[INFO] cloning repository https://github.com/SunDoge/prettytoml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SunDoge/prettytoml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09210d808548a4b104c28f4de22ac50ad2d037fe
[INFO] testing SunDoge/prettytoml/09210d808548a4b104c28f4de22ac50ad2d037fe against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SunDoge/prettytoml on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SunDoge/prettytoml
[INFO] finished tweaking git repo https://github.com/SunDoge/prettytoml
[INFO] tweaked toml for git repo https://github.com/SunDoge/prettytoml written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SunDoge/prettytoml 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b267e26d8cba5c6df521f7a0ed9fc2b4b2de90095ff38b4334e0f8062ad5b3
[INFO] running `Command { std: "docker" "start" "-a" "f1b267e26d8cba5c6df521f7a0ed9fc2b4b2de90095ff38b4334e0f8062ad5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b267e26d8cba5c6df521f7a0ed9fc2b4b2de90095ff38b4334e0f8062ad5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b267e26d8cba5c6df521f7a0ed9fc2b4b2de90095ff38b4334e0f8062ad5b3", kill_on_drop: false }`
[INFO] [stdout] f1b267e26d8cba5c6df521f7a0ed9fc2b4b2de90095ff38b4334e0f8062ad5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f425b41d48046b9199fd386a3dfc5f5404ce1a8614f97fa2914c7a77a4725f
[INFO] running `Command { std: "docker" "start" "-a" "76f425b41d48046b9199fd386a3dfc5f5404ce1a8614f97fa2914c7a77a4725f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling prettytoml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]  --> src/parser/parser.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/parser/mod.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `toml_file_elements` is never used
[INFO] [stdout]  --> src/parser/parser.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head_index` and `tokens` are never read
[INFO] [stdout]  --> src/parser/tokenstream.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     head_index: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tokens: &'a Vec<Token>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `head`, `tail`, `offset`, `at_end`, and `len` are never used
[INFO] [stdout]   --> src/parser/tokenstream.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<'a> TokenStream<'a> {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Capture` is never constructed
[INFO] [stdout]  --> src/parser/recdesc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Capture<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `pending_tokens` are never used
[INFO] [stdout]   --> src/parser/recdesc.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<'a> Capture<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 8  |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `is_metadata` are never read
[INFO] [stdout]    --> src/tokens/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct TokenType {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 154 |     pub priority: u8,
[INFO] [stdout] 155 |     pub name: TokenTypeName,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 156 |     pub is_metadata: bool,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `col` and `row` are never read
[INFO] [stdout]    --> src/tokens/mod.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 186 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "76f425b41d48046b9199fd386a3dfc5f5404ce1a8614f97fa2914c7a77a4725f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f425b41d48046b9199fd386a3dfc5f5404ce1a8614f97fa2914c7a77a4725f", kill_on_drop: false }`
[INFO] [stdout] 76f425b41d48046b9199fd386a3dfc5f5404ce1a8614f97fa2914c7a77a4725f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 664ef4de1af58744a9825402bb7b224c30792c8e99dee9bfd2dc7c0271a6b8ea
[INFO] running `Command { std: "docker" "start" "-a" "664ef4de1af58744a9825402bb7b224c30792c8e99dee9bfd2dc7c0271a6b8ea", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]  --> src/parser/parser.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/parser/mod.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `toml_file_elements` is never used
[INFO] [stdout]  --> src/parser/parser.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head_index` and `tokens` are never read
[INFO] [stdout]  --> src/parser/tokenstream.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     head_index: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tokens: &'a Vec<Token>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `head`, `tail`, `offset`, `at_end`, and `len` are never used
[INFO] [stdout]   --> src/parser/tokenstream.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<'a> TokenStream<'a> {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Capture` is never constructed
[INFO] [stdout]  --> src/parser/recdesc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Capture<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `pending_tokens` are never used
[INFO] [stdout]   --> src/parser/recdesc.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<'a> Capture<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 8  |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `is_metadata` are never read
[INFO] [stdout]    --> src/tokens/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct TokenType {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 154 |     pub priority: u8,
[INFO] [stdout] 155 |     pub name: TokenTypeName,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 156 |     pub is_metadata: bool,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `col` and `row` are never read
[INFO] [stdout]    --> src/tokens/mod.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 186 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prettytoml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokens::*`
