[INFO] cloning repository https://github.com/spacekookie/spaces
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacekookie/spaces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fspaces", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fspaces'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a37e72cc44957b488d82a1574f74bab1c914387
[INFO] testing spacekookie/spaces against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fspaces" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spacekookie/spaces on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spacekookie/spaces
[INFO] finished tweaking git repo https://github.com/spacekookie/spaces
[INFO] tweaked toml for git repo https://github.com/spacekookie/spaces written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/spacekookie/spaces 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8064a36e6b754fbed69cbbcd9fdae81243348466a6fa142b791561ad3326a85a
[INFO] running `Command { std: "docker" "start" "-a" "8064a36e6b754fbed69cbbcd9fdae81243348466a6fa142b791561ad3326a85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8064a36e6b754fbed69cbbcd9fdae81243348466a6fa142b791561ad3326a85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8064a36e6b754fbed69cbbcd9fdae81243348466a6fa142b791561ad3326a85a", kill_on_drop: false }`
[INFO] [stdout] 8064a36e6b754fbed69cbbcd9fdae81243348466a6fa142b791561ad3326a85a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7700c5b03cf2afe883df423567d9e353723897707ac8d4fd73991c8c9d629329
[INFO] running `Command { std: "docker" "start" "-a" "7700c5b03cf2afe883df423567d9e353723897707ac8d4fd73991c8c9d629329", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.31
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling i3ipc v0.8.4
[INFO] [stderr]    Compiling spaces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/layout/rhombus.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |                         Gen::Index => (i + 1),
[INFO] [stdout]    |                                       ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -                         Gen::Index => (i + 1),
[INFO] [stdout] 20 +                         Gen::Index => i + 1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i3ipc::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use i3ipc::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/layout/rhombus.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for i in 0..=len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/layout.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn layout(&self, items: Vec<String>) -> Vec<Block> {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/workspaces.rs:13:47
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn set_workspace(conn: &mut I3Connection, name: &String) {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (x, _) = Rhombus::rel_position(i);
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]   --> src/layout.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Shape {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layout` is never constructed
[INFO] [stdout]   --> src/layout.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Layout {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/layout.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `layout` are never used
[INFO] [stdout]   --> src/layout.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Layout {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 36 |     /// Create a new Layout
[INFO] [stdout] 37 |     pub fn new(shape: Shape, offset: (i64, i64)) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn layout(&self, items: Vec<String>) -> Vec<Block> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `x` and `y` are never used
[INFO] [stdout]   --> src/layout/rhombus.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Rhombus {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn x(gen: u64, index: u64) -> i64 {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn y(index: u64) -> i64 {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_workspaces` is never used
[INFO] [stdout]  --> src/workspaces.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_workspaces(conn: &mut I3Connection) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_workspace` is never used
[INFO] [stdout]   --> src/workspaces.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn set_workspace(conn: &mut I3Connection, name: &String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "7700c5b03cf2afe883df423567d9e353723897707ac8d4fd73991c8c9d629329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7700c5b03cf2afe883df423567d9e353723897707ac8d4fd73991c8c9d629329", kill_on_drop: false }`
[INFO] [stdout] 7700c5b03cf2afe883df423567d9e353723897707ac8d4fd73991c8c9d629329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa56f0a899818b4fd19e5c75241bca7cc49d8d633abbdfdb1e5d9d4087b87c4a
[INFO] running `Command { std: "docker" "start" "-a" "fa56f0a899818b4fd19e5c75241bca7cc49d8d633abbdfdb1e5d9d4087b87c4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling spaces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/layout/rhombus.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |                         Gen::Index => (i + 1),
[INFO] [stdout]    |                                       ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -                         Gen::Index => (i + 1),
[INFO] [stdout] 20 +                         Gen::Index => i + 1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i3ipc::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use i3ipc::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/layout/rhombus.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for i in 0..=len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/layout.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn layout(&self, items: Vec<String>) -> Vec<Block> {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/workspaces.rs:13:47
