Sep 10 12:27:46.169 INFO checking qcollect-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:27:46.169 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:27:46.169 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:27:46.383 INFO blam! 6ad1bf2f006f707b2d2c05a144af2412baabf619de7b19ec7aa08a5a2ca73eb7
Sep 10 12:27:46.385 INFO running `"docker" "start" "-a" "6ad1bf2f006f707b2d2c05a144af2412baabf619de7b19ec7aa08a5a2ca73eb7"`
Sep 10 12:27:47.082 INFO kablam! usermod: no changes
Sep 10 12:27:47.140 INFO kablam!     Checking vec_map v0.3.0
Sep 10 12:27:47.142 INFO kablam!     Checking raw-vec v0.1.0
Sep 10 12:27:47.222 INFO kablam! error[E0557]: feature has been removed
Sep 10 12:27:47.222 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-vec-0.1.0/src/lib.rs:11:16
Sep 10 12:27:47.222 INFO kablam!    |
Sep 10 12:27:47.222 INFO kablam! 11 | #![feature(rt, unsafe_no_drop_flag, unique, heap_api, box_raw, filling_drop)]
Sep 10 12:27:47.222 INFO kablam!    |                ^^^^^^^^^^^^^^^^^^^
Sep 10 12:27:47.222 INFO kablam! 
Sep 10 12:27:47.434 INFO kablam! error[E0658]: The attribute `unsafe_no_drop_flag` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 12:27:47.434 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-vec-0.1.0/src/lib.rs:46:3
Sep 10 12:27:47.434 INFO kablam!    |
Sep 10 12:27:47.434 INFO kablam! 46 | #[unsafe_no_drop_flag]
Sep 10 12:27:47.434 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^
Sep 10 12:27:47.434 INFO kablam!    |
Sep 10 12:27:47.434 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 12:27:47.434 INFO kablam! 
Sep 10 12:27:47.434 INFO kablam! error: aborting due to 2 previous errors
Sep 10 12:27:47.434 INFO kablam! 
Sep 10 12:27:47.434 INFO kablam! Some errors occurred: E0557, E0658.
Sep 10 12:27:47.434 INFO kablam! For more information about an error, try `rustc --explain E0557`.
Sep 10 12:27:47.446 INFO kablam! error: Could not compile `raw-vec`.
Sep 10 12:27:47.446 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 12:27:47.706 INFO kablam! error: build failed
Sep 10 12:27:47.708 INFO kablam! su: No module specific data is present
Sep 10 12:27:48.639 INFO running `"docker" "rm" "-f" "6ad1bf2f006f707b2d2c05a144af2412baabf619de7b19ec7aa08a5a2ca73eb7"`
Sep 10 12:27:48.777 INFO blam! 6ad1bf2f006f707b2d2c05a144af2412baabf619de7b19ec7aa08a5a2ca73eb7