[INFO] cloning repository https://github.com/oussamarouabah/rust_by_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oussamarouabah/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussamarouabah%2Frust_by_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussamarouabah%2Frust_by_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba8c4c4dba3bcd1256f1e0c5c8d19eeb5c679745
[INFO] linting oussamarouabah/rust_by_example against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussamarouabah%2Frust_by_example" "/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/oussamarouabah/rust_by_example
[INFO] finished tweaking git repo https://github.com/oussamarouabah/rust_by_example
[INFO] tweaked toml for git repo https://github.com/oussamarouabah/rust_by_example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oussamarouabah/rust_by_example 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/oussamarouabah/rust_by_example 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] f8e009972a8727c84fcaf60e8c02d27efc9ece12ecbfcd2e0b29cd160a8834fd
[INFO] running `Command { std: "docker" "start" "-a" "f8e009972a8727c84fcaf60e8c02d27efc9ece12ecbfcd2e0b29cd160a8834fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e009972a8727c84fcaf60e8c02d27efc9ece12ecbfcd2e0b29cd160a8834fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e009972a8727c84fcaf60e8c02d27efc9ece12ecbfcd2e0b29cd160a8834fd", kill_on_drop: false }`
[INFO] [stdout] f8e009972a8727c84fcaf60e8c02d27efc9ece12ecbfcd2e0b29cd160a8834fd
[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] d748bc9a3c6ce232e2004c866c13e85e7562c43fa270b01b901940059701ffab
[INFO] running `Command { std: "docker" "start" "-a" "d748bc9a3c6ce232e2004c866c13e85e7562c43fa270b01b901940059701ffab", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/literals/bin/main.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     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/literals/bin/main.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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/literals/bin/main.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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: this boolean expression can be simplified
[INFO] [stdout]   --> src/literals/bin/main.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     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/literals/bin/main.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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/literals/bin/main.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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: float has excessive precision
[INFO] [stdout]   --> src/formating/bin/main.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |             lat: 53.347778,
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stdout]    = note: `#[warn(clippy::excessive_precision)]` on by default
[INFO] [stdout] help: consider changing the type or truncating it to
[INFO] [stdout]    |
[INFO] [stdout] 52 -             lat: 53.347778,
[INFO] [stdout] 52 +             lat: 53.347_78,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/struct/bin/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person<'a> {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     name: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` 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 `name` and `age` are never read
[INFO] [stdout]  --> src/struct/bin/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person<'a> {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     name: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` 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: useless use of `format!`
[INFO] [stdout]   --> src/linked_list/bin/main.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Nil => format!("Nil"),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Nil".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: float has excessive precision
[INFO] [stdout]   --> src/formating/bin/main.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |             lat: 53.347778,
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[INFO] [stdout]    = note: `#[warn(clippy::excessive_precision)]` on by default
[INFO] [stdout] help: consider changing the type or truncating it to
[INFO] [stdout]    |
[INFO] [stdout] 52 -             lat: 53.347778,
[INFO] [stdout] 52 +             lat: 53.347_78,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/linked_list/bin/main.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Nil => format!("Nil"),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Nil".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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d748bc9a3c6ce232e2004c866c13e85e7562c43fa270b01b901940059701ffab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d748bc9a3c6ce232e2004c866c13e85e7562c43fa270b01b901940059701ffab", kill_on_drop: false }`
[INFO] [stdout] d748bc9a3c6ce232e2004c866c13e85e7562c43fa270b01b901940059701ffab