[INFO] fetching crate utile_cli 0.3.2...
[INFO] testing utile_cli-0.3.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate utile_cli 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate utile_cli 0.3.2
[INFO] finished tweaking crates.io crate utile_cli 0.3.2
[INFO] tweaked toml for crates.io crate utile_cli 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate utile_cli 0.3.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding pancurses v0.16.1 (available: v0.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 179f56e23e6f9706d9e8bc0f69f6b19014a37ce8805c1db238caeffb062446e0
[INFO] running `Command { std: "docker" "start" "-a" "179f56e23e6f9706d9e8bc0f69f6b19014a37ce8805c1db238caeffb062446e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "179f56e23e6f9706d9e8bc0f69f6b19014a37ce8805c1db238caeffb062446e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179f56e23e6f9706d9e8bc0f69f6b19014a37ce8805c1db238caeffb062446e0", kill_on_drop: false }`
[INFO] [stdout] 179f56e23e6f9706d9e8bc0f69f6b19014a37ce8805c1db238caeffb062446e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a176f9436ee05b50865bbf0c09843e2138d4f810496e52f3c24a9b05a5c546d
[INFO] running `Command { std: "docker" "start" "-a" "6a176f9436ee05b50865bbf0c09843e2138d4f810496e52f3c24a9b05a5c546d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling utile_cli v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:639:14
[INFO] [stdout]     |
[INFO] [stdout] 639 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 639 -           if (y < layers.len() - 1) {
[INFO] [stdout] 639 +           if y < layers.len() - 1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:644:14
[INFO] [stdout]     |
[INFO] [stdout] 644 |           if (y > 0) {
[INFO] [stdout]     |              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 644 -           if (y > 0) {
[INFO] [stdout] 644 +           if y > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cli.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |       _ | None => ()
[INFO] [stdout]     |       -   ^^^^ no value can reach this
[INFO] [stdout]     |       |
[INFO] [stdout]     |       matches any value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cli.rs:493:23
[INFO] [stdout]     |
[INFO] [stdout] 493 |       Some(Key::Alpha(c)) => { self.raw_delete_prev(); },
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cli.rs:513:23
[INFO] [stdout]     |
[INFO] [stdout] 513 |           if let Some(i) = r.get_content().pop() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cli.rs:544:23
[INFO] [stdout]     |
[INFO] [stdout] 544 |           if let Some(i) = r.get_content().pop() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/cli.rs:201:6
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl LayerArrangement {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 201 |   fn pop(&mut self) -> Option<Layer2D> {
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "6a176f9436ee05b50865bbf0c09843e2138d4f810496e52f3c24a9b05a5c546d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a176f9436ee05b50865bbf0c09843e2138d4f810496e52f3c24a9b05a5c546d", kill_on_drop: false }`
[INFO] [stdout] 6a176f9436ee05b50865bbf0c09843e2138d4f810496e52f3c24a9b05a5c546d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477df98e96da89050b082905c0eda95ea1cee9f1598efc6c10b0df7fd183bd46
[INFO] running `Command { std: "docker" "start" "-a" "477df98e96da89050b082905c0eda95ea1cee9f1598efc6c10b0df7fd183bd46", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:639:14
[INFO] [stdout]     |
[INFO] [stdout] 639 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 639 -           if (y < layers.len() - 1) {
[INFO] [stdout] 639 +           if y < layers.len() - 1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:644:14
[INFO] [stdout]     |
[INFO] [stdout] 644 |           if (y > 0) {
[INFO] [stdout]     |              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 644 -           if (y > 0) {
[INFO] [stdout] 644 +           if y > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cli.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |       _ | None => ()
[INFO] [stdout]     |       -   ^^^^ no value can reach this
[INFO] [stdout]     |       |
[INFO] [stdout]     |       matches any value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utile_cli v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cli.rs:493:23
[INFO] [stdout]     |
[INFO] [stdout] 493 |       Some(Key::Alpha(c)) => { self.raw_delete_prev(); },
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cli.rs:513:23
[INFO] [stdout]     |
[INFO] [stdout] 513 |           if let Some(i) = r.get_content().pop() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cli.rs:544:23
[INFO] [stdout]     |
[INFO] [stdout] 544 |           if let Some(i) = r.get_content().pop() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/cli.rs:201:6
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl LayerArrangement {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 201 |   fn pop(&mut self) -> Option<Layer2D> {
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:639:14
[INFO] [stdout]     |
[INFO] [stdout] 639 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 639 -           if (y < layers.len() - 1) {
[INFO] [stdout] 639 +           if y < layers.len() - 1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:644:14
[INFO] [stdout]     |
[INFO] [stdout] 644 |           if (y > 0) {
