[INFO] cloning repository https://github.com/ed-w-lee/raft-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ed-w-lee/raft-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-w-lee%2Fraft-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-w-lee%2Fraft-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93f6505c27e74c423955443909642aee9bd0c115
[INFO] testing ed-w-lee/raft-in-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-w-lee%2Fraft-in-rust" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ed-w-lee/raft-in-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ed-w-lee/raft-in-rust
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ed-w-lee/raft-in-rust
[INFO] tweaked toml for git repo https://github.com/ed-w-lee/raft-in-rust written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/ed-w-lee/raft-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e07353d70cc9aa44b5881a5a93fe8237402b43804bba6989693a2809e64e926
[INFO] running `Command { std: "docker" "start" "-a" "7e07353d70cc9aa44b5881a5a93fe8237402b43804bba6989693a2809e64e926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e07353d70cc9aa44b5881a5a93fe8237402b43804bba6989693a2809e64e926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e07353d70cc9aa44b5881a5a93fe8237402b43804bba6989693a2809e64e926", kill_on_drop: false }`
[INFO] [stdout] 7e07353d70cc9aa44b5881a5a93fe8237402b43804bba6989693a2809e64e926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9adeb494510af19c936a156a1f5ee6e8864e75ba968ead08098727a266e8c1b3
[INFO] running `Command { std: "docker" "start" "-a" "9adeb494510af19c936a156a1f5ee6e8864e75ba968ead08098727a266e8c1b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling rafted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "9adeb494510af19c936a156a1f5ee6e8864e75ba968ead08098727a266e8c1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adeb494510af19c936a156a1f5ee6e8864e75ba968ead08098727a266e8c1b3", kill_on_drop: false }`
[INFO] [stdout] 9adeb494510af19c936a156a1f5ee6e8864e75ba968ead08098727a266e8c1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ddcd75625c1816428fd7a72b4f0064130b7b4db9ea9d48a5a9c1203f81ea7ff
[INFO] running `Command { std: "docker" "start" "-a" "5ddcd75625c1816428fd7a72b4f0064130b7b4db9ea9d48a5a9c1203f81ea7ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rafted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `partition`
[INFO] [stdout]   --> tests/test_utils/helpers.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn partition(sim: &mut Simulation, split: bool, num_nodes: u64, nodes: Vec<NodeId>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `into_index`
[INFO] [stdout]    --> src/examples/tcp_mvp/serialize.rs:405:4
[INFO] [stdout]     |
[INFO] [stdout] 405 | fn into_index(buf: &[u8]) -> Option<LogIndex> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/examples/tcp_mvp/connections.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |         &self.idx.hash(state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = &self.idx.hash(state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/examples/tcp_mvp/connections.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |         &self.fd.hash(state);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let _ = &self.fd.hash(state);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "5ddcd75625c1816428fd7a72b4f0064130b7b4db9ea9d48a5a9c1203f81ea7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddcd75625c1816428fd7a72b4f0064130b7b4db9ea9d48a5a9c1203f81ea7ff", kill_on_drop: false }`
[INFO] [stdout] 5ddcd75625c1816428fd7a72b4f0064130b7b4db9ea9d48a5a9c1203f81ea7ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3797c9a6e116d0dff0ca970b4af25dfa9cd61b920005aeb352f503a2bba4b7d1
[INFO] running `Command { std: "docker" "start" "-a" "3797c9a6e116d0dff0ca970b4af25dfa9cd61b920005aeb352f503a2bba4b7d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `into_index`
[INFO] [stderr]    --> src/examples/tcp_mvp/serialize.rs:405:4
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn into_index(buf: &[u8]) -> Option<LogIndex> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/examples/tcp_mvp/connections.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         &self.idx.hash(state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let _ = &self.idx.hash(state);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/examples/tcp_mvp/connections.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |         &self.fd.hash(state);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let _ = &self.fd.hash(state);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `partition`
[INFO] [stderr]   --> tests/test_utils/helpers.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn partition(sim: &mut Simulation, split: bool, num_nodes: u64, nodes: Vec<NodeId>) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rafted` (example "tcp_mvp") generated 3 warnings
[INFO] [stderr] warning: `rafted` (test "replication") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rafted-591f99784a03e7cb)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/replication.rs (/opt/rustwide/target/debug/deps/replication-08540e9a80f2d9cb)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_redirects_if_not_leader ... ok
[INFO] [stdout] test it_commits_correctly ... ok
[INFO] [stdout] test it_commits_correctly_after_leader_down ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/roles.rs (/opt/rustwide/target/debug/deps/roles-63621fa9421a24b7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test it_has_at_most_one_leader_when_no_drop ... ok
[INFO] [stdout] test it_chooses_new_leader_when_leader_stops ... ok
[INFO] [stdout] test it_chooses_new_leader_after_partition ... ok
[INFO] [stdout] test it_has_no_leaders_when_no_majority ... ok
[INFO] [stderr]    Doc-tests rafted
[INFO] [stdout] test it_has_at_most_one_leader_for_each_term ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.67s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3797c9a6e116d0dff0ca970b4af25dfa9cd61b920005aeb352f503a2bba4b7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3797c9a6e116d0dff0ca970b4af25dfa9cd61b920005aeb352f503a2bba4b7d1", kill_on_drop: false }`
[INFO] [stdout] 3797c9a6e116d0dff0ca970b4af25dfa9cd61b920005aeb352f503a2bba4b7d1