[INFO] fetching crate embedded_redis_client 0.1.0...
[INFO] checking embedded_redis_client-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate embedded_redis_client 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate embedded_redis_client 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded_redis_client 0.1.0
[INFO] finished tweaking crates.io crate embedded_redis_client 0.1.0
[INFO] tweaked toml for crates.io crate embedded_redis_client 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 30dee56a46f7f91ef85c244749f03e3689f71243b077a0f97bb5505f055b3a11
[INFO] running `Command { std: "docker" "start" "-a" "30dee56a46f7f91ef85c244749f03e3689f71243b077a0f97bb5505f055b3a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30dee56a46f7f91ef85c244749f03e3689f71243b077a0f97bb5505f055b3a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30dee56a46f7f91ef85c244749f03e3689f71243b077a0f97bb5505f055b3a11", kill_on_drop: false }`
[INFO] [stdout] 30dee56a46f7f91ef85c244749f03e3689f71243b077a0f97bb5505f055b3a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82873bb3bc8f06e6cab6b645a3129ccf897c5d9087fe60c549f0a02cbbb5a61e
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[INFO] [stderr]    Compiling syn v1.0.80
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[INFO] [stderr]     Checking embedded_redis_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `faulty_client`
[INFO] [stdout]   --> src/embedded_redis_client/embedded_redis_client.rs:59:41
[INFO] [stdout]    |
[INFO] [stdout] 59 |             EmbeddedRedisClient::Faulty(faulty_client) => Err(EmbeddedRedisClientError::new(
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_faulty_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `faulty_client`
[INFO] [stdout]    --> src/embedded_redis_client/embedded_redis_client.rs:101:49
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     EmbeddedRedisClient::Faulty(faulty_client) => Err(EmbeddedRedisClientError::new(
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_faulty_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis_server_ready_to_start`
[INFO] [stdout]   --> src/embedded_redis_server/states/started.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         redis_server_ready_to_start: ReadyToStart,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_redis_server_ready_to_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_multiplexed_redis_server_connection`
[INFO] [stdout]    --> src/embedded_redis_server/embedded_redis_server.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub async fn get_multiplexed_redis_server_connection(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server_process`
[INFO] [stdout]   --> src/embedded_redis_server/states/ready.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     server_process: StartedRedisServerProcess,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/embedded_redis_server/states/running_in_another_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     connection: redis::Connection,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `kill_process_occupying_target_tcp_port`
[INFO] [stdout]  --> src/embedded_redis_server/util.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn kill_process_occupying_target_tcp_port(port: u16) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim_newline`
[INFO] [stdout]   --> src/embedded_redis_server/util.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn trim_newline(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `faulty_client`
[INFO] [stdout]   --> src/embedded_redis_client/embedded_redis_client.rs:59:41
[INFO] [stdout]    |
[INFO] [stdout] 59 |             EmbeddedRedisClient::Faulty(faulty_client) => Err(EmbeddedRedisClientError::new(
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_faulty_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `faulty_client`
[INFO] [stdout]    --> src/embedded_redis_client/embedded_redis_client.rs:101:49
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     EmbeddedRedisClient::Faulty(faulty_client) => Err(EmbeddedRedisClientError::new(
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_faulty_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis_server_ready_to_start`
[INFO] [stdout]   --> src/embedded_redis_server/states/started.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         redis_server_ready_to_start: ReadyToStart,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_redis_server_ready_to_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_multiplexed_redis_server_connection`
[INFO] [stdout]    --> src/embedded_redis_server/embedded_redis_server.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub async fn get_multiplexed_redis_server_connection(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server_process`
[INFO] [stdout]   --> src/embedded_redis_server/states/ready.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     server_process: StartedRedisServerProcess,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/embedded_redis_server/states/running_in_another_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     connection: redis::Connection,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `kill_process_occupying_target_tcp_port`
[INFO] [stdout]  --> src/embedded_redis_server/util.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn kill_process_occupying_target_tcp_port(port: u16) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim_newline`
[INFO] [stdout]   --> src/embedded_redis_server/util.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn trim_newline(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.02s
[INFO] running `Command { std: "docker" "inspect" "82873bb3bc8f06e6cab6b645a3129ccf897c5d9087fe60c549f0a02cbbb5a61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82873bb3bc8f06e6cab6b645a3129ccf897c5d9087fe60c549f0a02cbbb5a61e", kill_on_drop: false }`
[INFO] [stdout] 82873bb3bc8f06e6cab6b645a3129ccf897c5d9087fe60c549f0a02cbbb5a61e
