Jul 12 01:52:26.516 INFO checking postgres_range-0.8.2 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 01:52:26.516 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 01:52:26.516 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 01:52:26.516 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 01:52:26.747 INFO blam! 81b8711478152a439e37a6b77159dab17aeb4b15bbea2ecbb79ea3a8ffa63dbe
Jul 12 01:52:26.750 INFO running `"docker" "start" "-a" "81b8711478152a439e37a6b77159dab17aeb4b15bbea2ecbb79ea3a8ffa63dbe"`
Jul 12 01:52:27.747 INFO kablam!     Checking phf_shared v0.7.15
Jul 12 01:52:28.540 INFO kablam!     Checking phf v0.7.15
Jul 12 01:52:29.369 INFO kablam!     Checking postgres v0.11.12
Jul 12 01:52:34.315 INFO kablam!     Checking postgres_range v0.8.2 (file:///source)
Jul 12 01:52:36.205 INFO kablam! warning: variable does not need to be mutable
Jul 12 01:52:36.205 INFO kablam!   --> src/impls.rs:70:50
Jul 12 01:52:36.205 INFO kablam!    |
Jul 12 01:52:36.205 INFO kablam! 70 |     fn to_sql<W: ?Sized+Write>(&self, ty: &Type, mut buf: &mut W, info: &SessionInfo)
Jul 12 01:52:36.205 INFO kablam!    |                                                  ----^^^
Jul 12 01:52:36.205 INFO kablam!    |                                                  |
Jul 12 01:52:36.205 INFO kablam!    |                                                  help: remove this `mut`
Jul 12 01:52:36.210 INFO kablam!    |
Jul 12 01:52:36.218 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 01:52:36.219 INFO kablam! 
Jul 12 01:52:36.239 INFO kablam! warning: variable does not need to be mutable
Jul 12 01:52:36.239 INFO kablam!   --> src/impls.rs:95:52
Jul 12 01:52:36.239 INFO kablam!    |
Jul 12 01:52:36.239 INFO kablam! 95 |         fn write_value<S, T, W: ?Sized>(ty: &Type, mut buf: &mut W, info: &SessionInfo,
Jul 12 01:52:36.239 INFO kablam!    |                                                    ----^^^
Jul 12 01:52:36.239 INFO kablam!    |                                                    |
Jul 12 01:52:36.239 INFO kablam!    |                                                    help: remove this `mut`
Jul 12 01:52:36.241 INFO kablam! 
Jul 12 01:52:37.103 INFO kablam! warning: variable does not need to be mutable
Jul 12 01:52:37.104 INFO kablam!   --> src/impls.rs:70:50
Jul 12 01:52:37.104 INFO kablam!    |
Jul 12 01:52:37.104 INFO kablam! 70 |     fn to_sql<W: ?Sized+Write>(&self, ty: &Type, mut buf: &mut W, info: &SessionInfo)
Jul 12 01:52:37.104 INFO kablam!    |                                                  ----^^^
Jul 12 01:52:37.104 INFO kablam!    |                                                  |
Jul 12 01:52:37.104 INFO kablam!    |                                                  help: remove this `mut`
Jul 12 01:52:37.104 INFO kablam!    |
Jul 12 01:52:37.104 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 01:52:37.104 INFO kablam! 
Jul 12 01:52:37.110 INFO kablam! warning: variable does not need to be mutable
Jul 12 01:52:37.110 INFO kablam!   --> src/impls.rs:95:52
Jul 12 01:52:37.110 INFO kablam!    |
Jul 12 01:52:37.111 INFO kablam! 95 |         fn write_value<S, T, W: ?Sized>(ty: &Type, mut buf: &mut W, info: &SessionInfo,
Jul 12 01:52:37.111 INFO kablam!    |                                                    ----^^^
Jul 12 01:52:37.111 INFO kablam!    |                                                    |
Jul 12 01:52:37.111 INFO kablam!    |                                                    help: remove this `mut`
Jul 12 01:52:37.111 INFO kablam! 
Jul 12 01:52:37.249 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
Jul 12 01:52:37.255 INFO kablam! su: No module specific data is present
Jul 12 01:52:37.772 INFO running `"docker" "rm" "-f" "81b8711478152a439e37a6b77159dab17aeb4b15bbea2ecbb79ea3a8ffa63dbe"`
Jul 12 01:52:37.935 INFO blam! 81b8711478152a439e37a6b77159dab17aeb4b15bbea2ecbb79ea3a8ffa63dbe