[INFO] cloning repository https://github.com/if-gc4/pdf_merger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/if-gc4/pdf_merger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-gc4%2Fpdf_merger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-gc4%2Fpdf_merger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88961dd447d809d18163d5c8490a56f90a161a98 [INFO] checking if-gc4/pdf_merger against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-gc4%2Fpdf_merger" "/workspace/builds/worker-66/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/if-gc4/pdf_merger on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/if-gc4/pdf_merger [INFO] finished tweaking git repo https://github.com/if-gc4/pdf_merger [INFO] tweaked toml for git repo https://github.com/if-gc4/pdf_merger written to /workspace/builds/worker-66/source/Cargo.toml [INFO] crate git repo https://github.com/if-gc4/pdf_merger already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.73 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.73 [INFO] [stderr] Downloaded const_fn v0.4.7 [INFO] [stderr] Downloaded pom v3.2.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.73 [INFO] [stderr] Downloaded lopdf v0.26.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.73 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 836e0dd73a0357bf06705c488a35a6a9b0d68fffb4e3c498fe4e63ecd6f71646 [INFO] running `Command { std: "docker" "start" "-a" "836e0dd73a0357bf06705c488a35a6a9b0d68fffb4e3c498fe4e63ecd6f71646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "836e0dd73a0357bf06705c488a35a6a9b0d68fffb4e3c498fe4e63ecd6f71646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "836e0dd73a0357bf06705c488a35a6a9b0d68fffb4e3c498fe4e63ecd6f71646", kill_on_drop: false }` [INFO] [stdout] 836e0dd73a0357bf06705c488a35a6a9b0d68fffb4e3c498fe4e63ecd6f71646 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91885e57c9786a3b8df0e6bc7e51949977d1fe266483f519196da1e0c0680580 [INFO] running `Command { std: "docker" "start" "-a" "91885e57c9786a3b8df0e6bc7e51949977d1fe266483f519196da1e0c0680580", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling const_fn v0.4.7 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking pom v3.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.26 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking lopdf v0.26.0 [INFO] [stderr] Checking pdfmerger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `lopdf::content::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use lopdf::content::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lopdf::content::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use lopdf::content::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut documents = documents.iter().map(|file| lopdf::Document::load(file).expect("Couldn't open file")); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 138 | result.save(outname); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut documents = documents.iter().map(|file| lopdf::Document::load(file).expect("Couldn't open file")); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 138 | result.save(outname); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.94s [INFO] running `Command { std: "docker" "inspect" "91885e57c9786a3b8df0e6bc7e51949977d1fe266483f519196da1e0c0680580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91885e57c9786a3b8df0e6bc7e51949977d1fe266483f519196da1e0c0680580", kill_on_drop: false }` [INFO] [stdout] 91885e57c9786a3b8df0e6bc7e51949977d1fe266483f519196da1e0c0680580