[INFO] cloning repository https://github.com/Kotaro7750/pdf_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kotaro7750/pdf_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKotaro7750%2Fpdf_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKotaro7750%2Fpdf_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 351b14fb1a3e18790b5fb6be47901df479137690
[INFO] testing Kotaro7750/pdf_parser/351b14fb1a3e18790b5fb6be47901df479137690 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKotaro7750%2Fpdf_parser" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kotaro7750/pdf_parser
[INFO] finished tweaking git repo https://github.com/Kotaro7750/pdf_parser
[INFO] tweaked toml for git repo https://github.com/Kotaro7750/pdf_parser written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kotaro7750/pdf_parser on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kotaro7750/pdf_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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb561ccdcf06f93accd627d22b2bb6187affca919506ae9afae8b945fd19d2ad
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[INFO] [stdout] 769d63801c39fe114b1a642bcb380417414ffa62ac3ee711fbb8ffcf5c28c1a1
[INFO] running `Command { std: "docker" "start" "-a" "769d63801c39fe114b1a642bcb380417414ffa62ac3ee711fbb8ffcf5c28c1a1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pdf_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/parser.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 let stream = match PdfStreamObj::new(obj, *offset) {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `trailer` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PDF<'a> {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     file: &'a mut File,
[INFO] [stdout] 19 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     trailer: trailer::Trailer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eol` is never constructed
[INFO] [stdout]   --> src/lexer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum TokenContent {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 42 |     Eol,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenContent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thumbnail` is never read
[INFO] [stdout]   --> src/page.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Page {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 29 |     page_number: usize,
[INFO] [stdout] 30 |     thumbnail: Option<object::PdfIndirectRef>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from_eol` is never used
[INFO] [stdout]   --> src/raw_byte.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn extract_from_eol(buffer: &[u8]) -> Option<&[u8]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from` is never used
[INFO] [stdout]    --> src/raw_byte.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn extract_from<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cut_after` is never used
[INFO] [stdout]    --> src/raw_byte.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn cut_after<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_tail_from` is never used
[INFO] [stdout]    --> src/raw_byte.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn extract_tail_from<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cut_tail_after` is never used
[INFO] [stdout]    --> src/raw_byte.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn cut_tail_after<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `xref_entry_num` is never read
[INFO] [stdout]   --> src/trailer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trailer {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     pub xref_start_offset: u64,
[INFO] [stdout] 13 |     xref_entry_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/object.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<String, Object> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<'_, String, Object> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut file = File::create(format!("{}-{}.jpg", page_number, image_number)).unwrap();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.61s
[INFO] running `Command { std: "docker" "inspect" "769d63801c39fe114b1a642bcb380417414ffa62ac3ee711fbb8ffcf5c28c1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769d63801c39fe114b1a642bcb380417414ffa62ac3ee711fbb8ffcf5c28c1a1", kill_on_drop: false }`
[INFO] [stdout] 769d63801c39fe114b1a642bcb380417414ffa62ac3ee711fbb8ffcf5c28c1a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c5b3ea49a8b04018f31a5df89d77185a8d77ca54631250d5d5909aa6e57019
[INFO] running `Command { std: "docker" "start" "-a" "84c5b3ea49a8b04018f31a5df89d77185a8d77ca54631250d5d5909aa6e57019", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/parser.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 let stream = match PdfStreamObj::new(obj, *offset) {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `trailer` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PDF<'a> {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     file: &'a mut File,
[INFO] [stdout] 19 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     trailer: trailer::Trailer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eol` is never constructed
[INFO] [stdout]   --> src/lexer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum TokenContent {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 42 |     Eol,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenContent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thumbnail` is never read
[INFO] [stdout]   --> src/page.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Page {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 29 |     page_number: usize,
