[INFO] cloning repository https://github.com/jtcourtemarche/needleman-wunsch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtcourtemarche/needleman-wunsch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcourtemarche%2Fneedleman-wunsch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcourtemarche%2Fneedleman-wunsch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00b7719579818e30ecbe7d53f275048879f3a58f
[INFO] linting jtcourtemarche/needleman-wunsch against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtcourtemarche%2Fneedleman-wunsch" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jtcourtemarche/needleman-wunsch
[INFO] finished tweaking git repo https://github.com/jtcourtemarche/needleman-wunsch
[INFO] tweaked toml for git repo https://github.com/jtcourtemarche/needleman-wunsch written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtcourtemarche/needleman-wunsch 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/jtcourtemarche/needleman-wunsch 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75d8e783f5326fb85c5e23a8b68646dec0d104f542bc323cf5d0e9370028db31
[INFO] running `Command { std: "docker" "start" "-a" "75d8e783f5326fb85c5e23a8b68646dec0d104f542bc323cf5d0e9370028db31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d8e783f5326fb85c5e23a8b68646dec0d104f542bc323cf5d0e9370028db31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d8e783f5326fb85c5e23a8b68646dec0d104f542bc323cf5d0e9370028db31", kill_on_drop: false }`
[INFO] [stdout] 75d8e783f5326fb85c5e23a8b68646dec0d104f542bc323cf5d0e9370028db31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 37d02eb867b24d217b80c7e1dfcaacd40e021435f7b4231cd4594b134f1a97cb
[INFO] running `Command { std: "docker" "start" "-a" "37d02eb867b24d217b80c7e1dfcaacd40e021435f7b4231cd4594b134f1a97cb", kill_on_drop: false }`
[INFO] [stderr]     Checking edit-distance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         !(a == b) as i32
[INFO] [stdout]    |         ^^^^^^^^^ help: try: `(a != b)`
[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: called `unwrap` on `x` after checking its variant with `is_some`
[INFO] [stdout]    --> src/main.rs:143:54
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if x.is_some() && y.is_some() {
[INFO] [stdout]     |            ----------- the check is happening here
[INFO] [stdout] 142 |             if i < self.N {
[INFO] [stdout] 143 |                 result.push_str(&format!("{} - 2\n", x.unwrap()));
[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 `y` after checking its variant with `is_some`
[INFO] [stdout]    --> src/main.rs:146:54
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if x.is_some() && y.is_some() {
[INFO] [stdout]     |                           ----------- the check is happening here
[INFO] [stdout] ...
[INFO] [stdout] 146 |                 result.push_str(&format!("- {} 2\n", y.unwrap()));
[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: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/main.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             matrix.push_str("\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `matrix.push('\n')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]     = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     N: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     M: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         !(a == b) as i32
[INFO] [stdout]    |         ^^^^^^^^^ help: try: `(a != b)`
[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: called `unwrap` on `x` after checking its variant with `is_some`
[INFO] [stdout]    --> src/main.rs:143:54
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if x.is_some() && y.is_some() {
[INFO] [stdout]     |            ----------- the check is happening here
[INFO] [stdout] 142 |             if i < self.N {
[INFO] [stdout] 143 |                 result.push_str(&format!("{} - 2\n", x.unwrap()));
[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 `y` after checking its variant with `is_some`
[INFO] [stdout]    --> src/main.rs:146:54
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if x.is_some() && y.is_some() {
[INFO] [stdout]     |                           ----------- the check is happening here
[INFO] [stdout] ...
[INFO] [stdout] 146 |                 result.push_str(&format!("- {} 2\n", y.unwrap()));
[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: calling `push_str()` using a single-character string literal
[INFO] [stdout]    --> src/main.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             matrix.push_str("\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `matrix.push('\n')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]     = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     N: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     M: usize,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "37d02eb867b24d217b80c7e1dfcaacd40e021435f7b4231cd4594b134f1a97cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d02eb867b24d217b80c7e1dfcaacd40e021435f7b4231cd4594b134f1a97cb", kill_on_drop: false }`
[INFO] [stdout] 37d02eb867b24d217b80c7e1dfcaacd40e021435f7b4231cd4594b134f1a97cb