Oct 12 19:41:50.313 INFO checking jmcelwain/raft against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:41:50.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 19:41:50.662 INFO blam! 283112c7bd764be3c6c84f321d834a2717b34c6e3d14d6a8871d7b0956c6dbf4
Oct 12 19:41:50.664 INFO running `"docker" "start" "-a" "283112c7bd764be3c6c84f321d834a2717b34c6e3d14d6a8871d7b0956c6dbf4"`
Oct 12 19:41:52.072 INFO kablam! usermod: no changes
Oct 12 19:41:52.176 INFO kablam!     Checking uuid v0.7.1
Oct 12 19:41:53.273 INFO kablam!     Checking raft v0.1.0 (/source)
Oct 12 19:41:53.936 INFO kablam! warning: unused variable: `err`
Oct 12 19:41:53.936 INFO kablam!    --> src/main.rs:188:25
Oct 12 19:41:53.936 INFO kablam!     |
Oct 12 19:41:53.936 INFO kablam! 188 |                     Err(err) => panic!("Error!")
Oct 12 19:41:53.936 INFO kablam!     |                         ^^^ help: consider using `_err` instead
Oct 12 19:41:53.936 INFO kablam!     |
Oct 12 19:41:53.936 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 19:41:53.936 INFO kablam! 
Oct 12 19:41:53.949 INFO kablam! warning: field is never used: `log`
Oct 12 19:41:53.949 INFO kablam!   --> src/main.rs:90:5
Oct 12 19:41:53.949 INFO kablam!    |
Oct 12 19:41:53.949 INFO kablam! 90 |     log: Vec<Box<[u8]>>,
Oct 12 19:41:53.949 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.949 INFO kablam!    |
Oct 12 19:41:53.949 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:41:53.949 INFO kablam! 
Oct 12 19:41:53.949 INFO kablam! warning: field is never used: `current_term`
Oct 12 19:41:53.949 INFO kablam!   --> src/main.rs:93:5
Oct 12 19:41:53.949 INFO kablam!    |
Oct 12 19:41:53.949 INFO kablam! 93 |     current_term: u8,
Oct 12 19:41:53.949 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 19:41:53.949 INFO kablam! 
Oct 12 19:41:53.949 INFO kablam! warning: field is never used: `voted_for`
Oct 12 19:41:53.949 INFO kablam!   --> src/main.rs:94:5
Oct 12 19:41:53.949 INFO kablam!    |
Oct 12 19:41:53.949 INFO kablam! 94 |     voted_for: NodeId,
Oct 12 19:41:53.949 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.949 INFO kablam! 
Oct 12 19:41:53.949 INFO kablam! warning: field is never used: `commit_index`
Oct 12 19:41:53.949 INFO kablam!   --> src/main.rs:97:5
Oct 12 19:41:53.949 INFO kablam!    |
Oct 12 19:41:53.949 INFO kablam! 97 |     commit_index: u8,
Oct 12 19:41:53.949 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 19:41:53.949 INFO kablam! 
Oct 12 19:41:53.950 INFO kablam! warning: field is never used: `last_applied`
Oct 12 19:41:53.950 INFO kablam!   --> src/main.rs:98:5
Oct 12 19:41:53.950 INFO kablam!    |
Oct 12 19:41:53.950 INFO kablam! 98 |     last_applied: u8,
Oct 12 19:41:53.950 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 19:41:53.950 INFO kablam! 
Oct 12 19:41:53.951 INFO kablam! warning: struct is never constructed: `NoopIO`
Oct 12 19:41:53.951 INFO kablam!    --> src/main.rs:124:1
Oct 12 19:41:53.951 INFO kablam!     |
Oct 12 19:41:53.951 INFO kablam! 124 | struct NoopIO {}
Oct 12 19:41:53.951 INFO kablam!     | ^^^^^^^^^^^^^
Oct 12 19:41:53.951 INFO kablam! 
Oct 12 19:41:53.951 INFO kablam! warning: method is never used: `new`
Oct 12 19:41:53.951 INFO kablam!    --> src/main.rs:127:5
Oct 12 19:41:53.951 INFO kablam!     |
Oct 12 19:41:53.951 INFO kablam! 127 |     pub fn new() -> NoopIO {
Oct 12 19:41:53.951 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.951 INFO kablam! 
