[INFO] fetching crate connect 0.1.1...
[INFO] checking connect-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate connect 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate connect 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate connect 0.1.1
[INFO] finished tweaking crates.io crate connect 0.1.1
[INFO] tweaked toml for crates.io crate connect 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1999c2cfcc2bb621a1208712ebf6d08460e3567dd59fc59e6c1fce8051ea107b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1999c2cfcc2bb621a1208712ebf6d08460e3567dd59fc59e6c1fce8051ea107b"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking config v0.8.0
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking connect v0.1.1 (/opt/rustwide/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: 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: 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 14.63s
[INFO] running `"docker" "inspect" "1999c2cfcc2bb621a1208712ebf6d08460e3567dd59fc59e6c1fce8051ea107b"`
[INFO] running `"docker" "rm" "-f" "1999c2cfcc2bb621a1208712ebf6d08460e3567dd59fc59e6c1fce8051ea107b"`
[INFO] [stdout] 1999c2cfcc2bb621a1208712ebf6d08460e3567dd59fc59e6c1fce8051ea107b