Sep 01 16:43:35.552 INFO checking ipaddr-0.0.3 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 16:43:35.552 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:43:35.552 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:43:35.802 INFO blam! 4af61e75b3e3b372e597eae2ced964b5a7413c345020ca85b8990a2bca6fb46b
Sep 01 16:43:35.805 INFO running `"docker" "start" "-a" "4af61e75b3e3b372e597eae2ced964b5a7413c345020ca85b8990a2bca6fb46b"`
Sep 01 16:43:36.672 INFO kablam!     Checking ipaddr v0.0.3 (file:///source)
Sep 01 16:43:38.879 INFO kablam! warning: unused variable: `f`
Sep 01 16:43:38.879 INFO kablam!   --> src/ipv6/network.rs:57:19
Sep 01 16:43:38.880 INFO kablam!    |
Sep 01 16:43:38.880 INFO kablam! 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 01 16:43:38.880 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 01 16:43:38.880 INFO kablam!    |
Sep 01 16:43:38.880 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 16:43:38.881 INFO kablam! 
Sep 01 16:43:38.881 INFO kablam! warning: unused variable: `f`
Sep 01 16:43:38.881 INFO kablam!   --> src/ipv6/network.rs:63:19
Sep 01 16:43:38.881 INFO kablam!    |
Sep 01 16:43:38.881 INFO kablam! 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 01 16:43:38.881 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 01 16:43:38.882 INFO kablam! 
Sep 01 16:43:39.649 INFO kablam! warning: unused variable: `f`
Sep 01 16:43:39.649 INFO kablam!   --> src/ipv6/network.rs:57:19
Sep 01 16:43:39.649 INFO kablam!    |
Sep 01 16:43:39.649 INFO kablam! 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 01 16:43:39.649 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 01 16:43:39.649 INFO kablam!    |
Sep 01 16:43:39.650 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 16:43:39.650 INFO kablam! 
Sep 01 16:43:39.650 INFO kablam! warning: unused variable: `f`
Sep 01 16:43:39.650 INFO kablam!   --> src/ipv6/network.rs:63:19
Sep 01 16:43:39.650 INFO kablam!    |
Sep 01 16:43:39.650 INFO kablam! 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 01 16:43:39.650 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 01 16:43:39.650 INFO kablam! 
Sep 01 16:43:40.198 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 16:43:40.198 INFO kablam!    --> src/ipv6/address/format.rs:451:9
Sep 01 16:43:40.198 INFO kablam!     |
Sep 01 16:43:40.198 INFO kablam! 451 | /         ip.formatter(&mut s)
Sep 01 16:43:40.198 INFO kablam! 452 | |             .upper_case(true)
Sep 01 16:43:40.198 INFO kablam! 453 | |             .ellipsis(false)
Sep 01 16:43:40.198 INFO kablam! 454 | |             .write();
Sep 01 16:43:40.198 INFO kablam!     | |_____________________^
Sep 01 16:43:40.198 INFO kablam!     |
Sep 01 16:43:40.198 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 16:43:40.198 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 16:43:40.198 INFO kablam! 
Sep 01 16:43:40.294 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
Sep 01 16:43:40.297 INFO kablam! su: No module specific data is present
Sep 01 16:43:40.909 INFO running `"docker" "rm" "-f" "4af61e75b3e3b372e597eae2ced964b5a7413c345020ca85b8990a2bca6fb46b"`
Sep 01 16:43:41.089 INFO blam! 4af61e75b3e3b372e597eae2ced964b5a7413c345020ca85b8990a2bca6fb46b