[INFO] cloning repository https://github.com/vjekooo/redis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjekooo/redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjekooo%2Fredis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjekooo%2Fredis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5b7e1a2e1e44aa67833e7fbd49a86041c364e80
[INFO] checking vjekooo/redis-rust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjekooo%2Fredis-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vjekooo/redis-rust
[INFO] finished tweaking git repo https://github.com/vjekooo/redis-rust
[INFO] tweaked toml for git repo https://github.com/vjekooo/redis-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vjekooo/redis-rust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vjekooo/redis-rust 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.80
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded async-global-executor v2.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.30
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.80
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded async-task v4.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.80
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded js-sys v0.3.57
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.80
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded async-std v1.11.0
[INFO] [stderr]   Downloaded libc v0.2.123
[INFO] [stderr]   Downloaded web-sys v0.3.57
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43bb3327d1cf56b026fea0494e9e9cf0765acd6c4cfab2b6939173d72e4398e9
[INFO] running `Command { std: "docker" "start" "-a" "43bb3327d1cf56b026fea0494e9e9cf0765acd6c4cfab2b6939173d72e4398e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43bb3327d1cf56b026fea0494e9e9cf0765acd6c4cfab2b6939173d72e4398e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43bb3327d1cf56b026fea0494e9e9cf0765acd6c4cfab2b6939173d72e4398e9", kill_on_drop: false }`
[INFO] [stdout] 43bb3327d1cf56b026fea0494e9e9cf0765acd6c4cfab2b6939173d72e4398e9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddb231c93a40be2b122601259257a8be4a2b59a895ebab3441f5f9fbb2730169
[INFO] running `Command { std: "docker" "start" "-a" "ddb231c93a40be2b122601259257a8be4a2b59a895ebab3441f5f9fbb2730169", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.4
[INFO] [stderr]     Checking async-std v1.11.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `existing_value` is assigned to, but never used
[INFO] [stdout]   --> src/client.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let existing_value;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_existing_value` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `existing_value` is never read
[INFO] [stdout]   --> src/client.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |       existing_value = response;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]  --> src/error.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |   fn from(e: io::Error) -> Self {
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `existing_value` is assigned to, but never used
[INFO] [stdout]   --> src/client.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let existing_value;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_existing_value` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `existing_value` is never read
[INFO] [stdout]   --> src/client.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |       existing_value = response;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SimpleString`, `Error`, and `Integer` are never constructed
[INFO] [stdout]  --> src/resp.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum RespValues {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 2 |   SimpleString(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 3 |   Error(Vec<u8>),
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 4 |   Integer(i64),
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ex`, `Exat`, and `Pxat` are never constructed
[INFO] [stdout]  --> src/ttl.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum TimeToLive {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 5 |   Ex(String),
[INFO] [stdout]   |   ^^
[INFO] [stdout] 6 |   Px(String),
[INFO] [stdout] 7 |   Exat(String),
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 8 |   Pxat(String),
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `delete` and `rename` are never used
[INFO] [stdout]   --> src/client.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |   pub async fn delete(&mut self, key: String) -> Result<String, Error> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |   pub async fn rename(&mut self, key: String, new_key: String) -> Result<String, Error> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_string` is never used
[INFO] [stdout]    --> src/client.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn split_string(key: &String) -> Result<Vec<&str>, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]  --> src/error.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |   fn from(e: io::Error) -> Self {
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SimpleString`, `Error`, and `Integer` are never constructed
[INFO] [stdout]  --> src/resp.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum RespValues {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 2 |   SimpleString(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 3 |   Error(Vec<u8>),
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 4 |   Integer(i64),
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ex`, `Exat`, and `Pxat` are never constructed
[INFO] [stdout]  --> src/ttl.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum TimeToLive {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 5 |   Ex(String),
[INFO] [stdout]   |   ^^
[INFO] [stdout] 6 |   Px(String),
[INFO] [stdout] 7 |   Exat(String),
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 8 |   Pxat(String),
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `delete` and `rename` are never used
[INFO] [stdout]   --> src/client.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Client {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |   pub async fn delete(&mut self, key: String) -> Result<String, Error> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |   pub async fn rename(&mut self, key: String, new_key: String) -> Result<String, Error> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_string` is never used
[INFO] [stdout]    --> src/client.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn split_string(key: &String) -> Result<Vec<&str>, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "ddb231c93a40be2b122601259257a8be4a2b59a895ebab3441f5f9fbb2730169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb231c93a40be2b122601259257a8be4a2b59a895ebab3441f5f9fbb2730169", kill_on_drop: false }`
[INFO] [stdout] ddb231c93a40be2b122601259257a8be4a2b59a895ebab3441f5f9fbb2730169
