Aug 18 01:53:36.085 INFO checking chainbuf-0.0.7 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 18 01:53:36.086 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 01:53:36.086 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 01:53:36.086 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-1/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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=500" "-e" "CMD=cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 01:53:36.388 INFO blam! dee8a7d7ff55b72d170bcdf9cfa6139e40f70b5d58287971cf7c31d71ed0a25c
Aug 18 01:53:36.390 INFO running `"docker" "start" "-a" "dee8a7d7ff55b72d170bcdf9cfa6139e40f70b5d58287971cf7c31d71ed0a25c"`
Aug 18 01:53:37.749 INFO kablam!     Checking chainbuf v0.0.7 (file:///source)
Aug 18 01:53:39.093 INFO kablam! error[E0635]: unknown feature `collections`
Aug 18 01:53:39.093 INFO kablam!  --> src/lib.rs:6:12
Aug 18 01:53:39.093 INFO kablam!   |
Aug 18 01:53:39.093 INFO kablam! 6 | #![feature(collections)]
Aug 18 01:53:39.093 INFO kablam!   |            ^^^^^^^^^^^
Aug 18 01:53:39.093 INFO kablam! 
Aug 18 01:53:39.132 INFO kablam! error: aborting due to previous error
Aug 18 01:53:39.132 INFO kablam! 
Aug 18 01:53:39.132 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 18 01:53:39.142 INFO kablam! error: Could not compile `chainbuf`.
Aug 18 01:53:39.146 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 18 01:53:39.359 INFO kablam! error[E0635]: unknown feature `collections`
Aug 18 01:53:39.359 INFO kablam!  --> src/lib.rs:6:12
Aug 18 01:53:39.359 INFO kablam!   |
Aug 18 01:53:39.359 INFO kablam! 6 | #![feature(collections)]
Aug 18 01:53:39.359 INFO kablam!   |            ^^^^^^^^^^^
Aug 18 01:53:39.359 INFO kablam! 
Aug 18 01:53:39.395 INFO kablam! error: aborting due to previous error
Aug 18 01:53:39.395 INFO kablam! 
Aug 18 01:53:39.395 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 18 01:53:39.407 INFO kablam! error: Could not compile `chainbuf`.
Aug 18 01:53:39.407 INFO kablam! 
Aug 18 01:53:39.407 INFO kablam! To learn more, run the command again with --verbose.
Aug 18 01:53:39.408 INFO kablam! su: No module specific data is present
Aug 18 01:53:40.042 INFO running `"docker" "rm" "-f" "dee8a7d7ff55b72d170bcdf9cfa6139e40f70b5d58287971cf7c31d71ed0a25c"`
Aug 18 01:53:40.232 INFO blam! dee8a7d7ff55b72d170bcdf9cfa6139e40f70b5d58287971cf7c31d71ed0a25c