Oct 12 19:41:53.951 INFO kablam! warning: field is never used: `next_index`
Oct 12 19:41:53.951 INFO kablam!    --> src/main.rs:215:5
Oct 12 19:41:53.951 INFO kablam!     |
Oct 12 19:41:53.951 INFO kablam! 215 |     next_index: u8,
Oct 12 19:41:53.951 INFO kablam!     |     ^^^^^^^^^^^^^^
Oct 12 19:41:53.951 INFO kablam! 
Oct 12 19:41:53.951 INFO kablam! warning: field is never used: `match_index`
Oct 12 19:41:53.951 INFO kablam!    --> src/main.rs:216:5
Oct 12 19:41:53.951 INFO kablam!     |
Oct 12 19:41:53.951 INFO kablam! 216 |     match_index: u8,
Oct 12 19:41:53.951 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 12 19:41:53.951 INFO kablam! 
Oct 12 19:41:53.951 INFO kablam! warning: field is never used: `leader_id`
Oct 12 19:41:53.951 INFO kablam!    --> src/main.rs:243:5
Oct 12 19:41:53.951 INFO kablam!     |
Oct 12 19:41:53.951 INFO kablam! 243 |     leader_id: Option<NodeId>,
Oct 12 19:41:53.951 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.951 INFO kablam! 
Oct 12 19:41:53.952 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:53.952 INFO kablam!   --> src/main.rs:26:5
Oct 12 19:41:53.952 INFO kablam!    |
Oct 12 19:41:53.952 INFO kablam! 26 |     candidate.request_vote(2);
Oct 12 19:41:53.952 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.952 INFO kablam!    |
Oct 12 19:41:53.952 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 19:41:53.952 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:53.952 INFO kablam! 
Oct 12 19:41:53.953 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:53.953 INFO kablam!    --> src/main.rs:184:25
Oct 12 19:41:53.953 INFO kablam!     |
Oct 12 19:41:53.953 INFO kablam! 184 |                         stream.read(&mut buf);
Oct 12 19:41:53.953 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.953 INFO kablam!     |
Oct 12 19:41:53.953 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:53.953 INFO kablam! 
Oct 12 19:41:53.953 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:53.953 INFO kablam!    --> src/main.rs:186:25
Oct 12 19:41:53.953 INFO kablam!     |
Oct 12 19:41:53.954 INFO kablam! 186 |                         tx.send(Message::Debug);
Oct 12 19:41:53.954 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.954 INFO kablam!     |
Oct 12 19:41:53.954 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:53.954 INFO kablam! 
Oct 12 19:41:53.954 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:53.954 INFO kablam!    --> src/main.rs:197:9
Oct 12 19:41:53.954 INFO kablam!     |
Oct 12 19:41:53.954 INFO kablam! 197 |         socket.write_all(vote_request.to_buf());
Oct 12 19:41:53.954 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:53.954 INFO kablam!     |
Oct 12 19:41:53.954 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:53.954 INFO kablam! 
Oct 12 19:41:54.185 INFO kablam! warning: unused variable: `err`
Oct 12 19:41:54.185 INFO kablam!    --> src/main.rs:188:25
Oct 12 19:41:54.185 INFO kablam!     |
Oct 12 19:41:54.185 INFO kablam! 188 |                     Err(err) => panic!("Error!")
Oct 12 19:41:54.185 INFO kablam!     |                         ^^^ help: consider using `_err` instead
Oct 12 19:41:54.185 INFO kablam!     |
Oct 12 19:41:54.185 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 19:41:54.185 INFO kablam! 
