[INFO] updating cached repository gereeter/csvsheet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gereeter/csvsheet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gereeter/csvsheet" "work/ex/clippy-test-run/sources/stable/gh/gereeter/csvsheet"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/gereeter/csvsheet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gereeter/csvsheet" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gereeter/csvsheet"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gereeter/csvsheet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fce4b1b9045b092ade04b5afe254facd2f27cd2
[INFO] sha for GitHub repo gereeter/csvsheet: 4fce4b1b9045b092ade04b5afe254facd2f27cd2
[INFO] validating manifest of gereeter/csvsheet 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 gereeter/csvsheet 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 gereeter/csvsheet
[INFO] finished frobbing gereeter/csvsheet
[INFO] frobbed toml for gereeter/csvsheet written to work/ex/clippy-test-run/sources/stable/gh/gereeter/csvsheet/Cargo.toml
[INFO] started frobbing gereeter/csvsheet
[INFO] finished frobbing gereeter/csvsheet
[INFO] frobbed toml for gereeter/csvsheet written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gereeter/csvsheet/Cargo.toml
[INFO] crate gereeter/csvsheet 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 gereeter/csvsheet 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/gereeter/csvsheet:/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] 86397060fd894e8460cf5245faa974366ec0f5adbaaa813c63602b7775f88c87
[INFO] running `"docker" "start" "-a" "86397060fd894e8460cf5245faa974366ec0f5adbaaa813c63602b7775f88c87"`
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking terminfo v0.6.1
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.7/lib.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `smallvec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "86397060fd894e8460cf5245faa974366ec0f5adbaaa813c63602b7775f88c87"`
[INFO] running `"docker" "rm" "-f" "86397060fd894e8460cf5245faa974366ec0f5adbaaa813c63602b7775f88c87"`
[INFO] [stdout] 86397060fd894e8460cf5245faa974366ec0f5adbaaa813c63602b7775f88c87