[INFO] cloning repository https://github.com/3andero/async-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3andero/async-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3andero%2Fasync-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3andero%2Fasync-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5149ae5e885c89e425bbb03b0a5407db15983bfc
[INFO] checking 3andero/async-redis against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3andero%2Fasync-redis" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/3andero/async-redis
[INFO] finished tweaking git repo https://github.com/3andero/async-redis
[INFO] tweaked toml for git repo https://github.com/3andero/async-redis written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/3andero/async-redis on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/3andero/async-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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c05affa66d2b313472b00e2fd578247b935020b9d1481fa882addb4b02cf141
[INFO] running `Command { std: "docker" "start" "-a" "1c05affa66d2b313472b00e2fd578247b935020b9d1481fa882addb4b02cf141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c05affa66d2b313472b00e2fd578247b935020b9d1481fa882addb4b02cf141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c05affa66d2b313472b00e2fd578247b935020b9d1481fa882addb4b02cf141", kill_on_drop: false }`
[INFO] [stdout] 1c05affa66d2b313472b00e2fd578247b935020b9d1481fa882addb4b02cf141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d11594acd82c3554dc46cd9b0658329b6c7a7c0968019483ae62d18ea91c605
[INFO] running `Command { std: "docker" "start" "-a" "4d11594acd82c3554dc46cd9b0658329b6c7a7c0968019483ae62d18ea91c605", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling once_cell v1.5.2
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[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
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[INFO] [stderr]    Compiling cmake v0.1.45
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[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
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[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bytes v1.0.1
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling snmalloc-sys v0.2.26
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[INFO] [stderr]    Compiling ansi_term v0.12.1
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[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling enum_dispatch v0.3.5
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[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling snmalloc-rs v0.2.26
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-stream v0.1.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking mini-redis v0.4.0
[INFO] [stderr]     Checking async-redis v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this operation will panic at runtime
[INFO] [stdout]   --> src/utils.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     ASSERT[1];
[INFO] [stdout]    |     ^^^^^^^^^ index out of bounds: the length is 1 but the index is 1
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unconditional_panic)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AtomicCMDMarker` is never used
[INFO] [stdout]   --> src/cmd/mod.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub trait AtomicCMDMarker {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FrameArrays` is never constructed
[INFO] [stdout]   --> src/protocol/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FrameArrays {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `counter` is never read
[INFO] [stdout]   --> src/server.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Dispatcher {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     num_threads: usize,
[INFO] [stdout] 32 |     counter: AtomicU64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shutdown_complete_tx` is never read
[INFO] [stdout]    --> src/server.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct Handler {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 182 |     shutdown_complete_tx: mpsc::Sender<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Error` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_ParseError`
[INFO] [stdout] 224 | #[allow(dead_code)]
[INFO] [stdout] 225 | pub enum ParseError {
[INFO] [stdout]     |          ---------- `ParseError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Display` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_ParseError`
[INFO] [stdout] 224 | #[allow(dead_code)]
[INFO] [stdout] 225 | pub enum ParseError {
[INFO] [stdout]     |          ---------- `ParseError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Error` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_CommandError`
[INFO] [stdout] 235 | pub enum CommandError {
[INFO] [stdout]     |          ------------ `CommandError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Display` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_CommandError`
[INFO] [stdout] 235 | pub enum CommandError {
[INFO] [stdout]     |          ------------ `CommandError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/protocol/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Error` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_FrameError`
[INFO] [stdout] 129 | pub enum FrameError {
[INFO] [stdout]     |          ---------- `FrameError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/protocol/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Display` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_FrameError`
[INFO] [stdout] 129 | pub enum FrameError {
[INFO] [stdout]     |          ---------- `FrameError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/utils.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-redis` (bin "async-redis") due to 1 previous error; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this operation will panic at runtime
[INFO] [stdout]   --> src/utils.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     ASSERT[1];
[INFO] [stdout]    |     ^^^^^^^^^ index out of bounds: the length is 1 but the index is 1
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unconditional_panic)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AtomicCMDMarker` is never used
[INFO] [stdout]   --> src/cmd/mod.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub trait AtomicCMDMarker {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FrameArrays` is never constructed
[INFO] [stdout]   --> src/protocol/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FrameArrays {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `counter` is never read
[INFO] [stdout]   --> src/server.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Dispatcher {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     num_threads: usize,
[INFO] [stdout] 32 |     counter: AtomicU64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shutdown_complete_tx` is never read
[INFO] [stdout]    --> src/server.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct Handler {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 182 |     shutdown_complete_tx: mpsc::Sender<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Error` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_ParseError`
[INFO] [stdout] 224 | #[allow(dead_code)]
[INFO] [stdout] 225 | pub enum ParseError {
[INFO] [stdout]     |          ---------- `ParseError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Display` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_ParseError`
[INFO] [stdout] 224 | #[allow(dead_code)]
[INFO] [stdout] 225 | pub enum ParseError {
[INFO] [stdout]     |          ---------- `ParseError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Error` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_CommandError`
[INFO] [stdout] 235 | pub enum CommandError {
[INFO] [stdout]     |          ------------ `CommandError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/cmd/mod.rs:234:17
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Display` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_CommandError`
[INFO] [stdout] 235 | pub enum CommandError {
[INFO] [stdout]     |          ------------ `CommandError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/protocol/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Error` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_FrameError`
[INFO] [stdout] 129 | pub enum FrameError {
[INFO] [stdout]     |          ---------- `FrameError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/protocol/mod.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]     |                 ^----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `Display` is not local
[INFO] [stdout]     |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_FrameError`
[INFO] [stdout] 129 | pub enum FrameError {
[INFO] [stdout]     |          ---------- `FrameError` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/utils.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-redis` (bin "async-redis" test) due to 1 previous error; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4d11594acd82c3554dc46cd9b0658329b6c7a7c0968019483ae62d18ea91c605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d11594acd82c3554dc46cd9b0658329b6c7a7c0968019483ae62d18ea91c605", kill_on_drop: false }`
[INFO] [stdout] 4d11594acd82c3554dc46cd9b0658329b6c7a7c0968019483ae62d18ea91c605