[INFO] [stdout]    --> src/lexer/mod.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use crate::tokens::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]  --> src/parser/parser.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/parser/mod.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `toml_file_elements` is never used
[INFO] [stdout]  --> src/parser/parser.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head_index` and `tokens` are never read
[INFO] [stdout]  --> src/parser/tokenstream.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     head_index: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tokens: &'a Vec<Token>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `head`, `tail`, `offset`, `at_end`, and `len` are never used
[INFO] [stdout]   --> src/parser/tokenstream.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<'a> TokenStream<'a> {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Capture` is never constructed
[INFO] [stdout]  --> src/parser/recdesc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Capture<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `pending_tokens` are never used
[INFO] [stdout]   --> src/parser/recdesc.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<'a> Capture<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 8  |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_metadata` is never read
[INFO] [stdout]    --> src/tokens/mod.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct TokenType {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub is_metadata: bool,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `col` and `row` are never read
[INFO] [stdout]    --> src/tokens/mod.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 186 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "664ef4de1af58744a9825402bb7b224c30792c8e99dee9bfd2dc7c0271a6b8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664ef4de1af58744a9825402bb7b224c30792c8e99dee9bfd2dc7c0271a6b8ea", kill_on_drop: false }`
[INFO] [stdout] 664ef4de1af58744a9825402bb7b224c30792c8e99dee9bfd2dc7c0271a6b8ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f92ca261e1383e453e29731fbc0475798d4095857817c39c87a6ace4e8871b1f
[INFO] running `Command { std: "docker" "start" "-a" "f92ca261e1383e453e29731fbc0475798d4095857817c39c87a6ace4e8871b1f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]  --> src/parser/parser.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stderr]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]   --> src/parser/mod.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: function `toml_file_elements` is never used
[INFO] [stderr]  --> src/parser/parser.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head_index` and `tokens` are never read
[INFO] [stderr]  --> src/parser/tokenstream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct TokenStream<'a> {
[INFO] [stderr]   |            ----------- fields in this struct
[INFO] [stderr] 5 |     head_index: usize,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 6 |     tokens: &'a Vec<Token>,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `head`, `tail`, `offset`, `at_end`, and `len` are never used
[INFO] [stderr]   --> src/parser/tokenstream.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl<'a> TokenStream<'a> {
[INFO] [stderr]    | ------------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn offset(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Capture` is never constructed
[INFO] [stderr]  --> src/parser/recdesc.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Capture<'a> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `pending_tokens` are never used
[INFO] [stderr]   --> src/parser/recdesc.rs:8:12
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl<'a> Capture<'a> {
[INFO] [stderr]    | -------------------- associated items in this implementation
[INFO] [stderr] 8  |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `is_metadata` are never read
[INFO] [stderr]    --> src/tokens/mod.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | pub struct TokenType {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 154 |     pub priority: u8,
[INFO] [stderr] 155 |     pub name: TokenTypeName,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 156 |     pub is_metadata: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `col` and `row` are never read
[INFO] [stderr]    --> src/tokens/mod.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 182 | pub struct Token {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 185 |     pub col: usize,
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 186 |     pub row: usize,
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tokens::*`
[INFO] [stderr]    --> src/lexer/mod.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use crate::tokens::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_metadata` is never read
[INFO] [stderr]    --> src/tokens/mod.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | pub struct TokenType {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 156 |     pub is_metadata: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `prettytoml` (lib) generated 9 warnings
[INFO] [stderr] warning: `prettytoml` (lib test) generated 10 warnings (8 duplicates) (run `cargo fix --lib -p prettytoml --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prettytoml-aed3920b17096745)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::tests::token_type_order ... ok
[INFO] [stdout] test lexer::tests::invalid_tokenizing ... ok
[INFO] [stdout] test lexer::tests::valid_tokenizing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prettytoml-9b3bbd12973f137f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prettytoml
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f92ca261e1383e453e29731fbc0475798d4095857817c39c87a6ace4e8871b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92ca261e1383e453e29731fbc0475798d4095857817c39c87a6ace4e8871b1f", kill_on_drop: false }`
[INFO] [stdout] f92ca261e1383e453e29731fbc0475798d4095857817c39c87a6ace4e8871b1f