[INFO] fetching crate async_serde 0.1.0...
[INFO] testing async_serde-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate async_serde 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate async_serde 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_serde 0.1.0
[INFO] finished tweaking crates.io crate async_serde 0.1.0
[INFO] tweaked toml for crates.io crate async_serde 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f4de7bbf38c47a5f69516c3739a537e3260606ee7ffa515c9fe3ca6dab52836
[INFO] running `Command { std: "docker" "start" "-a" "4f4de7bbf38c47a5f69516c3739a537e3260606ee7ffa515c9fe3ca6dab52836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f4de7bbf38c47a5f69516c3739a537e3260606ee7ffa515c9fe3ca6dab52836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4de7bbf38c47a5f69516c3739a537e3260606ee7ffa515c9fe3ca6dab52836", kill_on_drop: false }`
[INFO] [stdout] 4f4de7bbf38c47a5f69516c3739a537e3260606ee7ffa515c9fe3ca6dab52836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab61f1803fa902eea45328ac0b0367122f999957a11c48a6648cd7b97e94c318
[INFO] running `Command { std: "docker" "start" "-a" "ab61f1803fa902eea45328ac0b0367122f999957a11c48a6648cd7b97e94c318", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling async_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::InternalOp`
[INFO] [stdout]   --> src/de.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use super::InternalOp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         f: Fun,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn visit_bool<E>(self, v: bool) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn visit_i8<E>(self, v: i8) -> Result<Self::Value, E>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:186:27
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn visit_i16<E>(self, v: i16) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn visit_i32<E>(self, v: i32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:198:27
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_i128<E>(self, v: i128) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:210:26
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn visit_u8<E>(self, v: u8) -> Result<Self::Value, E>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:216:27
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn visit_u16<E>(self, v: u16) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn visit_u32<E>(self, v: u32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:234:28
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn visit_u128<E>(self, v: u128) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:240:27
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn visit_f32<E>(self, v: f32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:252:28
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn visit_char<E>(self, v: char) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:327:29
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:333:38
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Self::Value, E>
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |     fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserializer`
[INFO] [stdout]    --> src/de.rs:351:28
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserializer`
[INFO] [stdout]    --> src/de.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         deserializer: D,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/de.rs:372:31
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn visit_seq<A>(mut self, seq: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> src/de.rs:386:27
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/de.rs:392:28
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn visit_enum<A>(self, data: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DeBytes`, `ByteBuf`, and `Bytes` are never constructed
[INFO] [stdout]    --> src/lib.rs:482:5
[INFO] [stdout]     |
[INFO] [stdout] 478 | enum Data<'de> {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 482 |     DeBytes(&'de [u8]),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 483 |     ByteBuf(Box<[u8]>),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 484 |     Bytes(NonNull<[u8]>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SizeHintReq` and `SizeHintRes` are never constructed
[INFO] [stdout]    --> src/lib.rs:570:5
[INFO] [stdout]     |
[INFO] [stdout] 568 | enum InternalOp {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 569 |     /// Ask for a size hint.
[INFO] [stdout] 570 |     SizeHintReq,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 571 |     /// Resulting size hint.
