Dec 01 02:12:36.200 INFO testing sinitcin/poll_devices against 1.30.1 for beta-1.31-5
Dec 01 02:12:36.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 02:12:36.675 INFO [stdout] 6c74e3e919a0557550cf610f110f4a1324d74fcb45f8653936cb7b28fe561770
Dec 01 02:12:36.681 INFO running `"docker" "start" "-a" "6c74e3e919a0557550cf610f110f4a1324d74fcb45f8653936cb7b28fe561770"`
Dec 01 02:12:37.912 INFO [stderr] usermod: no changes
Dec 01 02:12:38.111 INFO [stderr]    Compiling libsqlite3-sys v0.9.3
Dec 01 02:12:38.115 INFO [stderr]    Compiling libconfig v0.1.0 (/source/libconfig)
Dec 01 02:12:38.139 INFO [stderr]    Compiling serde_json v1.0.27
Dec 01 02:12:43.651 INFO [stderr]    Compiling libengine v0.1.0 (/source/libengine)
Dec 01 02:12:44.363 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 02:12:44.363 INFO [stderr]  --> libengine/src/lib.rs:1:1
Dec 01 02:12:44.363 INFO [stderr]   |
Dec 01 02:12:44.363 INFO [stderr] 1 | #![feature(int_to_from_bytes)]
Dec 01 02:12:44.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:12:44.363 INFO [stderr] 
Dec 01 02:12:44.363 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 02:12:44.363 INFO [stderr]  --> libengine/src/lib.rs:2:1
Dec 01 02:12:44.363 INFO [stderr]   |
Dec 01 02:12:44.363 INFO [stderr] 2 | #![feature(map_get_key_value)]
Dec 01 02:12:44.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 02:12:44.363 INFO [stderr] 
Dec 01 02:12:44.363 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 02:12:44.363 INFO [stderr] 
Dec 01 02:12:44.364 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 02:12:44.364 INFO [stderr] error: Could not compile `libengine`.
Dec 01 02:12:44.364 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 02:12:49.035 INFO [stderr] error: build failed
Dec 01 02:12:49.036 INFO [stderr] su: No module specific data is present
Dec 01 02:12:49.555 INFO running `"docker" "inspect" "6c74e3e919a0557550cf610f110f4a1324d74fcb45f8653936cb7b28fe561770"`
Dec 01 02:12:49.733 INFO running `"docker" "rm" "-f" "6c74e3e919a0557550cf610f110f4a1324d74fcb45f8653936cb7b28fe561770"`
Dec 01 02:12:50.023 INFO [stdout] 6c74e3e919a0557550cf610f110f4a1324d74fcb45f8653936cb7b28fe561770
