Aug 10 23:27:43.276 INFO checking tryfromfail-0.1.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 10 23:27:43.277 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 23:27:43.277 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 23:27:43.277 INFO running `"docker" "create" "-v" "/tmp/crater.EWdp6N9z84ZX:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-5/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 23:27:43.471 INFO blam! 342c8ae0e39389c9fb97416c78ce109ab62d5c45e06488038ddf2281ba32e678
Aug 10 23:27:43.473 INFO running `"docker" "start" "-a" "342c8ae0e39389c9fb97416c78ce109ab62d5c45e06488038ddf2281ba32e678"`
Aug 10 23:27:44.832 INFO kablam!     Checking unicode-xid v0.1.0
Aug 10 23:27:44.832 INFO kablam!    Compiling syn v0.13.11
Aug 10 23:27:45.069 INFO kablam!     Checking proc-macro2 v0.3.8
Aug 10 23:27:47.472 INFO kablam!     Checking quote v0.5.2
Aug 10 23:27:55.639 INFO kablam!     Checking tryfromfail v0.1.0 (file:///source)
Aug 10 23:27:59.641 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:59.641 INFO kablam!  --> tests/test.rs:4:5
Aug 10 23:27:59.641 INFO kablam!   |
Aug 10 23:27:59.641 INFO kablam! 4 | use std::convert::TryInto;
Aug 10 23:27:59.641 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 23:27:59.641 INFO kablam!   |
Aug 10 23:27:59.641 INFO kablam!   = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:59.641 INFO kablam! 
Aug 10 23:27:59.641 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:59.641 INFO kablam!  --> tests/test.rs:6:28
Aug 10 23:27:59.641 INFO kablam!   |
Aug 10 23:27:59.641 INFO kablam! 6 | #[derive(Debug, PartialEq, FailingTryFrom)]
Aug 10 23:27:59.641 INFO kablam!   |                            ^^^^^^^^^^^^^^
Aug 10 23:27:59.641 INFO kablam!   |
Aug 10 23:27:59.642 INFO kablam!   = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:59.642 INFO kablam! 
Aug 10 23:27:59.706 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:59.706 INFO kablam!   --> tests/test.rs:19:60
Aug 10 23:27:59.706 INFO kablam!    |
Aug 10 23:27:59.706 INFO kablam! 19 |     let failed_try_from: Result<SomeType, OtherType> = val.try_into();
Aug 10 23:27:59.706 INFO kablam!    |                                                            ^^^^^^^^
Aug 10 23:27:59.706 INFO kablam!    |
Aug 10 23:27:59.706 INFO kablam!    = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:59.706 INFO kablam! 
Aug 10 23:27:59.712 INFO kablam! error[E0658]: use of unstable library feature 'try_from' (see issue #33417)
Aug 10 23:27:59.712 INFO kablam!   --> tests/test.rs:26:62
Aug 10 23:27:59.712 INFO kablam!    |
Aug 10 23:27:59.712 INFO kablam! 26 |     let failed_try_from: Result<SomeType, AnotherType> = val.try_into();
Aug 10 23:27:59.712 INFO kablam!    |                                                              ^^^^^^^^
Aug 10 23:27:59.712 INFO kablam!    |
Aug 10 23:27:59.712 INFO kablam!    = help: add #![feature(try_from)] to the crate attributes to enable
Aug 10 23:27:59.712 INFO kablam! 
Aug 10 23:27:59.719 INFO kablam! error: aborting due to 4 previous errors
Aug 10 23:27:59.719 INFO kablam! 
Aug 10 23:27:59.719 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 10 23:27:59.727 INFO kablam! error: Could not compile `tryfromfail`.
Aug 10 23:27:59.727 INFO kablam! 
Aug 10 23:27:59.727 INFO kablam! To learn more, run the command again with --verbose.
Aug 10 23:27:59.728 INFO kablam! su: No module specific data is present
Aug 10 23:28:00.335 INFO running `"docker" "rm" "-f" "342c8ae0e39389c9fb97416c78ce109ab62d5c45e06488038ddf2281ba32e678"`
Aug 10 23:28:00.434 INFO blam! 342c8ae0e39389c9fb97416c78ce109ab62d5c45e06488038ddf2281ba32e678