[INFO] fetching crate cql 0.0.3...
[INFO] checking cql-0.0.3 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate cql 0.0.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cql 0.0.3 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cql 0.0.3
[INFO] finished tweaking crates.io crate cql 0.0.3
[INFO] tweaked toml for crates.io crate cql 0.0.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b1c4f21833a960e23bc5aefd3027ef556f3741cedebc6ea313253c4f2612427
[INFO] running `Command { std: "docker" "start" "-a" "0b1c4f21833a960e23bc5aefd3027ef556f3741cedebc6ea313253c4f2612427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b1c4f21833a960e23bc5aefd3027ef556f3741cedebc6ea313253c4f2612427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1c4f21833a960e23bc5aefd3027ef556f3741cedebc6ea313253c4f2612427", kill_on_drop: false }`
[INFO] [stdout] 0b1c4f21833a960e23bc5aefd3027ef556f3741cedebc6ea313253c4f2612427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80b497ef1b5e0e9901adfe514fa24f396ff87cade67c3e57bd11e2d857ca8441
[INFO] running `Command { std: "docker" "start" "-a" "80b497ef1b5e0e9901adfe514fa24f396ff87cade67c3e57bd11e2d857ca8441", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking cql v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `keyspace` and `table` are never read
[INFO] [stdout]    --> src/lib.rs:663:5
[INFO] [stdout]     |
[INFO] [stdout] 662 | struct CqlColMetadata {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 663 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 664 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CqlColMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `column_count`, `keyspace`, and `table` are never read
[INFO] [stdout]    --> src/lib.rs:682:5
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub struct Metadata {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 682 |     flags: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 683 |     column_count: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 684 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 685 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `metadata` and `rows` are never read
[INFO] [stdout]    --> src/lib.rs:819:5
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub struct Rows {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 819 |     metadata: Rc<Metadata>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 820 |     rows: Vec<Row>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rows` 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 `header` is never read
[INFO] [stdout]    --> src/lib.rs:960:5
[INFO] [stdout]     |
[INFO] [stdout] 959 | pub struct Response {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 960 |     header: FrameHeader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keyspace` and `table` are never read
[INFO] [stdout]    --> src/lib.rs:663:5
[INFO] [stdout]     |
[INFO] [stdout] 662 | struct CqlColMetadata {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 663 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 664 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CqlColMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `column_count`, `keyspace`, and `table` are never read
[INFO] [stdout]    --> src/lib.rs:682:5
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub struct Metadata {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 682 |     flags: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 683 |     column_count: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 684 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 685 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `metadata` and `rows` are never read
[INFO] [stdout]    --> src/lib.rs:819:5
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub struct Rows {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 819 |     metadata: Rc<Metadata>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 820 |     rows: Vec<Row>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rows` 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 `header` is never read
[INFO] [stdout]    --> src/lib.rs:960:5
[INFO] [stdout]     |
[INFO] [stdout] 959 | pub struct Response {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 960 |     header: FrameHeader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "80b497ef1b5e0e9901adfe514fa24f396ff87cade67c3e57bd11e2d857ca8441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b497ef1b5e0e9901adfe514fa24f396ff87cade67c3e57bd11e2d857ca8441", kill_on_drop: false }`
[INFO] [stdout] 80b497ef1b5e0e9901adfe514fa24f396ff87cade67c3e57bd11e2d857ca8441
[INFO] checking cql-0.0.3 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate cql 0.0.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cql 0.0.3 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cql 0.0.3
[INFO] finished tweaking crates.io crate cql 0.0.3
[INFO] tweaked toml for crates.io crate cql 0.0.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af7f1db93bc39b7e6db169776222e37d215dd443a2757f62dcd2ab11867a073d
[INFO] running `Command { std: "docker" "start" "-a" "af7f1db93bc39b7e6db169776222e37d215dd443a2757f62dcd2ab11867a073d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af7f1db93bc39b7e6db169776222e37d215dd443a2757f62dcd2ab11867a073d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7f1db93bc39b7e6db169776222e37d215dd443a2757f62dcd2ab11867a073d", kill_on_drop: false }`
[INFO] [stdout] af7f1db93bc39b7e6db169776222e37d215dd443a2757f62dcd2ab11867a073d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4731ca89fd0544041578ff5892b47938c4505eeb5940d7df0ed6321b780b7883
[INFO] running `Command { std: "docker" "start" "-a" "4731ca89fd0544041578ff5892b47938c4505eeb5940d7df0ed6321b780b7883", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking cql v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `keyspace` and `table` are never read
[INFO] [stdout]    --> src/lib.rs:663:5
[INFO] [stdout]     |
[INFO] [stdout] 662 | struct CqlColMetadata {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 663 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 664 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CqlColMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `column_count`, `keyspace`, and `table` are never read
[INFO] [stdout]    --> src/lib.rs:682:5
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub struct Metadata {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 682 |     flags: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 683 |     column_count: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 684 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 685 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `metadata` and `rows` are never read
[INFO] [stdout]    --> src/lib.rs:819:5
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub struct Rows {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 819 |     metadata: Rc<Metadata>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 820 |     rows: Vec<Row>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rows` 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 `header` is never read
[INFO] [stdout]    --> src/lib.rs:960:5
[INFO] [stdout]     |
[INFO] [stdout] 959 | pub struct Response {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 960 |     header: FrameHeader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keyspace` and `table` are never read
[INFO] [stdout]    --> src/lib.rs:663:5
[INFO] [stdout]     |
[INFO] [stdout] 662 | struct CqlColMetadata {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 663 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 664 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CqlColMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flags`, `column_count`, `keyspace`, and `table` are never read
[INFO] [stdout]    --> src/lib.rs:682:5
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub struct Metadata {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 682 |     flags: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 683 |     column_count: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 684 |     keyspace: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 685 |     table: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `metadata` and `rows` are never read
[INFO] [stdout]    --> src/lib.rs:819:5
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub struct Rows {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 819 |     metadata: Rc<Metadata>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 820 |     rows: Vec<Row>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rows` 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 `header` is never read
[INFO] [stdout]    --> src/lib.rs:960:5
[INFO] [stdout]     |
[INFO] [stdout] 959 | pub struct Response {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 960 |     header: FrameHeader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4731ca89fd0544041578ff5892b47938c4505eeb5940d7df0ed6321b780b7883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4731ca89fd0544041578ff5892b47938c4505eeb5940d7df0ed6321b780b7883", kill_on_drop: false }`
[INFO] [stdout] 4731ca89fd0544041578ff5892b47938c4505eeb5940d7df0ed6321b780b7883