[INFO] crate raft-consensus 0.4.0 is already in cache
[INFO] testing raft-consensus-0.4.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate raft-consensus 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate raft-consensus 0.4.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate raft-consensus 0.4.0
[INFO] finished tweaking crates.io crate raft-consensus 0.4.0
[INFO] tweaked toml for crates.io crate raft-consensus 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aec03b7ead8b7d2fe100b1b16289da7558ce8d14e890eb902d937a82335f2c22
[INFO] running `"docker" "start" "-a" "aec03b7ead8b7d2fe100b1b16289da7558ce8d14e890eb902d937a82335f2c22"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling raft-consensus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.58s
[INFO] running `"docker" "inspect" "aec03b7ead8b7d2fe100b1b16289da7558ce8d14e890eb902d937a82335f2c22"`
[INFO] running `"docker" "rm" "-f" "aec03b7ead8b7d2fe100b1b16289da7558ce8d14e890eb902d937a82335f2c22"`
[INFO] [stdout] aec03b7ead8b7d2fe100b1b16289da7558ce8d14e890eb902d937a82335f2c22
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69648fe0520d2b53219216cc413c24ecd8345590f952bf4d3b5c6e8f7feea567
[INFO] running `"docker" "start" "-a" "69648fe0520d2b53219216cc413c24ecd8345590f952bf4d3b5c6e8f7feea567"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling raft-consensus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[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] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.94s
[INFO] running `"docker" "inspect" "69648fe0520d2b53219216cc413c24ecd8345590f952bf4d3b5c6e8f7feea567"`
[INFO] running `"docker" "rm" "-f" "69648fe0520d2b53219216cc413c24ecd8345590f952bf4d3b5c6e8f7feea567"`
[INFO] [stdout] 69648fe0520d2b53219216cc413c24ecd8345590f952bf4d3b5c6e8f7feea567
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da2baa5dd6a0a095e75a3c2e247f001c7e967a3deb27dadc31c561be7185a2a8
[INFO] running `"docker" "start" "-a" "da2baa5dd6a0a095e75a3c2e247f001c7e967a3deb27dadc31c561be7185a2a8"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[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] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raft_consensus-dbd6c265bf06a2f2
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test persistent_log::fs::test::test_append_entries ... ok
[INFO] [stdout] test consensus::test::test_solitary_consensus_transition_to_leader ... ok
[INFO] [stdout] test consensus::test::test_slow_heartbeat ... ok
[INFO] [stdout] test persistent_log::fs::test::test_restore_log ... ok
[INFO] [stdout] test consensus::test::test_heartbeat ... ok
[INFO] [stdout] test consensus::test::test_append_reorder ... ok
[INFO] [stdout] test persistent_log::mem::test::test_current_term ... ok
[INFO] [stdout] test persistent_log::mem::test::test_append_entries ... ok
[INFO] [stdout] test persistent_log::fs::test::test_current_term ... ok
[INFO] [stdout] test consensus::test::test_majority ... ok
[INFO] [stdout] test persistent_log::mem::test::test_voted_for ... ok
[INFO] [stdout] test persistent_log::fs::test::test_voted_for ... ok
[INFO] [stdout] test consensus::test::test_proposal ... ok
[INFO] [stdout] test state::tests::test_count_match_indexes ... ok
[INFO] [stdout] test consensus::test::test_election ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests raft-consensus
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "da2baa5dd6a0a095e75a3c2e247f001c7e967a3deb27dadc31c561be7185a2a8"`
[INFO] running `"docker" "rm" "-f" "da2baa5dd6a0a095e75a3c2e247f001c7e967a3deb27dadc31c561be7185a2a8"`
[INFO] [stdout] da2baa5dd6a0a095e75a3c2e247f001c7e967a3deb27dadc31c561be7185a2a8