[INFO] cloning repository https://github.com/Curt-White/virtual-printer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Curt-White/virtual-printer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurt-White%2Fvirtual-printer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurt-White%2Fvirtual-printer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a8cffc2e688e3c1fbed4686bc496af544fd08e2e [INFO] checking Curt-White/virtual-printer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurt-White%2Fvirtual-printer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Curt-White/virtual-printer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Curt-White/virtual-printer [INFO] finished tweaking git repo https://github.com/Curt-White/virtual-printer [INFO] tweaked toml for git repo https://github.com/Curt-White/virtual-printer written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Curt-White/virtual-printer 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7146011f90560f4233c2e3dc3856493608103aee9827679bab5e0563aee67ca9 [INFO] running `Command { std: "docker" "start" "-a" "7146011f90560f4233c2e3dc3856493608103aee9827679bab5e0563aee67ca9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7146011f90560f4233c2e3dc3856493608103aee9827679bab5e0563aee67ca9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7146011f90560f4233c2e3dc3856493608103aee9827679bab5e0563aee67ca9", kill_on_drop: false }` [INFO] [stdout] 7146011f90560f4233c2e3dc3856493608103aee9827679bab5e0563aee67ca9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2f49df3984f6ac4ecc45277556d437bdf9c98bd2bbb20454b14ff81406d434f [INFO] running `Command { std: "docker" "start" "-a" "c2f49df3984f6ac4ecc45277556d437bdf9c98bd2bbb20454b14ff81406d434f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking unicode-xid v0.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking parse_macro v0.1.0 (/opt/rustwide/workdir/parse_macro) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parse_macro/src/lib.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> parse_macro/src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | struct TokenType { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | pub value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parse_macro/src/lib.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> parse_macro/src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | struct TokenType { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | pub value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parse_macro/src/lib.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> parse_macro/src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | struct TokenType { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | pub value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking printer v0.1.0 (/opt/rustwide/workdir/printer) [INFO] [stdout] warning: unused import: `from_utf8` [INFO] [stdout] --> printer/src/content.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::str::{from_utf8, Utf8Error}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_utf8` [INFO] [stdout] --> printer/src/content.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::str::{from_utf8, Utf8Error}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> printer/src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | message: String::from(error.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> printer/src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | message: String::from(error.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func_id` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut func_id: u8 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `batch` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut batch = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:51:50 [INFO] [stdout] | [INFO] [stdout] 51 | fn de_multiplex_command(header: BitImageHeaders, printer: &mut Printer, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... bytes: &mut Vec) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let a = parse_store_raster_image_args(bytes)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:93:23 [INFO] [stdout] | [INFO] [stdout] 93 | fn store_raster_image(printer: &mut Printer, bytes: &mut Vec) -> Result<(), PrinterError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> printer/src/esc_pos/print.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | for i in 0..args.n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | 0x28 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_2_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | 0x38 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_4_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func_id` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut func_id: u8 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `batch` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut batch = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:51:50 [INFO] [stdout] | [INFO] [stdout] 51 | fn de_multiplex_command(header: BitImageHeaders, printer: &mut Printer, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... bytes: &mut Vec) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let a = parse_store_raster_image_args(bytes)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:93:23 [INFO] [stdout] | [INFO] [stdout] 93 | fn store_raster_image(printer: &mut Printer, bytes: &mut Vec) -> Result<(), PrinterError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> printer/src/formatter.rs:55:31 [INFO] [stdout] | [INFO] [stdout] 55 | fn format_text(&mut self, mut data: Text) { [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: unused variable: `data` [INFO] [stdout] --> printer/src/formatter.rs:75:32 [INFO] [stdout] | [INFO] [stdout] 75 | fn format_image(&mut self, data: Image) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pl`, `ph`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct BlockTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 15 | pub pl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 16 | pub ph: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 17 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1`, `p2`, `p3`, `p4`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 22 | struct BatchTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 23 | pub p1: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | pub p2: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 25 | pub p3: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | pub p4: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 27 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BatchTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 81 | struct StoreRasterImageArgs { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] 82 | tone: u8, // 'a' the tone of the graphics [INFO] [stdout] | ^^^^ [INFO] [stdout] 83 | bx: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 84 | by: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 85 | color: u8, // 'c' the color depending on printer [INFO] [stdout] | ^^^^^ [INFO] [stdout] 86 | xl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 87 | xh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 88 | yl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 89 | yh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 90 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreRasterImageArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TopLevelCommands` is never used [INFO] [stdout] --> printer/src/esc_pos/tree.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum TopLevelCommands { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `DeprecatedCommand` and `UnknownError` are never constructed [INFO] [stdout] --> printer/src/error.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Code { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 6 | DeprecatedCommand = 21, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | UnknownError = 100, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image_buffer` is never read [INFO] [stdout] --> printer/src/printer.