[INFO] fetching crate connect 0.1.1...
[INFO] testing connect-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate connect 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate connect 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b7cb81d560edbb1d608b670e54038a688db6b839ff6ddce184538f01930e0f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88b7cb81d560edbb1d608b670e54038a688db6b839ff6ddce184538f01930e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b7cb81d560edbb1d608b670e54038a688db6b839ff6ddce184538f01930e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b7cb81d560edbb1d608b670e54038a688db6b839ff6ddce184538f01930e0f", kill_on_drop: false }`
[INFO] [stdout] 88b7cb81d560edbb1d608b670e54038a688db6b839ff6ddce184538f01930e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 065cc3de5ec7ee7836b2f8b04d7559453d79844513fce097b015b6a820f852d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "065cc3de5ec7ee7836b2f8b04d7559453d79844513fce097b015b6a820f852d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling config v0.8.0
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling connect v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/consensus/node_state.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn add_logs(&mut self, index: LogIndex, mut logs: Vec<LogEntry>) -> Result<(), Error> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_indexes`
[INFO] [stdout]    --> src/consensus/state_machine.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |                 match_indexes,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `match_indexes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/executor/client_server_executor.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let handle = connection.handle();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:581:33
[INFO] [stdout]     |
[INFO] [stdout] 581 | ...                   let mut current_match_index =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:583:33
[INFO] [stdout]     |
[INFO] [stdout] 583 | ...                   let mut current_next_index =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:603:33
[INFO] [stdout]     |
[INFO] [stdout] 603 | ...                   let mut next_index = next_indexes.get_mut(&from_node_id).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_applied`
[INFO] [stdout]   --> src/consensus/node_state.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_last_applied(&self) -> LogIndex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_applied`
[INFO] [stdout]   --> src/consensus/node_state.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn set_last_applied(&mut self, last_applied: LogIndex) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_read`
[INFO] [stdout]   --> src/server/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) on_read: R,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_write`
[INFO] [stdout]   --> src/server/server.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) on_write: W,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `service_type`
[INFO] [stdout]   --> src/server/server.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) service_type: ServiceType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "065cc3de5ec7ee7836b2f8b04d7559453d79844513fce097b015b6a820f852d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065cc3de5ec7ee7836b2f8b04d7559453d79844513fce097b015b6a820f852d4", kill_on_drop: false }`
[INFO] [stdout] 065cc3de5ec7ee7836b2f8b04d7559453d79844513fce097b015b6a820f852d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ba23a3f35e28026fa94ed8f7a8c01535f9aab06ab617537293413dc9a0119eb
[INFO] running `Command { std: "docker" "start" "-a" "5ba23a3f35e28026fa94ed8f7a8c01535f9aab06ab617537293413dc9a0119eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/consensus/node_state.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn add_logs(&mut self, index: LogIndex, mut logs: Vec<LogEntry>) -> Result<(), Error> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_indexes`
[INFO] [stdout]    --> src/consensus/state_machine.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |                 match_indexes,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `match_indexes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/executor/client_server_executor.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let handle = connection.handle();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:581:33
[INFO] [stdout]     |
[INFO] [stdout] 581 | ...                   let mut current_match_index =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:583:33
[INFO] [stdout]     |
[INFO] [stdout] 583 | ...                   let mut current_next_index =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:603:33
[INFO] [stdout]     |
[INFO] [stdout] 603 | ...                   let mut next_index = next_indexes.get_mut(&from_node_id).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_applied`
[INFO] [stdout]   --> src/consensus/node_state.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_last_applied(&self) -> LogIndex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_applied`
[INFO] [stdout]   --> src/consensus/node_state.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn set_last_applied(&mut self, last_applied: LogIndex) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_read`
[INFO] [stdout]   --> src/server/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) on_read: R,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_write`
[INFO] [stdout]   --> src/server/server.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) on_write: W,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `service_type`
[INFO] [stdout]   --> src/server/server.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) service_type: ServiceType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/consensus/node_state.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn add_logs(&mut self, index: LogIndex, mut logs: Vec<LogEntry>) -> Result<(), Error> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `match_indexes`
[INFO] [stdout]    --> src/consensus/state_machine.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |                 match_indexes,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: try ignoring the field: `match_indexes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]   --> src/executor/client_server_executor.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let handle = connection.handle();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:581:33
[INFO] [stdout]     |
[INFO] [stdout] 581 | ...                   let mut current_match_index =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:583:33
[INFO] [stdout]     |
[INFO] [stdout] 583 | ...                   let mut current_next_index =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/consensus/state_machine.rs:603:33
[INFO] [stdout]     |
[INFO] [stdout] 603 | ...                   let mut next_index = next_indexes.get_mut(&from_node_id).unwrap();
[INFO] [stdout]     |                           ----^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_applied`
[INFO] [stdout]   --> src/consensus/node_state.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_last_applied(&self) -> LogIndex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_applied`
[INFO] [stdout]   --> src/consensus/node_state.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn set_last_applied(&mut self, last_applied: LogIndex) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_read`
[INFO] [stdout]   --> src/server/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) on_read: R,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_write`
[INFO] [stdout]   --> src/server/server.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) on_write: W,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `service_type`
[INFO] [stdout]   --> src/server/server.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) service_type: ServiceType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "5ba23a3f35e28026fa94ed8f7a8c01535f9aab06ab617537293413dc9a0119eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba23a3f35e28026fa94ed8f7a8c01535f9aab06ab617537293413dc9a0119eb", kill_on_drop: false }`
[INFO] [stdout] 5ba23a3f35e28026fa94ed8f7a8c01535f9aab06ab617537293413dc9a0119eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc88cf57a40648d9676411a5ff38cd9bfd1ea0ff60d8634aa56ef8a951a09b67
[INFO] running `Command { std: "docker" "start" "-a" "dc88cf57a40648d9676411a5ff38cd9bfd1ea0ff60d8634aa56ef8a951a09b67", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: associated function is never used: `get_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:30:12
[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: associated function is never used: `set_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:75:12
[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 read: `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 read: `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 read: `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: 11 warnings emitted
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: associated function is never used: `get_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:30:12
[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: associated function is never used: `set_last_applied`
[INFO] [stderr]   --> src/consensus/node_state.rs:75:12
[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 read: `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 read: `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 read: `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: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect-79d8c73e37baa261
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connecting-a8f1d48ec619cbfb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests connect
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc88cf57a40648d9676411a5ff38cd9bfd1ea0ff60d8634aa56ef8a951a09b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc88cf57a40648d9676411a5ff38cd9bfd1ea0ff60d8634aa56ef8a951a09b67", kill_on_drop: false }`
[INFO] [stdout] dc88cf57a40648d9676411a5ff38cd9bfd1ea0ff60d8634aa56ef8a951a09b67
