Aug 11 10:57:34.551 INFO checking ipaddr-0.0.3 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 10:57:34.551 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 10:57:34.551 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 10:57:34.551 INFO running `"docker" "create" "-v" "/tmp/crater.UtnFPU38fGSI:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/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 11 10:57:34.859 INFO blam! ce7b2a1cc478dba70558076ae219587b051a2fab1142871b34438cdce65190bb
Aug 11 10:57:34.860 INFO running `"docker" "start" "-a" "ce7b2a1cc478dba70558076ae219587b051a2fab1142871b34438cdce65190bb"`
Aug 11 10:57:35.899 INFO kablam!     Checking ipaddr v0.0.3 (file:///source)
Aug 11 10:57:39.391 INFO kablam! warning: unused variable: `f`
Aug 11 10:57:39.391 INFO kablam!   --> src/ipv6/network.rs:57:19
Aug 11 10:57:39.391 INFO kablam!    |
Aug 11 10:57:39.391 INFO kablam! 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Aug 11 10:57:39.391 INFO kablam!    |                   ^ help: consider using `_f` instead
Aug 11 10:57:39.404 INFO kablam!    |
Aug 11 10:57:39.404 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 11 10:57:39.405 INFO kablam! 
Aug 11 10:57:39.405 INFO kablam! warning: unused variable: `f`
Aug 11 10:57:39.405 INFO kablam!   --> src/ipv6/network.rs:63:19
Aug 11 10:57:39.405 INFO kablam!    |
Aug 11 10:57:39.405 INFO kablam! 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Aug 11 10:57:39.405 INFO kablam!    |                   ^ help: consider using `_f` instead
Aug 11 10:57:39.405 INFO kablam! 
Aug 11 10:57:41.030 INFO kablam! warning: unused variable: `f`
Aug 11 10:57:41.030 INFO kablam!   --> src/ipv6/network.rs:57:19
Aug 11 10:57:41.030 INFO kablam!    |
Aug 11 10:57:41.030 INFO kablam! 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Aug 11 10:57:41.030 INFO kablam!    |                   ^ help: consider using `_f` instead
Aug 11 10:57:41.030 INFO kablam!    |
Aug 11 10:57:41.030 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 11 10:57:41.030 INFO kablam! 
Aug 11 10:57:41.030 INFO kablam! warning: unused variable: `f`
Aug 11 10:57:41.030 INFO kablam!   --> src/ipv6/network.rs:63:19
Aug 11 10:57:41.031 INFO kablam!    |
Aug 11 10:57:41.031 INFO kablam! 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Aug 11 10:57:41.031 INFO kablam!    |                   ^ help: consider using `_f` instead
Aug 11 10:57:41.031 INFO kablam! 
Aug 11 10:57:41.624 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 11 10:57:41.624 INFO kablam!    --> src/ipv6/address/format.rs:451:9
Aug 11 10:57:41.624 INFO kablam!     |
Aug 11 10:57:41.624 INFO kablam! 451 | /         ip.formatter(&mut s)
Aug 11 10:57:41.624 INFO kablam! 452 | |             .upper_case(true)
Aug 11 10:57:41.624 INFO kablam! 453 | |             .ellipsis(false)
Aug 11 10:57:41.624 INFO kablam! 454 | |             .write();
Aug 11 10:57:41.624 INFO kablam!     | |_____________________^
Aug 11 10:57:41.624 INFO kablam!     |
Aug 11 10:57:41.624 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 10:57:41.624 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 11 10:57:41.624 INFO kablam! 
Aug 11 10:57:41.745 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
Aug 11 10:57:41.748 INFO kablam! su: No module specific data is present
Aug 11 10:57:42.360 INFO running `"docker" "rm" "-f" "ce7b2a1cc478dba70558076ae219587b051a2fab1142871b34438cdce65190bb"`
Aug 11 10:57:42.515 INFO blam! ce7b2a1cc478dba70558076ae219587b051a2fab1142871b34438cdce65190bb