[INFO] cloning repository https://github.com/class-undefined/drf-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/class-undefined/drf-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclass-undefined%2Fdrf-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclass-undefined%2Fdrf-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8536a36366fbbe404573cb714b7e447843062d71
[INFO] checking class-undefined/drf-parser against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclass-undefined%2Fdrf-parser" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/class-undefined/drf-parser
[INFO] finished tweaking git repo https://github.com/class-undefined/drf-parser
[INFO] tweaked toml for git repo https://github.com/class-undefined/drf-parser written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/class-undefined/drf-parser on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/class-undefined/drf-parser 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "766a1fe9dc00068e56e69f764a8b2a72e371c3fb45110ef8a42300e48d1039c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766a1fe9dc00068e56e69f764a8b2a72e371c3fb45110ef8a42300e48d1039c8", kill_on_drop: false }`
[INFO] [stdout] 766a1fe9dc00068e56e69f764a8b2a72e371c3fb45110ef8a42300e48d1039c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4abda5d6a9ca83d093cbe7a8f0e19375e7298f985594d25fc2a0320e7fbe9e5
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[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.93
[INFO] [stderr]     Checking serde_json v1.0.1
[INFO] [stderr]     Checking drf-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[wasm_bindgen]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `wasm_bindgen` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = help: the attribute macro `wasm_bindgen` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]   = note: this warning originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[wasm_bindgen]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `wasm_bindgen` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = help: the attribute macro `wasm_bindgen` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]   = note: this warning originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `wasm_bindgen_unstable_test_coverage`
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[wasm_bindgen]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `wasm_bindgen` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `wasm_bindgen` may come from an old version of the `wasm_bindgen_macro` crate, try updating your dependency with `cargo update -p wasm_bindgen_macro`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/color.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/line_style.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl LineStyle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(name: String, width: u32, pattern: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/packet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Packet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/stipple.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Stipple {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]   --> src/core/parser/layermap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'a> LayerMapParser<BufReader<&'a [u8]>> {
[INFO] [stdout]    | -------------------------------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn from_string(content: &'a str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> src/core/ast/color.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Color {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_vec`, and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/color.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(name: String, r: u8, g: u8, b: u8, blink: bool) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn from_vec(params: &Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Drf` is never constructed
[INFO] [stdout]  --> src/core/ast/drf.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Drf {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/drf.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Drf {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LineStyle` is never constructed
[INFO] [stdout]  --> src/core/ast/line_style.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LineStyle {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_vec`, and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/line_style.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl LineStyle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(name: String, width: u32, pattern: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn from_vec(params: &Vec<String>, pattern: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Packet` is never constructed
[INFO] [stdout]  --> src/core/ast/packet.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Packet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_vec`, and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/packet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Packet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn from_vec(params: &Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stipple` is never constructed
[INFO] [stdout]  --> src/core/ast/stipple.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Stipple {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_vec`, and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/stipple.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Stipple {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(name: String, bitmap: Vec<Vec<u8>>, row: usize, col: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn from_vec(params: &Vec<String>, row: usize, bitmap: Vec<Vec<u8>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DrfParser` is never constructed
[INFO] [stdout]   --> src/core/parser/drf.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DrfParser<R: BufRead> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/core/parser/drf.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl DrfParser<BufReader<File>> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn from_path(filename: &str) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]   --> src/core/parser/drf.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> DrfParser<BufReader<&'a [u8]>> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn from_string(content: &'a str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_display`, `parse_color`, `parse_stipple`, `parse_linestyle`, `parse_packet`, and `parse` are never used
[INFO] [stdout]    --> src/core/parser/drf.rs:35:8
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<R: BufRead> DrfParser<R> {
[INFO] [stdout]     | ----------------------------- methods in this implementation
