO] [stdout]     | |_____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider calling `.wait()`
[INFO] [stdout]     = note: not doing so might leave behind zombie processes
[INFO] [stdout]     = note: see https://doc.rust-lang.org/stable/std/process/struct.Child.html#warning
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zombie_processes
[INFO] [stdout]     = note: `#[warn(clippy::zombie_processes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/token.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if !cleaned[idx + 1].token.to_opposite().is_none()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cleaned[idx + 1].token.to_opposite().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: manual implementation of an assign operation
[INFO] [stdout]   --> src/token.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     cleaned[idx].num = cleaned[idx].num - cleaned[idx + 1].num;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cleaned[idx].num -= cleaned[idx + 1].num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/token.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     cleaned[idx + 1].num = cleaned[idx + 1].num - cleaned[idx].num;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cleaned[idx + 1].num -= cleaned[idx].num`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/token.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         return compressed_tokens;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 152 -         return compressed_tokens;
[INFO] [stdout] 152 +         compressed_tokens
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true
[INFO] [stdout]    --> src/token.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl Into<BrainfuckToken> for u8 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#from_over_into
[INFO] [stdout]     = note: `#[warn(clippy::from_over_into)]` on by default
[INFO] [stdout] help: replace the `Into` implementation with `From<u8>`
[INFO] [stdout]     |
[INFO] [stdout] 156 ~ impl From<u8> for BrainfuckToken {
[INFO] [stdout] 157 ~     fn from(val: u8) -> Self {
[INFO] [stdout] 158 ~         match val {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]    --> src/token.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | /         match self {
[INFO] [stdout] 175 | |             b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']' => true,
[INFO] [stdout] 176 | |             _ => false,
[INFO] [stdout] 177 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]     = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]     |
[INFO] [stdout] 174 -         match self {
[INFO] [stdout] 175 -             b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']' => true,
[INFO] [stdout] 176 -             _ => false,
[INFO] [stdout] 177 -         }
[INFO] [stdout] 174 +         matches!(self, b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             return;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 149 -             );
[INFO] [stdout] 150 -             return;
[INFO] [stdout] 149 +             );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     if !args.no_check {
[INFO] [stdout] 64 | |         if !compressed_tokens.validate() {
[INFO] [stdout] 65 | |             panic!("Failed due to bracket mismatch");
[INFO] [stdout] 66 | |         }
[INFO] [stdout] 67 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 63 ~     if !args.no_check
[INFO] [stdout] 64 ~         && !compressed_tokens.validate() {
[INFO] [stdout] 65 |             panic!("Failed due to bracket mismatch");
[INFO] [stdout] 66 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/main.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 | /                 format!(
[INFO] [stdout] 114 | |                     "{}",
[INFO] [stdout] 115 | |                     String::from_utf8(qbeproc.wait_with_output().unwrap().stdout).unwrap()
[INFO] [stdout] 116 | |                 ),
[INFO] [stdout]     | |_________________^ help: consider using `.to_string()`: `String::from_utf8(qbeproc.wait_with_output().unwrap().stdout).unwrap().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: spawned process is never `wait()`ed on
[INFO] [stdout]    --> src/main.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |               let qbeproc = Command::new("qbe")
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 122 | |                 .stdin(Stdio::piped())
[INFO] [stdout] 123 | |                 .stdout(Stdio::piped())
[INFO] [stdout] 124 | |                 .spawn()
[INFO] [stdout] 125 | |                 .expect("Failure finding QBE binary");
[INFO] [stdout]     | |_____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider calling `.wait()`
[INFO] [stdout]     = note: not doing so might leave behind zombie processes
[INFO] [stdout]     = note: see https://doc.rust-lang.org/stable/std/process/struct.Child.html#warning
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zombie_processes
[INFO] [stdout]     = note: `#[warn(clippy::zombie_processes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "5c44ae54b8986c49f42dcc07bc2349e6551f79b748b018ba5bfe238fc74d9b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c44ae54b8986c49f42dcc07bc2349e6551f79b748b018ba5bfe238fc74d9b24", kill_on_drop: false }`
[INFO] [stdout] 5c44ae54b8986c49f42dcc07bc2349e6551f79b748b018ba5bfe238fc74d9b24