Dec 17 22:13:12.329 INFO checking jmcelwain/raft against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:13:12.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jmcelwain/raft:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:13:12.884 INFO [stdout] 3232010ec56740cc29ab01cc72c4d762c3e132fdaf08d136bd123973a86a84a1
Dec 17 22:13:12.892 INFO running `"docker" "start" "-a" "3232010ec56740cc29ab01cc72c4d762c3e132fdaf08d136bd123973a86a84a1"`
Dec 17 22:13:13.768 INFO [stderr]     Checking uuid v0.7.1
Dec 17 22:13:14.515 INFO [stderr]     Checking raft v0.1.0 (/opt/crater/workdir)
Dec 17 22:13:14.804 INFO [stderr] warning: unused variable: `err`
Dec 17 22:13:14.804 INFO [stderr]    --> src/main.rs:188:25
Dec 17 22:13:14.804 INFO [stderr]     |
Dec 17 22:13:14.804 INFO [stderr] 188 |                     Err(err) => panic!("Error!")
Dec 17 22:13:14.804 INFO [stderr]     |                         ^^^ help: consider using `_err` instead
Dec 17 22:13:14.804 INFO [stderr]     |
Dec 17 22:13:14.804 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 22:13:14.804 INFO [stderr] 
Dec 17 22:13:14.829 INFO [stderr] warning: field is never used: `log`
Dec 17 22:13:14.829 INFO [stderr]   --> src/main.rs:90:5
Dec 17 22:13:14.829 INFO [stderr]    |
Dec 17 22:13:14.829 INFO [stderr] 90 |     log: Vec<Box<[u8]>>,
Dec 17 22:13:14.829 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.830 INFO [stderr]    |
Dec 17 22:13:14.830 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:13:14.830 INFO [stderr] 
Dec 17 22:13:14.830 INFO [stderr] warning: field is never used: `current_term`
Dec 17 22:13:14.830 INFO [stderr]   --> src/main.rs:93:5
Dec 17 22:13:14.830 INFO [stderr]    |
Dec 17 22:13:14.830 INFO [stderr] 93 |     current_term: u8,
Dec 17 22:13:14.830 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:13:14.830 INFO [stderr] 
Dec 17 22:13:14.830 INFO [stderr] warning: field is never used: `voted_for`
Dec 17 22:13:14.830 INFO [stderr]   --> src/main.rs:94:5
Dec 17 22:13:14.830 INFO [stderr]    |
Dec 17 22:13:14.830 INFO [stderr] 94 |     voted_for: NodeId,
Dec 17 22:13:14.830 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.830 INFO [stderr] 
Dec 17 22:13:14.830 INFO [stderr] warning: field is never used: `commit_index`
Dec 17 22:13:14.830 INFO [stderr]   --> src/main.rs:97:5
Dec 17 22:13:14.830 INFO [stderr]    |
Dec 17 22:13:14.830 INFO [stderr] 97 |     commit_index: u8,
Dec 17 22:13:14.830 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:13:14.830 INFO [stderr] 
Dec 17 22:13:14.830 INFO [stderr] warning: field is never used: `last_applied`
Dec 17 22:13:14.830 INFO [stderr]   --> src/main.rs:98:5
Dec 17 22:13:14.830 INFO [stderr]    |
Dec 17 22:13:14.830 INFO [stderr] 98 |     last_applied: u8,
Dec 17 22:13:14.830 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:13:14.830 INFO [stderr] 
Dec 17 22:13:14.830 INFO [stderr] warning: struct is never constructed: `NoopIO`
Dec 17 22:13:14.830 INFO [stderr]    --> src/main.rs:124:1
Dec 17 22:13:14.830 INFO [stderr]     |
Dec 17 22:13:14.830 INFO [stderr] 124 | struct NoopIO {}
Dec 17 22:13:14.830 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 22:13:14.830 INFO [stderr] 
Dec 17 22:13:14.831 INFO [stderr] warning: method is never used: `new`
