Dec 19 15:05:12.691 INFO checking jmcelwain/raft against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:05:12.691 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:05:13.017 INFO [stdout] 039dd163ad8a28b34ec82b5454e4eebae1e8bf544b11d20cc19a727ba5e0fb23
Dec 19 15:05:13.019 INFO running `"docker" "start" "-a" "039dd163ad8a28b34ec82b5454e4eebae1e8bf544b11d20cc19a727ba5e0fb23"`
Dec 19 15:05:13.726 INFO [stderr]     Checking uuid v0.7.1
Dec 19 15:05:14.432 INFO [stderr]     Checking raft v0.1.0 (/opt/crater/workdir)
Dec 19 15:05:14.677 INFO [stderr] warning: unused variable: `err`
Dec 19 15:05:14.677 INFO [stderr]    --> src/main.rs:188:25
Dec 19 15:05:14.677 INFO [stderr]     |
Dec 19 15:05:14.677 INFO [stderr] 188 |                     Err(err) => panic!("Error!")
Dec 19 15:05:14.677 INFO [stderr]     |                         ^^^ help: consider using `_err` instead
Dec 19 15:05:14.677 INFO [stderr]     |
Dec 19 15:05:14.677 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:05:14.677 INFO [stderr] 
Dec 19 15:05:14.695 INFO [stderr] warning: field is never used: `log`
Dec 19 15:05:14.695 INFO [stderr]   --> src/main.rs:90:5
Dec 19 15:05:14.695 INFO [stderr]    |
Dec 19 15:05:14.695 INFO [stderr] 90 |     log: Vec<Box<[u8]>>,
Dec 19 15:05:14.695 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.695 INFO [stderr]    |
Dec 19 15:05:14.696 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:05:14.696 INFO [stderr] 
Dec 19 15:05:14.696 INFO [stderr] warning: field is never used: `current_term`
Dec 19 15:05:14.696 INFO [stderr]   --> src/main.rs:93:5
Dec 19 15:05:14.696 INFO [stderr]    |
Dec 19 15:05:14.697 INFO [stderr] 93 |     current_term: u8,
Dec 19 15:05:14.697 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:05:14.697 INFO [stderr] 
Dec 19 15:05:14.697 INFO [stderr] warning: field is never used: `voted_for`
Dec 19 15:05:14.697 INFO [stderr]   --> src/main.rs:94:5
Dec 19 15:05:14.697 INFO [stderr]    |
Dec 19 15:05:14.697 INFO [stderr] 94 |     voted_for: NodeId,
Dec 19 15:05:14.697 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.697 INFO [stderr] 
Dec 19 15:05:14.698 INFO [stderr] warning: field is never used: `commit_index`
Dec 19 15:05:14.698 INFO [stderr]   --> src/main.rs:97:5
Dec 19 15:05:14.698 INFO [stderr]    |
Dec 19 15:05:14.698 INFO [stderr] 97 |     commit_index: u8,
Dec 19 15:05:14.698 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:05:14.698 INFO [stderr] 
Dec 19 15:05:14.698 INFO [stderr] warning: field is never used: `last_applied`
Dec 19 15:05:14.698 INFO [stderr]   --> src/main.rs:98:5
Dec 19 15:05:14.698 INFO [stderr]    |
Dec 19 15:05:14.698 INFO [stderr] 98 |     last_applied: u8,
Dec 19 15:05:14.698 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:05:14.698 INFO [stderr] 
Dec 19 15:05:14.698 INFO [stderr] warning: struct is never constructed: `NoopIO`
Dec 19 15:05:14.698 INFO [stderr]    --> src/main.rs:124:1
Dec 19 15:05:14.698 INFO [stderr]     |
Dec 19 15:05:14.698 INFO [stderr] 124 | struct NoopIO {}
Dec 19 15:05:14.698 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 19 15:05:14.698 INFO [stderr] 
Dec 19 15:05:14.698 INFO [stderr] warning: method is never used: `new`
Dec 19 15:05:14.698 INFO [stderr]    --> src/main.rs:127:5
