Nov 30 13:22:14.522 INFO checking vertree-0.2.2 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 13:22:14.522 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 13:22:14.776 INFO [stdout] ef4abc52092e0789011704c2b7f5144fd21be0a19927e41e8e5a2e20b4d0fe5f
Nov 30 13:22:14.778 INFO running `"docker" "start" "-a" "ef4abc52092e0789011704c2b7f5144fd21be0a19927e41e8e5a2e20b4d0fe5f"`
Nov 30 13:22:15.331 INFO [stderr] usermod: no changes
Nov 30 13:22:15.520 INFO [stderr]     Checking assert_matches v1.3.0
Nov 30 13:22:15.520 INFO [stderr]     Checking rmp-serde v0.13.7
Nov 30 13:22:15.520 INFO [stderr]     Checking quickcheck v0.4.1
Nov 30 13:22:16.843 INFO [stderr]     Checking vertree v0.2.2 (/source)
Nov 30 13:22:18.720 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:18.720 INFO [stderr]    --> src/tree.rs:268:14
Nov 30 13:22:18.720 INFO [stderr]     |
Nov 30 13:22:18.720 INFO [stderr] 268 |         let (mut queue, version, tree) = {
Nov 30 13:22:18.720 INFO [stderr]     |              ----^^^^^
Nov 30 13:22:18.720 INFO [stderr]     |              |
Nov 30 13:22:18.720 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:18.720 INFO [stderr]     |
Nov 30 13:22:18.720 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 13:22:18.720 INFO [stderr] 
Nov 30 13:22:18.728 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:18.728 INFO [stderr]    --> src/tree.rs:282:14
Nov 30 13:22:18.728 INFO [stderr]     |
Nov 30 13:22:18.728 INFO [stderr] 282 |         let (mut queue, version, tree) = {
Nov 30 13:22:18.728 INFO [stderr]     |              ----^^^^^
Nov 30 13:22:18.728 INFO [stderr]     |              |
Nov 30 13:22:18.728 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:18.728 INFO [stderr] 
Nov 30 13:22:18.728 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:18.728 INFO [stderr]    --> src/tree.rs:295:14
Nov 30 13:22:18.728 INFO [stderr]     |
Nov 30 13:22:18.728 INFO [stderr] 295 |         let (mut set, version, tree) = {
Nov 30 13:22:18.728 INFO [stderr]     |              ----^^^
Nov 30 13:22:18.728 INFO [stderr]     |              |
Nov 30 13:22:18.728 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:18.728 INFO [stderr] 
Nov 30 13:22:18.728 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:18.728 INFO [stderr]    --> src/tree.rs:308:14
Nov 30 13:22:18.728 INFO [stderr]     |
Nov 30 13:22:18.728 INFO [stderr] 308 |         let (mut set, version, tree) = {
Nov 30 13:22:18.728 INFO [stderr]     |              ----^^^
Nov 30 13:22:18.728 INFO [stderr]     |              |
Nov 30 13:22:18.728 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:18.728 INFO [stderr] 
Nov 30 13:22:18.728 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:18.729 INFO [stderr]    --> src/tree.rs:322:13
Nov 30 13:22:18.729 INFO [stderr]     |
Nov 30 13:22:18.729 INFO [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Nov 30 13:22:18.729 INFO [stderr]     |             ----^^^^^
Nov 30 13:22:18.729 INFO [stderr]     |             |
Nov 30 13:22:18.729 INFO [stderr]     |             help: remove this `mut`
Nov 30 13:22:18.729 INFO [stderr] 
Nov 30 13:22:18.729 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:18.729 INFO [stderr]    --> src/tree.rs:328:13
Nov 30 13:22:18.729 INFO [stderr]     |
Nov 30 13:22:18.729 INFO [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
Nov 30 13:22:18.729 INFO [stderr]     |             ----^^^^^
Nov 30 13:22:18.729 INFO [stderr]     |             |