[INFO] [stdout] 572 |     SizeHintRes(Option<usize>)
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InternalOp` 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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "ab61f1803fa902eea45328ac0b0367122f999957a11c48a6648cd7b97e94c318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab61f1803fa902eea45328ac0b0367122f999957a11c48a6648cd7b97e94c318", kill_on_drop: false }`
[INFO] [stdout] ab61f1803fa902eea45328ac0b0367122f999957a11c48a6648cd7b97e94c318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a6a54b47c85cfd76c2527902a09a54d36acec2bea29bc4bcf2419054e3e52e
[INFO] running `Command { std: "docker" "start" "-a" "95a6a54b47c85cfd76c2527902a09a54d36acec2bea29bc4bcf2419054e3e52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stdout] warning: unused import: `super::InternalOp`
[INFO] [stdout]   --> src/de.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use super::InternalOp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         f: Fun,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn visit_bool<E>(self, v: bool) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn visit_i8<E>(self, v: i8) -> Result<Self::Value, E>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:186:27
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn visit_i16<E>(self, v: i16) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn visit_i32<E>(self, v: i32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:198:27
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_i128<E>(self, v: i128) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:210:26
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn visit_u8<E>(self, v: u8) -> Result<Self::Value, E>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:216:27
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn visit_u16<E>(self, v: u16) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn visit_u32<E>(self, v: u32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:234:28
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn visit_u128<E>(self, v: u128) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:240:27
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn visit_f32<E>(self, v: f32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:252:28
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn visit_char<E>(self, v: char) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:327:29
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:333:38
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Self::Value, E>
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |     fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserializer`
[INFO] [stdout]    --> src/de.rs:351:28
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserializer`
[INFO] [stdout]    --> src/de.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         deserializer: D,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/de.rs:372:31
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn visit_seq<A>(mut self, seq: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> src/de.rs:386:27
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/de.rs:392:28
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn visit_enum<A>(self, data: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DeBytes`, `ByteBuf`, and `Bytes` are never constructed
[INFO] [stdout]    --> src/lib.rs:482:5
[INFO] [stdout]     |
[INFO] [stdout] 478 | enum Data<'de> {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 482 |     DeBytes(&'de [u8]),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 483 |     ByteBuf(Box<[u8]>),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 484 |     Bytes(NonNull<[u8]>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SizeHintReq` and `SizeHintRes` are never constructed
[INFO] [stdout]    --> src/lib.rs:570:5
[INFO] [stdout]     |
[INFO] [stdout] 568 | enum InternalOp {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 569 |     /// Ask for a size hint.
[INFO] [stdout] 570 |     SizeHintReq,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 571 |     /// Resulting size hint.
[INFO] [stdout] 572 |     SizeHintRes(Option<usize>)
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InternalOp` 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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::InternalOp`
[INFO] [stdout]   --> src/de.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use super::InternalOp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         f: Fun,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn visit_bool<E>(self, v: bool) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn visit_i8<E>(self, v: i8) -> Result<Self::Value, E>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:186:27
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn visit_i16<E>(self, v: i16) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn visit_i32<E>(self, v: i32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:198:27
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn visit_i128<E>(self, v: i128) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:210:26
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn visit_u8<E>(self, v: u8) -> Result<Self::Value, E>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:216:27
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn visit_u16<E>(self, v: u16) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn visit_u32<E>(self, v: u32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:234:28
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn visit_u128<E>(self, v: u128) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:240:27
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn visit_f32<E>(self, v: f32) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:246:27
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:252:28
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn visit_char<E>(self, v: char) -> Result<Self::Value, E>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:327:29
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:333:38
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Self::Value, E>
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/de.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |     fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserializer`
[INFO] [stdout]    --> src/de.rs:351:28
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserializer`
[INFO] [stdout]    --> src/de.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         deserializer: D,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/de.rs:372:31
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn visit_seq<A>(mut self, seq: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> src/de.rs:386:27
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/de.rs:392:28
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn visit_enum<A>(self, data: A) -> Result<Self::Value, A::Error>
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DeBytes`, `ByteBuf`, and `Bytes` are never constructed
[INFO] [stdout]    --> src/lib.rs:482:5
[INFO] [stdout]     |
[INFO] [stdout] 478 | enum Data<'de> {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 482 |     DeBytes(&'de [u8]),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 483 |     ByteBuf(Box<[u8]>),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 484 |     Bytes(NonNull<[u8]>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SizeHintReq` and `SizeHintRes` are never constructed
[INFO] [stdout]    --> src/lib.rs:570:5
[INFO] [stdout]     |
[INFO] [stdout] 568 | enum InternalOp {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 569 |     /// Ask for a size hint.
[INFO] [stdout] 570 |     SizeHintReq,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 571 |     /// Resulting size hint.
