[INFO] updating cached repository BusyJay/raftfs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BusyJay/raftfs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BusyJay/raftfs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/BusyJay/raftfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/BusyJay/raftfs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BusyJay/raftfs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/BusyJay/raftfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/BusyJay/raftfs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60443ab51b766c0fc39417018bafccf22bf327da
[INFO] sha for GitHub repo BusyJay/raftfs: 60443ab51b766c0fc39417018bafccf22bf327da
[INFO] validating manifest of BusyJay/raftfs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BusyJay/raftfs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BusyJay/raftfs
[INFO] finished frobbing BusyJay/raftfs
[INFO] frobbed toml for BusyJay/raftfs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/BusyJay/raftfs/Cargo.toml
[INFO] started frobbing BusyJay/raftfs
[INFO] finished frobbing BusyJay/raftfs
[INFO] frobbed toml for BusyJay/raftfs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/BusyJay/raftfs/Cargo.toml
[INFO] crate BusyJay/raftfs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BusyJay/raftfs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/BusyJay/raftfs:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0104c445d801f09eb2a7421742853f1cfe6bf61b472e685709bdbcc9008af04e
[INFO] running `"docker" "start" "-a" "0104c445d801f09eb2a7421742853f1cfe6bf61b472e685709bdbcc9008af04e"`
[INFO] [stderr]    Compiling protobuf v2.0.2
[INFO] [stderr]     Checking spin v0.4.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.1
[INFO] [stderr]     Checking raft v0.3.0
[INFO] [stderr]     Checking raft-fs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:382:25
[INFO] [stderr]     |
[INFO] [stderr] 382 |                 Some(Ok(s)) => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |                 self.router.send(msg);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 self.router.send(msg);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |         router.send_command(leader, Msg::Propose { id: 1, cb: Box::new(move |res| tx.send(res.map(|_| "Log is committed")))});
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             router.send_command(leader, Msg::AddPeer { id, cb: Box::new(move |res| tx.send(res.map(|_| ""))) });
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 |     router.send_command(3, Msg::Propose { id: 3, cb: Box::new(move |res| tx.send(res.map(|_| "should failed")))});
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:382:25
[INFO] [stderr]     |
[INFO] [stderr] 382 |                 Some(Ok(s)) => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |                 self.router.send(msg);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 self.router.send(msg);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |         router.send_command(leader, Msg::Propose { id: 1, cb: Box::new(move |res| tx.send(res.map(|_| "Log is committed")))});
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             router.send_command(leader, Msg::AddPeer { id, cb: Box::new(move |res| tx.send(res.map(|_| ""))) });
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 |     router.send_command(3, Msg::Propose { id: 3, cb: Box::new(move |res| tx.send(res.map(|_| "should failed")))});
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `"docker" "inspect" "0104c445d801f09eb2a7421742853f1cfe6bf61b472e685709bdbcc9008af04e"`
[INFO] running `"docker" "rm" "-f" "0104c445d801f09eb2a7421742853f1cfe6bf61b472e685709bdbcc9008af04e"`
[INFO] [stdout] 0104c445d801f09eb2a7421742853f1cfe6bf61b472e685709bdbcc9008af04e