[INFO] cloning repository https://github.com/JianquanWang/pdf-toolset
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JianquanWang/pdf-toolset" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJianquanWang%2Fpdf-toolset", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJianquanWang%2Fpdf-toolset'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3232f963389982b0c982805b00132bc8e078529
[INFO] checking JianquanWang/pdf-toolset against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJianquanWang%2Fpdf-toolset" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JianquanWang/pdf-toolset
[INFO] finished tweaking git repo https://github.com/JianquanWang/pdf-toolset
[INFO] tweaked toml for git repo https://github.com/JianquanWang/pdf-toolset written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JianquanWang/pdf-toolset on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JianquanWang/pdf-toolset 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" "+ff647322379c48947c196639599067665ff9eb88" "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-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5
[INFO] running `Command { std: "docker" "start" "0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5", 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" "0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5", 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" "0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling graphene-sys v0.19.8
[INFO] [stderr]    Compiling gsk4-sys v0.8.2
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[INFO] [stderr]     Checking pdf-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/backend.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let mut deg = ((_degrees % 360) + 360) % 360;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/backend.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let mut deg = ((_degrees % 360) + 360) % 360;
[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: `files_output_labels_for_recv`
[INFO] [stdout]    --> src/main.rs:722:13
[INFO] [stdout]     |
[INFO] [stdout] 722 |         let files_output_labels_for_recv = files_output_labels_for_run.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_output_labels_for_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PREVIEW_GENERATOR` should have a snake case name
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let PREVIEW_GENERATOR: Rc<RefCell<Option<std::boxed::Box<dyn Fn() + 'static>>>> = Rc::new(RefCell::new(None));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `preview_generator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `REBUILD_WORKPLACE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let REBUILD_WORKPLACE: Rc<RefCell<Option<std::boxed::Box<dyn Fn() + 'static>>>> = Rc::new(RefCell::new(None));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rebuild_workplace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files_output_labels_for_recv`
[INFO] [stdout]    --> src/main.rs:722:13
[INFO] [stdout]     |
[INFO] [stdout] 722 |         let files_output_labels_for_recv = files_output_labels_for_run.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_files_output_labels_for_recv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PREVIEW_GENERATOR` should have a snake case name
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let PREVIEW_GENERATOR: Rc<RefCell<Option<std::boxed::Box<dyn Fn() + 'static>>>> = Rc::new(RefCell::new(None));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `preview_generator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `REBUILD_WORKPLACE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let REBUILD_WORKPLACE: Rc<RefCell<Option<std::boxed::Box<dyn Fn() + 'static>>>> = Rc::new(RefCell::new(None));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rebuild_workplace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5", kill_on_drop: false }`
[INFO] [stdout] 0ac9e71916bfbfb857bfa1b8c53aada32e656f2e7455bf85b5259161ed6dcfb5