[INFO] [stdout] 30 |     thumbnail: Option<object::PdfIndirectRef>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from_eol` is never used
[INFO] [stdout]   --> src/raw_byte.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn extract_from_eol(buffer: &[u8]) -> Option<&[u8]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from` is never used
[INFO] [stdout]    --> src/raw_byte.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn extract_from<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cut_after` is never used
[INFO] [stdout]    --> src/raw_byte.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn cut_after<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_tail_from` is never used
[INFO] [stdout]    --> src/raw_byte.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn extract_tail_from<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cut_tail_after` is never used
[INFO] [stdout]    --> src/raw_byte.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn cut_tail_after<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `xref_entry_num` is never read
[INFO] [stdout]   --> src/trailer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trailer {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     pub xref_start_offset: u64,
[INFO] [stdout] 13 |     xref_entry_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/object.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<String, Object> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<'_, String, Object> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pdf_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut file = File::create(format!("{}-{}.jpg", page_number, image_number)).unwrap();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/parser.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 let stream = match PdfStreamObj::new(obj, *offset) {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `trailer` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PDF<'a> {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     file: &'a mut File,
[INFO] [stdout] 19 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     trailer: trailer::Trailer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eol` is never constructed
[INFO] [stdout]   --> src/lexer.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum TokenContent {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 42 |     Eol,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenContent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thumbnail` is never read
[INFO] [stdout]   --> src/page.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Page {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 29 |     page_number: usize,
[INFO] [stdout] 30 |     thumbnail: Option<object::PdfIndirectRef>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_from_eol` is never used
[INFO] [stdout]   --> src/raw_byte.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn extract_from_eol(buffer: &[u8]) -> Option<&[u8]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `xref_entry_num` is never read
[INFO] [stdout]   --> src/trailer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trailer {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     pub xref_start_offset: u64,
[INFO] [stdout] 13 |     xref_entry_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/object.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<String, Object> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<'_, String, Object> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "84c5b3ea49a8b04018f31a5df89d77185a8d77ca54631250d5d5909aa6e57019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c5b3ea49a8b04018f31a5df89d77185a8d77ca54631250d5d5909aa6e57019", kill_on_drop: false }`
[INFO] [stdout] 84c5b3ea49a8b04018f31a5df89d77185a8d77ca54631250d5d5909aa6e57019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e176238047205bf415be9d9ef7cf5d299024ea0a75dd56497da7e415b9098464
[INFO] running `Command { std: "docker" "start" "-a" "e176238047205bf415be9d9ef7cf5d299024ea0a75dd56497da7e415b9098464", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]    --> src/parser.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 let stream = match PdfStreamObj::new(obj, *offset) {
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `trailer` are never read
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct PDF<'a> {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 18 |     file: &'a mut File,
[INFO] [stderr] 19 |     size: u64,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 20 |     trailer: trailer::Trailer,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Eol` is never constructed
[INFO] [stderr]   --> src/lexer.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub enum TokenContent {
[INFO] [stderr]    |          ------------ variant in this enum
[INFO] [stderr] 42 |     Eol,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenContent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `thumbnail` is never read
[INFO] [stderr]   --> src/page.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Page {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 29 |     page_number: usize,
[INFO] [stderr] 30 |     thumbnail: Option<object::PdfIndirectRef>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Page` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `extract_from_eol` is never used
[INFO] [stderr]   --> src/raw_byte.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn extract_from_eol(buffer: &[u8]) -> Option<&[u8]> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `extract_from` is never used