[INFO] [stdout] 572 |     SizeHintRes(Option<usize>)
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InternalOp` 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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "95a6a54b47c85cfd76c2527902a09a54d36acec2bea29bc4bcf2419054e3e52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a6a54b47c85cfd76c2527902a09a54d36acec2bea29bc4bcf2419054e3e52e", kill_on_drop: false }`
[INFO] [stdout] 95a6a54b47c85cfd76c2527902a09a54d36acec2bea29bc4bcf2419054e3e52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b069d187594e8cbee219f3522e113c1dce24634dcb8ecee6dcfa7e4ca30f4f3
[INFO] running `Command { std: "docker" "start" "-a" "0b069d187594e8cbee219f3522e113c1dce24634dcb8ecee6dcfa7e4ca30f4f3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::InternalOp`
[INFO] [stderr]   --> src/de.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use super::InternalOp;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         f: Fun,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:174:28
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn visit_bool<E>(self, v: bool) -> Result<Self::Value, E>
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn visit_i8<E>(self, v: i8) -> Result<Self::Value, E>
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:186:27
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn visit_i16<E>(self, v: i16) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:192:27
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn visit_i32<E>(self, v: i32) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:198:27
[INFO] [stderr]     |
[INFO] [stderr] 198 |     fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:204:28
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn visit_i128<E>(self, v: i128) -> Result<Self::Value, E>
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:210:26
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn visit_u8<E>(self, v: u8) -> Result<Self::Value, E>
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:216:27
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn visit_u16<E>(self, v: u16) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:222:27
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn visit_u32<E>(self, v: u32) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:228:27
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:234:28
[INFO] [stderr]     |
[INFO] [stderr] 234 |     fn visit_u128<E>(self, v: u128) -> Result<Self::Value, E>
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:240:27
[INFO] [stderr]     |
[INFO] [stderr] 240 |     fn visit_f32<E>(self, v: f32) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:246:27
[INFO] [stderr]     |
[INFO] [stderr] 246 |     fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:252:28
[INFO] [stderr]     |
[INFO] [stderr] 252 |     fn visit_char<E>(self, v: char) -> Result<Self::Value, E>
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:327:29
[INFO] [stderr]     |
[INFO] [stderr] 327 |     fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:333:38
[INFO] [stderr]     |
[INFO] [stderr] 333 |     fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Self::Value, E>
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/de.rs:339:32
[INFO] [stderr]     |
[INFO] [stderr] 339 |     fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
[INFO] [stderr]     |                                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deserializer`
[INFO] [stderr]    --> src/de.rs:351:28
[INFO] [stderr]     |
[INFO] [stderr] 351 |     fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deserializer`
[INFO] [stderr]    --> src/de.rs:365:9
[INFO] [stderr]     |
[INFO] [stderr] 365 |         deserializer: D,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserializer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `seq`
[INFO] [stderr]    --> src/de.rs:372:31
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn visit_seq<A>(mut self, seq: A) -> Result<Self::Value, A::Error>
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]    --> src/de.rs:386:27
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/de.rs:392:28
[INFO] [stderr]     |
[INFO] [stderr] 392 |     fn visit_enum<A>(self, data: A) -> Result<Self::Value, A::Error>
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `DeBytes`, `ByteBuf`, and `Bytes` are never constructed
[INFO] [stderr]    --> src/lib.rs:482:5
[INFO] [stderr]     |
[INFO] [stderr] 478 | enum Data<'de> {
[INFO] [stderr]     |      ---- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 482 |     DeBytes(&'de [u8]),
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 483 |     ByteBuf(Box<[u8]>),
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 484 |     Bytes(NonNull<[u8]>),
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `SizeHintReq` and `SizeHintRes` are never constructed
[INFO] [stderr]    --> src/lib.rs:570:5
[INFO] [stderr]     |
[INFO] [stderr] 568 | enum InternalOp {
[INFO] [stderr]     |      ---------- variants in this enum
[INFO] [stderr] 569 |     /// Ask for a size hint.
[INFO] [stderr] 570 |     SizeHintReq,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 571 |     /// Resulting size hint.
