Dec 04 16:32:36.404 INFO checking jmcelwain/raft against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:32:36.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 16:32:37.013 INFO [stdout] 53c7cd5a60970434769fd5f31f1dd017f4b6feb08630d38786b0c889145a35b7
Dec 04 16:32:37.016 INFO running `"docker" "start" "-a" "53c7cd5a60970434769fd5f31f1dd017f4b6feb08630d38786b0c889145a35b7"`
Dec 04 16:32:38.463 INFO [stderr] usermod: no changes
Dec 04 16:32:38.551 INFO [stderr]     Checking uuid v0.7.1
Dec 04 16:32:39.607 INFO [stderr]     Checking raft v0.1.0 (/source)
Dec 04 16:32:40.267 INFO [stderr] warning: unused variable: `err`
Dec 04 16:32:40.267 INFO [stderr]    --> src/main.rs:188:25
Dec 04 16:32:40.267 INFO [stderr]     |
Dec 04 16:32:40.267 INFO [stderr] 188 |                     Err(err) => panic!("Error!")
Dec 04 16:32:40.267 INFO [stderr]     |                         ^^^ help: consider using `_err` instead
Dec 04 16:32:40.267 INFO [stderr]     |
Dec 04 16:32:40.267 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 16:32:40.267 INFO [stderr] 
Dec 04 16:32:40.307 INFO [stderr] warning: field is never used: `log`
Dec 04 16:32:40.307 INFO [stderr]   --> src/main.rs:90:5
Dec 04 16:32:40.307 INFO [stderr]    |
Dec 04 16:32:40.307 INFO [stderr] 90 |     log: Vec<Box<[u8]>>,
Dec 04 16:32:40.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.307 INFO [stderr]    |
Dec 04 16:32:40.307 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:32:40.307 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: field is never used: `current_term`
Dec 04 16:32:40.311 INFO [stderr]   --> src/main.rs:93:5
Dec 04 16:32:40.311 INFO [stderr]    |
Dec 04 16:32:40.311 INFO [stderr] 93 |     current_term: u8,
Dec 04 16:32:40.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:32:40.311 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: field is never used: `voted_for`
Dec 04 16:32:40.311 INFO [stderr]   --> src/main.rs:94:5
Dec 04 16:32:40.311 INFO [stderr]    |
Dec 04 16:32:40.311 INFO [stderr] 94 |     voted_for: NodeId,
Dec 04 16:32:40.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.311 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: field is never used: `commit_index`
Dec 04 16:32:40.311 INFO [stderr]   --> src/main.rs:97:5
Dec 04 16:32:40.311 INFO [stderr]    |
Dec 04 16:32:40.311 INFO [stderr] 97 |     commit_index: u8,
Dec 04 16:32:40.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:32:40.311 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: field is never used: `last_applied`
Dec 04 16:32:40.311 INFO [stderr]   --> src/main.rs:98:5
Dec 04 16:32:40.311 INFO [stderr]    |
Dec 04 16:32:40.311 INFO [stderr] 98 |     last_applied: u8,
Dec 04 16:32:40.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:32:40.311 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: struct is never constructed: `NoopIO`
Dec 04 16:32:40.311 INFO [stderr]    --> src/main.rs:124:1
Dec 04 16:32:40.311 INFO [stderr]     |
Dec 04 16:32:40.311 INFO [stderr] 124 | struct NoopIO {}
Dec 04 16:32:40.311 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 04 16:32:40.311 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: method is never used: `new`
Dec 04 16:32:40.311 INFO [stderr]    --> src/main.rs:127:5
Dec 04 16:32:40.311 INFO [stderr]     |
Dec 04 16:32:40.311 INFO [stderr] 127 |     pub fn new() -> NoopIO {
Dec 04 16:32:40.311 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.311 INFO [stderr] 
Dec 04 16:32:40.311 INFO [stderr] warning: field is never used: `next_index`
Dec 04 16:32:40.312 INFO [stderr]    --> src/main.rs:215:5
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr] 215 |     next_index: u8,
Dec 04 16:32:40.312 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.312 INFO [stderr] warning: field is never used: `match_index`
Dec 04 16:32:40.312 INFO [stderr]    --> src/main.rs:216:5
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr] 216 |     match_index: u8,
Dec 04 16:32:40.312 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.312 INFO [stderr] warning: field is never used: `leader_id`
Dec 04 16:32:40.312 INFO [stderr]    --> src/main.rs:243:5
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr] 243 |     leader_id: Option<NodeId>,
Dec 04 16:32:40.312 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.312 INFO [stderr]   --> src/main.rs:26:5
Dec 04 16:32:40.312 INFO [stderr]    |
Dec 04 16:32:40.312 INFO [stderr] 26 |     candidate.request_vote(2);
Dec 04 16:32:40.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr]    |
Dec 04 16:32:40.312 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 16:32:40.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.312 INFO [stderr]    --> src/main.rs:184:25
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr] 184 |                         stream.read(&mut buf);
Dec 04 16:32:40.312 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.312 INFO [stderr]    --> src/main.rs:186:25
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr] 186 |                         tx.send(Message::Debug);
Dec 04 16:32:40.312 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.312 INFO [stderr]    --> src/main.rs:197:9
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr] 197 |         socket.write_all(vote_request.to_buf());
Dec 04 16:32:40.312 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.312 INFO [stderr]     |
Dec 04 16:32:40.312 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.312 INFO [stderr] 
Dec 04 16:32:40.434 INFO [stderr] warning: unused variable: `err`
Dec 04 16:32:40.434 INFO [stderr]    --> src/main.rs:188:25
Dec 04 16:32:40.435 INFO [stderr]     |
Dec 04 16:32:40.435 INFO [stderr] 188 |                     Err(err) => panic!("Error!")
