Aug 01 22:40:18.680 INFO checking serde-pickle-0.4.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:40:18.680 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:40:18.680 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:40:18.680 INFO running `"docker" "create" "-v" "/tmp/crater.JYDDG955UkHw:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 22:40:18.900 INFO blam! 10b8fb959e96b94703f49012cd9718b2ace4f47204b3f40fd9985deaf8ecf119
Aug 01 22:40:18.905 INFO running `"docker" "start" "-a" "10b8fb959e96b94703f49012cd9718b2ace4f47204b3f40fd9985deaf8ecf119"`
Aug 01 22:40:20.098 INFO kablam!     Checking iter-read v0.1.0
Aug 01 22:40:20.117 INFO kablam!     Checking num-bigint v0.1.44
Aug 01 22:40:24.632 INFO kablam!     Checking serde-pickle v0.4.1 (file:///source)
Aug 01 22:40:27.122 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:40:27.122 INFO kablam!   --> src/lib.rs:49:19
Aug 01 22:40:27.122 INFO kablam!    |
Aug 01 22:40:27.122 INFO kablam! 49 | #![cfg_attr(test, feature(test))]
Aug 01 22:40:27.122 INFO kablam!    |                   ^^^^^^^^^^^^^^
Aug 01 22:40:27.122 INFO kablam! 
Aug 01 22:40:27.137 INFO kablam! error: aborting due to previous error
Aug 01 22:40:27.137 INFO kablam! 
Aug 01 22:40:27.137 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:40:27.150 INFO kablam! error: Could not compile `serde-pickle`.
Aug 01 22:40:27.150 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:40:28.521 INFO kablam! error: build failed
Aug 01 22:40:28.523 INFO kablam! su: No module specific data is present
Aug 01 22:40:29.092 INFO running `"docker" "rm" "-f" "10b8fb959e96b94703f49012cd9718b2ace4f47204b3f40fd9985deaf8ecf119"`
Aug 01 22:40:29.256 INFO blam! 10b8fb959e96b94703f49012cd9718b2ace4f47204b3f40fd9985deaf8ecf119