[INFO] fetching crate raft-consensus 0.4.0...
[INFO] testing raft-consensus-0.4.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate raft-consensus 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate raft-consensus 0.4.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60bdf590f98cd38c3dccd2f95285b07b6fd4cfedda4afe4a000b863e59b8d558
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "60bdf590f98cd38c3dccd2f95285b07b6fd4cfedda4afe4a000b863e59b8d558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60bdf590f98cd38c3dccd2f95285b07b6fd4cfedda4afe4a000b863e59b8d558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bdf590f98cd38c3dccd2f95285b07b6fd4cfedda4afe4a000b863e59b8d558", kill_on_drop: false }`
[INFO] [stdout] 60bdf590f98cd38c3dccd2f95285b07b6fd4cfedda4afe4a000b863e59b8d558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b635a6cc352f6a76d06d56fa29131ed705e5e761d9a69d817d803e01173064
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31b635a6cc352f6a76d06d56fa29131ed705e5e761d9a69d817d803e01173064", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling raft-consensus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "31b635a6cc352f6a76d06d56fa29131ed705e5e761d9a69d817d803e01173064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b635a6cc352f6a76d06d56fa29131ed705e5e761d9a69d817d803e01173064", kill_on_drop: false }`
[INFO] [stdout] 31b635a6cc352f6a76d06d56fa29131ed705e5e761d9a69d817d803e01173064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b52a16a72a93803a906177d2ae602504f583116760abc09a4f23976a0190f74
[INFO] running `Command { std: "docker" "start" "-a" "0b52a16a72a93803a906177d2ae602504f583116760abc09a4f23976a0190f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling raft-consensus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     PersistentLog(Box<StdError + 'static + Send + Sync>),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/consensus.rs:1112:24
[INFO] [stdout]      |
[INFO] [stdout] 1112 |             for (peer, mut consensus) in self.peers.iter_mut() {
[INFO] [stdout]      |                        ----^^^^^^^^^
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/consensus.rs:1119:21
[INFO] [stdout]      |
[INFO] [stdout] 1119 |                 let mut entry = timeouts.entry(peer.clone()).or_insert(HashSet::new());
[INFO] [stdout]      |                     ----^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/consensus.rs:1132:21
[INFO] [stdout]      |
[INFO] [stdout] 1132 |                 let mut peer_consensus = self.peers.get_mut(&to).unwrap();
[INFO] [stdout]      |                     ----^^^^^^^^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/consensus.rs:1141:21
[INFO] [stdout]      |
[INFO] [stdout] 1141 |                 let mut entry = timeouts
[INFO] [stdout]      |                     ----^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.36s
[INFO] running `Command { std: "docker" "inspect" "0b52a16a72a93803a906177d2ae602504f583116760abc09a4f23976a0190f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b52a16a72a93803a906177d2ae602504f583116760abc09a4f23976a0190f74", kill_on_drop: false }`
[INFO] [stdout] 0b52a16a72a93803a906177d2ae602504f583116760abc09a4f23976a0190f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcd1475ac02d98833fd1a898f0bd85d0e792822363e1da4c16e8e871e6ba2c98
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dcd1475ac02d98833fd1a898f0bd85d0e792822363e1da4c16e8e871e6ba2c98", kill_on_drop: false }`
[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] 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 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raft_consensus-09b22f191c3ff5b4
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test consensus::test::test_append_reorder ... ok
[INFO] [stdout] test persistent_log::mem::test::test_append_entries ... ok
[INFO] [stdout] test persistent_log::mem::test::test_current_term ... ok
[INFO] [stdout] test state::tests::test_count_match_indexes ... ok
[INFO] [stdout] test persistent_log::fs::test::test_append_entries ... ok
[INFO] [stdout] test consensus::test::test_heartbeat ... ok
[INFO] [stdout] test consensus::test::test_majority ... ok
[INFO] [stdout] test persistent_log::fs::test::test_voted_for ... ok
[INFO] [stdout] test persistent_log::fs::test::test_current_term ... ok
[INFO] [stdout] test persistent_log::mem::test::test_voted_for ... ok
[INFO] [stdout] test consensus::test::test_proposal ... ok
[INFO] [stdout] test consensus::test::test_solitary_consensus_transition_to_leader ... ok
[INFO] [stdout] test persistent_log::fs::test::test_restore_log ... ok
[INFO] [stdout] test consensus::test::test_slow_heartbeat ... 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 `Command { std: "docker" "inspect" "dcd1475ac02d98833fd1a898f0bd85d0e792822363e1da4c16e8e871e6ba2c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd1475ac02d98833fd1a898f0bd85d0e792822363e1da4c16e8e871e6ba2c98", kill_on_drop: false }`
[INFO] [stdout] dcd1475ac02d98833fd1a898f0bd85d0e792822363e1da4c16e8e871e6ba2c98
