[INFO] updating cached repository tanasinn/blog_os-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tanasinn/blog_os-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tanasinn/blog_os-tutorial" "work/ex/clippy-test-run/sources/stable/gh/tanasinn/blog_os-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tanasinn/blog_os-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tanasinn/blog_os-tutorial" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tanasinn/blog_os-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tanasinn/blog_os-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98aaffa45f0986dae7ced10c2059bc4925c07942
[INFO] sha for GitHub repo tanasinn/blog_os-tutorial: 98aaffa45f0986dae7ced10c2059bc4925c07942
[INFO] validating manifest of tanasinn/blog_os-tutorial 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 tanasinn/blog_os-tutorial 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 tanasinn/blog_os-tutorial
[INFO] finished frobbing tanasinn/blog_os-tutorial
[INFO] frobbed toml for tanasinn/blog_os-tutorial written to work/ex/clippy-test-run/sources/stable/gh/tanasinn/blog_os-tutorial/Cargo.toml
[INFO] started frobbing tanasinn/blog_os-tutorial
[INFO] finished frobbing tanasinn/blog_os-tutorial
[INFO] frobbed toml for tanasinn/blog_os-tutorial written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tanasinn/blog_os-tutorial/Cargo.toml
[INFO] crate tanasinn/blog_os-tutorial 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 tanasinn/blog_os-tutorial against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/tanasinn/blog_os-tutorial:/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] 2b694ef2c9a956748af2bfb12d397275bb42103eab824d82f7b03adecb8de836
[INFO] running `"docker" "start" "-a" "2b694ef2c9a956748af2bfb12d397275bb42103eab824d82f7b03adecb8de836"`
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking ux v0.1.2
[INFO] [stderr]     Checking os_bootinfo v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[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/usize_conversions-0.2.0/src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(i128_type)]
[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[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/usize_conversions-0.2.0/src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(i128_type)]
[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 `usize_conversions`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `usize_conversions`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2b694ef2c9a956748af2bfb12d397275bb42103eab824d82f7b03adecb8de836"`
[INFO] running `"docker" "rm" "-f" "2b694ef2c9a956748af2bfb12d397275bb42103eab824d82f7b03adecb8de836"`
[INFO] [stdout] 2b694ef2c9a956748af2bfb12d397275bb42103eab824d82f7b03adecb8de836