Sep 02 10:15:10.188 INFO checking iota-lib-rs-0.0.34 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 10:15:10.188 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 10:15:10.188 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 10:15:10.378 INFO blam! 352bf8d1f2012991f1e0ef33c87abdc369fc5589e67ab215cee2588481c135a7
Sep 02 10:15:10.379 INFO running `"docker" "start" "-a" "352bf8d1f2012991f1e0ef33c87abdc369fc5589e67ab215cee2588481c135a7"`
Sep 02 10:15:11.250 INFO kablam!    Compiling crunchy v0.2.1
Sep 02 10:15:11.361 INFO kablam!     Checking iota-lib-rs v0.0.34 (file:///source)
Sep 02 10:15:11.477 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 02 10:15:11.477 INFO kablam!   --> src/lib.rs:42:12
Sep 02 10:15:11.477 INFO kablam!    |
Sep 02 10:15:11.477 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 02 10:15:11.477 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 02 10:15:11.477 INFO kablam! 
Sep 02 10:15:11.484 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 02 10:15:11.484 INFO kablam!   --> src/lib.rs:42:12
Sep 02 10:15:11.484 INFO kablam!    |
Sep 02 10:15:11.484 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 02 10:15:11.484 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 02 10:15:11.484 INFO kablam! 
Sep 02 10:15:24.167 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 02 10:15:24.167 INFO kablam!   --> src/lib.rs:43:12
Sep 02 10:15:24.167 INFO kablam!    |
Sep 02 10:15:24.167 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 02 10:15:24.167 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 02 10:15:24.167 INFO kablam! 
Sep 02 10:15:24.190 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 02 10:15:24.190 INFO kablam!   --> src/lib.rs:43:12
Sep 02 10:15:24.190 INFO kablam!    |
Sep 02 10:15:24.190 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 02 10:15:24.190 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 02 10:15:24.190 INFO kablam! 
Sep 02 10:15:24.330 INFO kablam! error: aborting due to previous error
Sep 02 10:15:24.331 INFO kablam! 
Sep 02 10:15:24.331 INFO kablam! Some errors occurred: E0635, E0705.
Sep 02 10:15:24.331 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 02 10:15:24.348 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 02 10:15:24.348 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 10:15:24.411 INFO kablam! error: aborting due to previous error
Sep 02 10:15:24.411 INFO kablam! 
Sep 02 10:15:24.411 INFO kablam! Some errors occurred: E0635, E0705.
Sep 02 10:15:24.411 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 02 10:15:24.441 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 02 10:15:24.442 INFO kablam! 
Sep 02 10:15:24.442 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 10:15:24.443 INFO kablam! su: No module specific data is present
Sep 02 10:15:24.971 INFO running `"docker" "rm" "-f" "352bf8d1f2012991f1e0ef33c87abdc369fc5589e67ab215cee2588481c135a7"`
Sep 02 10:15:25.107 INFO blam! 352bf8d1f2012991f1e0ef33c87abdc369fc5589e67ab215cee2588481c135a7