Aug 01 20:44:40.194 INFO checking teensy-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 20:44:40.194 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:44:40.194 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:44:40.194 INFO running `"docker" "create" "-v" "/tmp/crater.fp7yFHIJMWym:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 20:44:40.391 INFO blam! d0fd279afd9f2e2b30463255e0f58c0e6cfa68c0db923e1db9f6ec6ebde8987d
Aug 01 20:44:40.393 INFO running `"docker" "start" "-a" "d0fd279afd9f2e2b30463255e0f58c0e6cfa68c0db923e1db9f6ec6ebde8987d"`
Aug 01 20:44:41.406 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Aug 01 20:44:41.406 INFO kablam! disables Cargo from automatically inferring other binary targets.
Aug 01 20:44:41.406 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Aug 01 20:44:41.406 INFO kablam! files will be included as a binary target:
Aug 01 20:44:41.406 INFO kablam! 
Aug 01 20:44:41.406 INFO kablam! * /source/src/main.rs
Aug 01 20:44:41.406 INFO kablam! 
Aug 01 20:44:41.406 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Aug 01 20:44:41.406 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Aug 01 20:44:41.406 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Aug 01 20:44:41.406 INFO kablam! section. You may also move the files to a location where Cargo would not
Aug 01 20:44:41.406 INFO kablam! automatically infer them to be a target, such as in subfolders.
Aug 01 20:44:41.406 INFO kablam! 
Aug 01 20:44:41.406 INFO kablam! For more information on this warning you can consult
Aug 01 20:44:41.406 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Aug 01 20:44:41.406 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `cargo-teensy`,
Aug 01 20:44:41.407 INFO kablam! please set bin.path in Cargo.toml
Aug 01 20:44:41.510 INFO kablam!     Checking teensy v0.1.0 (file:///source)
Aug 01 20:44:42.429 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:44:42.429 INFO kablam!  --> src/main.rs:1:1
Aug 01 20:44:42.429 INFO kablam!   |
Aug 01 20:44:42.429 INFO kablam! 1 | #![feature(btree_append)]
Aug 01 20:44:42.429 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:44:42.429 INFO kablam! 
Aug 01 20:44:42.430 INFO kablam! error: aborting due to previous error
Aug 01 20:44:42.430 INFO kablam! 
Aug 01 20:44:42.430 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:44:42.438 INFO kablam! error: Could not compile `teensy`.
Aug 01 20:44:42.438 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:44:42.474 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:44:42.474 INFO kablam!  --> src/main.rs:1:1
Aug 01 20:44:42.474 INFO kablam!   |
Aug 01 20:44:42.474 INFO kablam! 1 | #![feature(btree_append)]
Aug 01 20:44:42.474 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:44:42.474 INFO kablam! 
Aug 01 20:44:42.474 INFO kablam! error: aborting due to previous error
Aug 01 20:44:42.475 INFO kablam! 
Aug 01 20:44:42.475 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:44:42.496 INFO kablam! error: Could not compile `teensy`.
Aug 01 20:44:42.496 INFO kablam! 
Aug 01 20:44:42.496 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:44:42.498 INFO kablam! su: No module specific data is present
Aug 01 20:44:43.292 INFO running `"docker" "rm" "-f" "d0fd279afd9f2e2b30463255e0f58c0e6cfa68c0db923e1db9f6ec6ebde8987d"`
Aug 01 20:44:43.470 INFO blam! d0fd279afd9f2e2b30463255e0f58c0e6cfa68c0db923e1db9f6ec6ebde8987d