[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a54a3dd86407953162d5f4b65a45fe6f7d69f789
[INFO] testing paritytech/parity-codec against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de38b0b17f20e2b18456ec4977057579c5c25413ac4e471e7cde2ee2b79acce9
[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" "de38b0b17f20e2b18456ec4977057579c5c25413ac4e471e7cde2ee2b79acce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de38b0b17f20e2b18456ec4977057579c5c25413ac4e471e7cde2ee2b79acce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de38b0b17f20e2b18456ec4977057579c5c25413ac4e471e7cde2ee2b79acce9", kill_on_drop: false }`
[INFO] [stdout] de38b0b17f20e2b18456ec4977057579c5c25413ac4e471e7cde2ee2b79acce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd6cc11d289f3a458969e930ba1566df4329fbb8264d341d53e8ac652158d34
[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" "2cd6cc11d289f3a458969e930ba1566df4329fbb8264d341d53e8ac652158d34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.90s
[INFO] running `Command { std: "docker" "inspect" "2cd6cc11d289f3a458969e930ba1566df4329fbb8264d341d53e8ac652158d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd6cc11d289f3a458969e930ba1566df4329fbb8264d341d53e8ac652158d34", kill_on_drop: false }`
[INFO] [stdout] 2cd6cc11d289f3a458969e930ba1566df4329fbb8264d341d53e8ac652158d34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11088180b2796afe42c4e00b4e1e6244e80bdd3ec98fa6fedc1faeb857467c3
[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" "c11088180b2796afe42c4e00b4e1e6244e80bdd3ec98fa6fedc1faeb857467c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling parity-scale-codec v1.3.0 (/opt/rustwide/workdir)
[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<SSkip, _::_parity_scale_codec::Error>`
[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<U, _::_parity_scale_codec::Error>`
[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<U2, _::_parity_scale_codec::Error>`
[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<USkip, _::_parity_scale_codec::Error>`
[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[E0424]: expected value, found module `self`
[INFO] [stdout]    --> tests/mod.rs:542:27
[INFO] [stdout]     |
[INFO] [stdout] 537 |                 field: u8
[INFO] [stdout]     |                 --------- this function has a `self` parameter, but a macro invocation can only access identifiers it receives from parameters
[INFO] [stdout] ...
[INFO] [stdout] 542 |     make_struct!(#[derive(Encode, Decode)]);
[INFO] [stdout]     |                           ^^^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout]     |
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0424`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c11088180b2796afe42c4e00b4e1e6244e80bdd3ec98fa6fedc1faeb857467c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11088180b2796afe42c4e00b4e1e6244e80bdd3ec98fa6fedc1faeb857467c3", kill_on_drop: false }`
[INFO] [stdout] c11088180b2796afe42c4e00b4e1e6244e80bdd3ec98fa6fedc1faeb857467c3