Nov 30 13:22:18.729 INFO [stderr]     |             help: remove this `mut`
Nov 30 13:22:18.729 INFO [stderr] 
Nov 30 13:22:20.696 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:20.696 INFO [stderr]    --> src/tree.rs:268:14
Nov 30 13:22:20.696 INFO [stderr]     |
Nov 30 13:22:20.696 INFO [stderr] 268 |         let (mut queue, version, tree) = {
Nov 30 13:22:20.696 INFO [stderr]     |              ----^^^^^
Nov 30 13:22:20.696 INFO [stderr]     |              |
Nov 30 13:22:20.696 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:20.696 INFO [stderr]     |
Nov 30 13:22:20.697 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 13:22:20.697 INFO [stderr] 
Nov 30 13:22:20.697 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:20.697 INFO [stderr]    --> src/tree.rs:282:14
Nov 30 13:22:20.697 INFO [stderr]     |
Nov 30 13:22:20.697 INFO [stderr] 282 |         let (mut queue, version, tree) = {
Nov 30 13:22:20.697 INFO [stderr]     |              ----^^^^^
Nov 30 13:22:20.697 INFO [stderr]     |              |
Nov 30 13:22:20.697 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:20.697 INFO [stderr] 
Nov 30 13:22:20.697 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:20.697 INFO [stderr]    --> src/tree.rs:295:14
Nov 30 13:22:20.697 INFO [stderr]     |
Nov 30 13:22:20.697 INFO [stderr] 295 |         let (mut set, version, tree) = {
Nov 30 13:22:20.697 INFO [stderr]     |              ----^^^
Nov 30 13:22:20.697 INFO [stderr]     |              |
Nov 30 13:22:20.697 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:20.697 INFO [stderr] 
Nov 30 13:22:20.697 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:20.697 INFO [stderr]    --> src/tree.rs:308:14
Nov 30 13:22:20.697 INFO [stderr]     |
Nov 30 13:22:20.697 INFO [stderr] 308 |         let (mut set, version, tree) = {
Nov 30 13:22:20.697 INFO [stderr]     |              ----^^^
Nov 30 13:22:20.697 INFO [stderr]     |              |
Nov 30 13:22:20.697 INFO [stderr]     |              help: remove this `mut`
Nov 30 13:22:20.697 INFO [stderr] 
Nov 30 13:22:20.697 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:20.697 INFO [stderr]    --> src/tree.rs:322:13
Nov 30 13:22:20.697 INFO [stderr]     |
Nov 30 13:22:20.697 INFO [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Nov 30 13:22:20.697 INFO [stderr]     |             ----^^^^^
Nov 30 13:22:20.697 INFO [stderr]     |             |
Nov 30 13:22:20.697 INFO [stderr]     |             help: remove this `mut`
Nov 30 13:22:20.697 INFO [stderr] 
Nov 30 13:22:20.697 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:22:20.697 INFO [stderr]    --> src/tree.rs:328:13
Nov 30 13:22:20.697 INFO [stderr]     |
Nov 30 13:22:20.697 INFO [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
Nov 30 13:22:20.697 INFO [stderr]     |             ----^^^^^
Nov 30 13:22:20.697 INFO [stderr]     |             |
Nov 30 13:22:20.697 INFO [stderr]     |             help: remove this `mut`
Nov 30 13:22:20.697 INFO [stderr] 
Nov 30 13:22:21.030 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
Nov 30 13:22:21.035 INFO [stderr] su: No module specific data is present
Nov 30 13:22:21.348 INFO running `"docker" "inspect" "ef4abc52092e0789011704c2b7f5144fd21be0a19927e41e8e5a2e20b4d0fe5f"`
Nov 30 13:22:21.446 INFO running `"docker" "rm" "-f" "ef4abc52092e0789011704c2b7f5144fd21be0a19927e41e8e5a2e20b4d0fe5f"`
Nov 30 13:22:21.589 INFO [stdout] ef4abc52092e0789011704c2b7f5144fd21be0a19927e41e8e5a2e20b4d0fe5f