[INFO] fetching crate scrollcast 0.1.0...
[INFO] checking scrollcast-0.1.0 against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] extracting crate scrollcast 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate scrollcast 0.1.0
[INFO] finished tweaking crates.io crate scrollcast 0.1.0
[INFO] tweaked toml for crates.io crate scrollcast 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scrollcast 0.1.0 on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scrollcast 0.1.0 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b
[INFO] running `Command { std: "docker" "start" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `is_file_header`
[INFO] [stdout]    --> src/renderer/pdf.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let is_file_header = line.starts_with("H3:") && (
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_file_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_file_header`
[INFO] [stdout]    --> src/renderer/pdf.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let is_file_header = line.starts_with("H3:") && (
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_file_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_file_header`
[INFO] [stdout]    --> src/renderer/pdf.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let is_file_header = line.starts_with("H3:") && (
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_file_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_file_header`
[INFO] [stdout]    --> src/renderer/pdf.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let is_file_header = line.starts_with("H3:") && (
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_file_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `include_toc` and `syntax_theme` are never read
[INFO] [stdout]   --> src/renderer/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DocumentMetadata {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub include_toc: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 17 |     pub syntax_theme: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DocumentMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `extension` is never used
[INFO] [stdout]   --> src/renderer/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl OutputFormat {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 73 |     pub fn extension(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `theme_set` and `current_theme` are never read
[INFO] [stdout]   --> src/syntax/highlighter.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct SyntaxHighlighter {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout]  8 |     syntax_set: SyntaxSet,
[INFO] [stdout]  9 |     theme_set: ThemeSet,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     current_theme: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_theme`, `highlight_lines`, `get_theme_background`, and `get_theme_foreground` are never used
[INFO] [stdout]    --> src/syntax/highlighter.rs:66:12
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl SyntaxHighlighter {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  66 |     pub fn set_theme(&mut self, theme_name: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn highlight_lines<'a>(&self, code: &'a str, language: Option<&str>) -> Vec<Vec<(Style, &'a str)>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn get_theme_background(&self) -> Option<(u8, u8, u8, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn get_theme_foreground(&self) -> Option<(u8, u8, u8, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_highlight` is never used
[INFO] [stdout]    --> src/syntax/highlighter.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn should_highlight(language: Option<&str>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `include_toc` and `syntax_theme` are never read
[INFO] [stdout]   --> src/renderer/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DocumentMetadata {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub include_toc: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 17 |     pub syntax_theme: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DocumentMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `extension` is never used
[INFO] [stdout]   --> src/renderer/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl OutputFormat {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 73 |     pub fn extension(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `theme_set` and `current_theme` are never read
[INFO] [stdout]   --> src/syntax/highlighter.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct SyntaxHighlighter {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout]  8 |     syntax_set: SyntaxSet,
[INFO] [stdout]  9 |     theme_set: ThemeSet,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     current_theme: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_theme`, `highlight_lines`, `get_theme_background`, and `get_theme_foreground` are never used
[INFO] [stdout]    --> src/syntax/highlighter.rs:66:12
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl SyntaxHighlighter {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  66 |     pub fn set_theme(&mut self, theme_name: &str) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn highlight_lines<'a>(&self, code: &'a str, language: Option<&str>) -> Vec<Vec<(Style, &'a str)>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn get_theme_background(&self) -> Option<(u8, u8, u8, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn get_theme_foreground(&self) -> Option<(u8, u8, u8, u8)> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_highlight` is never used
[INFO] [stdout]    --> src/syntax/highlighter.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn should_highlight(language: Option<&str>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: epub-builder v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b", kill_on_drop: false }`
[INFO] [stdout] a828a8d2c1fa9e788d87e8f1e2363b06c4e5536e1b8e34009e9141e6b6fb653b
