[INFO] cloning repository https://github.com/richwandell/rust-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richwandell/rust-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8e2ef4ff3eb8096c479ef21679a2b457c108fc0
[INFO] checking richwandell/rust-redis against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richwandell/rust-redis on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richwandell/rust-redis
[INFO] finished tweaking git repo https://github.com/richwandell/rust-redis
[INFO] tweaked toml for git repo https://github.com/richwandell/rust-redis written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/richwandell/rust-redis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded redis-protocol-parser v0.1.2
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[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf95f690d828b5ab1e1c979e76ad07e1a11f6dbb5ad93c0dbef0355e41eb7cac
[INFO] running `Command { std: "docker" "start" "-a" "bf95f690d828b5ab1e1c979e76ad07e1a11f6dbb5ad93c0dbef0355e41eb7cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf95f690d828b5ab1e1c979e76ad07e1a11f6dbb5ad93c0dbef0355e41eb7cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf95f690d828b5ab1e1c979e76ad07e1a11f6dbb5ad93c0dbef0355e41eb7cac", kill_on_drop: false }`
[INFO] [stdout] bf95f690d828b5ab1e1c979e76ad07e1a11f6dbb5ad93c0dbef0355e41eb7cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee457d71edf85234a78ad4998eeac83336f11c16a207e2e3faa3e228604d5ab
[INFO] running `Command { std: "docker" "start" "-a" "2ee457d71edf85234a78ad4998eeac83336f11c16a207e2e3faa3e228604d5ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures v0.1.31
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[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking cookie-factory v0.2.4
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking redis-protocol-parser v0.1.2
[INFO] [stderr]     Checking spmc v0.3.0
[INFO] [stderr]     Checking resp v1.0.2
[INFO] [stderr]     Checking shell-words v1.0.0
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[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking multiqueue v0.3.2
[INFO] [stderr]     Checking env_logger v0.5.13
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[INFO] [stderr]     Checking redis-protocol v2.0.0
[INFO] [stderr]     Checking redis-clone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RError`
[INFO] [stdout]  --> src/create_commands.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use redis_protocol_parser::{RedisProtocolParser, RESP, RError};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/command/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RError`
[INFO] [stdout]  --> src/create_commands.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use redis_protocol_parser::{RedisProtocolParser, RESP, RError};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/command/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/create_commands.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let string = str.to_string();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/thread_loop.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tx: Sender<String>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/create_commands.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let string = str.to_string();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/thread_loop.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tx: Sender<String>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Command` is never constructed
[INFO] [stdout]   --> src/server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) enum Storage {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] 13 |     Command {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Storage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_commands_new` is never used
[INFO] [stdout]  --> src/create_commands.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn create_commands_new(stream: &TcpStream) -> Vec<Storage> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_msg` is never used
[INFO] [stdout]   --> src/thread_loop.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn create_log_msg(addr: SocketAddr, commands: Vec<Storage>) -> (String, Vec<Storage>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PX` is never used
[INFO] [stdout]  --> src/command/command_set.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PX: &str = "PX";
[INFO] [stdout]   |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXAT` is never used
[INFO] [stdout]  --> src/command/command_set.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const EXAT: &str = "EXAT";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PXAT` is never used
[INFO] [stdout]   --> src/command/command_set.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PXAT: &str = "PXAT";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const NX: &str = "NX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const XX: &str = "XX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEEPTTL` is never used
[INFO] [stdout]   --> src/command/command_set.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const KEEPTTL: &str = "KEEPTTL";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GET` is never used
[INFO] [stdout]   --> src/command/command_set.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const GET: &str = "GET";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/command/commands.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) enum RedisCommand {
[INFO] [stdout]    |                 ------------ variants in this enum
[INFO] [stdout] 17 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Set,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Get,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Ping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Command,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     Del,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Keys,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Mset,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     Mget,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     GetDel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     GetSet,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     Monitor,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     SetEx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/thread_loop.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             &stream.write(message.as_ref());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = &stream.write(message.as_ref());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Command` is never constructed
[INFO] [stdout]   --> src/server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) enum Storage {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] 13 |     Command {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Storage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_commands_new` is never used
[INFO] [stdout]  --> src/create_commands.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn create_commands_new(stream: &TcpStream) -> Vec<Storage> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_msg` is never used
[INFO] [stdout]   --> src/thread_loop.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn create_log_msg(addr: SocketAddr, commands: Vec<Storage>) -> (String, Vec<Storage>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PX` is never used
[INFO] [stdout]  --> src/command/command_set.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PX: &str = "PX";
[INFO] [stdout]   |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXAT` is never used
[INFO] [stdout]  --> src/command/command_set.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const EXAT: &str = "EXAT";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PXAT` is never used
[INFO] [stdout]   --> src/command/command_set.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PXAT: &str = "PXAT";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const NX: &str = "NX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const XX: &str = "XX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEEPTTL` is never used
[INFO] [stdout]   --> src/command/command_set.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const KEEPTTL: &str = "KEEPTTL";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GET` is never used
[INFO] [stdout]   --> src/command/command_set.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const GET: &str = "GET";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/command/commands.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) enum RedisCommand {
[INFO] [stdout]    |                 ------------ variants in this enum
[INFO] [stdout] 17 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Set,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Get,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Ping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Command,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     Del,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Keys,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Mset,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     Mget,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     GetDel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     GetSet,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     Monitor,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     SetEx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/thread_loop.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             &stream.write(message.as_ref());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = &stream.write(message.as_ref());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "2ee457d71edf85234a78ad4998eeac83336f11c16a207e2e3faa3e228604d5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee457d71edf85234a78ad4998eeac83336f11c16a207e2e3faa3e228604d5ab", kill_on_drop: false }`
