Sep 21 08:24:38.229 INFO checking ipaddr-0.0.3 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 08:24:38.229 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 08:24:38.229 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:24:38.386 INFO blam! c19f6935832243f5aea5de9a869177792bee135574b4533da8947e52ac1b88f3
Sep 21 08:24:38.390 INFO running `"docker" "start" "-a" "c19f6935832243f5aea5de9a869177792bee135574b4533da8947e52ac1b88f3"`
Sep 21 08:24:39.728 INFO kablam! usermod: no changes
Sep 21 08:24:39.748 INFO kablam!     Checking ipaddr v0.0.3 (/source)
Sep 21 08:24:40.370 INFO kablam! warning: unused variable: `f`
Sep 21 08:24:40.370 INFO kablam!   --> src/ipv6/network.rs:57:19
Sep 21 08:24:40.370 INFO kablam!    |
Sep 21 08:24:40.370 INFO kablam! 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 21 08:24:40.370 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 21 08:24:40.370 INFO kablam!    |
Sep 21 08:24:40.370 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 08:24:40.370 INFO kablam! 
Sep 21 08:24:40.370 INFO kablam! warning: unused variable: `f`
Sep 21 08:24:40.370 INFO kablam!   --> src/ipv6/network.rs:63:19
Sep 21 08:24:40.370 INFO kablam!    |
Sep 21 08:24:40.370 INFO kablam! 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 21 08:24:40.370 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 21 08:24:40.370 INFO kablam! 
Sep 21 08:24:40.846 INFO kablam! warning: unused variable: `f`
Sep 21 08:24:40.846 INFO kablam!   --> src/ipv6/network.rs:57:19
Sep 21 08:24:40.846 INFO kablam!    |
Sep 21 08:24:40.846 INFO kablam! 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 21 08:24:40.846 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 21 08:24:40.846 INFO kablam!    |
Sep 21 08:24:40.846 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 08:24:40.846 INFO kablam! 
Sep 21 08:24:40.846 INFO kablam! warning: unused variable: `f`
Sep 21 08:24:40.846 INFO kablam!   --> src/ipv6/network.rs:63:19
Sep 21 08:24:40.846 INFO kablam!    |
Sep 21 08:24:40.846 INFO kablam! 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Sep 21 08:24:40.846 INFO kablam!    |                   ^ help: consider using `_f` instead
Sep 21 08:24:40.846 INFO kablam! 
Sep 21 08:24:41.118 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 08:24:41.118 INFO kablam!    --> src/ipv6/address/format.rs:451:9
Sep 21 08:24:41.118 INFO kablam!     |
Sep 21 08:24:41.118 INFO kablam! 451 | /         ip.formatter(&mut s)
Sep 21 08:24:41.118 INFO kablam! 452 | |             .upper_case(true)
Sep 21 08:24:41.118 INFO kablam! 453 | |             .ellipsis(false)
Sep 21 08:24:41.118 INFO kablam! 454 | |             .write();
Sep 21 08:24:41.118 INFO kablam!     | |_____________________^
Sep 21 08:24:41.118 INFO kablam!     |
Sep 21 08:24:41.118 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 08:24:41.118 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 08:24:41.118 INFO kablam! 
Sep 21 08:24:41.200 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Sep 21 08:24:41.202 INFO kablam! su: No module specific data is present
Sep 21 08:24:42.325 INFO running `"docker" "rm" "-f" "c19f6935832243f5aea5de9a869177792bee135574b4533da8947e52ac1b88f3"`
Sep 21 08:24:42.395 INFO blam! c19f6935832243f5aea5de9a869177792bee135574b4533da8947e52ac1b88f3