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Printer { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | pub image_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `buffer_image` is never used [INFO] [stdout] --> printer/src/printer.rs:109:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl Printer { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 109 | pub fn buffer_image(&mut self, image: Image) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `data` are never read [INFO] [stdout] --> printer/src/content.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Image { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | height: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> printer/src/content.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Image { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn from(data: Vec, width: u16, height: u16) -> Image { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `append` is never used [INFO] [stdout] --> printer/src/content.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Text { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn append(&mut self, data: Vec) -> Result<(), Utf8Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `format_image` is never used [INFO] [stdout] --> printer/src/formatter.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Formatter { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn format_image(&mut self, data: Image); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Command` is never used [INFO] [stdout] --> printer/src/command.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | pub type Command = fn(bytes: &mut Vec) -> Result; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> printer/src/esc_pos/print.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | for i in 0..args.n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | val(&mut printer, &mut contents); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = val(&mut printer, &mut contents); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | file.write_all(data.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = file.write_all(data.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | 0x28 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_2_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/esc_pos/print_position.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | printer.set_justification(justification); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = printer.set_justification(justification); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | 0x38 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_4_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> printer/src/formatter.rs:55:31 [INFO] [stdout] | [INFO] [stdout] 55 | fn format_text(&mut self, mut data: Text) { [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: unused variable: `data` [INFO] [stdout] --> printer/src/formatter.rs:75:32 [INFO] [stdout] | [INFO] [stdout] 75 | fn format_image(&mut self, data: Image) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pl`, `ph`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct BlockTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 15 | pub pl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 16 | pub ph: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 17 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1`, `p2`, `p3`, `p4`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 22 | struct BatchTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 23 | pub p1: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | pub p2: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 25 | pub p3: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | pub p4: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 27 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BatchTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 81 | struct StoreRasterImageArgs { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] 82 | tone: u8, // 'a' the tone of the graphics [INFO] [stdout] | ^^^^ [INFO] [stdout] 83 | bx: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 84 | by: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 85 | color: u8, // 'c' the color depending on printer [INFO] [stdout] | ^^^^^ [INFO] [stdout] 86 | xl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 87 | xh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 88 | yl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 89 | yh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 90 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreRasterImageArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TopLevelCommands` is never used [INFO] [stdout] --> printer/src/esc_pos/tree.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum TopLevelCommands { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `DeprecatedCommand` and `UnknownError` are never constructed [INFO] [stdout] --> printer/src/error.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Code { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 6 | DeprecatedCommand = 21, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | UnknownError = 100, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image_buffer` is never read [INFO] [stdout] --> printer/src/printer.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Printer { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | pub image_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `buffer_image` is never used [INFO] [stdout] --> printer/src/printer.rs:109:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl Printer { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 109 | pub fn buffer_image(&mut self, image: Image) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `data` are never read [INFO] [stdout] --> printer/src/content.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Image { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | height: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> printer/src/content.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Image { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn from(data: Vec, width: u16, height: u16) -> Image { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `append` is never used [INFO] [stdout] --> printer/src/content.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Text { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn append(&mut self, data: Vec) -> Result<(), Utf8Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `format_image` is never used [INFO] [stdout] --> printer/src/formatter.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Formatter { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn format_image(&mut self, data: Image); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Command` is never used [INFO] [stdout] --> printer/src/command.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | pub type Command = fn(bytes: &mut Vec) -> Result; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | val(&mut printer, &mut contents); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = val(&mut printer, &mut contents); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | file.write_all(data.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = file.write_all(data.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/esc_pos/print_position.