[INFO] updating cached repository pkgw/serenv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pkgw/serenv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pkgw/serenv" "work/ex/clippy-test-run/sources/stable/gh/pkgw/serenv"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pkgw/serenv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pkgw/serenv" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pkgw/serenv"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pkgw/serenv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a814e24ce872761a6092eb726d9ffce36694e3e3
[INFO] sha for GitHub repo pkgw/serenv: a814e24ce872761a6092eb726d9ffce36694e3e3
[INFO] validating manifest of pkgw/serenv 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 pkgw/serenv 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 pkgw/serenv
[INFO] finished frobbing pkgw/serenv
[INFO] frobbed toml for pkgw/serenv written to work/ex/clippy-test-run/sources/stable/gh/pkgw/serenv/Cargo.toml
[INFO] started frobbing pkgw/serenv
[INFO] finished frobbing pkgw/serenv
[INFO] frobbed toml for pkgw/serenv written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pkgw/serenv/Cargo.toml
[INFO] crate pkgw/serenv 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 pkgw/serenv against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/pkgw/serenv:/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] 026897466e8c4bbe17b10d56b9612f08670d73d380e05d293d8876785f8cc70e
[INFO] running `"docker" "start" "-a" "026897466e8c4bbe17b10d56b9612f08670d73d380e05d293d8876785f8cc70e"`
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking serenv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[macro_use] extern crate structopt;
[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:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[macro_use] extern crate structopt;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `"docker" "inspect" "026897466e8c4bbe17b10d56b9612f08670d73d380e05d293d8876785f8cc70e"`
[INFO] running `"docker" "rm" "-f" "026897466e8c4bbe17b10d56b9612f08670d73d380e05d293d8876785f8cc70e"`
[INFO] [stdout] 026897466e8c4bbe17b10d56b9612f08670d73d380e05d293d8876785f8cc70e