Sep 10 22:32:53.640 INFO checking atomic_cell-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:32:53.640 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:32:53.640 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:32:53.828 INFO blam! 607ad83ccb26ddabc953cda318d69a34f4b2d7c13e40550b9255c0bf61bd6511
Sep 10 22:32:53.830 INFO running `"docker" "start" "-a" "607ad83ccb26ddabc953cda318d69a34f4b2d7c13e40550b9255c0bf61bd6511"`
Sep 10 22:32:55.047 INFO kablam! usermod: no changes
Sep 10 22:32:55.114 INFO kablam!     Checking atomic_cell v0.1.0 (file:///source)
Sep 10 22:32:55.115 INFO kablam!     Checking telemetry v0.1.1
Sep 10 22:32:55.618 INFO kablam! warning: variable does not need to be mutable
Sep 10 22:32:55.618 INFO kablam!    --> src/lib.rs:394:43
Sep 10 22:32:55.618 INFO kablam!     |
Sep 10 22:32:55.618 INFO kablam! 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
Sep 10 22:32:55.618 INFO kablam!     |                                           ----^^^
Sep 10 22:32:55.618 INFO kablam!     |                                           |
Sep 10 22:32:55.618 INFO kablam!     |                                           help: remove this `mut`
Sep 10 22:32:55.618 INFO kablam!     |
Sep 10 22:32:55.618 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 22:32:55.618 INFO kablam! 
Sep 10 22:32:55.618 INFO kablam! error[E0635]: unknown feature `catch_panic`
Sep 10 22:32:55.618 INFO kablam!  --> src/lib.rs:2:12
Sep 10 22:32:55.618 INFO kablam!   |
Sep 10 22:32:55.618 INFO kablam! 2 | #![feature(catch_panic)] // For testing
Sep 10 22:32:55.618 INFO kablam!   |            ^^^^^^^^^^^
Sep 10 22:32:55.618 INFO kablam! 
Sep 10 22:32:55.638 INFO kablam! error: aborting due to previous error
Sep 10 22:32:55.638 INFO kablam! 
Sep 10 22:32:55.638 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 22:32:55.641 INFO kablam! error: Could not compile `atomic_cell`.
Sep 10 22:32:55.641 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 22:32:56.008 INFO kablam! error: build failed
Sep 10 22:32:56.009 INFO kablam! su: No module specific data is present
Sep 10 22:32:56.619 INFO running `"docker" "rm" "-f" "607ad83ccb26ddabc953cda318d69a34f4b2d7c13e40550b9255c0bf61bd6511"`
Sep 10 22:32:56.739 INFO blam! 607ad83ccb26ddabc953cda318d69a34f4b2d7c13e40550b9255c0bf61bd6511