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | printer.set_justification(justification); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = printer.set_justification(justification); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s [INFO] running `Command { std: "docker" "inspect" "c2f49df3984f6ac4ecc45277556d437bdf9c98bd2bbb20454b14ff81406d434f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2f49df3984f6ac4ecc45277556d437bdf9c98bd2bbb20454b14ff81406d434f", kill_on_drop: false }` [INFO] [stdout] c2f49df3984f6ac4ecc45277556d437bdf9c98bd2bbb20454b14ff81406d434f [INFO] checking Curt-White/virtual-printer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurt-White%2Fvirtual-printer" "/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/Curt-White/virtual-printer on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Curt-White/virtual-printer [INFO] finished tweaking git repo https://github.com/Curt-White/virtual-printer [INFO] tweaked toml for git repo https://github.com/Curt-White/virtual-printer written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Curt-White/virtual-printer 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9999411422d1f6f4cd4f879e23e5d00edc43bf2ca086e8e105785f472ede7954 [INFO] running `Command { std: "docker" "start" "-a" "9999411422d1f6f4cd4f879e23e5d00edc43bf2ca086e8e105785f472ede7954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9999411422d1f6f4cd4f879e23e5d00edc43bf2ca086e8e105785f472ede7954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9999411422d1f6f4cd4f879e23e5d00edc43bf2ca086e8e105785f472ede7954", kill_on_drop: false }` [INFO] [stdout] 9999411422d1f6f4cd4f879e23e5d00edc43bf2ca086e8e105785f472ede7954 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28f4fac6b5a4fe8a605cff04b9de9ed8830af2b9ecde4678e8ae82ec53075e81 [INFO] running `Command { std: "docker" "start" "-a" "28f4fac6b5a4fe8a605cff04b9de9ed8830af2b9ecde4678e8ae82ec53075e81", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Checking unicode-xid v0.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking parse_macro v0.1.0 (/opt/rustwide/workdir/parse_macro) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parse_macro/src/lib.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parse_macro/src/lib.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> parse_macro/src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | struct TokenType { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | pub value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> parse_macro/src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | struct TokenType { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | pub value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> parse_macro/src/lib.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!( [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> parse_macro/src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | struct TokenType { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | pub value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking printer v0.1.0 (/opt/rustwide/workdir/printer) [INFO] [stdout] warning: unused import: `from_utf8` [INFO] [stdout] --> printer/src/content.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::str::{from_utf8, Utf8Error}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> printer/src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | message: String::from(error.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_utf8` [INFO] [stdout] --> printer/src/content.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::str::{from_utf8, Utf8Error}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func_id` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut func_id: u8 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `batch` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut batch = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:51:50 [INFO] [stdout] | [INFO] [stdout] 51 | fn de_multiplex_command(header: BitImageHeaders, printer: &mut Printer, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... bytes: &mut Vec) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let a = parse_store_raster_image_args(bytes)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:93:23 [INFO] [stdout] | [INFO] [stdout] 93 | fn store_raster_image(printer: &mut Printer, bytes: &mut Vec) -> Result<(), PrinterError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> printer/src/esc_pos/print.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | for i in 0..args.n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | 0x28 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_2_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | 0x38 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_4_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> printer/src/formatter.rs:55:31 [INFO] [stdout] | [INFO] [stdout] 55 | fn format_text(&mut self, mut data: Text) { [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: unused variable: `data` [INFO] [stdout] --> printer/src/formatter.rs:75:32 [INFO] [stdout] | [INFO] [stdout] 75 | fn format_image(&mut self, data: Image) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pl`, `ph`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct BlockTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 15 | pub pl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 16 | pub ph: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 17 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1`, `p2`, `p3`, `p4`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 22 | struct BatchTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 23 | pub p1: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | pub p2: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 25 | pub p3: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | pub p4: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 27 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BatchTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 81 | struct StoreRasterImageArgs { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] 82 | tone: u8, // 'a' the tone of the graphics [INFO] [stdout] | ^^^^ [INFO] [stdout] 83 | bx: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 84 | by: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 85 | color: u8, // 'c' the color depending on printer [INFO] [stdout] | ^^^^^ [INFO] [stdout] 86 | xl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 87 | xh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 88 | yl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 89 | yh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 90 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreRasterImageArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TopLevelCommands` is never used [INFO] [stdout] --> printer/src/esc_pos/tree.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum TopLevelCommands { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `DeprecatedCommand` and `UnknownError` are never constructed [INFO] [stdout] --> printer/src/error.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Code { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 6 | DeprecatedCommand = 21, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | UnknownError = 100, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image_buffer` is never read [INFO] [stdout] --> printer/src/printer.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Printer { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | pub image_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `buffer_image` is never used [INFO] [stdout] --> printer/src/printer.rs:109:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl Printer { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 109 | pub fn buffer_image(&mut self, image: Image) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `data` are never read [INFO] [stdout] --> printer/src/content.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Image { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | height: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> printer/src/content.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Image { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn from(data: Vec, width: u16, height: u16) -> Image { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `append` is never used [INFO] [stdout] --> printer/src/content.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Text { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn append(&mut self, data: Vec) -> Result<(), Utf8Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `format_image` is never used [INFO] [stdout] --> printer/src/formatter.