Aug 11 17:58:32.691 INFO checking chainbuf-0.0.7 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 17:58:32.691 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 17:58:32.691 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 17:58:32.691 INFO running `"docker" "create" "-v" "/tmp/crater.5OV2ag4yYDtb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 17:58:33.191 INFO blam! 3921adff7137fb757b6b4082ae26f04b90cd676eeeebd9a2b936d3e49191667a
Aug 11 17:58:33.193 INFO running `"docker" "start" "-a" "3921adff7137fb757b6b4082ae26f04b90cd676eeeebd9a2b936d3e49191667a"`
Aug 11 17:58:34.595 INFO kablam!     Checking chainbuf v0.0.7 (file:///source)
Aug 11 17:58:35.947 INFO kablam! error[E0635]: unknown feature `collections`
Aug 11 17:58:35.947 INFO kablam!  --> src/lib.rs:6:12
Aug 11 17:58:35.947 INFO kablam!   |
Aug 11 17:58:35.947 INFO kablam! 6 | #![feature(collections)]
Aug 11 17:58:35.947 INFO kablam!   |            ^^^^^^^^^^^
Aug 11 17:58:35.948 INFO kablam! 
Aug 11 17:58:35.998 INFO kablam! error: aborting due to previous error
Aug 11 17:58:35.998 INFO kablam! 
Aug 11 17:58:35.999 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 17:58:36.013 INFO kablam! error: Could not compile `chainbuf`.
Aug 11 17:58:36.013 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 17:58:36.206 INFO kablam! error[E0635]: unknown feature `collections`
Aug 11 17:58:36.206 INFO kablam!  --> src/lib.rs:6:12
Aug 11 17:58:36.206 INFO kablam!   |
Aug 11 17:58:36.206 INFO kablam! 6 | #![feature(collections)]
Aug 11 17:58:36.206 INFO kablam!   |            ^^^^^^^^^^^
Aug 11 17:58:36.206 INFO kablam! 
Aug 11 17:58:36.229 INFO kablam! error: aborting due to previous error
Aug 11 17:58:36.229 INFO kablam! 
Aug 11 17:58:36.229 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 17:58:36.262 INFO kablam! error: Could not compile `chainbuf`.
Aug 11 17:58:36.262 INFO kablam! 
Aug 11 17:58:36.262 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 17:58:36.263 INFO kablam! su: No module specific data is present
Aug 11 17:58:36.882 INFO running `"docker" "rm" "-f" "3921adff7137fb757b6b4082ae26f04b90cd676eeeebd9a2b936d3e49191667a"`
Aug 11 17:58:37.036 INFO blam! 3921adff7137fb757b6b4082ae26f04b90cd676eeeebd9a2b936d3e49191667a