[INFO] [stderr] 572 |     SizeHintRes(Option<usize>)
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `InternalOp` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `async_serde` (lib) generated 26 warnings (run `cargo fix --lib -p async_serde` to apply 24 suggestions)
[INFO] [stderr] warning: `async_serde` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_serde-63c88bbf6e363704)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_serde
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 65) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at /opt/rustwide/workdir/src/lib.rs:425:17:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815b9e162c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55815b9e162c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815b9e162c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55815b9e162c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815ba06300 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55815ba06300 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55815b9dfadf - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55815b9e1414 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815b9e1414 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815b9e2927 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55815b9e268f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55815b9e2da8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55815b9e2c59 - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:649:13
[INFO] [stdout]   13:     0x55815b9e1af6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   14:     0x55815b9e29f2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55815b9a6e05 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55815b9a6ea3 - core::panicking::panic::h195fc2a96298d4c3
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:127:5
[INFO] [stdout]   17:     0x55815b9aa610 - async_serde::Step::inspect_seq::{{closure}}::hc2fc52d14875a45d
[INFO] [stdout]   18:     0x55815b9a7b40 - <futures_util::future::maybe_done::MaybeDone<Fut> as core::future::future::Future>::poll::ha91984f6a0bdc61c
[INFO] [stdout]   19:     0x55815b9b64df - <rust_out::Foo as async_serde::Run<E>>::run::{{closure}}::{{closure}}::h62040bb4e339abd1
[INFO] [stdout]   20:     0x55815b9b544c - <futures_util::future::poll_fn::PollFn<F> as core::future::future::Future>::poll::hca327e119044c11c
[INFO] [stdout]   21:     0x55815b9b60a0 - <rust_out::Foo as async_serde::Run<E>>::run::{{closure}}::h21544a5ea5e83449
[INFO] [stdout]   22:     0x55815b9aa46c - async_serde::de::quick_poll::h6cfaf5aa9766c851
[INFO] [stdout]   23:     0x55815b9af39f - <async_serde::de::Bridge<F> as serde::de::Visitor>::visit_seq::h0370052089b6a9ff
[INFO] [stdout]   24:     0x55815b9b2aa9 - <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deserialize_seq::hbf85b16d99728439
[INFO] [stdout]   25:     0x55815b9b0369 - <async_serde::de::Bridge<F> as serde::de::DeserializeSeed>::deserialize::h73be14d7455c0930
[INFO] [stdout]   26:     0x55815b9aa237 - async_serde::Executor<D>::run::h807e726053d71864
[INFO] [stdout]   27:     0x55815b9b5552 - rust_out::main::hc20c0d07e2402830
[INFO] [stdout]   28:     0x55815b9ab813 - core::ops::function::FnOnce::call_once::hbc459743598298c4
[INFO] [stdout]   29:     0x55815b9aaa66 - std::sys_common::backtrace::__rust_begin_short_backtrace::h62debe7d3058b76a
[INFO] [stdout]   30:     0x55815b9aaab9 - std::rt::lang_start::{{closure}}::h8f486f3e1e6418b2
[INFO] [stdout]   31:     0x55815b9ddb27 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   32:     0x55815b9ddb27 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   33:     0x55815b9ddb27 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   34:     0x55815b9ddb27 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   35:     0x55815b9ddb27 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stdout]   36:     0x55815b9ddb27 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x55815b9ddb27 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x55815b9ddb27 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55815b9ddb27 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stdout]   40:     0x55815b9aaa97 - std::rt::lang_start::h2c48f91a7bf85629
[INFO] [stdout]   41:     0x55815b9b6705 - main
[INFO] [stdout]   42:     0x7fb3a1c43d90 - <unknown>
[INFO] [stdout]   43:     0x7fb3a1c43e40 - __libc_start_main
[INFO] [stdout]   44:     0x55815b9a7695 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 65)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0b069d187594e8cbee219f3522e113c1dce24634dcb8ecee6dcfa7e4ca30f4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b069d187594e8cbee219f3522e113c1dce24634dcb8ecee6dcfa7e4ca30f4f3", kill_on_drop: false }`
[INFO] [stdout] 0b069d187594e8cbee219f3522e113c1dce24634dcb8ecee6dcfa7e4ca30f4f3
