[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] testing 3andero/async-redis against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3andero%2Fasync-redis" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/3andero/async-redis on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa9a0a21c6f9caeda0644230346ba276784831fa3b25f2da0ea40f2b2993b4de
[INFO] running `Command { std: "docker" "start" "-a" "aa9a0a21c6f9caeda0644230346ba276784831fa3b25f2da0ea40f2b2993b4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa9a0a21c6f9caeda0644230346ba276784831fa3b25f2da0ea40f2b2993b4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9a0a21c6f9caeda0644230346ba276784831fa3b25f2da0ea40f2b2993b4de", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9c220c8a27a05c030de8ac2621d423481ee8b4c3313b5dc9752174ace9561c
[INFO] running `Command { std: "docker" "start" "-a" "8b9c220c8a27a05c030de8ac2621d423481ee8b4c3313b5dc9752174ace9561c", kill_on_drop: false }`
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[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] running `Command { std: "docker" "inspect" "8b9c220c8a27a05c030de8ac2621d423481ee8b4c3313b5dc9752174ace9561c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9c220c8a27a05c030de8ac2621d423481ee8b4c3313b5dc9752174ace9561c", kill_on_drop: false }`
[INFO] [stdout] 8b9c220c8a27a05c030de8ac2621d423481ee8b4c3313b5dc9752174ace9561c
