[INFO] crate owo 0.1.1 is already in cache
[INFO] extracting crate owo 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/owo/0.1.1
[INFO] extracting crate owo 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/owo/0.1.1
[INFO] validating manifest of owo-0.1.1 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 owo-0.1.1 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 owo-0.1.1
[INFO] finished frobbing owo-0.1.1
[INFO] frobbed toml for owo-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/owo/0.1.1/Cargo.toml
[INFO] started frobbing owo-0.1.1
[INFO] finished frobbing owo-0.1.1
[INFO] frobbed toml for owo-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/owo/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 owo-0.1.1 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/reg/owo/0.1.1:/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] af149c6483f2cac5954d6dc734c97d3c78926bcbd596f2cd6593af8664194846
[INFO] running `"docker" "start" "-a" "af149c6483f2cac5954d6dc734c97d3c78926bcbd596f2cd6593af8664194846"`
[INFO] [stderr]     Checking owo v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/lib.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 |     easy.url(&format!("{}", url )).unwrap();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `url.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/lib.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 |     easy.url(&format!("{}", url )).unwrap();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `url.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "af149c6483f2cac5954d6dc734c97d3c78926bcbd596f2cd6593af8664194846"`
[INFO] running `"docker" "rm" "-f" "af149c6483f2cac5954d6dc734c97d3c78926bcbd596f2cd6593af8664194846"`
[INFO] [stdout] af149c6483f2cac5954d6dc734c97d3c78926bcbd596f2cd6593af8664194846