[INFO] crate raft-consensus 0.4.0 is already in cache
[INFO] extracting crate raft-consensus 0.4.0 into work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/raft-consensus/0.4.0
[INFO] extracting crate raft-consensus 0.4.0 into work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/reg/raft-consensus/0.4.0
[INFO] validating manifest of raft-consensus-0.4.0 on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of raft-consensus-0.4.0 on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing raft-consensus-0.4.0
[INFO] finished frobbing raft-consensus-0.4.0
[INFO] frobbed toml for raft-consensus-0.4.0 written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/raft-consensus/0.4.0/Cargo.toml
[INFO] started frobbing raft-consensus-0.4.0
[INFO] finished frobbing raft-consensus-0.4.0
[INFO] frobbed toml for raft-consensus-0.4.0 written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/reg/raft-consensus/0.4.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking raft-consensus-0.4.0 against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-3/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/reg/raft-consensus/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04261c4ef5ef9eb832c0c774c1a16c1f2647fa426dfde7afcaa264ada89975b7
[INFO] running `"docker" "start" "-a" "04261c4ef5ef9eb832c0c774c1a16c1f2647fa426dfde7afcaa264ada89975b7"`
[INFO] [stderr]    Compiling raft-consensus v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/consensus.rs:1112:24
[INFO] [stderr]      |
[INFO] [stderr] 1112 |             for (peer, mut consensus) in self.peers.iter_mut() {
[INFO] [stderr]      |                        ----^^^^^^^^^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/consensus.rs:1119:21
[INFO] [stderr]      |
[INFO] [stderr] 1119 |                 let mut entry = timeouts.entry(peer.clone()).or_insert(HashSet::new());
[INFO] [stderr]      |                     ----^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/consensus.rs:1132:21
[INFO] [stderr]      |
[INFO] [stderr] 1132 |                 let mut peer_consensus = self.peers.get_mut(&to).unwrap();
[INFO] [stderr]      |                     ----^^^^^^^^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/consensus.rs:1141:21
[INFO] [stderr]      |
[INFO] [stderr] 1141 |                 let mut entry = timeouts
[INFO] [stderr]      |                     ----^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `"docker" "inspect" "04261c4ef5ef9eb832c0c774c1a16c1f2647fa426dfde7afcaa264ada89975b7"`
[INFO] running `"docker" "rm" "-f" "04261c4ef5ef9eb832c0c774c1a16c1f2647fa426dfde7afcaa264ada89975b7"`
[INFO] [stdout] 04261c4ef5ef9eb832c0c774c1a16c1f2647fa426dfde7afcaa264ada89975b7