[INFO] updating cached repository https://github.com/paritytech/parity-codec
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/paritytech/parity-codec
[INFO] [stderr]    d4b8b8b..c3ad2dc  scott_extend_fuzzer -> scott_extend_fuzzer
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ce46f444b1615b064c7d084f817ebe032e9aa7b
[INFO] checking paritytech/parity-codec against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/paritytech/parity-codec
[INFO] removed workspace from git repo https://github.com/paritytech/parity-codec
[INFO] removed path dependency parity-scale-codec-derive from git repo https://github.com/paritytech/parity-codec
[INFO] removed path dependency parity-scale-codec-derive from 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/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cf265cd9871f99c452cbbf9660165cdb9eba54b72e634601e8bc5bfbef8e6e1
[INFO] running `"docker" "start" "-a" "9cf265cd9871f99c452cbbf9660165cdb9eba54b72e634601e8bc5bfbef8e6e1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking parity-scale-codec v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stderr]   --> tests/single_field_struct_encoding.rs:14:61
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stderr]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `SSkip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected fn pointer `fn(_) -> std::result::Result<SSkip, _::_parity_scale_codec::Error>`
[INFO] [stderr]               found fn pointer `fn(_) -> SSkip`
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stderr]   --> tests/single_field_struct_encoding.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stderr]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `U`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected fn pointer `fn(_) -> std::result::Result<U, _::_parity_scale_codec::Error>`
[INFO] [stderr]               found fn pointer `fn(_) -> U`
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stderr]   --> tests/single_field_struct_encoding.rs:40:61
[INFO] [stderr]    |
[INFO] [stderr] 40 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stderr]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `U2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected fn pointer `fn(_) -> std::result::Result<U2, _::_parity_scale_codec::Error>`
[INFO] [stderr]               found fn pointer `fn(_) -> U2`
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stderr]   --> tests/single_field_struct_encoding.rs:44:61
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stderr]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `USkip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected fn pointer `fn(_) -> std::result::Result<USkip, _::_parity_scale_codec::Error>`
[INFO] [stderr]               found fn pointer `fn(_) -> USkip`
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0053`.
[INFO] [stderr] error: could not compile `parity-scale-codec`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9cf265cd9871f99c452cbbf9660165cdb9eba54b72e634601e8bc5bfbef8e6e1"`
[INFO] running `"docker" "rm" "-f" "9cf265cd9871f99c452cbbf9660165cdb9eba54b72e634601e8bc5bfbef8e6e1"`
[INFO] [stdout] 9cf265cd9871f99c452cbbf9660165cdb9eba54b72e634601e8bc5bfbef8e6e1