Oct 12 19:41:54.209 INFO kablam! warning: field is never used: `log`
Oct 12 19:41:54.210 INFO kablam!   --> src/main.rs:90:5
Oct 12 19:41:54.210 INFO kablam!    |
Oct 12 19:41:54.210 INFO kablam! 90 |     log: Vec<Box<[u8]>>,
Oct 12 19:41:54.210 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam!    |
Oct 12 19:41:54.211 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `current_term`
Oct 12 19:41:54.211 INFO kablam!   --> src/main.rs:93:5
Oct 12 19:41:54.211 INFO kablam!    |
Oct 12 19:41:54.211 INFO kablam! 93 |     current_term: u8,
Oct 12 19:41:54.211 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `voted_for`
Oct 12 19:41:54.211 INFO kablam!   --> src/main.rs:94:5
Oct 12 19:41:54.211 INFO kablam!    |
Oct 12 19:41:54.211 INFO kablam! 94 |     voted_for: NodeId,
Oct 12 19:41:54.211 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `commit_index`
Oct 12 19:41:54.211 INFO kablam!   --> src/main.rs:97:5
Oct 12 19:41:54.211 INFO kablam!    |
Oct 12 19:41:54.211 INFO kablam! 97 |     commit_index: u8,
Oct 12 19:41:54.211 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `last_applied`
Oct 12 19:41:54.211 INFO kablam!   --> src/main.rs:98:5
Oct 12 19:41:54.211 INFO kablam!    |
Oct 12 19:41:54.211 INFO kablam! 98 |     last_applied: u8,
Oct 12 19:41:54.211 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: struct is never constructed: `NoopIO`
Oct 12 19:41:54.211 INFO kablam!    --> src/main.rs:124:1
Oct 12 19:41:54.211 INFO kablam!     |
Oct 12 19:41:54.211 INFO kablam! 124 | struct NoopIO {}
Oct 12 19:41:54.211 INFO kablam!     | ^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: method is never used: `new`
Oct 12 19:41:54.211 INFO kablam!    --> src/main.rs:127:5
Oct 12 19:41:54.211 INFO kablam!     |
Oct 12 19:41:54.211 INFO kablam! 127 |     pub fn new() -> NoopIO {
Oct 12 19:41:54.211 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `next_index`
Oct 12 19:41:54.211 INFO kablam!    --> src/main.rs:215:5
Oct 12 19:41:54.211 INFO kablam!     |
Oct 12 19:41:54.211 INFO kablam! 215 |     next_index: u8,
Oct 12 19:41:54.211 INFO kablam!     |     ^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `match_index`
Oct 12 19:41:54.211 INFO kablam!    --> src/main.rs:216:5
Oct 12 19:41:54.211 INFO kablam!     |
Oct 12 19:41:54.211 INFO kablam! 216 |     match_index: u8,
Oct 12 19:41:54.211 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: field is never used: `leader_id`
Oct 12 19:41:54.211 INFO kablam!    --> src/main.rs:243:5
Oct 12 19:41:54.211 INFO kablam!     |
Oct 12 19:41:54.211 INFO kablam! 243 |     leader_id: Option<NodeId>,
Oct 12 19:41:54.211 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.211 INFO kablam! 
Oct 12 19:41:54.211 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:54.211 INFO kablam!   --> src/main.rs:26:5
Oct 12 19:41:54.211 INFO kablam!    |
Oct 12 19:41:54.212 INFO kablam! 26 |     candidate.request_vote(2);
Oct 12 19:41:54.212 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.212 INFO kablam!    |
Oct 12 19:41:54.212 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 19:41:54.212 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:54.212 INFO kablam! 
Oct 12 19:41:54.214 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:54.214 INFO kablam!    --> src/main.rs:184:25
Oct 12 19:41:54.214 INFO kablam!     |
Oct 12 19:41:54.214 INFO kablam! 184 |                         stream.read(&mut buf);
Oct 12 19:41:54.214 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.214 INFO kablam!     |
Oct 12 19:41:54.214 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:54.214 INFO kablam! 
Oct 12 19:41:54.214 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:54.214 INFO kablam!    --> src/main.rs:186:25
Oct 12 19:41:54.214 INFO kablam!     |
Oct 12 19:41:54.214 INFO kablam! 186 |                         tx.send(Message::Debug);
Oct 12 19:41:54.214 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.215 INFO kablam!     |
Oct 12 19:41:54.215 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:54.215 INFO kablam! 
Oct 12 19:41:54.215 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:41:54.215 INFO kablam!    --> src/main.rs:197:9
Oct 12 19:41:54.215 INFO kablam!     |
Oct 12 19:41:54.215 INFO kablam! 197 |         socket.write_all(vote_request.to_buf());
Oct 12 19:41:54.215 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:54.215 INFO kablam!     |
Oct 12 19:41:54.215 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:41:54.215 INFO kablam! 
Oct 12 19:41:54.244 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Oct 12 19:41:54.256 INFO kablam! su: No module specific data is present
Oct 12 19:41:55.104 INFO running `"docker" "rm" "-f" "283112c7bd764be3c6c84f321d834a2717b34c6e3d14d6a8871d7b0956c6dbf4"`
Oct 12 19:41:55.336 INFO blam! 283112c7bd764be3c6c84f321d834a2717b34c6e3d14d6a8871d7b0956c6dbf4