[INFO] cloning repository https://github.com/jonasoberschweiber/open-epaper-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonasoberschweiber/open-epaper-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonasoberschweiber%2Fopen-epaper-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonasoberschweiber%2Fopen-epaper-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e715ec5050bfeb833e997c7e4b1aea05d4f25953
[INFO] checking jonasoberschweiber/open-epaper-gen against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonasoberschweiber%2Fopen-epaper-gen" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jonasoberschweiber/open-epaper-gen
[INFO] finished tweaking git repo https://github.com/jonasoberschweiber/open-epaper-gen
[INFO] tweaked toml for git repo https://github.com/jonasoberschweiber/open-epaper-gen written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonasoberschweiber/open-epaper-gen on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonasoberschweiber/open-epaper-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e141d3b5dc1b80a9ab73c4a3fd88a927b67bdf6d4b9be4325a22b8fb489c0838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e141d3b5dc1b80a9ab73c4a3fd88a927b67bdf6d4b9be4325a22b8fb489c0838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e141d3b5dc1b80a9ab73c4a3fd88a927b67bdf6d4b9be4325a22b8fb489c0838", kill_on_drop: false }`
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[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
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[INFO] [stderr]     Checking open-epaper-gen v0.1.0 (/opt/rustwide/workdir/open-epaper-gen)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]    --> open-epaper-gen/src/main.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | use log::{info, error};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]    --> open-epaper-gen/src/main.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | use log::{info, error};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `surface`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1182:26
[INFO] [stdout]      |
[INFO] [stdout] 1182 |         fn bounds(&self, surface: &Surface, suggested_bounds: Bounds) -> Bounds {
[INFO] [stdout]      |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_surface`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `suggested_bounds`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1182:45
[INFO] [stdout]      |
[INFO] [stdout] 1182 |         fn bounds(&self, surface: &Surface, suggested_bounds: Bounds) -> Bounds {
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_suggested_bounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `surface`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1186:24
[INFO] [stdout]      |
[INFO] [stdout] 1186 |         fn draw(&self, surface: &mut Surface, x: u32, y: u32, suggested_bounds: Bounds) {
[INFO] [stdout]      |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_surface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1223:13
[INFO] [stdout]      |
[INFO] [stdout] 1223 |         let mut vstack = VStack::new();
[INFO] [stdout]      |             ----^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1251:13
[INFO] [stdout]      |
[INFO] [stdout] 1251 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1264:13
[INFO] [stdout]      |
[INFO] [stdout] 1264 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1278:13
[INFO] [stdout]      |
[INFO] [stdout] 1278 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1292:13
[INFO] [stdout]      |
[INFO] [stdout] 1292 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1306:13
[INFO] [stdout]      |
[INFO] [stdout] 1306 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1307:13
[INFO] [stdout]      |
[INFO] [stdout] 1307 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1320:13
[INFO] [stdout]      |
[INFO] [stdout] 1320 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1321:13
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1334:13
[INFO] [stdout]      |
[INFO] [stdout] 1334 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1335:13
[INFO] [stdout]      |
[INFO] [stdout] 1335 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `none` is never used
[INFO] [stdout]   --> open-epaper-gen/src/modules.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ViewOptions {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 21 |     fn none() -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1349:13
[INFO] [stdout]      |
[INFO] [stdout] 1349 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1368:13
[INFO] [stdout]      |
[INFO] [stdout] 1368 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Center` and `Right` are never constructed
[INFO] [stdout]    --> open-epaper-gen/src/draw.rs:448:5
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub enum HAlign {
[INFO] [stdout]     |          ------ variants in this enum
[INFO] [stdout] 447 |     Left,
[INFO] [stdout] 448 |     Center,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 449 |     Right,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Center` is never constructed
[INFO] [stdout]    --> open-epaper-gen/src/draw.rs:656:5
[INFO] [stdout]     |
[INFO] [stdout] 654 | pub enum VAlign {
[INFO] [stdout]     |          ------ variant in this enum
[INFO] [stdout] 655 |     Top,
