Nov 02 23:52:48.353 INFO checking vertree-0.2.2 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 23:52:48.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 23:52:48.768 INFO blam! ee1c66a6e24ee215232b42c2d9eea36045f7e0da5621d14a73154782cb10777e
Nov 02 23:52:48.772 INFO running `"docker" "start" "-a" "ee1c66a6e24ee215232b42c2d9eea36045f7e0da5621d14a73154782cb10777e"`
Nov 02 23:52:49.342 INFO kablam! usermod: no changes
Nov 02 23:52:49.468 INFO kablam!    Compiling serde v1.0.80
Nov 02 23:52:49.468 INFO kablam!     Checking assert_matches v1.3.0
Nov 02 23:52:49.468 INFO kablam!     Checking error-chain v0.10.0
Nov 02 23:53:01.608 INFO kablam!     Checking rmp-serde v0.13.7
Nov 02 23:53:02.684 INFO kablam!     Checking vertree v0.2.2 (/source)
Nov 02 23:53:05.004 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:05.004 INFO kablam!    --> src/tree.rs:268:14
Nov 02 23:53:05.004 INFO kablam!     |
Nov 02 23:53:05.004 INFO kablam! 268 |         let (mut queue, version, tree) = {
Nov 02 23:53:05.004 INFO kablam!     |              ----^^^^^
Nov 02 23:53:05.004 INFO kablam!     |              |
Nov 02 23:53:05.004 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:05.004 INFO kablam!     |
Nov 02 23:53:05.004 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 23:53:05.004 INFO kablam! 
Nov 02 23:53:05.004 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:05.004 INFO kablam!    --> src/tree.rs:282:14
Nov 02 23:53:05.004 INFO kablam!     |
Nov 02 23:53:05.004 INFO kablam! 282 |         let (mut queue, version, tree) = {
Nov 02 23:53:05.004 INFO kablam!     |              ----^^^^^
Nov 02 23:53:05.004 INFO kablam!     |              |
Nov 02 23:53:05.004 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:05.005 INFO kablam! 
Nov 02 23:53:05.006 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:05.006 INFO kablam!    --> src/tree.rs:295:14
Nov 02 23:53:05.006 INFO kablam!     |
Nov 02 23:53:05.006 INFO kablam! 295 |         let (mut set, version, tree) = {
Nov 02 23:53:05.006 INFO kablam!     |              ----^^^
Nov 02 23:53:05.006 INFO kablam!     |              |
Nov 02 23:53:05.006 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:05.006 INFO kablam! 
Nov 02 23:53:05.012 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:05.012 INFO kablam!    --> src/tree.rs:308:14
Nov 02 23:53:05.012 INFO kablam!     |
Nov 02 23:53:05.012 INFO kablam! 308 |         let (mut set, version, tree) = {
Nov 02 23:53:05.012 INFO kablam!     |              ----^^^
Nov 02 23:53:05.012 INFO kablam!     |              |
Nov 02 23:53:05.012 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:05.012 INFO kablam! 
Nov 02 23:53:05.012 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:05.012 INFO kablam!    --> src/tree.rs:322:13
Nov 02 23:53:05.012 INFO kablam!     |
Nov 02 23:53:05.012 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Nov 02 23:53:05.012 INFO kablam!     |             ----^^^^^
Nov 02 23:53:05.012 INFO kablam!     |             |
Nov 02 23:53:05.012 INFO kablam!     |             help: remove this `mut`
Nov 02 23:53:05.012 INFO kablam! 
Nov 02 23:53:05.012 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:05.012 INFO kablam!    --> src/tree.rs:328:13
Nov 02 23:53:05.012 INFO kablam!     |
Nov 02 23:53:05.012 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Nov 02 23:53:05.012 INFO kablam!     |             ----^^^^^
Nov 02 23:53:05.013 INFO kablam!     |             |
Nov 02 23:53:05.013 INFO kablam!     |             help: remove this `mut`
Nov 02 23:53:05.013 INFO kablam! 
Nov 02 23:53:07.224 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:07.225 INFO kablam!    --> src/tree.rs:268:14
Nov 02 23:53:07.225 INFO kablam!     |
Nov 02 23:53:07.225 INFO kablam! 268 |         let (mut queue, version, tree) = {
Nov 02 23:53:07.225 INFO kablam!     |              ----^^^^^
Nov 02 23:53:07.225 INFO kablam!     |              |
Nov 02 23:53:07.225 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:07.225 INFO kablam!     |
Nov 02 23:53:07.225 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 23:53:07.225 INFO kablam! 
Nov 02 23:53:07.225 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:07.225 INFO kablam!    --> src/tree.rs:282:14
Nov 02 23:53:07.225 INFO kablam!     |
Nov 02 23:53:07.225 INFO kablam! 282 |         let (mut queue, version, tree) = {
Nov 02 23:53:07.225 INFO kablam!     |              ----^^^^^
Nov 02 23:53:07.225 INFO kablam!     |              |
Nov 02 23:53:07.225 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:07.225 INFO kablam! 
Nov 02 23:53:07.225 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:07.225 INFO kablam!    --> src/tree.rs:295:14
Nov 02 23:53:07.225 INFO kablam!     |
Nov 02 23:53:07.225 INFO kablam! 295 |         let (mut set, version, tree) = {
Nov 02 23:53:07.225 INFO kablam!     |              ----^^^
Nov 02 23:53:07.225 INFO kablam!     |              |
Nov 02 23:53:07.225 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:07.226 INFO kablam! 
Nov 02 23:53:07.226 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:07.226 INFO kablam!    --> src/tree.rs:308:14
Nov 02 23:53:07.226 INFO kablam!     |
Nov 02 23:53:07.226 INFO kablam! 308 |         let (mut set, version, tree) = {
Nov 02 23:53:07.226 INFO kablam!     |              ----^^^
Nov 02 23:53:07.226 INFO kablam!     |              |
Nov 02 23:53:07.226 INFO kablam!     |              help: remove this `mut`
Nov 02 23:53:07.226 INFO kablam! 
Nov 02 23:53:07.226 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:07.226 INFO kablam!    --> src/tree.rs:322:13
Nov 02 23:53:07.226 INFO kablam!     |
Nov 02 23:53:07.226 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Nov 02 23:53:07.226 INFO kablam!     |             ----^^^^^
Nov 02 23:53:07.226 INFO kablam!     |             |
Nov 02 23:53:07.226 INFO kablam!     |             help: remove this `mut`
Nov 02 23:53:07.226 INFO kablam! 
Nov 02 23:53:07.226 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:53:07.226 INFO kablam!    --> src/tree.rs:328:13
Nov 02 23:53:07.226 INFO kablam!     |
Nov 02 23:53:07.226 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Nov 02 23:53:07.226 INFO kablam!     |             ----^^^^^
Nov 02 23:53:07.226 INFO kablam!     |             |
Nov 02 23:53:07.226 INFO kablam!     |             help: remove this `mut`
Nov 02 23:53:07.227 INFO kablam! 
Nov 02 23:53:09.493 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.12s
Nov 02 23:53:09.500 INFO kablam! su: No module specific data is present
Nov 02 23:53:10.336 INFO running `"docker" "rm" "-f" "ee1c66a6e24ee215232b42c2d9eea36045f7e0da5621d14a73154782cb10777e"`
Nov 02 23:53:10.518 INFO blam! ee1c66a6e24ee215232b42c2d9eea36045f7e0da5621d14a73154782cb10777e