Sep 19 23:43:50.434 INFO checking iota-lib-rs-0.0.34 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 23:43:50.434 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 23:43:50.434 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:43:50.546 INFO blam! 1866f9f391fb9e1f5059a1b268f42eedd6e1c6f14209dd6161888e3fc009f342
Sep 19 23:43:50.548 INFO running `"docker" "start" "-a" "1866f9f391fb9e1f5059a1b268f42eedd6e1c6f14209dd6161888e3fc009f342"`
Sep 19 23:43:51.136 INFO kablam! usermod: no changes
Sep 19 23:43:51.167 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 19 23:43:51.521 INFO kablam!    Compiling crunchy v0.2.1
Sep 19 23:43:52.302 INFO kablam!     Checking iota-lib-rs v0.0.34 (/source)
Sep 19 23:43:52.387 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 19 23:43:52.387 INFO kablam!   --> src/lib.rs:42:12
Sep 19 23:43:52.387 INFO kablam!    |
Sep 19 23:43:52.387 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 19 23:43:52.388 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 19 23:43:52.388 INFO kablam! 
Sep 19 23:43:52.467 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 19 23:43:52.467 INFO kablam!   --> src/lib.rs:42:12
Sep 19 23:43:52.467 INFO kablam!    |
Sep 19 23:43:52.467 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 19 23:43:52.467 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 19 23:43:52.467 INFO kablam! 
Sep 19 23:44:01.691 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 19 23:44:01.691 INFO kablam!   --> src/lib.rs:43:12
Sep 19 23:44:01.691 INFO kablam!    |
Sep 19 23:44:01.691 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 19 23:44:01.691 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 19 23:44:01.691 INFO kablam! 
Sep 19 23:44:01.843 INFO kablam! error: aborting due to previous error
Sep 19 23:44:01.843 INFO kablam! 
Sep 19 23:44:01.843 INFO kablam! Some errors occurred: E0635, E0705.
Sep 19 23:44:01.843 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 19 23:44:01.859 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 19 23:44:01.859 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 23:44:02.018 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 19 23:44:02.018 INFO kablam!   --> src/lib.rs:43:12
Sep 19 23:44:02.018 INFO kablam!    |
Sep 19 23:44:02.018 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 19 23:44:02.018 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 19 23:44:02.018 INFO kablam! 
Sep 19 23:44:02.157 INFO kablam! error: aborting due to previous error
Sep 19 23:44:02.157 INFO kablam! 
Sep 19 23:44:02.157 INFO kablam! Some errors occurred: E0635, E0705.
Sep 19 23:44:02.157 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 19 23:44:02.190 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 19 23:44:02.190 INFO kablam! 
Sep 19 23:44:02.190 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 23:44:02.191 INFO kablam! su: No module specific data is present
Sep 19 23:44:02.808 INFO running `"docker" "rm" "-f" "1866f9f391fb9e1f5059a1b268f42eedd6e1c6f14209dd6161888e3fc009f342"`
Sep 19 23:44:02.927 INFO blam! 1866f9f391fb9e1f5059a1b268f42eedd6e1c6f14209dd6161888e3fc009f342