[INFO] updating cached repository scrogson/jwt-gen [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/scrogson/jwt-gen [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/jwt-gen" "work/ex/clippy-test-run/sources/stable/gh/scrogson/jwt-gen"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/scrogson/jwt-gen'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/jwt-gen" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scrogson/jwt-gen"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scrogson/jwt-gen'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7bb301930747f15d559d4fc8549c2fb62eb6ad4e [INFO] sha for GitHub repo scrogson/jwt-gen: 7bb301930747f15d559d4fc8549c2fb62eb6ad4e [INFO] validating manifest of scrogson/jwt-gen on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of scrogson/jwt-gen on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing scrogson/jwt-gen [INFO] finished frobbing scrogson/jwt-gen [INFO] frobbed toml for scrogson/jwt-gen written to work/ex/clippy-test-run/sources/stable/gh/scrogson/jwt-gen/Cargo.toml [INFO] started frobbing scrogson/jwt-gen [INFO] finished frobbing scrogson/jwt-gen [INFO] frobbed toml for scrogson/jwt-gen written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scrogson/jwt-gen/Cargo.toml [INFO] crate scrogson/jwt-gen has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting scrogson/jwt-gen against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/scrogson/jwt-gen:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2b1b48e5316d2f421d2aee1b44090b832757e07bace3c263a31238f2ad7cb8cf [INFO] running `"docker" "start" "-a" "2b1b48e5316d2f421d2aee1b44090b832757e07bace3c263a31238f2ad7cb8cf"` [INFO] [stderr] Compiling proc-macro2 v0.4.15 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling openssl-sys v0.9.35 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking uuid v0.4.0 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling serde_derive v1.0.75 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking rustwt v1.0.1 [INFO] [stderr] Checking jwt v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: redundant closure found [INFO] [stderr] --> src/main.rs:128:27 [INFO] [stderr] | [INFO] [stderr] 128 | .and_then(|path| fs::read_to_string(path)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `fs::read_to_string` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_closure)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure [INFO] [stderr] [INFO] [stderr] warning: redundant closure found [INFO] [stderr] --> src/main.rs:128:27 [INFO] [stderr] | [INFO] [stderr] 128 | .and_then(|path| fs::read_to_string(path)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `fs::read_to_string` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_closure)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.64s [INFO] running `"docker" "inspect" "2b1b48e5316d2f421d2aee1b44090b832757e07bace3c263a31238f2ad7cb8cf"` [INFO] running `"docker" "rm" "-f" "2b1b48e5316d2f421d2aee1b44090b832757e07bace3c263a31238f2ad7cb8cf"` [INFO] [stdout] 2b1b48e5316d2f421d2aee1b44090b832757e07bace3c263a31238f2ad7cb8cf