[INFO] fetching crate async_serde 0.1.0...
[INFO] testing async_serde-0.1.0 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate async_serde 0.1.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async_serde 0.1.0 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8918c924ef280c2d2faf5c3da0b3004ccff5add2c4c06414b7be7c7a065c8fb7
[INFO] running `Command { std: "docker" "start" "-a" "8918c924ef280c2d2faf5c3da0b3004ccff5add2c4c06414b7be7c7a065c8fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8918c924ef280c2d2faf5c3da0b3004ccff5add2c4c06414b7be7c7a065c8fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8918c924ef280c2d2faf5c3da0b3004ccff5add2c4c06414b7be7c7a065c8fb7", kill_on_drop: false }`
[INFO] [stdout] 8918c924ef280c2d2faf5c3da0b3004ccff5add2c4c06414b7be7c7a065c8fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1369edb02b61fb6b0c7f09799e7146d6af35ffe0be8262e1ed85adfd438743df
[INFO] running `Command { std: "docker" "start" "-a" "1369edb02b61fb6b0c7f09799e7146d6af35ffe0be8262e1ed85adfd438743df", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[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)]` (part of `#[warn(unused)]`) 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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: 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] 
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "1369edb02b61fb6b0c7f09799e7146d6af35ffe0be8262e1ed85adfd438743df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1369edb02b61fb6b0c7f09799e7146d6af35ffe0be8262e1ed85adfd438743df", kill_on_drop: false }`
[INFO] [stdout] 1369edb02b61fb6b0c7f09799e7146d6af35ffe0be8262e1ed85adfd438743df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e134ebf391bed7bac6be5de15b3dc6ea33f89fb6156670fbf33b627095af9981
[INFO] running `Command { std: "docker" "start" "-a" "e134ebf391bed7bac6be5de15b3dc6ea33f89fb6156670fbf33b627095af9981", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[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)]` (part of `#[warn(unused)]`) 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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: 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] 
[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)]` (part of `#[warn(unused)]`) 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] [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)]` (part of `#[warn(unused)]`) 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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: 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] 
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "e134ebf391bed7bac6be5de15b3dc6ea33f89fb6156670fbf33b627095af9981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e134ebf391bed7bac6be5de15b3dc6ea33f89fb6156670fbf33b627095af9981", kill_on_drop: false }`
[INFO] [stdout] e134ebf391bed7bac6be5de15b3dc6ea33f89fb6156670fbf33b627095af9981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 832704406c5608b35eb109fa2bb8dc3941c24dc24c1f526262446e88d04fcdb5
[INFO] running `Command { std: "docker" "start" "-a" "832704406c5608b35eb109fa2bb8dc3941c24dc24c1f526262446e88d04fcdb5", 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)]` (part of `#[warn(unused)]`) 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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: 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] 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)]` (part of `#[warn(unused)]`) 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` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_serde-1fbf920f333acba3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests async_serde
[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] [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] 
[INFO] [stdout] thread 'main' (83) panicked at /opt/rustwide/workdir/src/lib.rs:425:17:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a6c3415e52 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64a6c3415e52 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64a6c3415e52 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64a6c3415e52 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64a6c3427cdf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64a6c3427cdf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x64a6c33f4db3 - std::io::default_write_fmt::hf7668c9f69c3a921
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64a6c33f4db3 - std::io::Write::write_fmt::ha6503cd07dd1d506
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64a6c33f9bf2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64a6c33fb41c - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64a6c33fb276 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x64a6c33fb9f5 - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x64a6c33fb856 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   13:     0x64a6c33f9d29 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x64a6c33e981d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x64a6c342f760 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x64a6c342f73c - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   17:     0x64a6c33b474c - async_serde::Step::inspect_seq::{{closure}}::hce74e1bcc8fb2267
[INFO] [stdout]   18:     0x64a6c33b2069 - <futures_util::future::maybe_done::MaybeDone<Fut> as core::future::future::Future>::poll::h2851e779d5125ca1
[INFO] [stdout]   19:     0x64a6c33b8aca - <rust_out::Foo as async_serde::Run<E>>::run::{{closure}}::{{closure}}::hfda7da2f9e714283
[INFO] [stdout]   20:     0x64a6c33bc4f4 - <futures_util::future::poll_fn::PollFn<F> as core::future::future::Future>::poll::h9ff420f2e5553830
[INFO] [stdout]   21:     0x64a6c33b867a - <rust_out::Foo as async_serde::Run<E>>::run::{{closure}}::hf3707bf4ac87e31c
[INFO] [stdout]   22:     0x64a6c33b45c2 - async_serde::de::quick_poll::hf2dea828a6389af6
[INFO] [stdout]   23:     0x64a6c33baae7 - <async_serde::de::Bridge<F> as serde_core::de::Visitor>::visit_seq::h554ac01ef55307b7
[INFO] [stdout]   24:     0x64a6c33be158 - <&mut serde_json::de::Deserializer<R> as serde_core::de::Deserializer>::deserialize_seq::h9c271bcfe1f42f6a
[INFO] [stdout]   25:     0x64a6c33bba0a - <async_serde::de::Bridge<F> as serde_core::de::DeserializeSeed>::deserialize::hd17740c5f6836dfe
[INFO] [stdout]   26:     0x64a6c33b4373 - async_serde::Executor<D>::run::h36d5fe853958d356
[INFO] [stdout]   27:     0x64a6c33bbfb6 - rust_out::main::hca4b1f7e004a5b5b
[INFO] [stdout]   28:     0x64a6c33b66b3 - core::ops::function::FnOnce::call_once::hd1d9844f43ba9ade
[INFO] [stdout]   29:     0x64a6c33b4cc6 - std::sys::backtrace::__rust_begin_short_backtrace::h1b07d04bd89bf1d2
[INFO] [stdout]   30:     0x64a6c33b4ca9 - std::rt::lang_start::{{closure}}::h195b227e6d961974
[INFO] [stdout]   31:     0x64a6c33f5c70 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfe01ef9c04091e5f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x64a6c33f5c70 - std::panicking::catch_unwind::do_call::h3720541c1dc2745c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33:     0x64a6c33f5c70 - std::panicking::catch_unwind::hf812e1c72a8544c2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34:     0x64a6c33f5c70 - std::panic::catch_unwind::h9e80dffea8831154
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x64a6c33f5c70 - std::rt::lang_start_internal::{{closure}}::h03410fa218b2c977
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x64a6c33f5c70 - std::panicking::catch_unwind::do_call::hcc46efa18e4a9c15
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x64a6c33f5c70 - std::panicking::catch_unwind::hc0afbf6668eb863a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x64a6c33f5c70 - std::panic::catch_unwind::h9640c0d1343096b8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x64a6c33f5c70 - std::rt::lang_start_internal::hea659f61d058debe
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x64a6c33b4c91 - std::rt::lang_start::h1eafb7a9125a057d
[INFO] [stdout]   41:     0x64a6c33c0b55 - main
[INFO] [stdout]   42:     0x7fa04baed1ca - <unknown>
[INFO] [stdout]   43:     0x7fa04baed28b - __libc_start_main
[INFO] [stdout]   44:     0x64a6c33b1e45 - _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" "832704406c5608b35eb109fa2bb8dc3941c24dc24c1f526262446e88d04fcdb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832704406c5608b35eb109fa2bb8dc3941c24dc24c1f526262446e88d04fcdb5", kill_on_drop: false }`
[INFO] [stdout] 832704406c5608b35eb109fa2bb8dc3941c24dc24c1f526262446e88d04fcdb5