[INFO] [stdout]     |              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 644 -           if (y > 0) {
[INFO] [stdout] 644 +           if y > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cli.rs:494:11
[INFO] [stdout]     |
[INFO] [stdout] 494 |       _ | None => ()
[INFO] [stdout]     |       -   ^^^^ no value can reach this
[INFO] [stdout]     |       |
[INFO] [stdout]     |       matches any value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cli.rs:493:23
[INFO] [stdout]     |
[INFO] [stdout] 493 |       Some(Key::Alpha(c)) => { self.raw_delete_prev(); },
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cli.rs:513:23
[INFO] [stdout]     |
[INFO] [stdout] 513 |           if let Some(i) = r.get_content().pop() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cli.rs:544:23
[INFO] [stdout]     |
[INFO] [stdout] 544 |           if let Some(i) = r.get_content().pop() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l2d`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let l2d = t.add_layer2d(l2d);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_l2d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut behindl2d = Layer2D::new(0, 0, 4, 4, behindl);
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut frontl2d = Layer2D::new(0, 0, 2, 2, frontl);
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/cli.rs:201:6
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl LayerArrangement {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 201 |   fn pop(&mut self) -> Option<Layer2D> {
[INFO] [stdout]     |      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "477df98e96da89050b082905c0eda95ea1cee9f1598efc6c10b0df7fd183bd46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477df98e96da89050b082905c0eda95ea1cee9f1598efc6c10b0df7fd183bd46", kill_on_drop: false }`
[INFO] [stdout] 477df98e96da89050b082905c0eda95ea1cee9f1598efc6c10b0df7fd183bd46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1eb0b8edaa967e14392c4a336edc0bce3235a67547f6df5004dad2b5fa761e1
[INFO] running `Command { std: "docker" "start" "-a" "a1eb0b8edaa967e14392c4a336edc0bce3235a67547f6df5004dad2b5fa761e1", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cli.rs:639:14
[INFO] [stderr]     |
[INFO] [stderr] 639 |           if (y < layers.len() - 1) {
[INFO] [stderr]     |              ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 639 -           if (y < layers.len() - 1) {
[INFO] [stderr] 639 +           if y < layers.len() - 1 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cli.rs:644:14
[INFO] [stderr]     |
[INFO] [stderr] 644 |           if (y > 0) {
[INFO] [stderr]     |              ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 644 -           if (y > 0) {
[INFO] [stderr] 644 +           if y > 0 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cli.rs:494:11
[INFO] [stderr]     |
[INFO] [stderr] 494 |       _ | None => ()
[INFO] [stderr]     |       -   ^^^^ no value can reach this
[INFO] [stderr]     |       |
[INFO] [stderr]     |       matches any value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/cli.rs:493:23
[INFO] [stderr]     |
[INFO] [stderr] 493 |       Some(Key::Alpha(c)) => { self.raw_delete_prev(); },
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/cli.rs:513:23
[INFO] [stderr]     |
[INFO] [stderr] 513 |           if let Some(i) = r.get_content().pop() {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/cli.rs:544:23
[INFO] [stderr]     |
[INFO] [stderr] 544 |           if let Some(i) = r.get_content().pop() {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: method `pop` is never used
[INFO] [stderr]    --> src/cli.rs:201:6
[INFO] [stderr]     |
[INFO] [stderr] 191 | impl LayerArrangement {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 201 |   fn pop(&mut self) -> Option<Layer2D> {
[INFO] [stderr]     |      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l2d`
[INFO] [stderr]   --> src/lib.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let l2d = t.add_layer2d(l2d);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_l2d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut behindl2d = Layer2D::new(0, 0, 4, 4, behindl);
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut frontl2d = Layer2D::new(0, 0, 2, 2, frontl);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `utile_cli` (lib) generated 7 warnings (run `cargo fix --lib -p utile_cli` to apply 2 suggestions)
[INFO] [stderr] warning: `utile_cli` (lib test) generated 10 warnings (7 duplicates) (run `cargo fix --lib -p utile_cli --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utile_cli-4090e27c78b312f5)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::input ... ok
[INFO] [stdout] test tests::layer_arr ... ok
[INFO] [stdout] test tests::mask ... ok
[INFO] [stdout] test tests::output ... ok
[INFO] [stdout] test tests::term ... ok
[INFO] [stdout] test tests::layer2d ... ok
[INFO] [stdout] test tests::yes_no ... ok
[INFO] [stderr] Error opening terminal: unknown.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/utile_cli-4090e27c78b312f5` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "a1eb0b8edaa967e14392c4a336edc0bce3235a67547f6df5004dad2b5fa761e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1eb0b8edaa967e14392c4a336edc0bce3235a67547f6df5004dad2b5fa761e1", kill_on_drop: false }`
[INFO] [stdout] a1eb0b8edaa967e14392c4a336edc0bce3235a67547f6df5004dad2b5fa761e1