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Formatter { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn format_image(&mut self, data: Image); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Command` is never used [INFO] [stdout] --> printer/src/command.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | pub type Command = fn(bytes: &mut Vec) -> Result; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | val(&mut printer, &mut contents); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = val(&mut printer, &mut contents); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | file.write_all(data.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = file.write_all(data.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/esc_pos/print_position.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | printer.set_justification(justification); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = printer.set_justification(justification); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> printer/src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | message: String::from(error.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let res = function(printer, bytes)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `func_id` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut func_id: u8 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `batch` is never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut batch = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:51:50 [INFO] [stdout] | [INFO] [stdout] 51 | fn de_multiplex_command(header: BitImageHeaders, printer: &mut Printer, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | ... bytes: &mut Vec) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let a = parse_store_raster_image_args(bytes)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `printer` [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:93:23 [INFO] [stdout] | [INFO] [stdout] 93 | fn store_raster_image(printer: &mut Printer, bytes: &mut Vec) -> Result<(), PrinterError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_printer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> printer/src/esc_pos/print.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | for i in 0..args.n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | 0x28 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_2_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> printer/src/esc_pos/tree.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | 0x38 => Query::SubQuery(|byte: u8| Ok(Query::Resource(bit_image::command_4_arg))), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> printer/src/formatter.rs:55:31 [INFO] [stdout] | [INFO] [stdout] 55 | fn format_text(&mut self, mut data: Text) { [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: unused variable: `data` [INFO] [stdout] --> printer/src/formatter.rs:75:32 [INFO] [stdout] | [INFO] [stdout] 75 | fn format_image(&mut self, data: Image) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pl`, `ph`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct BlockTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 15 | pub pl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 16 | pub ph: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 17 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1`, `p2`, `p3`, `p4`, and `m` are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 22 | struct BatchTransferHeader { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 23 | pub p1: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | pub p2: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 25 | pub p3: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | pub p4: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 27 | pub m: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `BatchTransferHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> printer/src/esc_pos/bit_image.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 81 | struct StoreRasterImageArgs { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] 82 | tone: u8, // 'a' the tone of the graphics [INFO] [stdout] | ^^^^ [INFO] [stdout] 83 | bx: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 84 | by: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 85 | color: u8, // 'c' the color depending on printer [INFO] [stdout] | ^^^^^ [INFO] [stdout] 86 | xl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 87 | xh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 88 | yl: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 89 | yh: u8, [INFO] [stdout] | ^^ [INFO] [stdout] 90 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreRasterImageArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TopLevelCommands` is never used [INFO] [stdout] --> printer/src/esc_pos/tree.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum TopLevelCommands { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `DeprecatedCommand` and `UnknownError` are never constructed [INFO] [stdout] --> printer/src/error.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Code { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 6 | DeprecatedCommand = 21, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | UnknownError = 100, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image_buffer` is never read [INFO] [stdout] --> printer/src/printer.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Printer { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | pub image_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `buffer_image` is never used [INFO] [stdout] --> printer/src/printer.rs:109:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl Printer { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 109 | pub fn buffer_image(&mut self, image: Image) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `data` are never read [INFO] [stdout] --> printer/src/content.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Image { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 5 | width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | height: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> printer/src/content.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Image { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn from(data: Vec, width: u16, height: u16) -> Image { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `append` is never used [INFO] [stdout] --> printer/src/content.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Text { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn append(&mut self, data: Vec) -> Result<(), Utf8Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `format_image` is never used [INFO] [stdout] --> printer/src/formatter.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Formatter { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn format_image(&mut self, data: Image); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Command` is never used [INFO] [stdout] --> printer/src/command.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | pub type Command = fn(bytes: &mut Vec) -> Result; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | val(&mut printer, &mut contents); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = val(&mut printer, &mut contents); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | file.write_all(data.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = file.write_all(data.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> printer/src/esc_pos/print_position.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | printer.set_justification(justification); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = printer.set_justification(justification); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.83s [INFO] running `Command { std: "docker" "inspect" "28f4fac6b5a4fe8a605cff04b9de9ed8830af2b9ecde4678e8ae82ec53075e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28f4fac6b5a4fe8a605cff04b9de9ed8830af2b9ecde4678e8ae82ec53075e81", kill_on_drop: false }` [INFO] [stdout] 28f4fac6b5a4fe8a605cff04b9de9ed8830af2b9ecde4678e8ae82ec53075e81