Dec 19 15:05:14.698 INFO [stderr]     |
Dec 19 15:05:14.698 INFO [stderr] 127 |     pub fn new() -> NoopIO {
Dec 19 15:05:14.698 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.699 INFO [stderr] 
Dec 19 15:05:14.699 INFO [stderr] warning: field is never used: `next_index`
Dec 19 15:05:14.699 INFO [stderr]    --> src/main.rs:215:5
Dec 19 15:05:14.699 INFO [stderr]     |
Dec 19 15:05:14.699 INFO [stderr] 215 |     next_index: u8,
Dec 19 15:05:14.699 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 15:05:14.699 INFO [stderr] 
Dec 19 15:05:14.699 INFO [stderr] warning: field is never used: `match_index`
Dec 19 15:05:14.699 INFO [stderr]    --> src/main.rs:216:5
Dec 19 15:05:14.699 INFO [stderr]     |
Dec 19 15:05:14.699 INFO [stderr] 216 |     match_index: u8,
Dec 19 15:05:14.699 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 19 15:05:14.700 INFO [stderr] 
Dec 19 15:05:14.700 INFO [stderr] warning: field is never used: `leader_id`
Dec 19 15:05:14.700 INFO [stderr]    --> src/main.rs:243:5
Dec 19 15:05:14.700 INFO [stderr]     |
Dec 19 15:05:14.700 INFO [stderr] 243 |     leader_id: Option<NodeId>,
Dec 19 15:05:14.700 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.700 INFO [stderr] 
Dec 19 15:05:14.700 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.700 INFO [stderr]   --> src/main.rs:26:5
Dec 19 15:05:14.701 INFO [stderr]    |
Dec 19 15:05:14.701 INFO [stderr] 26 |     candidate.request_vote(2);
Dec 19 15:05:14.701 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.702 INFO [stderr]    |
Dec 19 15:05:14.702 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:05:14.702 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.702 INFO [stderr] 
Dec 19 15:05:14.702 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.702 INFO [stderr]    --> src/main.rs:184:25
Dec 19 15:05:14.703 INFO [stderr]     |
Dec 19 15:05:14.703 INFO [stderr] 184 |                         stream.read(&mut buf);
Dec 19 15:05:14.703 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.704 INFO [stderr]     |
Dec 19 15:05:14.704 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.704 INFO [stderr] 
Dec 19 15:05:14.704 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.704 INFO [stderr]    --> src/main.rs:186:25
Dec 19 15:05:14.704 INFO [stderr]     |
Dec 19 15:05:14.704 INFO [stderr] 186 |                         tx.send(Message::Debug);
Dec 19 15:05:14.704 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.704 INFO [stderr]     |
Dec 19 15:05:14.704 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.704 INFO [stderr] 
Dec 19 15:05:14.705 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.705 INFO [stderr]    --> src/main.rs:197:9
Dec 19 15:05:14.705 INFO [stderr]     |
Dec 19 15:05:14.705 INFO [stderr] 197 |         socket.write_all(vote_request.to_buf());
Dec 19 15:05:14.705 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.705 INFO [stderr]     |
Dec 19 15:05:14.705 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.705 INFO [stderr] 
Dec 19 15:05:14.711 INFO [stderr] warning: unused variable: `err`
Dec 19 15:05:14.711 INFO [stderr]    --> src/main.rs:188:25
Dec 19 15:05:14.711 INFO [stderr]     |
Dec 19 15:05:14.711 INFO [stderr] 188 |                     Err(err) => panic!("Error!")
