Oct 27 13:49:45.638 INFO checking vertree-0.2.2 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 13:49:45.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 13:49:45.871 INFO blam! 6327c08910a41895acb3808e5a1636da25513b3db625452943ccfdd0425c606e
Oct 27 13:49:45.874 INFO running `"docker" "start" "-a" "6327c08910a41895acb3808e5a1636da25513b3db625452943ccfdd0425c606e"`
Oct 27 13:49:46.328 INFO kablam! usermod: no changes
Oct 27 13:49:46.456 INFO kablam!    Compiling serde v1.0.80
Oct 27 13:49:46.463 INFO kablam!     Checking assert_matches v1.3.0
Oct 27 13:49:46.471 INFO kablam!     Checking rmp v0.8.7
Oct 27 13:49:46.479 INFO kablam!     Checking quickcheck v0.4.1
Oct 27 13:49:58.347 INFO kablam!     Checking rmp-serde v0.13.7
Oct 27 13:49:59.510 INFO kablam!     Checking vertree v0.2.2 (/source)
Oct 27 13:50:02.735 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:02.735 INFO kablam!    --> src/tree.rs:268:14
Oct 27 13:50:02.735 INFO kablam!     |
Oct 27 13:50:02.735 INFO kablam! 268 |         let (mut queue, version, tree) = {
Oct 27 13:50:02.735 INFO kablam!     |              ----^^^^^
Oct 27 13:50:02.735 INFO kablam!     |              |
Oct 27 13:50:02.735 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:02.735 INFO kablam!     |
Oct 27 13:50:02.735 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 13:50:02.735 INFO kablam! 
Oct 27 13:50:02.735 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:02.735 INFO kablam!    --> src/tree.rs:282:14
Oct 27 13:50:02.735 INFO kablam!     |
Oct 27 13:50:02.735 INFO kablam! 282 |         let (mut queue, version, tree) = {
Oct 27 13:50:02.735 INFO kablam!     |              ----^^^^^
Oct 27 13:50:02.735 INFO kablam!     |              |
Oct 27 13:50:02.735 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:02.735 INFO kablam! 
Oct 27 13:50:02.740 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:02.740 INFO kablam!    --> src/tree.rs:295:14
Oct 27 13:50:02.740 INFO kablam!     |
Oct 27 13:50:02.740 INFO kablam! 295 |         let (mut set, version, tree) = {
Oct 27 13:50:02.740 INFO kablam!     |              ----^^^
Oct 27 13:50:02.740 INFO kablam!     |              |
Oct 27 13:50:02.740 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:02.740 INFO kablam! 
Oct 27 13:50:02.740 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:02.740 INFO kablam!    --> src/tree.rs:308:14
Oct 27 13:50:02.740 INFO kablam!     |
Oct 27 13:50:02.740 INFO kablam! 308 |         let (mut set, version, tree) = {
Oct 27 13:50:02.740 INFO kablam!     |              ----^^^
Oct 27 13:50:02.740 INFO kablam!     |              |
Oct 27 13:50:02.740 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:02.740 INFO kablam! 
Oct 27 13:50:02.747 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:02.747 INFO kablam!    --> src/tree.rs:322:13
Oct 27 13:50:02.747 INFO kablam!     |
Oct 27 13:50:02.747 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Oct 27 13:50:02.747 INFO kablam!     |             ----^^^^^
Oct 27 13:50:02.747 INFO kablam!     |             |
Oct 27 13:50:02.747 INFO kablam!     |             help: remove this `mut`
Oct 27 13:50:02.747 INFO kablam! 
Oct 27 13:50:02.747 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:02.747 INFO kablam!    --> src/tree.rs:328:13
Oct 27 13:50:02.747 INFO kablam!     |
Oct 27 13:50:02.747 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Oct 27 13:50:02.747 INFO kablam!     |             ----^^^^^
Oct 27 13:50:02.747 INFO kablam!     |             |
Oct 27 13:50:02.747 INFO kablam!     |             help: remove this `mut`
Oct 27 13:50:02.747 INFO kablam! 
Oct 27 13:50:03.736 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:03.737 INFO kablam!    --> src/tree.rs:268:14
Oct 27 13:50:03.738 INFO kablam!     |
Oct 27 13:50:03.739 INFO kablam! 268 |         let (mut queue, version, tree) = {
Oct 27 13:50:03.739 INFO kablam!     |              ----^^^^^
Oct 27 13:50:03.740 INFO kablam!     |              |
Oct 27 13:50:03.740 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:03.741 INFO kablam!     |
Oct 27 13:50:03.742 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 13:50:03.742 INFO kablam! 
Oct 27 13:50:03.743 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:03.743 INFO kablam!    --> src/tree.rs:282:14
Oct 27 13:50:03.744 INFO kablam!     |
Oct 27 13:50:03.744 INFO kablam! 282 |         let (mut queue, version, tree) = {
Oct 27 13:50:03.745 INFO kablam!     |              ----^^^^^
Oct 27 13:50:03.746 INFO kablam!     |              |
Oct 27 13:50:03.746 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:03.747 INFO kablam! 
Oct 27 13:50:03.747 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:03.747 INFO kablam!    --> src/tree.rs:295:14
Oct 27 13:50:03.747 INFO kablam!     |
Oct 27 13:50:03.747 INFO kablam! 295 |         let (mut set, version, tree) = {
Oct 27 13:50:03.747 INFO kablam!     |              ----^^^
Oct 27 13:50:03.747 INFO kablam!     |              |
Oct 27 13:50:03.747 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:03.747 INFO kablam! 
Oct 27 13:50:03.747 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:03.747 INFO kablam!    --> src/tree.rs:308:14
Oct 27 13:50:03.747 INFO kablam!     |
Oct 27 13:50:03.747 INFO kablam! 308 |         let (mut set, version, tree) = {
Oct 27 13:50:03.747 INFO kablam!     |              ----^^^
Oct 27 13:50:03.747 INFO kablam!     |              |
Oct 27 13:50:03.747 INFO kablam!     |              help: remove this `mut`
Oct 27 13:50:03.747 INFO kablam! 
Oct 27 13:50:03.747 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:03.747 INFO kablam!    --> src/tree.rs:322:13
Oct 27 13:50:03.747 INFO kablam!     |
Oct 27 13:50:03.747 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Oct 27 13:50:03.747 INFO kablam!     |             ----^^^^^
Oct 27 13:50:03.747 INFO kablam!     |             |
Oct 27 13:50:03.747 INFO kablam!     |             help: remove this `mut`
Oct 27 13:50:03.747 INFO kablam! 
Oct 27 13:50:03.747 INFO kablam! warning: variable does not need to be mutable
Oct 27 13:50:03.747 INFO kablam!    --> src/tree.rs:328:13
Oct 27 13:50:03.747 INFO kablam!     |
Oct 27 13:50:03.747 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Oct 27 13:50:03.747 INFO kablam!     |             ----^^^^^
Oct 27 13:50:03.747 INFO kablam!     |             |
Oct 27 13:50:03.747 INFO kablam!     |             help: remove this `mut`
Oct 27 13:50:03.747 INFO kablam! 
Oct 27 13:50:06.749 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.38s
Oct 27 13:50:06.755 INFO kablam! su: No module specific data is present
Oct 27 13:50:07.191 INFO running `"docker" "rm" "-f" "6327c08910a41895acb3808e5a1636da25513b3db625452943ccfdd0425c606e"`
Oct 27 13:50:07.475 INFO blam! 6327c08910a41895acb3808e5a1636da25513b3db625452943ccfdd0425c606e