[INFO] cloning repository https://github.com/paritytech/parity-codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/parity-codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c3cc7f2311c8ea7522f4edc21d9cf1f7b661519
[INFO] checking paritytech/parity-codec against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/parity-codec
[INFO] finished tweaking git repo https://github.com/paritytech/parity-codec
[INFO] tweaked toml for git repo https://github.com/paritytech/parity-codec written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/parity-codec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.196
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[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
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[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.3.1
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking parity-scale-codec-derive v3.6.8 (/opt/rustwide/workdir/derive)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> derive/src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> derive/src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parity-scale-codec v3.6.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking basic-toml v0.1.8
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking codec-fuzzer v0.1.0 (/opt/rustwide/workdir/fuzzer)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> derive/src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> tests/type_inference.rs:34:54
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct B<T: Trait>((T::AccountId, T::AccountId), Vec<(T::Value, T::Value)>);
[INFO] [stdout]    |            - field in this struct                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct B<T: Trait>((T::AccountId, T::AccountId), ());
[INFO] [stdout]    |                                                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/chain-error.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct StructUnnamed(u16);
[INFO] [stdout]    |        ------------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructUnnamed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct StructUnnamed(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/chain-error.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VariantUnnamed(u16),
[INFO] [stdout]    |     -------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VariantUnnamed(()),
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:672:29
[INFO] [stdout]     |
[INFO] [stdout] 672 |     struct HugeArrayNewtypeBox(Box<HugeArrayNewtype>);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 672 |     struct HugeArrayNewtypeBox(());
[INFO] [stdout]     |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:715:27
[INFO] [stdout]     |
[INFO] [stdout] 715 |     struct NewtypeWithZstBox(Box<NewtypeWithZst>);
[INFO] [stdout]     |            ----------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 715 |     struct NewtypeWithZstBox(());
[INFO] [stdout]     |                              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:766:16
[INFO] [stdout]     |
[INFO] [stdout] 766 |     struct Foobar(u8);
[INFO] [stdout]     |            ------ ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 766 |     struct Foobar(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:790:16
[INFO] [stdout]     |
[INFO] [stdout] 790 |     struct Foobar(u8);
[INFO] [stdout]     |            ------ ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 790 |     struct Foobar(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.45s
[INFO] running `Command { std: "docker" "inspect" "d49445e455c3a24084a01b521be6713808ed87d0e3abc7b9d328c41e62002bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49445e455c3a24084a01b521be6713808ed87d0e3abc7b9d328c41e62002bc0", kill_on_drop: false }`
[INFO] [stdout] d49445e455c3a24084a01b521be6713808ed87d0e3abc7b9d328c41e62002bc0
[INFO] checking paritytech/parity-codec against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/parity-codec
[INFO] finished tweaking git repo https://github.com/paritytech/parity-codec
[INFO] tweaked toml for git repo https://github.com/paritytech/parity-codec written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/parity-codec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ed91c3ad43c8ebb110102714032d84729b435cf3aa0e13ea292842401f101ce
[INFO] running `Command { std: "docker" "start" "-a" "0ed91c3ad43c8ebb110102714032d84729b435cf3aa0e13ea292842401f101ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed91c3ad43c8ebb110102714032d84729b435cf3aa0e13ea292842401f101ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed91c3ad43c8ebb110102714032d84729b435cf3aa0e13ea292842401f101ce", kill_on_drop: false }`
[INFO] [stdout] 0ed91c3ad43c8ebb110102714032d84729b435cf3aa0e13ea292842401f101ce
[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 -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7abae4b4b2282c1b89a376ead9f5bd1c4ad3adee5a4d8a6e34dfd8912f867f73
[INFO] running `Command { std: "docker" "start" "-a" "7abae4b4b2282c1b89a376ead9f5bd1c4ad3adee5a4d8a6e34dfd8912f867f73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling serde_derive v1.0.196
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[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> derive/src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> derive/src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking parity-scale-codec v3.6.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking basic-toml v0.1.8
[INFO] [stderr]     Checking codec-fuzzer v0.1.0 (/opt/rustwide/workdir/fuzzer)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> derive/src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/chain-error.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct StructUnnamed(u16);
[INFO] [stdout]    |        ------------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructUnnamed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct StructUnnamed(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/chain-error.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VariantUnnamed(u16),
[INFO] [stdout]    |     -------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VariantUnnamed(()),
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> tests/type_inference.rs:34:54
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct B<T: Trait>((T::AccountId, T::AccountId), Vec<(T::Value, T::Value)>);
[INFO] [stdout]    |            - field in this struct                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct B<T: Trait>((T::AccountId, T::AccountId), ());
[INFO] [stdout]    |                                                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:672:29
[INFO] [stdout]     |
[INFO] [stdout] 672 |     struct HugeArrayNewtypeBox(Box<HugeArrayNewtype>);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 672 |     struct HugeArrayNewtypeBox(());
[INFO] [stdout]     |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:715:27
[INFO] [stdout]     |
[INFO] [stdout] 715 |     struct NewtypeWithZstBox(Box<NewtypeWithZst>);
[INFO] [stdout]     |            ----------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 715 |     struct NewtypeWithZstBox(());
[INFO] [stdout]     |                              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:766:16
[INFO] [stdout]     |
[INFO] [stdout] 766 |     struct Foobar(u8);
[INFO] [stdout]     |            ------ ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 766 |     struct Foobar(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/mod.rs:790:16
[INFO] [stdout]     |
[INFO] [stdout] 790 |     struct Foobar(u8);
[INFO] [stdout]     |            ------ ^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 790 |     struct Foobar(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]    --> tests/mod.rs:364:2
[INFO] [stdout]     |
[INFO] [stdout] 364 | /     impl<'a> From<&'a StructEncodeAsRef> for &'a u32 {
[INFO] [stdout] 365 | |         fn from(_: &'a StructEncodeAsRef) -> Self {
[INFO] [stdout] 366 | |             &0
[INFO] [stdout] 367 | |         }
[INFO] [stdout] 368 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: move this `impl` block outside the of the current function `generic_bound_encoded_as`
[INFO] [stdout]     = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]    --> tests/mod.rs:370:2
[INFO] [stdout]     |
[INFO] [stdout] 370 | /     impl<'a> EncodeAsRef<'a, StructEncodeAsRef> for u32 {
[INFO] [stdout] 371 | |         type RefType = &'a u32;
[INFO] [stdout] 372 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: move this `impl` block outside the of the current function `generic_bound_encoded_as`
[INFO] [stdout]     = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-scale-codec` (test "mod") due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7abae4b4b2282c1b89a376ead9f5bd1c4ad3adee5a4d8a6e34dfd8912f867f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abae4b4b2282c1b89a376ead9f5bd1c4ad3adee5a4d8a6e34dfd8912f867f73", kill_on_drop: false }`
[INFO] [stdout] 7abae4b4b2282c1b89a376ead9f5bd1c4ad3adee5a4d8a6e34dfd8912f867f73
