[INFO] cloning repository https://github.com/KingAkin/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KingAkin/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingAkin%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingAkin%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f240f977699859f59d5220777b981c4b6f8c49b
[INFO] linting KingAkin/rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingAkin%2Frust" "/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/KingAkin/rust
[INFO] finished tweaking git repo https://github.com/KingAkin/rust
[INFO] tweaked toml for git repo https://github.com/KingAkin/rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KingAkin/rust 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/KingAkin/rust 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] 3374ede521bac1ca4daeeba087b181aa7e2402d421670160d1364538b2e6dd91
[INFO] running `Command { std: "docker" "start" "-a" "3374ede521bac1ca4daeeba087b181aa7e2402d421670160d1364538b2e6dd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3374ede521bac1ca4daeeba087b181aa7e2402d421670160d1364538b2e6dd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3374ede521bac1ca4daeeba087b181aa7e2402d421670160d1364538b2e6dd91", kill_on_drop: false }`
[INFO] [stdout] 3374ede521bac1ca4daeeba087b181aa7e2402d421670160d1364538b2e6dd91
[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] a147f1cf6fd6c9ff786b38cc5c9051e5fd1cc418ccb920f3c222730041a4d432
[INFO] running `Command { std: "docker" "start" "-a" "a147f1cf6fd6c9ff786b38cc5c9051e5fd1cc418ccb920f3c222730041a4d432", kill_on_drop: false }`
[INFO] [stderr]     Checking my_project_name_lib v0.1.0 (/opt/rustwide/workdir/my_project_name_lib)
[INFO] [stderr]     Checking my_project_name v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/derived/user_defined.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         bottom_right: bottom_right,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `bottom_right`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/derived/user_defined.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         bottom_right: bottom_right,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `bottom_right`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/primitives/compound.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Matrix(f32, f32, f32, f32);
[INFO] [stdout]    |        ------ ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/primitives/compound.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Matrix(f32, f32, f32, f32);
[INFO] [stdout]    |        ------ ^^^  ^^^  ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/greetings/french.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Alo");
[INFO] [stdout]   |     ---------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]   = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Alo")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/greetings/french.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Alo");
[INFO] [stdout]   |     ---------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]   = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Alo")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/greetings/spanish.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Hola");
[INFO] [stdout]   |     ----------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Hola")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/greetings/spanish.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Hola");
[INFO] [stdout]   |     ----------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Hola")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/greetings/english.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Hi!");
[INFO] [stdout]   |     ---------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Hi!")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/greetings/english.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Hi!");
[INFO] [stdout]   |     ---------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Hi!")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/how_to_hold_data_for_operations/primitives/compound.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Gen V for the win!!!!!!!!!");
[INFO] [stdout]   |     --------------------------------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Gen V for the win!!!!!!!!!")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/how_to_hold_data_for_operations/primitives/compound.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Gen V for the win!!!!!!!!!");
[INFO] [stdout]   |     --------------------------------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Gen V for the win!!!!!!!!!")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/how_to_hold_data_for_operations/primitives/scalar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Scalar");
[INFO] [stdout]   |     ------------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Scalar")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/how_to_hold_data_for_operations/primitives/scalar.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     return b;
[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] 9 -     return b;
[INFO] [stdout] 9 +     b
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/primitives/scalar.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return a + b;
[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] 16 -     return a + b;
[INFO] [stdout] 16 +     a + b
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/primitives/scalar.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |     println!("true AND false is {}", true && false);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ help: try: `false`
[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/how_to_hold_data_for_operations/primitives/scalar.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |     println!("true OR false is {}", true || false);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: try: `true`
[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/how_to_hold_data_for_operations/primitives/scalar.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     println!("NOT true is {}", !true);
[INFO] [stdout]    |                                ^^^^^ help: try: `false`
[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: returning the result of a `let` binding from a block
[INFO] [stdout]  --> src/how_to_hold_data_for_operations/primitives/scalar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let message = String::from("Scalar");
[INFO] [stdout]   |     ------------------------------------- unnecessary `let` binding
[INFO] [stdout] 3 |     message
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]   |
[INFO] [stdout] 2 ~     
[INFO] [stdout] 3 ~     String::from("Scalar")
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/how_to_hold_data_for_operations/primitives/scalar.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     return b;
[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] 9 -     return b;
[INFO] [stdout] 9 +     b
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/primitives/scalar.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     return a + b;
[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] 16 -     return a + b;
[INFO] [stdout] 16 +     a + b
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/how_to_hold_data_for_operations/primitives/scalar.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |     println!("true AND false is {}", true && false);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ help: try: `false`
[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/how_to_hold_data_for_operations/primitives/scalar.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |     println!("true OR false is {}", true || false);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: try: `true`
[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/how_to_hold_data_for_operations/primitives/scalar.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     println!("NOT true is {}", !true);
[INFO] [stdout]    |                                ^^^^^ help: try: `false`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a147f1cf6fd6c9ff786b38cc5c9051e5fd1cc418ccb920f3c222730041a4d432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a147f1cf6fd6c9ff786b38cc5c9051e5fd1cc418ccb920f3c222730041a4d432", kill_on_drop: false }`
[INFO] [stdout] a147f1cf6fd6c9ff786b38cc5c9051e5fd1cc418ccb920f3c222730041a4d432