[INFO] updating cached repository wayslog/lingo-proxy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wayslog/lingo-proxy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wayslog/lingo-proxy" "work/ex/clippy-test-run/sources/stable/gh/wayslog/lingo-proxy"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/wayslog/lingo-proxy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wayslog/lingo-proxy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wayslog/lingo-proxy"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wayslog/lingo-proxy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 08a33cc0f5e5afacd07d1219e1b91df94c8d31b7 [INFO] sha for GitHub repo wayslog/lingo-proxy: 08a33cc0f5e5afacd07d1219e1b91df94c8d31b7 [INFO] validating manifest of wayslog/lingo-proxy 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 wayslog/lingo-proxy 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 wayslog/lingo-proxy [INFO] finished frobbing wayslog/lingo-proxy [INFO] frobbed toml for wayslog/lingo-proxy written to work/ex/clippy-test-run/sources/stable/gh/wayslog/lingo-proxy/Cargo.toml [INFO] started frobbing wayslog/lingo-proxy [INFO] finished frobbing wayslog/lingo-proxy [INFO] frobbed toml for wayslog/lingo-proxy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wayslog/lingo-proxy/Cargo.toml [INFO] crate wayslog/lingo-proxy 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 wayslog/lingo-proxy 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/wayslog/lingo-proxy:/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] 69cf218c2207c418d1f6046a5e0c4b887d1a4fb6aac68603eeccce152d26ccf5 [INFO] running `"docker" "start" "-a" "69cf218c2207c418d1f6046a5e0c4b887d1a4fb6aac68603eeccce152d26ccf5"` [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling quote v0.3.10 [INFO] [stderr] Checking serde v0.8.20 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num_cpus v1.2.0 [INFO] [stderr] Checking net2 v0.2.26 [INFO] [stderr] Checking futures v0.1.7 [INFO] [stderr] Compiling nix v0.7.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Compiling syn v0.10.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Compiling serde_codegen_internals v0.11.2 [INFO] [stderr] Checking mio v0.6.2 [INFO] [stderr] Compiling serde_codegen v0.8.20 [INFO] [stderr] Checking tokio-core v0.1.2 [INFO] [stderr] Checking serde_json v0.8.4 [INFO] [stderr] Compiling serde_derive v0.8.20 [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/serde_derive-0.8.20/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro, proc_macro_lib)] [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 `serde_derive`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "69cf218c2207c418d1f6046a5e0c4b887d1a4fb6aac68603eeccce152d26ccf5"` [INFO] running `"docker" "rm" "-f" "69cf218c2207c418d1f6046a5e0c4b887d1a4fb6aac68603eeccce152d26ccf5"` [INFO] [stdout] 69cf218c2207c418d1f6046a5e0c4b887d1a4fb6aac68603eeccce152d26ccf5