Aug 10 23:27:43.685 INFO checking tryfromfail-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 23:27:43.685 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:27:43.685 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 23:27:43.685 INFO running `"docker" "create" "-v" "/tmp/crater.5E0HMFDdZIDG:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 23:27:43.991 INFO blam! 208af10408203bf9fee51dec634ce38ab1ea9b172433be7d04587c8e1802e976
Aug 10 23:27:43.993 INFO running `"docker" "start" "-a" "208af10408203bf9fee51dec634ce38ab1ea9b172433be7d04587c8e1802e976"`
Aug 10 23:27:45.528 INFO kablam!     Checking proc-macro2 v0.3.8
Aug 10 23:27:45.529 INFO kablam!    Compiling tryfromfail v0.1.0 (file:///source)
Aug 10 23:27:48.246 INFO kablam!     Checking quote v0.5.2
Aug 10 23:27:49.352 INFO kablam!     Checking syn v0.13.11
Aug 10 23:27:55.644 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:55.644 INFO kablam!  --> tests/test.rs:4:5
Aug 10 23:27:55.644 INFO kablam!   |
Aug 10 23:27:55.644 INFO kablam! 4 | use std::convert::TryInto;
Aug 10 23:27:55.645 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 23:27:55.645 INFO kablam!   |
Aug 10 23:27:55.645 INFO kablam!   = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:55.645 INFO kablam! 
Aug 10 23:27:55.645 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:55.645 INFO kablam!  --> tests/test.rs:6:28
Aug 10 23:27:55.645 INFO kablam!   |
Aug 10 23:27:55.645 INFO kablam! 6 | #[derive(Debug, PartialEq, FailingTryFrom)]
Aug 10 23:27:55.645 INFO kablam!   |                            ^^^^^^^^^^^^^^
Aug 10 23:27:55.645 INFO kablam!   |
Aug 10 23:27:55.645 INFO kablam!   = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:55.645 INFO kablam! 
Aug 10 23:27:55.729 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:55.729 INFO kablam!   --> tests/test.rs:19:60
Aug 10 23:27:55.729 INFO kablam!    |
Aug 10 23:27:55.729 INFO kablam! 19 |     let failed_try_from: Result<SomeType, OtherType> = val.try_into();
Aug 10 23:27:55.729 INFO kablam!    |                                                            ^^^^^^^^
Aug 10 23:27:55.729 INFO kablam!    |
Aug 10 23:27:55.729 INFO kablam!    = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:55.729 INFO kablam! 
Aug 10 23:27:55.735 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:55.735 INFO kablam!   --> tests/test.rs:26:62
Aug 10 23:27:55.735 INFO kablam!    |
Aug 10 23:27:55.735 INFO kablam! 26 |     let failed_try_from: Result<SomeType, AnotherType> = val.try_into();
Aug 10 23:27:55.735 INFO kablam!    |                                                              ^^^^^^^^
Aug 10 23:27:55.736 INFO kablam!    |
Aug 10 23:27:55.736 INFO kablam!    = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:55.736 INFO kablam! 
Aug 10 23:27:55.741 INFO kablam! error: aborting due to 4 previous errors
Aug 10 23:27:55.741 INFO kablam! 
Aug 10 23:27:55.742 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 10 23:27:55.750 INFO kablam! error: Could not compile `tryfromfail`.
Aug 10 23:27:55.751 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 23:27:56.470 INFO kablam! error: build failed
Aug 10 23:27:56.472 INFO kablam! su: No module specific data is present
Aug 10 23:27:57.104 INFO running `"docker" "rm" "-f" "208af10408203bf9fee51dec634ce38ab1ea9b172433be7d04587c8e1802e976"`
Aug 10 23:27:57.248 INFO blam! 208af10408203bf9fee51dec634ce38ab1ea9b172433be7d04587c8e1802e976