Oct 13 06:37:38.717 INFO checking vertree-0.2.2 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 06:37:38.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 06:37:38.897 INFO blam! 246838baf38241c1ecf3e7863ad4946a90e96b68a97ab7a5331e8d40fe402e87
Oct 13 06:37:38.905 INFO running `"docker" "start" "-a" "246838baf38241c1ecf3e7863ad4946a90e96b68a97ab7a5331e8d40fe402e87"`
Oct 13 06:37:39.337 INFO kablam! usermod: no changes
Oct 13 06:37:39.442 INFO kablam!    Compiling serde v1.0.79
Oct 13 06:37:39.442 INFO kablam!     Checking assert_matches v1.3.0
Oct 13 06:37:39.445 INFO kablam!     Checking quickcheck v0.4.1
Oct 13 06:37:51.784 INFO kablam!     Checking rmp-serde v0.13.7
Oct 13 06:37:52.932 INFO kablam!     Checking vertree v0.2.2 (/source)
Oct 13 06:37:56.092 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:56.092 INFO kablam!    --> src/tree.rs:268:14
Oct 13 06:37:56.092 INFO kablam!     |
Oct 13 06:37:56.092 INFO kablam! 268 |         let (mut queue, version, tree) = {
Oct 13 06:37:56.092 INFO kablam!     |              ----^^^^^
Oct 13 06:37:56.092 INFO kablam!     |              |
Oct 13 06:37:56.092 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:56.092 INFO kablam!     |
Oct 13 06:37:56.092 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 06:37:56.092 INFO kablam! 
Oct 13 06:37:56.092 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:56.092 INFO kablam!    --> src/tree.rs:282:14
Oct 13 06:37:56.092 INFO kablam!     |
Oct 13 06:37:56.092 INFO kablam! 282 |         let (mut queue, version, tree) = {
Oct 13 06:37:56.092 INFO kablam!     |              ----^^^^^
Oct 13 06:37:56.093 INFO kablam!     |              |
Oct 13 06:37:56.093 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:56.093 INFO kablam! 
Oct 13 06:37:56.104 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:56.104 INFO kablam!    --> src/tree.rs:295:14
Oct 13 06:37:56.104 INFO kablam!     |
Oct 13 06:37:56.104 INFO kablam! 295 |         let (mut set, version, tree) = {
Oct 13 06:37:56.104 INFO kablam!     |              ----^^^
Oct 13 06:37:56.104 INFO kablam!     |              |
Oct 13 06:37:56.104 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:56.104 INFO kablam! 
Oct 13 06:37:56.104 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:56.104 INFO kablam!    --> src/tree.rs:308:14
Oct 13 06:37:56.104 INFO kablam!     |
Oct 13 06:37:56.104 INFO kablam! 308 |         let (mut set, version, tree) = {
Oct 13 06:37:56.104 INFO kablam!     |              ----^^^
Oct 13 06:37:56.104 INFO kablam!     |              |
Oct 13 06:37:56.104 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:56.104 INFO kablam! 
Oct 13 06:37:56.105 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:56.105 INFO kablam!    --> src/tree.rs:322:13
Oct 13 06:37:56.105 INFO kablam!     |
Oct 13 06:37:56.105 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Oct 13 06:37:56.105 INFO kablam!     |             ----^^^^^
Oct 13 06:37:56.105 INFO kablam!     |             |
Oct 13 06:37:56.105 INFO kablam!     |             help: remove this `mut`
Oct 13 06:37:56.105 INFO kablam! 
Oct 13 06:37:56.108 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:56.108 INFO kablam!    --> src/tree.rs:328:13
Oct 13 06:37:56.108 INFO kablam!     |
Oct 13 06:37:56.108 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Oct 13 06:37:56.108 INFO kablam!     |             ----^^^^^
Oct 13 06:37:56.108 INFO kablam!     |             |
Oct 13 06:37:56.108 INFO kablam!     |             help: remove this `mut`
Oct 13 06:37:56.108 INFO kablam! 
Oct 13 06:37:57.236 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:57.236 INFO kablam!    --> src/tree.rs:268:14
Oct 13 06:37:57.236 INFO kablam!     |
Oct 13 06:37:57.236 INFO kablam! 268 |         let (mut queue, version, tree) = {
Oct 13 06:37:57.236 INFO kablam!     |              ----^^^^^
Oct 13 06:37:57.236 INFO kablam!     |              |
Oct 13 06:37:57.236 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:57.236 INFO kablam!     |
Oct 13 06:37:57.236 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 06:37:57.236 INFO kablam! 
Oct 13 06:37:57.236 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:57.236 INFO kablam!    --> src/tree.rs:282:14
Oct 13 06:37:57.236 INFO kablam!     |
Oct 13 06:37:57.236 INFO kablam! 282 |         let (mut queue, version, tree) = {
Oct 13 06:37:57.236 INFO kablam!     |              ----^^^^^
Oct 13 06:37:57.236 INFO kablam!     |              |
Oct 13 06:37:57.236 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:57.236 INFO kablam! 
Oct 13 06:37:57.236 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:57.236 INFO kablam!    --> src/tree.rs:295:14
Oct 13 06:37:57.236 INFO kablam!     |
Oct 13 06:37:57.236 INFO kablam! 295 |         let (mut set, version, tree) = {
Oct 13 06:37:57.236 INFO kablam!     |              ----^^^
Oct 13 06:37:57.236 INFO kablam!     |              |
Oct 13 06:37:57.236 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:57.236 INFO kablam! 
Oct 13 06:37:57.236 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:57.236 INFO kablam!    --> src/tree.rs:308:14
Oct 13 06:37:57.236 INFO kablam!     |
Oct 13 06:37:57.236 INFO kablam! 308 |         let (mut set, version, tree) = {
Oct 13 06:37:57.236 INFO kablam!     |              ----^^^
Oct 13 06:37:57.236 INFO kablam!     |              |
Oct 13 06:37:57.236 INFO kablam!     |              help: remove this `mut`
Oct 13 06:37:57.236 INFO kablam! 
Oct 13 06:37:57.236 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:57.236 INFO kablam!    --> src/tree.rs:322:13
Oct 13 06:37:57.236 INFO kablam!     |
Oct 13 06:37:57.236 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Oct 13 06:37:57.236 INFO kablam!     |             ----^^^^^
Oct 13 06:37:57.237 INFO kablam!     |             |
Oct 13 06:37:57.237 INFO kablam!     |             help: remove this `mut`
Oct 13 06:37:57.237 INFO kablam! 
Oct 13 06:37:57.237 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:37:57.237 INFO kablam!    --> src/tree.rs:328:13
Oct 13 06:37:57.237 INFO kablam!     |
Oct 13 06:37:57.237 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Oct 13 06:37:57.237 INFO kablam!     |             ----^^^^^
Oct 13 06:37:57.237 INFO kablam!     |             |
Oct 13 06:37:57.237 INFO kablam!     |             help: remove this `mut`
Oct 13 06:37:57.237 INFO kablam! 
Oct 13 06:38:00.594 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.24s
Oct 13 06:38:00.606 INFO kablam! su: No module specific data is present
Oct 13 06:38:01.205 INFO running `"docker" "rm" "-f" "246838baf38241c1ecf3e7863ad4946a90e96b68a97ab7a5331e8d40fe402e87"`
Oct 13 06:38:01.524 INFO blam! 246838baf38241c1ecf3e7863ad4946a90e96b68a97ab7a5331e8d40fe402e87