Sep 17 15:15:58.356 INFO checking vertree-0.2.2 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 15:15:58.356 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 15:15:58.357 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 15:15:58.545 INFO blam! d0d29a9198599ed64b513d3a17f335ec1897645e2e0b4af12a847df1eb98c5e0
Sep 17 15:15:58.547 INFO running `"docker" "start" "-a" "d0d29a9198599ed64b513d3a17f335ec1897645e2e0b4af12a847df1eb98c5e0"`
Sep 17 15:15:59.715 INFO kablam! usermod: no changes
Sep 17 15:15:59.839 INFO kablam!    Compiling serde v1.0.79
Sep 17 15:15:59.846 INFO kablam!     Checking error-chain v0.10.0
Sep 17 15:15:59.846 INFO kablam!     Checking quickcheck v0.4.1
Sep 17 15:16:11.603 INFO kablam!     Checking rmp-serde v0.13.7
Sep 17 15:16:12.491 INFO kablam!     Checking vertree v0.2.2 (/source)
Sep 17 15:16:14.271 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:14.271 INFO kablam!    --> src/tree.rs:268:14
Sep 17 15:16:14.271 INFO kablam!     |
Sep 17 15:16:14.271 INFO kablam! 268 |         let (mut queue, version, tree) = {
Sep 17 15:16:14.271 INFO kablam!     |              ----^^^^^
Sep 17 15:16:14.271 INFO kablam!     |              |
Sep 17 15:16:14.271 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:14.271 INFO kablam!     |
Sep 17 15:16:14.271 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 15:16:14.271 INFO kablam! 
Sep 17 15:16:14.271 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:14.271 INFO kablam!    --> src/tree.rs:282:14
Sep 17 15:16:14.271 INFO kablam!     |
Sep 17 15:16:14.271 INFO kablam! 282 |         let (mut queue, version, tree) = {
Sep 17 15:16:14.271 INFO kablam!     |              ----^^^^^
Sep 17 15:16:14.271 INFO kablam!     |              |
Sep 17 15:16:14.271 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:14.271 INFO kablam! 
Sep 17 15:16:14.271 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:14.271 INFO kablam!    --> src/tree.rs:295:14
Sep 17 15:16:14.271 INFO kablam!     |
Sep 17 15:16:14.271 INFO kablam! 295 |         let (mut set, version, tree) = {
Sep 17 15:16:14.271 INFO kablam!     |              ----^^^
Sep 17 15:16:14.271 INFO kablam!     |              |
Sep 17 15:16:14.271 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:14.271 INFO kablam! 
Sep 17 15:16:14.271 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:14.271 INFO kablam!    --> src/tree.rs:308:14
Sep 17 15:16:14.271 INFO kablam!     |
Sep 17 15:16:14.271 INFO kablam! 308 |         let (mut set, version, tree) = {
Sep 17 15:16:14.271 INFO kablam!     |              ----^^^
Sep 17 15:16:14.271 INFO kablam!     |              |
Sep 17 15:16:14.271 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:14.271 INFO kablam! 
Sep 17 15:16:14.271 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:14.271 INFO kablam!    --> src/tree.rs:322:13
Sep 17 15:16:14.271 INFO kablam!     |
Sep 17 15:16:14.271 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Sep 17 15:16:14.272 INFO kablam!     |             ----^^^^^
Sep 17 15:16:14.272 INFO kablam!     |             |
Sep 17 15:16:14.272 INFO kablam!     |             help: remove this `mut`
Sep 17 15:16:14.272 INFO kablam! 
Sep 17 15:16:14.272 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:14.272 INFO kablam!    --> src/tree.rs:328:13
Sep 17 15:16:14.272 INFO kablam!     |
Sep 17 15:16:14.272 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Sep 17 15:16:14.272 INFO kablam!     |             ----^^^^^
Sep 17 15:16:14.272 INFO kablam!     |             |
Sep 17 15:16:14.272 INFO kablam!     |             help: remove this `mut`
Sep 17 15:16:14.272 INFO kablam! 
Sep 17 15:16:15.078 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:15.079 INFO kablam!    --> src/tree.rs:268:14
Sep 17 15:16:15.079 INFO kablam!     |
Sep 17 15:16:15.079 INFO kablam! 268 |         let (mut queue, version, tree) = {
Sep 17 15:16:15.079 INFO kablam!     |              ----^^^^^
Sep 17 15:16:15.079 INFO kablam!     |              |
Sep 17 15:16:15.079 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:15.079 INFO kablam!     |
Sep 17 15:16:15.090 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 15:16:15.091 INFO kablam! 
Sep 17 15:16:15.091 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:15.091 INFO kablam!    --> src/tree.rs:282:14
Sep 17 15:16:15.091 INFO kablam!     |
Sep 17 15:16:15.091 INFO kablam! 282 |         let (mut queue, version, tree) = {
Sep 17 15:16:15.091 INFO kablam!     |              ----^^^^^
Sep 17 15:16:15.091 INFO kablam!     |              |
Sep 17 15:16:15.091 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:15.091 INFO kablam! 
Sep 17 15:16:15.091 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:15.091 INFO kablam!    --> src/tree.rs:295:14
Sep 17 15:16:15.091 INFO kablam!     |
Sep 17 15:16:15.091 INFO kablam! 295 |         let (mut set, version, tree) = {
Sep 17 15:16:15.091 INFO kablam!     |              ----^^^
Sep 17 15:16:15.091 INFO kablam!     |              |
Sep 17 15:16:15.091 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:15.094 INFO kablam! 
Sep 17 15:16:15.095 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:15.095 INFO kablam!    --> src/tree.rs:308:14
Sep 17 15:16:15.095 INFO kablam!     |
Sep 17 15:16:15.095 INFO kablam! 308 |         let (mut set, version, tree) = {
Sep 17 15:16:15.095 INFO kablam!     |              ----^^^
Sep 17 15:16:15.095 INFO kablam!     |              |
Sep 17 15:16:15.095 INFO kablam!     |              help: remove this `mut`
Sep 17 15:16:15.095 INFO kablam! 
Sep 17 15:16:15.095 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:15.095 INFO kablam!    --> src/tree.rs:322:13
Sep 17 15:16:15.095 INFO kablam!     |
Sep 17 15:16:15.095 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Sep 17 15:16:15.095 INFO kablam!     |             ----^^^^^
Sep 17 15:16:15.095 INFO kablam!     |             |
Sep 17 15:16:15.095 INFO kablam!     |             help: remove this `mut`
Sep 17 15:16:15.095 INFO kablam! 
Sep 17 15:16:15.098 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:16:15.099 INFO kablam!    --> src/tree.rs:328:13
Sep 17 15:16:15.099 INFO kablam!     |
Sep 17 15:16:15.099 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Sep 17 15:16:15.099 INFO kablam!     |             ----^^^^^
Sep 17 15:16:15.099 INFO kablam!     |             |
Sep 17 15:16:15.099 INFO kablam!     |             help: remove this `mut`
Sep 17 15:16:15.099 INFO kablam! 
Sep 17 15:16:15.896 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.15s
Sep 17 15:16:15.907 INFO kablam! su: No module specific data is present
Sep 17 15:16:17.273 INFO running `"docker" "rm" "-f" "d0d29a9198599ed64b513d3a17f335ec1897645e2e0b4af12a847df1eb98c5e0"`
Sep 17 15:16:17.579 INFO blam! d0d29a9198599ed64b513d3a17f335ec1897645e2e0b4af12a847df1eb98c5e0