[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] 9e966cb30c391fbdbc31796ec14d1c1aafa61034 [INFO] checking paritytech/parity-codec against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-3/source", kill_on_drop: false }` [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 beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfffcd2680c1eba655d4b10b906fa6d7deac6ff09c5b330896ed4c9f61005b4d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bfffcd2680c1eba655d4b10b906fa6d7deac6ff09c5b330896ed4c9f61005b4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfffcd2680c1eba655d4b10b906fa6d7deac6ff09c5b330896ed4c9f61005b4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfffcd2680c1eba655d4b10b906fa6d7deac6ff09c5b330896ed4c9f61005b4d", kill_on_drop: false }` [INFO] [stdout] bfffcd2680c1eba655d4b10b906fa6d7deac6ff09c5b330896ed4c9f61005b4d [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7c60d70b905fbed1cd7381f36019f9f76f95c795953a539f865361b1b7b1dfa0 [INFO] running `Command { std: "docker" "start" "-a" "7c60d70b905fbed1cd7381f36019f9f76f95c795953a539f865361b1b7b1dfa0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling parity-scale-codec-derive v1.2.2 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking csv v1.1.4 [INFO] [stderr] Checking parity-scale-codec v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait [INFO] [stdout] --> tests/single_field_struct_encoding.rs:14:61 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)] [INFO] [stdout] | ^^^^^^^^^ expected enum `std::result::Result`, found struct `SSkip` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(_) -> std::result::Result` [INFO] [stdout] found fn pointer `fn(_) -> SSkip` [INFO] [stdout] = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait [INFO] [stdout] --> tests/single_field_struct_encoding.rs:36:61 [INFO] [stdout] | [INFO] [stdout] 36 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)] [INFO] [stdout] | ^^^^^^^^^ expected enum `std::result::Result`, found struct `U` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(_) -> std::result::Result` [INFO] [stdout] found fn pointer `fn(_) -> U` [INFO] [stdout] = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait [INFO] [stdout] --> tests/single_field_struct_encoding.rs:40:61 [INFO] [stdout] | [INFO] [stdout] 40 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)] [INFO] [stdout] | ^^^^^^^^^ expected enum `std::result::Result`, found struct `U2` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(_) -> std::result::Result` [INFO] [stdout] found fn pointer `fn(_) -> U2` [INFO] [stdout] = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait [INFO] [stdout] --> tests/single_field_struct_encoding.rs:44:61 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)] [INFO] [stdout] | ^^^^^^^^^ expected enum `std::result::Result`, found struct `USkip` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(_) -> std::result::Result` [INFO] [stdout] found fn pointer `fn(_) -> USkip` [INFO] [stdout] = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0053`. [INFO] [stdout] [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 `Command { std: "docker" "inspect" "7c60d70b905fbed1cd7381f36019f9f76f95c795953a539f865361b1b7b1dfa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c60d70b905fbed1cd7381f36019f9f76f95c795953a539f865361b1b7b1dfa0", kill_on_drop: false }` [INFO] [stdout] 7c60d70b905fbed1cd7381f36019f9f76f95c795953a539f865361b1b7b1dfa0