Dec 19 15:05:14.711 INFO [stderr]     |                         ^^^ help: consider using `_err` instead
Dec 19 15:05:14.711 INFO [stderr]     |
Dec 19 15:05:14.711 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:05:14.711 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: field is never used: `log`
Dec 19 15:05:14.734 INFO [stderr]   --> src/main.rs:90:5
Dec 19 15:05:14.734 INFO [stderr]    |
Dec 19 15:05:14.734 INFO [stderr] 90 |     log: Vec<Box<[u8]>>,
Dec 19 15:05:14.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr]    |
Dec 19 15:05:14.734 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: field is never used: `current_term`
Dec 19 15:05:14.734 INFO [stderr]   --> src/main.rs:93:5
Dec 19 15:05:14.734 INFO [stderr]    |
Dec 19 15:05:14.734 INFO [stderr] 93 |     current_term: u8,
Dec 19 15:05:14.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: field is never used: `voted_for`
Dec 19 15:05:14.734 INFO [stderr]   --> src/main.rs:94:5
Dec 19 15:05:14.734 INFO [stderr]    |
Dec 19 15:05:14.734 INFO [stderr] 94 |     voted_for: NodeId,
Dec 19 15:05:14.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: field is never used: `commit_index`
Dec 19 15:05:14.734 INFO [stderr]   --> src/main.rs:97:5
Dec 19 15:05:14.734 INFO [stderr]    |
Dec 19 15:05:14.734 INFO [stderr] 97 |     commit_index: u8,
Dec 19 15:05:14.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: field is never used: `last_applied`
Dec 19 15:05:14.734 INFO [stderr]   --> src/main.rs:98:5
Dec 19 15:05:14.734 INFO [stderr]    |
Dec 19 15:05:14.734 INFO [stderr] 98 |     last_applied: u8,
Dec 19 15:05:14.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: struct is never constructed: `NoopIO`
Dec 19 15:05:14.734 INFO [stderr]    --> src/main.rs:124:1
Dec 19 15:05:14.734 INFO [stderr]     |
Dec 19 15:05:14.734 INFO [stderr] 124 | struct NoopIO {}
Dec 19 15:05:14.734 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.734 INFO [stderr] warning: method is never used: `new`
Dec 19 15:05:14.734 INFO [stderr]    --> src/main.rs:127:5
Dec 19 15:05:14.734 INFO [stderr]     |
Dec 19 15:05:14.734 INFO [stderr] 127 |     pub fn new() -> NoopIO {
Dec 19 15:05:14.734 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.734 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: field is never used: `next_index`
Dec 19 15:05:14.736 INFO [stderr]    --> src/main.rs:215:5
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr] 215 |     next_index: u8,
Dec 19 15:05:14.736 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 15:05:14.736 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: field is never used: `match_index`
Dec 19 15:05:14.736 INFO [stderr]    --> src/main.rs:216:5
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr] 216 |     match_index: u8,
Dec 19 15:05:14.736 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 19 15:05:14.736 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: field is never used: `leader_id`
Dec 19 15:05:14.736 INFO [stderr]    --> src/main.rs:243:5
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr] 243 |     leader_id: Option<NodeId>,
Dec 19 15:05:14.736 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.736 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.736 INFO [stderr]   --> src/main.rs:26:5
Dec 19 15:05:14.736 INFO [stderr]    |
Dec 19 15:05:14.736 INFO [stderr] 26 |     candidate.request_vote(2);
Dec 19 15:05:14.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.736 INFO [stderr]    |
Dec 19 15:05:14.736 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:05:14.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.736 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.736 INFO [stderr]    --> src/main.rs:184:25
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr] 184 |                         stream.read(&mut buf);
Dec 19 15:05:14.736 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.736 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.736 INFO [stderr]    --> src/main.rs:186:25
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr] 186 |                         tx.send(Message::Debug);
Dec 19 15:05:14.736 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.736 INFO [stderr] 
Dec 19 15:05:14.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:05:14.736 INFO [stderr]    --> src/main.rs:197:9
Dec 19 15:05:14.736 INFO [stderr]     |
Dec 19 15:05:14.736 INFO [stderr] 197 |         socket.write_all(vote_request.to_buf());
Dec 19 15:05:14.737 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:05:14.737 INFO [stderr]     |
Dec 19 15:05:14.737 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:05:14.737 INFO [stderr] 
Dec 19 15:05:14.751 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 19 15:05:15.018 INFO running `"docker" "inspect" "039dd163ad8a28b34ec82b5454e4eebae1e8bf544b11d20cc19a727ba5e0fb23"`
Dec 19 15:05:15.086 INFO running `"docker" "rm" "-f" "039dd163ad8a28b34ec82b5454e4eebae1e8bf544b11d20cc19a727ba5e0fb23"`
Dec 19 15:05:15.187 INFO [stdout] 039dd163ad8a28b34ec82b5454e4eebae1e8bf544b11d20cc19a727ba5e0fb23