Aug 11 10:58:00.140 INFO checking iota-spammer-0.0.10 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 10:58:00.140 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:58:00.140 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:58:00.140 INFO running `"docker" "create" "-v" "/tmp/crater.BZKlSPg1t7Ur:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/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 10:58:00.457 INFO blam! 4b6c44ce1153f761eb3b4738fbce96a547ca35dc462b77528d2db253e16bd904
Aug 11 10:58:00.460 INFO running `"docker" "start" "-a" "4b6c44ce1153f761eb3b4738fbce96a547ca35dc462b77528d2db253e16bd904"`
Aug 11 10:58:01.863 INFO kablam!    Compiling crunchy v0.2.1
Aug 11 10:58:03.036 INFO kablam!     Checking iota-lib-rs v0.0.34
Aug 11 10:58:16.029 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Aug 11 10:58:16.029 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/iota-lib-rs-0.0.34/src/lib.rs:43:12
Aug 11 10:58:16.029 INFO kablam!    |
Aug 11 10:58:16.029 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Aug 11 10:58:16.029 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Aug 11 10:58:16.029 INFO kablam! 
Aug 11 10:58:16.258 INFO kablam! error: aborting due to previous error
Aug 11 10:58:16.258 INFO kablam! 
Aug 11 10:58:16.258 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 10:58:16.285 INFO kablam! error: Could not compile `iota-lib-rs`.
Aug 11 10:58:16.286 INFO kablam! 
Aug 11 10:58:16.286 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 10:58:16.288 INFO kablam! su: No module specific data is present
Aug 11 10:58:17.428 INFO running `"docker" "rm" "-f" "4b6c44ce1153f761eb3b4738fbce96a547ca35dc462b77528d2db253e16bd904"`
Aug 11 10:58:17.596 INFO blam! 4b6c44ce1153f761eb3b4738fbce96a547ca35dc462b77528d2db253e16bd904