Dec 17 22:13:14.831 INFO [stderr]    --> src/main.rs:127:5
Dec 17 22:13:14.831 INFO [stderr]     |
Dec 17 22:13:14.831 INFO [stderr] 127 |     pub fn new() -> NoopIO {
Dec 17 22:13:14.831 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.831 INFO [stderr] 
Dec 17 22:13:14.831 INFO [stderr] warning: field is never used: `next_index`
Dec 17 22:13:14.831 INFO [stderr]    --> src/main.rs:215:5
Dec 17 22:13:14.831 INFO [stderr]     |
Dec 17 22:13:14.831 INFO [stderr] 215 |     next_index: u8,
Dec 17 22:13:14.831 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 17 22:13:14.831 INFO [stderr] 
Dec 17 22:13:14.831 INFO [stderr] warning: field is never used: `match_index`
Dec 17 22:13:14.831 INFO [stderr]    --> src/main.rs:216:5
Dec 17 22:13:14.831 INFO [stderr]     |
Dec 17 22:13:14.831 INFO [stderr] 216 |     match_index: u8,
Dec 17 22:13:14.831 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 17 22:13:14.831 INFO [stderr] 
Dec 17 22:13:14.831 INFO [stderr] warning: field is never used: `leader_id`
Dec 17 22:13:14.831 INFO [stderr]    --> src/main.rs:243:5
Dec 17 22:13:14.831 INFO [stderr]     |
Dec 17 22:13:14.831 INFO [stderr] 243 |     leader_id: Option<NodeId>,
Dec 17 22:13:14.831 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.831 INFO [stderr] 
Dec 17 22:13:14.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.832 INFO [stderr]   --> src/main.rs:26:5
Dec 17 22:13:14.832 INFO [stderr]    |
Dec 17 22:13:14.832 INFO [stderr] 26 |     candidate.request_vote(2);
Dec 17 22:13:14.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.832 INFO [stderr]    |
Dec 17 22:13:14.832 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:13:14.832 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.832 INFO [stderr] 
Dec 17 22:13:14.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.836 INFO [stderr]    --> src/main.rs:184:25
Dec 17 22:13:14.836 INFO [stderr]     |
Dec 17 22:13:14.836 INFO [stderr] 184 |                         stream.read(&mut buf);
Dec 17 22:13:14.836 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.836 INFO [stderr]     |
Dec 17 22:13:14.836 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.836 INFO [stderr] 
Dec 17 22:13:14.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.836 INFO [stderr]    --> src/main.rs:186:25
Dec 17 22:13:14.836 INFO [stderr]     |
Dec 17 22:13:14.836 INFO [stderr] 186 |                         tx.send(Message::Debug);
Dec 17 22:13:14.836 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.836 INFO [stderr]     |
Dec 17 22:13:14.836 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.836 INFO [stderr] 
Dec 17 22:13:14.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.836 INFO [stderr]    --> src/main.rs:197:9
Dec 17 22:13:14.836 INFO [stderr]     |
Dec 17 22:13:14.836 INFO [stderr] 197 |         socket.write_all(vote_request.to_buf());
Dec 17 22:13:14.836 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.836 INFO [stderr]     |
Dec 17 22:13:14.836 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.836 INFO [stderr] 
Dec 17 22:13:14.872 INFO [stderr] warning: unused variable: `err`
Dec 17 22:13:14.872 INFO [stderr]    --> src/main.rs:188:25
Dec 17 22:13:14.872 INFO [stderr]     |
Dec 17 22:13:14.872 INFO [stderr] 188 |                     Err(err) => panic!("Error!")
