[INFO] fetching crate classic-rust 0.2.0...
[INFO] checking classic-rust-0.2.0 against da86f4d0726be475afbbffe40cb2f65741c51ad3 for pr-159877
[INFO] extracting crate classic-rust 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate classic-rust 0.2.0
[INFO] finished tweaking crates.io crate classic-rust 0.2.0
[INFO] tweaked toml for crates.io crate classic-rust 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate classic-rust 0.2.0 on toolchain da86f4d0726be475afbbffe40cb2f65741c51ad3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "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" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding cosmwasm-std v1.5.11 (available: v3.0.9)
[INFO] [stderr]       Adding crypto-common v0.1.6 (available: v0.1.7)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding osmosis-std-derive v0.20.1 (available: v0.26.0)
[INFO] [stderr]       Adding prost v0.11.9 (available: v0.14.4)
[INFO] [stderr]       Adding prost-types v0.11.9 (available: v0.14.4)
[INFO] [stderr]       Adding schemars v0.8.22 (available: v1.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-json-wasm v0.5.2
[INFO] [stderr]   Downloaded serde-cw-value v0.7.0
[INFO] [stderr]   Downloaded forward_ref v1.0.0
[INFO] [stderr]   Downloaded osmosis-std-derive v0.20.1
[INFO] [stderr]   Downloaded cosmwasm-derive v1.5.11
[INFO] [stderr]   Downloaded cosmwasm-crypto v1.5.11
[INFO] [stderr]   Downloaded cosmwasm-std v1.5.11
[INFO] [stderr]   Downloaded bnum v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef
[INFO] running `Command { std: "docker" "start" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]     Checking generic-array v0.14.9
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling either v1.17.0
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking serde-json-wasm v0.5.2
[INFO] [stderr]     Checking forward_ref v1.0.0
[INFO] [stderr]     Checking bnum v0.10.0
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking ed25519-zebra v3.1.0
[INFO] [stderr]     Checking serde-cw-value v0.7.0
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking k256 v0.13.4
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking cosmwasm-crypto v1.5.11
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling cosmwasm-derive v1.5.11
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]     Checking prost-types v0.11.9
[INFO] [stderr]     Checking cosmwasm-std v1.5.11
[INFO] [stderr]    Compiling osmosis-std-derive v0.20.1
[INFO] [stderr]     Checking classic-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ser`
[INFO] [stdout]  --> src/shim.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::serde::{ser, Deserialize, Deserializer, Serialize, Serializer};
[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 import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/cosmwasm/wasm/v1.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |         use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]   --> src/types/tendermint/abci.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:697:9
[INFO] [stdout]     |
[INFO] [stdout] 697 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:784:9
[INFO] [stdout]     |
[INFO] [stdout] 784 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:865:9
[INFO] [stdout]     |
[INFO] [stdout] 865 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:934:9
[INFO] [stdout]     |
[INFO] [stdout] 934 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/crypto.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/types.rs:706:9
[INFO] [stdout]     |
[INFO] [stdout] 706 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ser`
[INFO] [stdout]  --> src/shim.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::serde::{ser, Deserialize, Deserializer, Serialize, Serializer};
[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 import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/cosmwasm/wasm/v1.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |         use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]   --> src/types/tendermint/abci.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:697:9
[INFO] [stdout]     |
[INFO] [stdout] 697 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:784:9
[INFO] [stdout]     |
[INFO] [stdout] 784 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:865:9
[INFO] [stdout]     |
[INFO] [stdout] 865 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/abci.rs:934:9
[INFO] [stdout]     |
[INFO] [stdout] 934 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/crypto.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `osmosis_std_derive::CosmwasmExt`
[INFO] [stdout]    --> src/types/tendermint/types.rs:706:9
[INFO] [stdout]     |
[INFO] [stdout] 706 |     use osmosis_std_derive::CosmwasmExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp_opt`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> src/shim.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let dt = NaiveDateTime::from_timestamp_opt(ts.seconds, ts.nanos as u32)
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> src/shim.rs:39:43
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let dt: DateTime<Utc> = DateTime::from_utc(dt, Utc);
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp_opt`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> src/shim.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let dt = NaiveDateTime::from_timestamp_opt(ts.seconds, ts.nanos as u32)
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> src/shim.rs:39:43
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let dt: DateTime<Utc> = DateTime::from_utc(dt, Utc);
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prost::Message`
[INFO] [stdout]   --> src/shim.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use prost::Message;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serializer`
[INFO] [stdout]    --> src/shim.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 serializer: S,
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `serializer` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/shim.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 serializer: S,
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `expand_as_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/shim.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     Some(t) => {
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `t` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/shim.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     Some(t) => {
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_as_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prost::Message`
[INFO] [stdout]   --> src/shim.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use prost::Message;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serializer`
[INFO] [stdout]    --> src/shim.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 serializer: S,
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `serializer` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/shim.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 serializer: S,
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `expand_as_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/shim.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     Some(t) => {
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `t` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/shim.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     Some(t) => {
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 288 | expand_as_any!();
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `expand_as_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef", kill_on_drop: false }`
[INFO] [stdout] 3cb98dd4d531acbd55e18a63a2f4ce88f8bfd04290a2b3fb6cfa7abab214edef
