[INFO] fetching crate serde-object 0.0.0-alpha.0...
[INFO] building serde-object-0.0.0-alpha.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate serde-object 0.0.0-alpha.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate serde-object 0.0.0-alpha.0
[INFO] finished tweaking crates.io crate serde-object 0.0.0-alpha.0
[INFO] tweaked toml for crates.io crate serde-object 0.0.0-alpha.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-object 0.0.0-alpha.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding linkme v0.2.10 (available: v0.3.33)
[INFO] [stderr]       Adding try_match v0.2.3 (available: v0.4.2)
[INFO] [stderr]       Adding wyz v0.2.0 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linkme v0.2.10
[INFO] [stderr]   Downloaded linkme-impl v0.2.10
[INFO] [stderr]   Downloaded try_match_inner v0.3.0
[INFO] [stderr]   Downloaded try_match v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa147ef7b69bd95e44b24e33cfc665620bec9da56c6627057b4764903de0680b
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[INFO] running `Command { std: "docker" "inspect" "fa147ef7b69bd95e44b24e33cfc665620bec9da56c6627057b4764903de0680b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa147ef7b69bd95e44b24e33cfc665620bec9da56c6627057b4764903de0680b", kill_on_drop: false }`
[INFO] [stdout] fa147ef7b69bd95e44b24e33cfc665620bec9da56c6627057b4764903de0680b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4475190f41f48ee26cee2db82574764bcb690fdf8f3f3324528ed9c0cbdff1ff
[INFO] running `Command { std: "docker" "start" "-a" "4475190f41f48ee26cee2db82574764bcb690fdf8f3f3324528ed9c0cbdff1ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling try_match_inner v0.3.0
[INFO] [stderr]    Compiling try_match v0.2.3
[INFO] [stderr]    Compiling serde-object v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]   --> src/serializer.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     serde_if_integer128!(serialize! {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:665:10
[INFO] [stdout]     |
[INFO] [stdout] 665 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]    --> src/lib.rs:844:5
[INFO] [stdout]     |
[INFO] [stdout] 844 |     serde_if_integer128!(forward_to_deserialize_any! {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde::serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         serde_if_integer128,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde::serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]  --> src/serializer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         serde_if_integer128,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assistant.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .pipe(|a| Any::downcast_ref::<Assistant>(a))
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .pipe(|a| <dyn Any>::downcast_ref::<Assistant>(a))
[INFO] [stdout]    |                               ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]     --> src/lib.rs:1006:31
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn tuple_variant<V>(self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
[INFO] [stdout]      |                               ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]     --> src/lib.rs:1018:9
[INFO] [stdout]      |
[INFO] [stdout] 1018 |         fields: &'static [&'static str],
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1032:14
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     fn unexp(&self) -> de::Unexpected {
[INFO] [stdout]      |              ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |              |
[INFO] [stdout]      |              the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     fn unexp(&self) -> de::Unexpected<'_> {
[INFO] [stdout]      |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "4475190f41f48ee26cee2db82574764bcb690fdf8f3f3324528ed9c0cbdff1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4475190f41f48ee26cee2db82574764bcb690fdf8f3f3324528ed9c0cbdff1ff", kill_on_drop: false }`
[INFO] [stdout] 4475190f41f48ee26cee2db82574764bcb690fdf8f3f3324528ed9c0cbdff1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78fb52cef51bb13f6679c1f0a38110e2e635f25b1e35233de7ab45ebe8ef24c7
[INFO] running `Command { std: "docker" "start" "-a" "78fb52cef51bb13f6679c1f0a38110e2e635f25b1e35233de7ab45ebe8ef24c7", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]   --> src/serializer.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     serde_if_integer128!(serialize! {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:665:10
[INFO] [stdout]     |
[INFO] [stdout] 665 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]    --> src/lib.rs:844:5
[INFO] [stdout]     |
[INFO] [stdout] 844 |     serde_if_integer128!(forward_to_deserialize_any! {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde::serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         serde_if_integer128,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde::serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]  --> src/serializer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         serde_if_integer128,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assistant.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .pipe(|a| Any::downcast_ref::<Assistant>(a))
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .pipe(|a| <dyn Any>::downcast_ref::<Assistant>(a))
[INFO] [stdout]    |                               ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]     --> src/lib.rs:1006:31
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn tuple_variant<V>(self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
[INFO] [stdout]      |                               ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde-object v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]     --> src/lib.rs:1018:9
[INFO] [stdout]      |
[INFO] [stdout] 1018 |         fields: &'static [&'static str],
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1032:14
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     fn unexp(&self) -> de::Unexpected {
[INFO] [stdout]      |              ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |              |
[INFO] [stdout]      |              the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     fn unexp(&self) -> de::Unexpected<'_> {
[INFO] [stdout]      |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]   --> src/serializer.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     serde_if_integer128!(serialize! {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:665:10
[INFO] [stdout]     |
[INFO] [stdout] 665 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]    --> src/lib.rs:844:5
[INFO] [stdout]     |
[INFO] [stdout] 844 |     serde_if_integer128!(forward_to_deserialize_any! {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde::serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         serde_if_integer128,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `serde::serde_if_integer128`: 
[INFO] [stdout]          This macro has no effect on any version of Serde released in the past 2 years.
[INFO] [stdout]          It was used long ago in crates that needed to support Rustc older than 1.26.0,
[INFO] [stdout]          or Emscripten targets older than 1.40.0, which did not yet have 128-bit integer
[INFO] [stdout]          support. These days Serde requires a Rust compiler newer than that so 128-bit
[INFO] [stdout]          integers are always supported.
[INFO] [stdout]  --> src/serializer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         serde_if_integer128,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assistant.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .pipe(|a| Any::downcast_ref::<Assistant>(a))
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .pipe(|a| <dyn Any>::downcast_ref::<Assistant>(a))
[INFO] [stdout]    |                               ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]     --> src/lib.rs:1006:31
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn tuple_variant<V>(self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
[INFO] [stdout]      |                               ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]     --> src/lib.rs:1018:9
[INFO] [stdout]      |
[INFO] [stdout] 1018 |         fields: &'static [&'static str],
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1032:14
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     fn unexp(&self) -> de::Unexpected {
[INFO] [stdout]      |              ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |              |
[INFO] [stdout]      |              the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     fn unexp(&self) -> de::Unexpected<'_> {
[INFO] [stdout]      |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "78fb52cef51bb13f6679c1f0a38110e2e635f25b1e35233de7ab45ebe8ef24c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fb52cef51bb13f6679c1f0a38110e2e635f25b1e35233de7ab45ebe8ef24c7", kill_on_drop: false }`
[INFO] [stdout] 78fb52cef51bb13f6679c1f0a38110e2e635f25b1e35233de7ab45ebe8ef24c7
