[INFO] cloning repository https://github.com/ianhuezo/rust_room_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianhuezo/rust_room_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhuezo%2Frust_room_gen", kill_on_drop: false }`
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[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ianhuezo/rust_room_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianhuezo/rust_room_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhuezo%2Frust_room_gen", kill_on_drop: false }`
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[INFO] [stdout] 32cf57cc954b10033592a3d2006207a46ad5e2b0
[INFO] checking ianhuezo/rust_room_gen against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhuezo%2Frust_room_gen" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianhuezo/rust_room_gen on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianhuezo/rust_room_gen
[INFO] finished tweaking git repo https://github.com/ianhuezo/rust_room_gen
[INFO] tweaked toml for git repo https://github.com/ianhuezo/rust_room_gen written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ianhuezo/rust_room_gen 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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb497edc00c4897b11dc32beb733d6e9710046e251a17c57c1ccbff15bb59e6
[INFO] running `Command { std: "docker" "start" "-a" "3fb497edc00c4897b11dc32beb733d6e9710046e251a17c57c1ccbff15bb59e6", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "3fb497edc00c4897b11dc32beb733d6e9710046e251a17c57c1ccbff15bb59e6", kill_on_drop: false }`
[INFO] [stdout] 3fb497edc00c4897b11dc32beb733d6e9710046e251a17c57c1ccbff15bb59e6
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[INFO] [stdout] 373c2e8651467123fd4ca9467859f49c295578cb651f7fc8e1321cd3addef9d9
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[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling serde v1.0.115
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[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking serde-wasm-bindgen v0.1.3
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[INFO] [stderr]     Checking rust_room_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `structures::globals::Position`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use structures::globals::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structures::rooms::Room`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use structures::rooms::Room;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_value` and `to_value`
[INFO] [stdout]  --> src/lib.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_wasm_bindgen::{from_value, to_value};
[INFO] [stdout]   |                          ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JsCast`
[INFO] [stdout]   --> src/lib.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasm_bindgen::{JsCast, JsValue};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structures::globals::Position`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use structures::globals::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structures::rooms::Room`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use structures::rooms::Room;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_value` and `to_value`
[INFO] [stdout]  --> src/lib.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_wasm_bindgen::{from_value, to_value};
[INFO] [stdout]   |                          ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JsCast`
[INFO] [stdout]   --> src/lib.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasm_bindgen::{JsCast, JsValue};
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]   --> src/structures/universe.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         reference_cell: &Cell,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]    --> src/structures/universe.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         reference_cell: &Cell,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_char` is never used
[INFO] [stdout]   --> src/structures/cells.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 16 |     pub fn to_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scale_perimeter` is never used
[INFO] [stdout]   --> src/structures/globals.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl PositionRange {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 35 |     //scales the perimeter of the square so that all sides are basically reduced to the next inner sides
[INFO] [stdout] 36 |     pub fn scale_perimeter(&self, scale_factor: i64) -> PositionRange {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/structures/globals.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Size {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     pub fn new(width: i64, height: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_cells_txt` is never used
[INFO] [stdout]    --> src/structures/universe.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl Universe {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub fn create_cells_txt(&self, file_name: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 write!(file, "{} ", cell.to_char());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             write!(file, "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]   --> src/structures/universe.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         reference_cell: &Cell,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]    --> src/structures/universe.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         reference_cell: &Cell,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_char` is never used
[INFO] [stdout]   --> src/structures/cells.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 16 |     pub fn to_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scale_perimeter` is never used
[INFO] [stdout]   --> src/structures/globals.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl PositionRange {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 35 |     //scales the perimeter of the square so that all sides are basically reduced to the next inner sides
[INFO] [stdout] 36 |     pub fn scale_perimeter(&self, scale_factor: i64) -> PositionRange {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/structures/globals.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Size {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     pub fn new(width: i64, height: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_cells_txt` is never used
[INFO] [stdout]    --> src/structures/universe.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl Universe {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub fn create_cells_txt(&self, file_name: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 write!(file, "{} ", cell.to_char());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             write!(file, "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]   --> src/structures/universe.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         reference_cell: &Cell,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]    --> src/structures/universe.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         reference_cell: &Cell,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]   --> src/structures/universe.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         reference_cell: &Cell,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference_cell`
[INFO] [stdout]    --> src/structures/universe.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         reference_cell: &Cell,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scale_perimeter` is never used
[INFO] [stdout]   --> src/structures/globals.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl PositionRange {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 35 |     //scales the perimeter of the square so that all sides are basically reduced to the next inner sides
[INFO] [stdout] 36 |     pub fn scale_perimeter(&self, scale_factor: i64) -> PositionRange {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/structures/globals.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Size {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     pub fn new(width: i64, height: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scale_perimeter` is never used
[INFO] [stdout]   --> src/structures/globals.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl PositionRange {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 35 |     //scales the perimeter of the square so that all sides are basically reduced to the next inner sides
[INFO] [stdout] 36 |     pub fn scale_perimeter(&self, scale_factor: i64) -> PositionRange {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/structures/globals.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Size {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 58 |     pub fn new(width: i64, height: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 write!(file, "{} ", cell.to_char());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             write!(file, "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 write!(file, "{} ", cell.to_char());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/structures/universe.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             write!(file, "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.67
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "373c2e8651467123fd4ca9467859f49c295578cb651f7fc8e1321cd3addef9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373c2e8651467123fd4ca9467859f49c295578cb651f7fc8e1321cd3addef9d9", kill_on_drop: false }`
[INFO] [stdout] 373c2e8651467123fd4ca9467859f49c295578cb651f7fc8e1321cd3addef9d9
