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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-trifffin%2Fsubstrate-erc20" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robert-trifffin/substrate-erc20
[INFO] finished tweaking git repo https://github.com/robert-trifffin/substrate-erc20
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[INFO] validating manifest of git repo https://github.com/robert-trifffin/substrate-erc20 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
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[INFO] crate git repo https://github.com/robert-trifffin/substrate-erc20 already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[ink::contract]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `::scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `::scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `::scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[ink::contract]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `::scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `::scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `::scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Event emitted when a token transfer occurs.
[INFO] [stdout] 40 | |     #[ink(event)]
[INFO] [stdout] 41 | |     pub struct Transfer {
[INFO] [stdout] 42 | |         #[ink(topic)]
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         value: Balance,
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Event emitted when a token transfer occurs.
[INFO] [stdout] 40 | |     #[ink(event)]
[INFO] [stdout] 41 | |     pub struct Transfer {
[INFO] [stdout] 42 | |         #[ink(topic)]
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         value: Balance,
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Event emitted when an approval occurs that `spender` is allowed to withdraw
[INFO] [stdout] 50 | |     /// up to the amount of `value` tokens from `owner`.
[INFO] [stdout] 51 | |     #[ink(event)]
[INFO] [stdout] 52 | |     pub struct Approval {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         value: Balance,
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Event emitted when an approval occurs that `spender` is allowed to withdraw
[INFO] [stdout] 50 | |     /// up to the amount of `value` tokens from `owner`.
[INFO] [stdout] 51 | |     #[ink(event)]
[INFO] [stdout] 52 | |     pub struct Approval {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         value: Balance,
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[derive(Debug, PartialEq, Eq, scale::Encode, scale::Decode)]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:61:51
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[derive(Debug, PartialEq, Eq, scale::Encode, scale::Decode)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ink-experimental-engine`
[INFO] [stdout]    --> lib.rs:209:15
[INFO] [stdout]     |
[INFO] [stdout] 209 |     #[cfg(not(feature = "ink-experimental-engine"))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]     = help: consider adding `ink-experimental-engine` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ink-experimental-engine`
[INFO] [stdout]    --> lib.rs:529:11
[INFO] [stdout]     |
[INFO] [stdout] 529 |     #[cfg(feature = "ink-experimental-engine")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]     = help: consider adding `ink-experimental-engine` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[ink::contract]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `::scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `::scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `::scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[ink::contract]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `::scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `::scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `::scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Event emitted when a token transfer occurs.
[INFO] [stdout] 40 | |     #[ink(event)]
[INFO] [stdout] 41 | |     pub struct Transfer {
[INFO] [stdout] 42 | |         #[ink(topic)]
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         value: Balance,
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Event emitted when a token transfer occurs.
[INFO] [stdout] 40 | |     #[ink(event)]
[INFO] [stdout] 41 | |     pub struct Transfer {
[INFO] [stdout] 42 | |         #[ink(topic)]
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         value: Balance,
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Event emitted when an approval occurs that `spender` is allowed to withdraw
[INFO] [stdout] 50 | |     /// up to the amount of `value` tokens from `owner`.
[INFO] [stdout] 51 | |     #[ink(event)]
[INFO] [stdout] 52 | |     pub struct Approval {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         value: Balance,
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Event emitted when an approval occurs that `spender` is allowed to withdraw
[INFO] [stdout] 50 | |     /// up to the amount of `value` tokens from `owner`.
[INFO] [stdout] 51 | |     #[ink(event)]
[INFO] [stdout] 52 | |     pub struct Approval {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         value: Balance,
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[derive(Debug, PartialEq, Eq, scale::Encode, scale::Decode)]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Encode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Encode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> lib.rs:61:51
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[derive(Debug, PartialEq, Eq, scale::Encode, scale::Decode)]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `scale::Decode` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `scale::Decode` may come from an old version of the `parity_scale_codec_derive` crate, try updating your dependency with `cargo update -p parity_scale_codec_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `scale::Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ink-experimental-engine`
[INFO] [stdout]    --> lib.rs:209:15
[INFO] [stdout]     |
[INFO] [stdout] 209 |     #[cfg(not(feature = "ink-experimental-engine"))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]     = help: consider adding `ink-experimental-engine` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ink-experimental-engine`
[INFO] [stdout]    --> lib.rs:529:11
[INFO] [stdout]     |
[INFO] [stdout] 529 |     #[cfg(feature = "ink-experimental-engine")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ink-as-dependency`, `ink_metadata`, `scale-info`, and `std`
[INFO] [stdout]     = help: consider adding `ink-experimental-engine` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EventTopicsWithinBounds` is never used
[INFO] [stdout]   --> lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Event emitted when a token transfer occurs.
[INFO] [stdout] 40 | |     #[ink(event)]
[INFO] [stdout] 41 | |     pub struct Transfer {
[INFO] [stdout] 42 | |         #[ink(topic)]
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         value: Balance,
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EventTopicsWithinBounds` is never used
[INFO] [stdout]   --> lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Event emitted when an approval occurs that `spender` is allowed to withdraw
[INFO] [stdout] 50 | |     /// up to the amount of `value` tokens from `owner`.
[INFO] [stdout] 51 | |     #[ink(event)]
[INFO] [stdout] 52 | |     pub struct Approval {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         value: Balance,
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EventTopicsWithinBounds` is never used
[INFO] [stdout]   --> lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Event emitted when a token transfer occurs.
[INFO] [stdout] 40 | |     #[ink(event)]
[INFO] [stdout] 41 | |     pub struct Transfer {
[INFO] [stdout] 42 | |         #[ink(topic)]
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         value: Balance,
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EventTopicsWithinBounds` is never used
[INFO] [stdout]   --> lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Event emitted when an approval occurs that `spender` is allowed to withdraw
[INFO] [stdout] 50 | |     /// up to the amount of `value` tokens from `owner`.
[INFO] [stdout] 51 | |     #[ink(event)]
[INFO] [stdout] 52 | |     pub struct Approval {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         value: Balance,
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrefixedValue` is never constructed
[INFO] [stdout]    --> lib.rs:508:12
[INFO] [stdout]     |
[INFO] [stdout] 508 |     struct PrefixedValue<'a, 'b, T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "8b69c829323fde6e54ff4e167162e354cb9ef1b6b843c9727cd3c3a26c31b7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b69c829323fde6e54ff4e167162e354cb9ef1b6b843c9727cd3c3a26c31b7b8", kill_on_drop: false }`
[INFO] [stdout] 8b69c829323fde6e54ff4e167162e354cb9ef1b6b843c9727cd3c3a26c31b7b8
