[INFO] cloning repository https://github.com/Wollaston/pdf_exploration [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wollaston/pdf_exploration" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWollaston%2Fpdf_exploration", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWollaston%2Fpdf_exploration'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 01c2f91dc94259cf973a1d353d7dbe370c172d05 [INFO] checking Wollaston/pdf_exploration against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWollaston%2Fpdf_exploration" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Wollaston/pdf_exploration [INFO] finished tweaking git repo https://github.com/Wollaston/pdf_exploration [INFO] tweaked toml for git repo https://github.com/Wollaston/pdf_exploration written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Wollaston/pdf_exploration on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding nom v7.1.3 (available: v8.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2bb217d52ed92bd0fc90072e10aa9aa7ddbc4ff62a056ae681a65526ffb0b04 [INFO] running `Command { std: "docker" "start" "-a" "d2bb217d52ed92bd0fc90072e10aa9aa7ddbc4ff62a056ae681a65526ffb0b04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2bb217d52ed92bd0fc90072e10aa9aa7ddbc4ff62a056ae681a65526ffb0b04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2bb217d52ed92bd0fc90072e10aa9aa7ddbc4ff62a056ae681a65526ffb0b04", kill_on_drop: false }` [INFO] [stdout] d2bb217d52ed92bd0fc90072e10aa9aa7ddbc4ff62a056ae681a65526ffb0b04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5fca281a3a1eaa5514882f0cd485eb17ea6536d1b69dda888a70de77eb5e8dd [INFO] running `Command { std: "docker" "start" "-a" "c5fca281a3a1eaa5514882f0cd485eb17ea6536d1b69dda888a70de77eb5e8dd", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.8.1 [INFO] [stderr] Checking regex-automata v0.4.14 [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking bstr v1.12.1 [INFO] [stderr] Checking pdf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `terminated` [INFO] [stdout] --> src/api/read/trailer.rs:7:48 [INFO] [stdout] | [INFO] [stdout] 7 | use nom::sequence::{delimited, separated_pair, terminated, tuple}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IResult`, `branch::alt`, `bytes::complete::tag`, and `sequence::tuple` [INFO] [stdout] --> src/api/utils.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use nom::{branch::alt, bytes::complete::tag, sequence::tuple, IResult}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `terminated` [INFO] [stdout] --> src/api/read/trailer.rs:7:48 [INFO] [stdout] | [INFO] [stdout] 7 | use nom::sequence::{delimited, separated_pair, terminated, tuple}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IResult`, `branch::alt`, `bytes::complete::tag`, and `sequence::tuple` [INFO] [stdout] --> src/api/utils.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use nom::{branch::alt, bytes::complete::tag, sequence::tuple, IResult}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bstr::ByteSlice` [INFO] [stdout] --> src/api/read/header.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bstr::ByteSlice; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_active` [INFO] [stdout] --> src/api/read/cross_ref_table.rs:108:42 [INFO] [stdout] | [INFO] [stdout] 108 | |(byte_offset, _, gen_number, _, is_active, _, _)| SubsectionEntry { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_active` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/api/read/objects.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn read_objects(data: &[u8], objects: Vec<(usize, usize)>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_active` [INFO] [stdout] --> src/api/read/cross_ref_table.rs:108:42 [INFO] [stdout] | [INFO] [stdout] 108 | |(byte_offset, _, gen_number, _, is_active, _, _)| SubsectionEntry { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_active` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/api/read/objects.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn read_objects(data: &[u8], objects: Vec<(usize, usize)>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Character` is never used [INFO] [stdout] --> src/api/characters.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | trait Character { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CharacterClass` is never used [INFO] [stdout] --> src/api/characters.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum CharacterClass { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `WhiteSpaceCharacter` is never used [INFO] [stdout] --> src/api/characters.rs:35:6 [INFO] [stdout] | [INFO] [stdout] 35 | enum WhiteSpaceCharacter { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `PDF` is never constructed [INFO] [stdout] --> src/api/structure.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct PDF { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Body` is never constructed [INFO] [stdout] --> src/api/structure.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct Body { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Trailer` is never constructed [INFO] [stdout] --> src/api/structure.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub struct Trailer { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header`, `body`, `cross_ref_table`, and `trailer` are never read [INFO] [stdout] --> src/api/structure.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct PDF { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 34 | header: Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 35 | body: Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] 36 | cross_ref_table: CrossRefTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 37 | trailer: Trailer, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PDF` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `objects` is never read [INFO] [stdout] --> src/api/structure.