[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] 0b0368a..e2def56 gui-decode-skip -> gui-decode-skip [INFO] [stderr] c3ad2dc..8ced7db scott_extend_fuzzer -> scott_extend_fuzzer [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2ce46f444b1615b064c7d084f817ebe032e9aa7b [INFO] checking paritytech/parity-codec against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain ba72b15666b2491415aec703a02c2364fe5e2790 [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4355f2066d90763352438a6b2607c44d4613075e06c19b92fb75fd1275c57fd7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "4355f2066d90763352438a6b2607c44d4613075e06c19b92fb75fd1275c57fd7"` [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking byte-slice-cast v0.3.5 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Compiling proc-macro-crate v0.1.4 [INFO] [stderr] Checking parity-scale-codec v1.3.0 (/opt/rustwide/workdir) [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` [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` [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` [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` [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" "4355f2066d90763352438a6b2607c44d4613075e06c19b92fb75fd1275c57fd7"` [INFO] running `"docker" "rm" "-f" "4355f2066d90763352438a6b2607c44d4613075e06c19b92fb75fd1275c57fd7"` [INFO] [stdout] 4355f2066d90763352438a6b2607c44d4613075e06c19b92fb75fd1275c57fd7