[INFO] [stdout] 656 |     Center,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1390:13
[INFO] [stdout]      |
[INFO] [stdout] 1390 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1411:13
[INFO] [stdout]      |
[INFO] [stdout] 1411 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1412:13
[INFO] [stdout]      |
[INFO] [stdout] 1412 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1412:13
[INFO] [stdout]      |
[INFO] [stdout] 1412 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1424:13
[INFO] [stdout]      |
[INFO] [stdout] 1424 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1425:13
[INFO] [stdout]      |
[INFO] [stdout] 1425 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1425:13
[INFO] [stdout]      |
[INFO] [stdout] 1425 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1436:13
[INFO] [stdout]      |
[INFO] [stdout] 1436 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1437:13
[INFO] [stdout]      |
[INFO] [stdout] 1437 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1437:13
[INFO] [stdout]      |
[INFO] [stdout] 1437 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1449:13
[INFO] [stdout]      |
[INFO] [stdout] 1449 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1492:13
[INFO] [stdout]      |
[INFO] [stdout] 1492 |         let mut hstack = HStack::new();
[INFO] [stdout]      |             ----^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1520:13
[INFO] [stdout]      |
[INFO] [stdout] 1520 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1533:13
[INFO] [stdout]      |
[INFO] [stdout] 1533 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1547:13
[INFO] [stdout]      |
[INFO] [stdout] 1547 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1561:13
[INFO] [stdout]      |
[INFO] [stdout] 1561 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1574:13
[INFO] [stdout]      |
[INFO] [stdout] 1574 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1575:13
[INFO] [stdout]      |
[INFO] [stdout] 1575 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1588:13
[INFO] [stdout]      |
[INFO] [stdout] 1588 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1589:13
[INFO] [stdout]      |
[INFO] [stdout] 1589 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1602:13
[INFO] [stdout]      |
[INFO] [stdout] 1602 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1603:13
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1617:13
[INFO] [stdout]      |
[INFO] [stdout] 1617 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1636:13
[INFO] [stdout]      |
[INFO] [stdout] 1636 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1658:13
[INFO] [stdout]      |
[INFO] [stdout] 1658 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1679:13
[INFO] [stdout]      |
[INFO] [stdout] 1679 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1680:13
[INFO] [stdout]      |
[INFO] [stdout] 1680 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1680:13
[INFO] [stdout]      |
[INFO] [stdout] 1680 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1692:13
[INFO] [stdout]      |
[INFO] [stdout] 1692 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1693:13
[INFO] [stdout]      |
[INFO] [stdout] 1693 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1693:13
[INFO] [stdout]      |
[INFO] [stdout] 1693 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1704:13
[INFO] [stdout]      |
[INFO] [stdout] 1704 |         let mut surface = Surface::new(500, 500).unwrap();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1705:13
[INFO] [stdout]      |
[INFO] [stdout] 1705 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1705:13
[INFO] [stdout]      |
[INFO] [stdout] 1705 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1717:13
[INFO] [stdout]      |
[INFO] [stdout] 1717 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1743:13
[INFO] [stdout]      |
[INFO] [stdout] 1743 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1796:13
[INFO] [stdout]      |
[INFO] [stdout] 1796 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1865:13
[INFO] [stdout]      |
[INFO] [stdout] 1865 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1895:13
[INFO] [stdout]      |
[INFO] [stdout] 1895 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1926:13
[INFO] [stdout]      |
[INFO] [stdout] 1926 |         let mut register = Rc::new(DrawingRegister::new());
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `none` is never used
[INFO] [stdout]   --> open-epaper-gen/src/modules.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ViewOptions {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 21 |     fn none() -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `was_drawn_with_bounds` is never used
[INFO] [stdout]     --> open-epaper-gen/src/draw.rs:1110:16
[INFO] [stdout]      |
[INFO] [stdout] 1089 |     impl DrawingRegister {
[INFO] [stdout]      |     -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1110 |         pub fn was_drawn_with_bounds(&self, view_id: u32, bounds: Bounds) -> bool {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "6ea380e6562fe9f3bd5232b3e67f87b227bb726324fbf870e219ced682d4122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea380e6562fe9f3bd5232b3e67f87b227bb726324fbf870e219ced682d4122b", kill_on_drop: false }`
[INFO] [stdout] 6ea380e6562fe9f3bd5232b3e67f87b227bb726324fbf870e219ced682d4122b
