Sep 20 01:31:27.931 INFO checking iota-lib-rs-0.0.34 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 01:31:27.931 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 01:31:27.931 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:31:28.076 INFO blam! 94e3d3f8d42b9af26619252f2eb25202930be88ba8020277cda13dd0b583ca25
Sep 20 01:31:28.078 INFO running `"docker" "start" "-a" "94e3d3f8d42b9af26619252f2eb25202930be88ba8020277cda13dd0b583ca25"`
Sep 20 01:31:28.949 INFO kablam! usermod: no changes
Sep 20 01:31:28.970 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 20 01:31:29.408 INFO kablam!    Compiling crunchy v0.2.1
Sep 20 01:31:30.311 INFO kablam!     Checking iota-lib-rs v0.0.34 (/source)
Sep 20 01:31:30.444 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 20 01:31:30.444 INFO kablam!   --> src/lib.rs:42:12
Sep 20 01:31:30.444 INFO kablam!    |
Sep 20 01:31:30.444 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 20 01:31:30.445 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 20 01:31:30.445 INFO kablam! 
Sep 20 01:31:30.489 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 20 01:31:30.489 INFO kablam!   --> src/lib.rs:42:12
Sep 20 01:31:30.489 INFO kablam!    |
Sep 20 01:31:30.489 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 20 01:31:30.489 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 20 01:31:30.489 INFO kablam! 
Sep 20 01:31:39.558 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 20 01:31:39.558 INFO kablam!   --> src/lib.rs:43:12
Sep 20 01:31:39.558 INFO kablam!    |
Sep 20 01:31:39.558 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 20 01:31:39.558 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 20 01:31:39.558 INFO kablam! 
Sep 20 01:31:39.640 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 20 01:31:39.640 INFO kablam!   --> src/lib.rs:43:12
Sep 20 01:31:39.640 INFO kablam!    |
Sep 20 01:31:39.640 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 20 01:31:39.640 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 20 01:31:39.640 INFO kablam! 
Sep 20 01:31:39.711 INFO kablam! error: aborting due to previous error
Sep 20 01:31:39.711 INFO kablam! 
Sep 20 01:31:39.711 INFO kablam! Some errors occurred: E0635, E0705.
Sep 20 01:31:39.711 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 20 01:31:39.732 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 20 01:31:39.732 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 01:31:39.770 INFO kablam! error: aborting due to previous error
Sep 20 01:31:39.771 INFO kablam! 
Sep 20 01:31:39.771 INFO kablam! Some errors occurred: E0635, E0705.
Sep 20 01:31:39.771 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 20 01:31:39.802 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 20 01:31:39.802 INFO kablam! 
Sep 20 01:31:39.802 INFO kablam! To learn more, run the command again with --verbose.
Sep 20 01:31:39.806 INFO kablam! su: No module specific data is present
Sep 20 01:31:40.343 INFO running `"docker" "rm" "-f" "94e3d3f8d42b9af26619252f2eb25202930be88ba8020277cda13dd0b583ca25"`
Sep 20 01:31:40.413 INFO blam! 94e3d3f8d42b9af26619252f2eb25202930be88ba8020277cda13dd0b583ca25