Dec 04 16:32:40.435 INFO [stderr]     |                         ^^^ help: consider using `_err` instead
Dec 04 16:32:40.435 INFO [stderr]     |
Dec 04 16:32:40.435 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 16:32:40.435 INFO [stderr] 
Dec 04 16:32:40.456 INFO [stderr] warning: field is never used: `log`
Dec 04 16:32:40.456 INFO [stderr]   --> src/main.rs:90:5
Dec 04 16:32:40.456 INFO [stderr]    |
Dec 04 16:32:40.456 INFO [stderr] 90 |     log: Vec<Box<[u8]>>,
Dec 04 16:32:40.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.457 INFO [stderr]    |
Dec 04 16:32:40.457 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:32:40.457 INFO [stderr] 
Dec 04 16:32:40.457 INFO [stderr] warning: field is never used: `current_term`
Dec 04 16:32:40.457 INFO [stderr]   --> src/main.rs:93:5
Dec 04 16:32:40.457 INFO [stderr]    |
Dec 04 16:32:40.457 INFO [stderr] 93 |     current_term: u8,
Dec 04 16:32:40.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:32:40.457 INFO [stderr] 
Dec 04 16:32:40.457 INFO [stderr] warning: field is never used: `voted_for`
Dec 04 16:32:40.457 INFO [stderr]   --> src/main.rs:94:5
Dec 04 16:32:40.457 INFO [stderr]    |
Dec 04 16:32:40.457 INFO [stderr] 94 |     voted_for: NodeId,
Dec 04 16:32:40.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.457 INFO [stderr] 
Dec 04 16:32:40.457 INFO [stderr] warning: field is never used: `commit_index`
Dec 04 16:32:40.457 INFO [stderr]   --> src/main.rs:97:5
Dec 04 16:32:40.457 INFO [stderr]    |
Dec 04 16:32:40.457 INFO [stderr] 97 |     commit_index: u8,
Dec 04 16:32:40.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:32:40.457 INFO [stderr] 
Dec 04 16:32:40.457 INFO [stderr] warning: field is never used: `last_applied`
Dec 04 16:32:40.457 INFO [stderr]   --> src/main.rs:98:5
Dec 04 16:32:40.457 INFO [stderr]    |
Dec 04 16:32:40.457 INFO [stderr] 98 |     last_applied: u8,
Dec 04 16:32:40.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:32:40.457 INFO [stderr] 
Dec 04 16:32:40.457 INFO [stderr] warning: struct is never constructed: `NoopIO`
Dec 04 16:32:40.457 INFO [stderr]    --> src/main.rs:124:1
Dec 04 16:32:40.457 INFO [stderr]     |
Dec 04 16:32:40.457 INFO [stderr] 124 | struct NoopIO {}
Dec 04 16:32:40.458 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: method is never used: `new`
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:127:5
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 127 |     pub fn new() -> NoopIO {
Dec 04 16:32:40.458 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: field is never used: `next_index`
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:215:5
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 215 |     next_index: u8,
Dec 04 16:32:40.458 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: field is never used: `match_index`
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:216:5
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 216 |     match_index: u8,
Dec 04 16:32:40.458 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: field is never used: `leader_id`
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:243:5
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 243 |     leader_id: Option<NodeId>,
Dec 04 16:32:40.458 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.458 INFO [stderr]   --> src/main.rs:26:5
Dec 04 16:32:40.458 INFO [stderr]    |
Dec 04 16:32:40.458 INFO [stderr] 26 |     candidate.request_vote(2);
Dec 04 16:32:40.458 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr]    |
Dec 04 16:32:40.458 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 16:32:40.458 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:184:25
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 184 |                         stream.read(&mut buf);
Dec 04 16:32:40.458 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:186:25
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 186 |                         tx.send(Message::Debug);
Dec 04 16:32:40.458 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:32:40.458 INFO [stderr]    --> src/main.rs:197:9
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr] 197 |         socket.write_all(vote_request.to_buf());
Dec 04 16:32:40.458 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:32:40.458 INFO [stderr]     |
Dec 04 16:32:40.458 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:32:40.458 INFO [stderr] 
Dec 04 16:32:40.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 04 16:32:40.499 INFO [stderr] su: No module specific data is present
Dec 04 16:32:41.184 INFO running `"docker" "inspect" "53c7cd5a60970434769fd5f31f1dd017f4b6feb08630d38786b0c889145a35b7"`
Dec 04 16:32:41.569 INFO running `"docker" "rm" "-f" "53c7cd5a60970434769fd5f31f1dd017f4b6feb08630d38786b0c889145a35b7"`
Dec 04 16:32:41.931 INFO [stdout] 53c7cd5a60970434769fd5f31f1dd017f4b6feb08630d38786b0c889145a35b7