Dec 17 22:13:14.872 INFO [stderr]     |                         ^^^ help: consider using `_err` instead
Dec 17 22:13:14.872 INFO [stderr]     |
Dec 17 22:13:14.872 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 22:13:14.872 INFO [stderr] 
Dec 17 22:13:14.888 INFO [stderr] warning: field is never used: `log`
Dec 17 22:13:14.888 INFO [stderr]   --> src/main.rs:90:5
Dec 17 22:13:14.888 INFO [stderr]    |
Dec 17 22:13:14.888 INFO [stderr] 90 |     log: Vec<Box<[u8]>>,
Dec 17 22:13:14.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.888 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `current_term`
Dec 17 22:13:14.889 INFO [stderr]   --> src/main.rs:93:5
Dec 17 22:13:14.889 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr] 93 |     current_term: u8,
Dec 17 22:13:14.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `voted_for`
Dec 17 22:13:14.889 INFO [stderr]   --> src/main.rs:94:5
Dec 17 22:13:14.889 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr] 94 |     voted_for: NodeId,
Dec 17 22:13:14.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `commit_index`
Dec 17 22:13:14.889 INFO [stderr]   --> src/main.rs:97:5
Dec 17 22:13:14.889 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr] 97 |     commit_index: u8,
Dec 17 22:13:14.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `last_applied`
Dec 17 22:13:14.889 INFO [stderr]   --> src/main.rs:98:5
Dec 17 22:13:14.889 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr] 98 |     last_applied: u8,
Dec 17 22:13:14.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: struct is never constructed: `NoopIO`
Dec 17 22:13:14.889 INFO [stderr]    --> src/main.rs:124:1
Dec 17 22:13:14.889 INFO [stderr]     |
Dec 17 22:13:14.889 INFO [stderr] 124 | struct NoopIO {}
Dec 17 22:13:14.889 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: method is never used: `new`
Dec 17 22:13:14.889 INFO [stderr]    --> src/main.rs:127:5
Dec 17 22:13:14.889 INFO [stderr]     |
Dec 17 22:13:14.889 INFO [stderr] 127 |     pub fn new() -> NoopIO {
Dec 17 22:13:14.889 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `next_index`
Dec 17 22:13:14.889 INFO [stderr]    --> src/main.rs:215:5
Dec 17 22:13:14.889 INFO [stderr]     |
Dec 17 22:13:14.889 INFO [stderr] 215 |     next_index: u8,
Dec 17 22:13:14.889 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `match_index`
Dec 17 22:13:14.889 INFO [stderr]    --> src/main.rs:216:5
Dec 17 22:13:14.889 INFO [stderr]     |
Dec 17 22:13:14.889 INFO [stderr] 216 |     match_index: u8,
Dec 17 22:13:14.889 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: field is never used: `leader_id`
Dec 17 22:13:14.889 INFO [stderr]    --> src/main.rs:243:5
Dec 17 22:13:14.889 INFO [stderr]     |
Dec 17 22:13:14.889 INFO [stderr] 243 |     leader_id: Option<NodeId>,
Dec 17 22:13:14.889 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.889 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.889 INFO [stderr]   --> src/main.rs:26:5
Dec 17 22:13:14.889 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr] 26 |     candidate.request_vote(2);
Dec 17 22:13:14.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.889 INFO [stderr]    |
Dec 17 22:13:14.889 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:13:14.889 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.889 INFO [stderr] 
Dec 17 22:13:14.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.890 INFO [stderr]    --> src/main.rs:184:25
Dec 17 22:13:14.890 INFO [stderr]     |
Dec 17 22:13:14.890 INFO [stderr] 184 |                         stream.read(&mut buf);
Dec 17 22:13:14.890 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.890 INFO [stderr]     |
Dec 17 22:13:14.890 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.890 INFO [stderr] 
Dec 17 22:13:14.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.890 INFO [stderr]    --> src/main.rs:186:25
Dec 17 22:13:14.890 INFO [stderr]     |
Dec 17 22:13:14.890 INFO [stderr] 186 |                         tx.send(Message::Debug);
Dec 17 22:13:14.890 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.890 INFO [stderr]     |
Dec 17 22:13:14.890 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.890 INFO [stderr] 
Dec 17 22:13:14.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:13:14.890 INFO [stderr]    --> src/main.rs:197:9
Dec 17 22:13:14.890 INFO [stderr]     |
Dec 17 22:13:14.890 INFO [stderr] 197 |         socket.write_all(vote_request.to_buf());
Dec 17 22:13:14.890 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:13:14.890 INFO [stderr]     |
Dec 17 22:13:14.890 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:13:14.890 INFO [stderr] 
Dec 17 22:13:14.914 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Dec 17 22:13:15.347 INFO running `"docker" "inspect" "3232010ec56740cc29ab01cc72c4d762c3e132fdaf08d136bd123973a86a84a1"`
Dec 17 22:13:15.458 INFO running `"docker" "rm" "-f" "3232010ec56740cc29ab01cc72c4d762c3e132fdaf08d136bd123973a86a84a1"`
Dec 17 22:13:15.596 INFO [stdout] 3232010ec56740cc29ab01cc72c4d762c3e132fdaf08d136bd123973a86a84a1