Aug 11 00:04:07.700 INFO checking thin_cstr-0.1.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 00:04:07.700 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 00:04:07.700 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 00:04:07.700 INFO running `"docker" "create" "-v" "/tmp/crater.MYZIsZwn5XqB:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/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 11 00:04:07.909 INFO blam! efe0955152136492f80e0af109a964c32d08b4e95ec6d9c22094b82e6381b02e
Aug 11 00:04:07.909 INFO running `"docker" "start" "-a" "efe0955152136492f80e0af109a964c32d08b4e95ec6d9c22094b82e6381b02e"`
Aug 11 00:04:08.811 INFO kablam!     Checking thin_cstr v0.1.0 (file:///source)
Aug 11 00:04:09.359 INFO kablam! warning: type annotations needed
Aug 11 00:04:09.359 INFO kablam!    --> src/c_str.rs:832:27
Aug 11 00:04:09.359 INFO kablam!     |
Aug 11 00:04:09.359 INFO kablam! 832 |         (ptr as *const _).as_ref().expect("cannot convert a null pointer to a CStr")
Aug 11 00:04:09.359 INFO kablam!     |                           ^^^^^^
Aug 11 00:04:09.359 INFO kablam!     |
Aug 11 00:04:09.359 INFO kablam!     = note: #[warn(tyvar_behind_raw_pointer)] on by default
Aug 11 00:04:09.359 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Aug 11 00:04:09.359 INFO kablam!     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
Aug 11 00:04:09.359 INFO kablam! 
Aug 11 00:04:09.508 INFO kablam! warning: type annotations needed
Aug 11 00:04:09.508 INFO kablam!    --> src/c_str.rs:832:27
Aug 11 00:04:09.508 INFO kablam!     |
Aug 11 00:04:09.508 INFO kablam! 832 |         (ptr as *const _).as_ref().expect("cannot convert a null pointer to a CStr")
Aug 11 00:04:09.508 INFO kablam!     |                           ^^^^^^
Aug 11 00:04:09.508 INFO kablam!     |
Aug 11 00:04:09.508 INFO kablam!     = note: #[warn(tyvar_behind_raw_pointer)] on by default
Aug 11 00:04:09.508 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Aug 11 00:04:09.508 INFO kablam!     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
Aug 11 00:04:09.508 INFO kablam! 
Aug 11 00:04:09.946 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Aug 11 00:04:09.948 INFO kablam! su: No module specific data is present
Aug 11 00:04:10.477 INFO running `"docker" "rm" "-f" "efe0955152136492f80e0af109a964c32d08b4e95ec6d9c22094b82e6381b02e"`
Aug 11 00:04:10.574 INFO blam! efe0955152136492f80e0af109a964c32d08b4e95ec6d9c22094b82e6381b02e