[INFO] [stdout] 2ee457d71edf85234a78ad4998eeac83336f11c16a207e2e3faa3e228604d5ab
[INFO] checking richwandell/rust-redis against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richwandell/rust-redis on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richwandell/rust-redis
[INFO] finished tweaking git repo https://github.com/richwandell/rust-redis
[INFO] tweaked toml for git repo https://github.com/richwandell/rust-redis written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/richwandell/rust-redis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b5bfd78dc80bf6b3ec5e45c6b9da6f46691cf41ca0e73bcc0bbd6294b63e11c
[INFO] running `Command { std: "docker" "start" "-a" "4b5bfd78dc80bf6b3ec5e45c6b9da6f46691cf41ca0e73bcc0bbd6294b63e11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5bfd78dc80bf6b3ec5e45c6b9da6f46691cf41ca0e73bcc0bbd6294b63e11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5bfd78dc80bf6b3ec5e45c6b9da6f46691cf41ca0e73bcc0bbd6294b63e11c", kill_on_drop: false }`
[INFO] [stdout] 4b5bfd78dc80bf6b3ec5e45c6b9da6f46691cf41ca0e73bcc0bbd6294b63e11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbfb4ae8515db4eae912ed55d69eaeaaa3d28b75976863b642872400e979d6f2
[INFO] running `Command { std: "docker" "start" "-a" "cbfb4ae8515db4eae912ed55d69eaeaaa3d28b75976863b642872400e979d6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking cookie-factory v0.2.4
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking resp v1.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking redis-protocol-parser v0.1.2
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking spmc v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking multiqueue v0.3.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking redis-protocol v2.0.0
[INFO] [stderr]     Checking redis-clone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RError`
[INFO] [stdout]  --> src/create_commands.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use redis_protocol_parser::{RedisProtocolParser, RESP, RError};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/command/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RError`
[INFO] [stdout]  --> src/create_commands.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use redis_protocol_parser::{RedisProtocolParser, RESP, RError};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/command/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/command/mod.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/create_commands.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let string = str.to_string();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/thread_loop.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tx: Sender<String>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Command` is never constructed
[INFO] [stdout]   --> src/server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) enum Storage {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] 13 |     Command {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Storage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_commands_new` is never used
[INFO] [stdout]  --> src/create_commands.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn create_commands_new(stream: &TcpStream) -> Vec<Storage> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_msg` is never used
[INFO] [stdout]   --> src/thread_loop.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn create_log_msg(addr: SocketAddr, commands: Vec<Storage>) -> (String, Vec<Storage>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PX` is never used
[INFO] [stdout]  --> src/command/command_set.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PX: &str = "PX";
[INFO] [stdout]   |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXAT` is never used
[INFO] [stdout]  --> src/command/command_set.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const EXAT: &str = "EXAT";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PXAT` is never used
[INFO] [stdout]   --> src/command/command_set.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PXAT: &str = "PXAT";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const NX: &str = "NX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const XX: &str = "XX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEEPTTL` is never used
[INFO] [stdout]   --> src/command/command_set.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const KEEPTTL: &str = "KEEPTTL";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GET` is never used
[INFO] [stdout]   --> src/command/command_set.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const GET: &str = "GET";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/command/commands.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) enum RedisCommand {
[INFO] [stdout]    |                 ------------ variants in this enum
[INFO] [stdout] 17 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Set,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Get,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Ping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Command,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     Del,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Keys,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Mset,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     Mget,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     GetDel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     GetSet,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     Monitor,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     SetEx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/thread_loop.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             &stream.write(message.as_ref());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = &stream.write(message.as_ref());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/create_commands.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let string = str.to_string();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/thread_loop.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tx: Sender<String>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Command` is never constructed
[INFO] [stdout]   --> src/server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) enum Storage {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] 13 |     Command {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Storage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_commands_new` is never used
[INFO] [stdout]  --> src/create_commands.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn create_commands_new(stream: &TcpStream) -> Vec<Storage> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_log_msg` is never used
[INFO] [stdout]   --> src/thread_loop.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn create_log_msg(addr: SocketAddr, commands: Vec<Storage>) -> (String, Vec<Storage>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PX` is never used
[INFO] [stdout]  --> src/command/command_set.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PX: &str = "PX";
[INFO] [stdout]   |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXAT` is never used
[INFO] [stdout]  --> src/command/command_set.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const EXAT: &str = "EXAT";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PXAT` is never used
[INFO] [stdout]   --> src/command/command_set.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PXAT: &str = "PXAT";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const NX: &str = "NX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XX` is never used
[INFO] [stdout]   --> src/command/command_set.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const XX: &str = "XX";
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEEPTTL` is never used
[INFO] [stdout]   --> src/command/command_set.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const KEEPTTL: &str = "KEEPTTL";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GET` is never used
[INFO] [stdout]   --> src/command/command_set.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const GET: &str = "GET";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/command/commands.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) enum RedisCommand {
[INFO] [stdout]    |                 ------------ variants in this enum
[INFO] [stdout] 17 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Set,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Get,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     Ping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Command,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 22 |     Del,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Keys,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     Mset,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     Mget,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     GetDel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     GetSet,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     Monitor,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     SetEx
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisCommand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/thread_loop.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             &stream.write(message.as_ref());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = &stream.write(message.as_ref());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "cbfb4ae8515db4eae912ed55d69eaeaaa3d28b75976863b642872400e979d6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfb4ae8515db4eae912ed55d69eaeaaa3d28b75976863b642872400e979d6f2", kill_on_drop: false }`
[INFO] [stdout] cbfb4ae8515db4eae912ed55d69eaeaaa3d28b75976863b642872400e979d6f2