[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] 90092bd35c1bc3c47de547f361fb381c9620863f
[INFO] building paritytech/parity-codec against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "eb99618f46f344cd76713b6fe4b405e6f3b2b1fe605496946c9372f82f62a55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb99618f46f344cd76713b6fe4b405e6f3b2b1fe605496946c9372f82f62a55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb99618f46f344cd76713b6fe4b405e6f3b2b1fe605496946c9372f82f62a55f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8713e8528e48756f5e15b365a87a381d32b457584a5cbfbe6ee39add33fc59cf
[INFO] running `Command { std: "docker" "start" "-a" "8713e8528e48756f5e15b365a87a381d32b457584a5cbfbe6ee39add33fc59cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
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[INFO] running `Command { std: "docker" "inspect" "8713e8528e48756f5e15b365a87a381d32b457584a5cbfbe6ee39add33fc59cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8713e8528e48756f5e15b365a87a381d32b457584a5cbfbe6ee39add33fc59cf", kill_on_drop: false }`
[INFO] [stdout] 8713e8528e48756f5e15b365a87a381d32b457584a5cbfbe6ee39add33fc59cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ca750773e97643565cc4f2f4d5e4d7165b44298e6c9a5d44440e1f99c5d755b
[INFO] running `Command { std: "docker" "start" "-a" "9ca750773e97643565cc4f2f4d5e4d7165b44298e6c9a5d44440e1f99c5d755b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5 (/opt/rustwide/workdir/derive)
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[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]   --> tests/bounds.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub struct Header<Number> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U2` is never constructed
[INFO] [stdout]   --> tests/single_field_struct_encoding.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct U2 {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StructWithPhantom` is never constructed
[INFO] [stdout]   --> tests/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct StructWithPhantom {
[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 `EnumWithU32Repr` is never used
[INFO] [stdout]    --> tests/mod.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | enum EnumWithU32Repr {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EnumWithI32Repr` is never used
[INFO] [stdout]    --> tests/mod.rs:131:6
[INFO] [stdout]     |
[INFO] [stdout] 131 | enum EnumWithI32Repr {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Foo` is never used
[INFO] [stdout]    --> tests/mod.rs:553:11
[INFO] [stdout]     |
[INFO] [stdout] 553 |     pub enum Foo {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]    --> tests/mod.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |     pub struct Bar {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyStruct` is never constructed
[INFO] [stdout]    --> tests/mod.rs:600:15
[INFO] [stdout]     |
[INFO] [stdout] 600 |             pub struct MyStruct {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 606 |     make_struct!(#[derive(DeriveEncode, DeriveDecode, DeriveDecodeWithMemTracking)]);
[INFO] [stdout]     |     -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyEnum` is never used
[INFO] [stdout]    --> tests/mod.rs:678:11
[INFO] [stdout]     |
[INFO] [stdout] 678 |     pub enum MyEnum {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewtypeWithZstBox` is never constructed
[INFO] [stdout]    --> tests/mod.rs:755:9
[INFO] [stdout]     |
[INFO] [stdout] 755 |     struct NewtypeWithZstBox(#[allow(dead_code)] Box<NewtypeWithZst>);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewtypeWithZstBox` is never constructed
[INFO] [stdout]    --> tests/mod.rs:783:9
[INFO] [stdout]     |
[INFO] [stdout] 783 |     struct NewtypeWithZstBox(Box<NewtypeWithZst>);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Enum` is never used
[INFO] [stdout]    --> tests/mod.rs:941:7
[INFO] [stdout]     |
[INFO] [stdout] 941 |     enum Enum {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 50.17s
[INFO] running `Command { std: "docker" "inspect" "9ca750773e97643565cc4f2f4d5e4d7165b44298e6c9a5d44440e1f99c5d755b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca750773e97643565cc4f2f4d5e4d7165b44298e6c9a5d44440e1f99c5d755b", kill_on_drop: false }`
[INFO] [stdout] 9ca750773e97643565cc4f2f4d5e4d7165b44298e6c9a5d44440e1f99c5d755b