[INFO] updating cached repository marony/raft-on-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marony/raft-on-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marony/raft-on-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/marony/raft-on-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marony/raft-on-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marony/raft-on-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marony/raft-on-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marony/raft-on-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e069a7b41fbe41289bea86c7b62b10b2a3761e58
[INFO] sha for GitHub repo marony/raft-on-rust: e069a7b41fbe41289bea86c7b62b10b2a3761e58
[INFO] validating manifest of marony/raft-on-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marony/raft-on-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marony/raft-on-rust
[INFO] finished frobbing marony/raft-on-rust
[INFO] frobbed toml for marony/raft-on-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/marony/raft-on-rust/Cargo.toml
[INFO] started frobbing marony/raft-on-rust
[INFO] finished frobbing marony/raft-on-rust
[INFO] frobbed toml for marony/raft-on-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marony/raft-on-rust/Cargo.toml
[INFO] crate marony/raft-on-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing marony/raft-on-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/marony/raft-on-rust:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6301eae560dbb0e281b19e9dd1c08e69da7960f8ae8c70df2a2de6135d4616b2
[INFO] running `"docker" "start" "-a" "6301eae560dbb0e281b19e9dd1c08e69da7960f8ae8c70df2a2de6135d4616b2"`
[INFO] [stderr]    Compiling bincode v0.6.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling raft-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/raft/receiver.rs:26:54
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn on_receive(&self, message: &message::Message, &address: &SocketAddr) -> (bool, Option<entity::Role>);
[INFO] [stderr]    |                                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/main.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `RwLock`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, RwLock};
[INFO] [stderr]   |                 ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize`
[INFO] [stderr]  --> src/raft/message.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rustc_serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/raft/receiver.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::{Arc, RwLock};
[INFO] [stderr]   |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raft/receiver.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |     logic: Option<Box<RaftLogic>>,
[INFO] [stderr]    |                       ^^^^^^^^^ help: use `dyn`: `dyn RaftLogic`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raft/receiver.rs:90:24
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let logic: Box<RaftLogic> = match role {
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn RaftLogic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> src/raft/sender.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::{Arc, RwLock};
[INFO] [stderr]   |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/raft/sender.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{thread, time};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0642`.
[INFO] [stderr] error: Could not compile `raft-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6301eae560dbb0e281b19e9dd1c08e69da7960f8ae8c70df2a2de6135d4616b2"`
[INFO] running `"docker" "rm" "-f" "6301eae560dbb0e281b19e9dd1c08e69da7960f8ae8c70df2a2de6135d4616b2"`
[INFO] [stdout] 6301eae560dbb0e281b19e9dd1c08e69da7960f8ae8c70df2a2de6135d4616b2