[INFO] [stdout]  35 |     fn parse_display(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     fn parse_color(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn parse_stipple(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn parse_linestyle(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn parse_packet(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn parse(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LayerMapParser` is never constructed
[INFO] [stdout]  --> src/core/parser/layermap.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct LayerMapParser<R: BufRead> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/core/parser/layermap.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl LayerMapParser<BufReader<File>> {
[INFO] [stdout]    | ------------------------------------ associated function in this implementation
[INFO] [stdout] 13 |     pub fn from_path(filename: &str) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/color.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]   --> src/core/parser/layermap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'a> LayerMapParser<BufReader<&'a [u8]>> {
[INFO] [stdout]    | -------------------------------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn from_string(content: &'a str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/drf.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Drf {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse` and `to_json` are never used
[INFO] [stdout]   --> src/core/parser/layermap.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<R: BufRead> LayerMapParser<R> {
[INFO] [stdout]    | ---------------------------------- methods in this implementation
[INFO] [stdout] 33 |     pub fn parse(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileStreamReader` is never constructed
[INFO] [stdout]  --> src/core/parser/reader.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FileStreamReader<R: BufRead> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/line_style.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl LineStyle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(name: String, width: u32, pattern: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/core/parser/reader.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl FileStreamReader<BufReader<File>> {
[INFO] [stdout]    | -------------------------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn from_path(filename: &str, comment_sign: Option<&'static str>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]   --> src/core/parser/reader.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> FileStreamReader<BufReader<&'a [u8]>> {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] 21 |     pub fn from_string(content: &'a str, comment_sign: Option<&'static str>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/packet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Packet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/stipple.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Stipple {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `next_word`, `peek_word`, `handle_stack`, and `is_stack_empty` are never used
[INFO] [stdout]    --> src/core/parser/reader.rs:30:12
[INFO] [stdout]     |
[INFO] [stdout]  26 | / impl<R> FileStreamReader<R>
[INFO] [stdout]  27 | | where
[INFO] [stdout]  28 | |     R: BufRead,
[INFO] [stdout]     | |_______________- associated items in this implementation
[INFO] [stdout]  29 |   {
[INFO] [stdout]  30 |       pub fn new(reader: R, comment_sign: Option<&'static str>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  40 |       pub fn next_word(&mut self) -> io::Result<Option<String>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |       pub fn peek_word(&mut self) -> io::Result<Option<&String>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn handle_stack(&mut self, word: &str) {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |       pub fn is_stack_empty(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/core/parser/drf.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl DrfParser<BufReader<File>> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn from_path(filename: &str) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/core/parser/layermap.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl LayerMapParser<BufReader<File>> {
[INFO] [stdout]    | ------------------------------------ associated function in this implementation
[INFO] [stdout] 13 |     pub fn from_path(filename: &str) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/parser/drf.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         file.read_to_string(&mut buffer);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let _ = file.read_to_string(&mut buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_path` is never used
[INFO] [stdout]   --> src/core/parser/reader.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl FileStreamReader<BufReader<File>> {
[INFO] [stdout]    | -------------------------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn from_path(filename: &str, comment_sign: Option<&'static str>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/parser/drf.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |         File::create("a.json").unwrap().write_all(s.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] 285 |         let _ = File::create("a.json").unwrap().write_all(s.as_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/color.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/line_style.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl LineStyle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(name: String, width: u32, pattern: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `to_json` are never used
[INFO] [stdout]   --> src/core/ast/packet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Packet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_json` is never used
[INFO] [stdout]   --> src/core/ast/stipple.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Stipple {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_json(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/parser/drf.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         file.read_to_string(&mut buffer);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let _ = file.read_to_string(&mut buffer);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/parser/drf.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 285 |         File::create("a.json").unwrap().write_all(s.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] 285 |         let _ = File::create("a.json").unwrap().write_all(s.as_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "f4abda5d6a9ca83d093cbe7a8f0e19375e7298f985594d25fc2a0320e7fbe9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4abda5d6a9ca83d093cbe7a8f0e19375e7298f985594d25fc2a0320e7fbe9e5", kill_on_drop: false }`
[INFO] [stdout] f4abda5d6a9ca83d093cbe7a8f0e19375e7298f985594d25fc2a0320e7fbe9e5