[INFO] [stderr]    --> src/raw_byte.rs:106:8
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn extract_from<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cut_after` is never used
[INFO] [stderr]    --> src/raw_byte.rs:130:8
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub fn cut_after<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `extract_tail_from` is never used
[INFO] [stderr]    --> src/raw_byte.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub fn extract_tail_from<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cut_tail_after` is never used
[INFO] [stderr]    --> src/raw_byte.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn cut_tail_after<'a>(buffer: &'a [u8], target: &[u8]) -> Option<&'a [u8]> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `xref_entry_num` is never read
[INFO] [stderr]   --> src/trailer.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Trailer {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 12 |     pub xref_start_offset: u64,
[INFO] [stderr] 13 |     xref_entry_num: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lexer.rs:228:24
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer {
[INFO] [stderr]     |                        ^^^^^ the lifetime is elided here   ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn new(buffer: &[u8], buffer_start_offset: u64) -> Lexer<'_> {
[INFO] [stderr]     |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/object.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<String, Object> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 455 |     pub fn iter(&self) -> std::collections::hash_map::Iter<'_, String, Object> {
[INFO] [stderr]     |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `pdf_parser` (lib) generated 12 warnings (run `cargo fix --lib -p pdf_parser` to apply 3 suggestions)
[INFO] [stderr] warning: `pdf_parser` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut file = File::create(format!("{}-{}.jpg", page_number, image_number)).unwrap();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pdf_parser` (bin "pdf_parser" test) generated 1 warning (run `cargo fix --bin "pdf_parser" -p pdf_parser --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pdf_parser-e7fb1cb626c6f48d)
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test lexer::test::tokenize_array ... ok
[INFO] [stdout] test lexer::test::tokenize_boolean_null ... ok
[INFO] [stdout] test lexer::test::tokenize_indirect_obj ... ok
[INFO] [stdout] test lexer::test::tokenize_indirect_ref_1 ... ok
[INFO] [stdout] test lexer::test::tokenize_hex_str ... ok
[INFO] [stdout] test lexer::test::tokenize_indirect_ref_2 ... ok
[INFO] [stdout] test lexer::test::tokenize_integer ... ok
[INFO] [stdout] test lexer::test::tokenize_name ... ok
[INFO] [stdout] test lexer::test::tokenize_space_eol ... ok
[INFO] [stdout] test lexer::test::tokenize_float ... ok
[INFO] [stdout] test lexer::test::tokenize_string ... ok
[INFO] [stdout] test parser::test::parse_array_1 ... ok
[INFO] [stdout] test parser::test::parse_boolean ... ok
[INFO] [stdout] test lexer::test::tokenize_comment ... ok
[INFO] [stdout] test parser::test::parse_dict_1 ... ok
[INFO] [stdout] test parser::test::parse_integer ... ok
[INFO] [stdout] test parser::test::parse_indirect_ref ... ok
[INFO] [stdout] test parser::test::parse_null ... ok
[INFO] [stdout] test raw_byte::test::cut_after_1 ... ok
[INFO] [stdout] test raw_byte::test::cut_after_2 ... ok
[INFO] [stdout] test raw_byte::test::cut_tail_after_1 ... ok
[INFO] [stdout] test raw_byte::test::cut_tail_after_2 ... ok
[INFO] [stdout] test raw_byte::test::cut_from_1 ... ok
[INFO] [stdout] test raw_byte::test::cut_tail_from_2 ... ok
[INFO] [stdout] test raw_byte::test::cut_tail_from_1 ... ok
[INFO] [stdout] test raw_byte::test::extract_after_1 ... ok
[INFO] [stdout] test raw_byte::test::extract_after_2 ... ok
[INFO] [stdout] test raw_byte::test::extract_after_eol_2 ... ok
[INFO] [stdout] test raw_byte::test::extract_tail_after_1 ... ok
[INFO] [stdout] test parser::test::parse_string_1 ... ok
[INFO] [stdout] test parser::test::parse_real ... ok
[INFO] [stdout] test raw_byte::test::extract_tail_after_2 ... ok
[INFO] [stdout] test raw_byte::test::extract_from_1 ... ok
[INFO] [stdout] test raw_byte::test::cut_from_2 ... ok
[INFO] [stdout] test raw_byte::test::first_match_index_2 ... ok
[INFO] [stdout] test raw_byte::test::extract_tail_from_1 ... ok
[INFO] [stdout] test raw_byte::test::extract_tail_from_2 ... ok
[INFO] [stdout] test raw_byte::test::first_match_index_1 ... ok
[INFO] [stdout] test raw_byte::test::extract_from_2 ... ok
[INFO] [stdout] test raw_byte::test::last_match_index_1 ... ok
[INFO] [stdout] test raw_byte::test::last_match_index_2 ... ok
[INFO] [stdout] test raw_byte::test::last_match_index_3 ... ok
[INFO] [stdout] test raw_byte::test::first_match_index_3 ... ok
[INFO] [stdout] test raw_byte::test::extract_after_eol_3 ... ok
[INFO] [stdout] test raw_byte::test::skip_eol_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 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/pdf_parser-33a4bbaf06d71d66)
[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 pdf_parser
[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" "e176238047205bf415be9d9ef7cf5d299024ea0a75dd56497da7e415b9098464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e176238047205bf415be9d9ef7cf5d299024ea0a75dd56497da7e415b9098464", kill_on_drop: false }`
[INFO] [stdout] e176238047205bf415be9d9ef7cf5d299024ea0a75dd56497da7e415b9098464
