Sep 21 13:12:38.370 INFO checking automata-0.0.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 13:12:38.370 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 13:12:38.370 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 13:12:38.541 INFO blam! 9277c3116e01f099f278490d2258e813fc21ad29f01633f3d2fa6ab66a44d34c
Sep 21 13:12:38.541 INFO running `"docker" "start" "-a" "9277c3116e01f099f278490d2258e813fc21ad29f01633f3d2fa6ab66a44d34c"`
Sep 21 13:12:39.478 INFO kablam! usermod: no changes
Sep 21 13:12:39.503 INFO kablam!     Checking automata v0.0.2 (/source)
Sep 21 13:12:40.022 INFO kablam! error[E0635]: unknown feature `io`
Sep 21 13:12:40.022 INFO kablam!  --> src/lib.rs:1:12
Sep 21 13:12:40.022 INFO kablam!   |
Sep 21 13:12:40.022 INFO kablam! 1 | #![feature(io)]
Sep 21 13:12:40.022 INFO kablam!   |            ^^
Sep 21 13:12:40.022 INFO kablam! 
Sep 21 13:12:40.029 INFO kablam! error: aborting due to previous error
Sep 21 13:12:40.029 INFO kablam! 
Sep 21 13:12:40.029 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 13:12:40.037 INFO kablam! error: Could not compile `automata`.
Sep 21 13:12:40.037 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 13:12:40.178 INFO kablam! error[E0635]: unknown feature `io`
Sep 21 13:12:40.178 INFO kablam!  --> src/lib.rs:1:12
Sep 21 13:12:40.178 INFO kablam!   |
Sep 21 13:12:40.178 INFO kablam! 1 | #![feature(io)]
Sep 21 13:12:40.178 INFO kablam!   |            ^^
Sep 21 13:12:40.178 INFO kablam! 
Sep 21 13:12:40.185 INFO kablam! error: aborting due to previous error
Sep 21 13:12:40.185 INFO kablam! 
Sep 21 13:12:40.185 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 13:12:40.193 INFO kablam! error: Could not compile `automata`.
Sep 21 13:12:40.193 INFO kablam! 
Sep 21 13:12:40.193 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 13:12:40.193 INFO kablam! su: No module specific data is present
Sep 21 13:12:40.748 INFO running `"docker" "rm" "-f" "9277c3116e01f099f278490d2258e813fc21ad29f01633f3d2fa6ab66a44d34c"`
Sep 21 13:12:40.861 INFO blam! 9277c3116e01f099f278490d2258e813fc21ad29f01633f3d2fa6ab66a44d34c