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct Body { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 71 | objects: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Body` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `entries` is never read [INFO] [stdout] --> src/api/structure.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 101 | pub struct Trailer { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 102 | entries: Vec<(TrailerKey, String)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | header::read_header(&data); [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] 54 | let _ = header::read_header(&data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | cross_ref_table::read_cross_ref_table(&data, xref_offset[0]); [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] 55 | let _ = cross_ref_table::read_cross_ref_table(&data, xref_offset[0]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | trailer::read_trailer(&data, trailer_offset[0]); [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] 56 | let _ = trailer::read_trailer(&data, trailer_offset[0]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pdf` (lib) due to 3 previous errors; 14 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: methods `name` and `decimal` are never used [INFO] [stdout] --> src/api/characters.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | trait Character { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] 15 | fn name(&self) -> &'static str; [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | fn decimal(&self) -> i32; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Regular` and `Delimiter` are never constructed [INFO] [stdout] --> src/api/characters.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | enum CharacterClass { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 27 | Regular, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 28 | Delimiter, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CharacterClass` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `HorizontalTab`, `LineFeed`, `FormFeed`, `CarriageReturn`, and `Space` are never constructed [INFO] [stdout] --> src/api/characters.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 35 | enum WhiteSpaceCharacter { [INFO] [stdout] | ------------------- variants in this enum [INFO] [stdout] 36 | Null, [INFO] [stdout] 37 | HorizontalTab, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 38 | LineFeed, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 39 | FormFeed, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 40 | CarriageReturn, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 41 | Space, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WhiteSpaceCharacter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `PDF` is never constructed [INFO] [stdout] --> src/api/structure.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct PDF { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Body` is never constructed [INFO] [stdout] --> src/api/structure.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct Body { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Trailer` is never constructed [INFO] [stdout] --> src/api/structure.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub struct Trailer { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header`, `body`, `cross_ref_table`, and `trailer` are never read [INFO] [stdout] --> src/api/structure.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct PDF { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 34 | header: Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 35 | body: Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] 36 | cross_ref_table: CrossRefTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 37 | trailer: Trailer, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PDF` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `objects` is never read [INFO] [stdout] --> src/api/structure.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct Body { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 71 | objects: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Body` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `entries` is never read [INFO] [stdout] --> src/api/structure.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 101 | pub struct Trailer { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 102 | entries: Vec<(TrailerKey, String)>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Trailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | header::read_header(&data); [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] 54 | let _ = header::read_header(&data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | cross_ref_table::read_cross_ref_table(&data, xref_offset[0]); [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] 55 | let _ = cross_ref_table::read_cross_ref_table(&data, xref_offset[0]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | trailer::read_trailer(&data, trailer_offset[0]); [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] 56 | let _ = trailer::read_trailer(&data, trailer_offset[0]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api/read.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | read_file("HelloWorld.pdf"); [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] 70 | let _ = read_file("HelloWorld.pdf"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pdf` (lib test) due to 3 previous errors; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c5fca281a3a1eaa5514882f0cd485eb17ea6536d1b69dda888a70de77eb5e8dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5fca281a3a1eaa5514882f0cd485eb17ea6536d1b69dda888a70de77eb5e8dd", kill_on_drop: false }` [INFO] [stdout] c5fca281a3a1eaa5514882f0cd485eb17ea6536d1b69dda888a70de77eb5e8dd