[INFO] cloning repository https://github.com/meltedot/utile_cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meltedot/utile_cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeltedot%2Futile_cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeltedot%2Futile_cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f5efcb854a320ee397d659efe8a4b0bf4537ba2
[INFO] testing meltedot/utile_cli against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeltedot%2Futile_cli" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meltedot/utile_cli on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meltedot/utile_cli
[INFO] finished tweaking git repo https://github.com/meltedot/utile_cli
[INFO] tweaked toml for git repo https://github.com/meltedot/utile_cli written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/meltedot/utile_cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f372e6921ae23ac543f4905363f7bda88ca1a1c914bcd062812c4e5acee2645f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f372e6921ae23ac543f4905363f7bda88ca1a1c914bcd062812c4e5acee2645f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f372e6921ae23ac543f4905363f7bda88ca1a1c914bcd062812c4e5acee2645f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f372e6921ae23ac543f4905363f7bda88ca1a1c914bcd062812c4e5acee2645f", kill_on_drop: false }`
[INFO] [stdout] f372e6921ae23ac543f4905363f7bda88ca1a1c914bcd062812c4e5acee2645f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21df62deb6079e22cab0f28fbb5ea2cf9420177917a814b6b30e6ca3906432c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c21df62deb6079e22cab0f28fbb5ea2cf9420177917a814b6b30e6ca3906432c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling utile_cli v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:638:14
[INFO] [stdout]     |
[INFO] [stdout] 638 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:643:14
[INFO] [stdout]     |
[INFO] [stdout] 643 |           if (y > 0) {
[INFO] [stdout]     |              ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cli.rs:493:11
[INFO] [stdout]     |
[INFO] [stdout] 493 |       _ | None => ()
[INFO] [stdout]     |           ^^^^
[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:492:23
[INFO] [stdout]     |
[INFO] [stdout] 492 |       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:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |           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:543:23
[INFO] [stdout]     |
[INFO] [stdout] 543 |           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: associated function is never used: `pop`
[INFO] [stdout]    --> src/cli.rs:201:6
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "c21df62deb6079e22cab0f28fbb5ea2cf9420177917a814b6b30e6ca3906432c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21df62deb6079e22cab0f28fbb5ea2cf9420177917a814b6b30e6ca3906432c", kill_on_drop: false }`
[INFO] [stdout] c21df62deb6079e22cab0f28fbb5ea2cf9420177917a814b6b30e6ca3906432c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed31594c849f637b19ca76bd3368100ce7727d02a864a7f998f2ee90aa20d129
[INFO] running `Command { std: "docker" "start" "-a" "ed31594c849f637b19ca76bd3368100ce7727d02a864a7f998f2ee90aa20d129", kill_on_drop: false }`
[INFO] [stderr]    Compiling utile_cli v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:638:14
[INFO] [stdout]     |
[INFO] [stdout] 638 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:643:14
[INFO] [stdout]     |
[INFO] [stdout] 643 |           if (y > 0) {
[INFO] [stdout]     |              ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cli.rs:493:11
[INFO] [stdout]     |
[INFO] [stdout] 493 |       _ | None => ()
[INFO] [stdout]     |           ^^^^
[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:492:23
[INFO] [stdout]     |
[INFO] [stdout] 492 |       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:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |           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:543:23
[INFO] [stdout]     |
[INFO] [stdout] 543 |           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: associated function is never used: `pop`
[INFO] [stdout]    --> src/cli.rs:201:6
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:638:14
[INFO] [stdout]     |
[INFO] [stdout] 638 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:643:14
[INFO] [stdout]     |
[INFO] [stdout] 643 |           if (y > 0) {
[INFO] [stdout]     |              ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cli.rs:493:11
[INFO] [stdout]     |
[INFO] [stdout] 493 |       _ | None => ()
[INFO] [stdout]     |           ^^^^
[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:492:23
[INFO] [stdout]     |
[INFO] [stdout] 492 |       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:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |           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:543:23
[INFO] [stdout]     |
[INFO] [stdout] 543 |           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: associated function is never used: `pop`
[INFO] [stdout]    --> src/cli.rs:201:6
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "ed31594c849f637b19ca76bd3368100ce7727d02a864a7f998f2ee90aa20d129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed31594c849f637b19ca76bd3368100ce7727d02a864a7f998f2ee90aa20d129", kill_on_drop: false }`
[INFO] [stdout] ed31594c849f637b19ca76bd3368100ce7727d02a864a7f998f2ee90aa20d129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b7ac33eb180507635581fdc38ed63948568d621eee1a55e862ce3c14d4fc298
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b7ac33eb180507635581fdc38ed63948568d621eee1a55e862ce3c14d4fc298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cli.rs:638:14
[INFO] [stderr]     |
[INFO] [stderr] 638 |           if (y < layers.len() - 1) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cli.rs:643:14
[INFO] [stderr]     |
[INFO] [stderr] 643 |           if (y > 0) {
[INFO] [stderr]     |              ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cli.rs:493:11
[INFO] [stderr]     |
[INFO] [stderr] 493 |       _ | None => ()
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/cli.rs:492:23
[INFO] [stderr]     |
[INFO] [stderr] 492 |       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:512:23
[INFO] [stderr]     |
[INFO] [stderr] 512 |           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:543:23
[INFO] [stderr]     |
[INFO] [stderr] 543 |           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: associated function is never used: `pop`
[INFO] [stderr]    --> src/cli.rs:201:6
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cli.rs:638:14
[INFO] [stderr]     |
[INFO] [stderr] 638 |           if (y < layers.len() - 1) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cli.rs:643:14
[INFO] [stderr]     |
[INFO] [stderr] 643 |           if (y > 0) {
[INFO] [stderr]     |              ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/cli.rs:493:11
[INFO] [stderr]     |
[INFO] [stderr] 493 |       _ | None => ()
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/cli.rs:492:23
[INFO] [stderr]     |
[INFO] [stderr] 492 |       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:512:23
[INFO] [stderr]     |
[INFO] [stderr] 512 |           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:543:23
[INFO] [stderr]     |
[INFO] [stderr] 543 |           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: `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: associated function is never used: `pop`
[INFO] [stderr]    --> src/cli.rs:201:6
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/utile_cli-c4eab94ca0e60006
[INFO] [stderr] Error opening terminal: unknown.
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] running `Command { std: "docker" "inspect" "1b7ac33eb180507635581fdc38ed63948568d621eee1a55e862ce3c14d4fc298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7ac33eb180507635581fdc38ed63948568d621eee1a55e862ce3c14d4fc298", kill_on_drop: false }`
[INFO] [stdout] 1b7ac33eb180507635581fdc38ed63948568d621eee1a55e862ce3c14d4fc298