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn set_workspace(conn: &mut I3Connection, name: &String) {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (x, _) = Rhombus::rel_position(i);
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]   --> src/layout.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Shape {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layout` is never constructed
[INFO] [stdout]   --> src/layout.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Layout {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/layout.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `layout` are never used
[INFO] [stdout]   --> src/layout.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Layout {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 36 |     /// Create a new Layout
[INFO] [stdout] 37 |     pub fn new(shape: Shape, offset: (i64, i64)) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn layout(&self, items: Vec<String>) -> Vec<Block> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `x` and `y` are never used
[INFO] [stdout]   --> src/layout/rhombus.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Rhombus {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn x(gen: u64, index: u64) -> i64 {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn y(index: u64) -> i64 {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_workspaces` is never used
[INFO] [stdout]  --> src/workspaces.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_workspaces(conn: &mut I3Connection) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_workspace` is never used
[INFO] [stdout]   --> src/workspaces.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn set_workspace(conn: &mut I3Connection, name: &String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "fa56f0a899818b4fd19e5c75241bca7cc49d8d633abbdfdb1e5d9d4087b87c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa56f0a899818b4fd19e5c75241bca7cc49d8d633abbdfdb1e5d9d4087b87c4a", kill_on_drop: false }`
[INFO] [stdout] fa56f0a899818b4fd19e5c75241bca7cc49d8d633abbdfdb1e5d9d4087b87c4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdf3f2196d5ce998182c723a7fa5853d91c72627a33c3ff6a2e278ce7eaa93e0
[INFO] running `Command { std: "docker" "start" "-a" "bdf3f2196d5ce998182c723a7fa5853d91c72627a33c3ff6a2e278ce7eaa93e0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/layout/rhombus.rs:20:39
[INFO] [stderr]    |
[INFO] [stderr] 20 |                         Gen::Index => (i + 1),
[INFO] [stderr]    |                                       ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 20 -                         Gen::Index => (i + 1),
[INFO] [stderr] 20 +                         Gen::Index => i + 1,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `i3ipc::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use i3ipc::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/layout/rhombus.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         for i in 0..=len {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]   --> src/layout.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn layout(&self, items: Vec<String>) -> Vec<Block> {
[INFO] [stderr]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/workspaces.rs:13:47
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn set_workspace(conn: &mut I3Connection, name: &String) {
[INFO] [stderr]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let (x, _) = Rhombus::rel_position(i);
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Shape` is never used
[INFO] [stderr]   --> src/layout.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Shape {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Layout` is never constructed
[INFO] [stderr]   --> src/layout.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Layout {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Block` is never constructed
[INFO] [stderr]   --> src/layout.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Block {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `layout` are never used
[INFO] [stderr]   --> src/layout.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl Layout {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 36 |     /// Create a new Layout
[INFO] [stderr] 37 |     pub fn new(shape: Shape, offset: (i64, i64)) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn layout(&self, items: Vec<String>) -> Vec<Block> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `x` and `y` are never used
[INFO] [stderr]   --> src/layout/rhombus.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Rhombus {
[INFO] [stderr]    | ------------ associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn x(gen: u64, index: u64) -> i64 {
[INFO] [stderr]    |        ^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn y(index: u64) -> i64 {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_workspaces` is never used
[INFO] [stderr]  --> src/workspaces.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_workspaces(conn: &mut I3Connection) -> Vec<String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_workspace` is never used
[INFO] [stderr]   --> src/workspaces.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn set_workspace(conn: &mut I3Connection, name: &String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spaces` (bin "spaces" test) generated 13 warnings (run `cargo fix --bin "spaces" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/spaces-bc4b3ab5766d2540)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test layout::rhombus::generations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdf3f2196d5ce998182c723a7fa5853d91c72627a33c3ff6a2e278ce7eaa93e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf3f2196d5ce998182c723a7fa5853d91c72627a33c3ff6a2e278ce7eaa93e0", kill_on_drop: false }`
[INFO] [stdout] bdf3f2196d5ce998182c723a7fa5853d91c72627a33c3ff6a2e278ce7eaa93e0