Sep 05 20:34:12.399 INFO checking xi-rpc-0.2.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 20:34:12.399 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 20:34:12.399 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 20:34:12.586 INFO blam! 951ab56f1650e09112229653ac2864f13e4f2a62e2615fa675428dc24f465d97
Sep 05 20:34:12.589 INFO running `"docker" "start" "-a" "951ab56f1650e09112229653ac2864f13e4f2a62e2615fa675428dc24f465d97"`
Sep 05 20:34:13.466 INFO kablam! usermod: no changes
Sep 05 20:34:13.554 INFO kablam!     Checking serde_json v0.9.10
Sep 05 20:34:15.478 INFO kablam!     Checking xi-rpc v0.2.0 (file:///source)
Sep 05 20:34:16.052 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:16.052 INFO kablam!    --> src/lib.rs:326:13
Sep 05 20:34:16.052 INFO kablam!     |
Sep 05 20:34:16.052 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 05 20:34:16.052 INFO kablam!     |             ----^^^^
Sep 05 20:34:16.052 INFO kablam!     |             |
Sep 05 20:34:16.052 INFO kablam!     |             help: remove this `mut`
Sep 05 20:34:16.052 INFO kablam!     |
Sep 05 20:34:16.052 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 20:34:16.052 INFO kablam! 
Sep 05 20:34:16.053 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:16.053 INFO kablam!    --> src/lib.rs:393:9
Sep 05 20:34:16.053 INFO kablam!     |
Sep 05 20:34:16.053 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 05 20:34:16.054 INFO kablam!     |         ----^^^^^^^^
Sep 05 20:34:16.054 INFO kablam!     |         |
Sep 05 20:34:16.054 INFO kablam!     |         help: remove this `mut`
Sep 05 20:34:16.054 INFO kablam! 
Sep 05 20:34:16.165 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:16.165 INFO kablam!    --> src/lib.rs:326:13
Sep 05 20:34:16.165 INFO kablam!     |
Sep 05 20:34:16.165 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 05 20:34:16.165 INFO kablam!     |             ----^^^^
Sep 05 20:34:16.165 INFO kablam!     |             |
Sep 05 20:34:16.165 INFO kablam!     |             help: remove this `mut`
Sep 05 20:34:16.165 INFO kablam!     |
Sep 05 20:34:16.165 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 20:34:16.165 INFO kablam! 
Sep 05 20:34:16.170 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:16.170 INFO kablam!    --> src/lib.rs:393:9
Sep 05 20:34:16.170 INFO kablam!     |
Sep 05 20:34:16.170 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 05 20:34:16.170 INFO kablam!     |         ----^^^^^^^^
Sep 05 20:34:16.171 INFO kablam!     |         |
Sep 05 20:34:16.171 INFO kablam!     |         help: remove this `mut`
Sep 05 20:34:16.171 INFO kablam! 
Sep 05 20:34:16.392 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Sep 05 20:34:16.395 INFO kablam! su: No module specific data is present
Sep 05 20:34:17.054 INFO running `"docker" "rm" "-f" "951ab56f1650e09112229653ac2864f13e4f2a62e2615fa675428dc24f465d97"`
Sep 05 20:34:17.141 INFO blam! 951ab56f1650e09112229653ac2864f13e4f2a62e2615fa675428dc24f465d97