[INFO] crate connect 0.1.1 is already in cache
[INFO] extracting crate connect 0.1.1 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/connect/0.1.1
[INFO] extracting crate connect 0.1.1 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/connect/0.1.1
[INFO] validating manifest of connect-0.1.1 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of connect-0.1.1 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing connect-0.1.1
[INFO] finished frobbing connect-0.1.1
[INFO] frobbed toml for connect-0.1.1 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/connect/0.1.1/Cargo.toml
[INFO] started frobbing connect-0.1.1
[INFO] finished frobbing connect-0.1.1
[INFO] frobbed toml for connect-0.1.1 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/connect/0.1.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking connect-0.1.1 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-3/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/connect/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1df3a94a9740c51b7e2636f949d1f9c537b7f48a2bf850c8fe67c38160bbff15
[INFO] running `"docker" "start" "-a" "1df3a94a9740c51b7e2636f949d1f9c537b7f48a2bf850c8fe67c38160bbff15"`
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking connect v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/consensus/node_state.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn add_logs(&mut self, index: LogIndex, mut logs: Vec<LogEntry>) -> Result<(), Error> {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `match_indexes`
[INFO] [stderr]    --> src/consensus/state_machine.rs:754:17
[INFO] [stderr]     |
[INFO] [stderr] 754 |                 match_indexes,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `match_indexes: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/executor/client_server_executor.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let handle = connection.handle();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consensus/state_machine.rs:581:33
[INFO] [stderr]     |
[INFO] [stderr] 581 |                             let mut current_match_index =
[INFO] [stderr]     |                                 ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consensus/state_machine.rs:583:33
[INFO] [stderr]     |
[INFO] [stderr] 583 |                             let mut current_next_index =
[INFO] [stderr]     |                                 ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consensus/state_machine.rs:603:33
[INFO] [stderr]     |
[INFO] [stderr] 603 |                             let mut next_index = next_indexes.get_mut(&from_node_id).unwrap();
[INFO] [stderr]     |                                 ----^^^^^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/consensus/node_state.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn add_logs(&mut self, index: LogIndex, mut logs: Vec<LogEntry>) -> Result<(), Error> {
[INFO] [stderr]    |                                ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `match_indexes`
[INFO] [stderr]    --> src/consensus/state_machine.rs:754:17
[INFO] [stderr]     |
[INFO] [stderr] 754 |                 match_indexes,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `match_indexes: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/executor/client_server_executor.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let handle = connection.handle();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consensus/state_machine.rs:581:33
[INFO] [stderr]     |
[INFO] [stderr] 581 |                             let mut current_match_index =
[INFO] [stderr]     |                                 ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consensus/state_machine.rs:583:33
[INFO] [stderr]     |
[INFO] [stderr] 583 |                             let mut current_next_index =
[INFO] [stderr]     |                                 ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consensus/state_machine.rs:603:33
[INFO] [stderr]     |
[INFO] [stderr] 603 |                             let mut next_index = next_indexes.get_mut(&from_node_id).unwrap();
[INFO] [stderr]     |                                 ----^^^^^^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get_last_applied(&self) -> LogIndex {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn set_last_applied(&mut self, last_applied: LogIndex) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `on_read`
[INFO] [stderr]   --> src/server/server.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub(crate) on_read: R,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `on_write`
[INFO] [stderr]   --> src/server/server.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub(crate) on_write: W,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `service_type`
[INFO] [stderr]   --> src/server/server.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(crate) service_type: ServiceType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get_last_applied(&self) -> LogIndex {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn set_last_applied(&mut self, last_applied: LogIndex) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `on_read`
[INFO] [stderr]   --> src/server/server.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub(crate) on_read: R,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `on_write`
[INFO] [stderr]   --> src/server/server.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub(crate) on_write: W,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `service_type`
[INFO] [stderr]   --> src/server/server.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(crate) service_type: ServiceType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `"docker" "inspect" "1df3a94a9740c51b7e2636f949d1f9c537b7f48a2bf850c8fe67c38160bbff15"`
[INFO] running `"docker" "rm" "-f" "1df3a94a9740c51b7e2636f949d1f9c537b7f48a2bf850c8fe67c38160bbff15"`
[INFO] [stdout] 1df3a94a9740c51b7e2636f949d1f9c537b7f48a2bf850c8fe67c38160bbff15