[INFO] fetching crate sp-tasks 3.0.0...
[INFO] testing sp-tasks-3.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate sp-tasks 3.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sp-tasks 3.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-tasks 3.0.0
[INFO] finished tweaking crates.io crate sp-tasks 3.0.0
[INFO] tweaked toml for crates.io crate sp-tasks 3.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf7761222caaf50440f06fdb89f7918158c1f624129f0b5930ebe4cd29a1ea8
[INFO] running `Command { std: "docker" "start" "-a" "cdf7761222caaf50440f06fdb89f7918158c1f624129f0b5930ebe4cd29a1ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf7761222caaf50440f06fdb89f7918158c1f624129f0b5930ebe4cd29a1ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf7761222caaf50440f06fdb89f7918158c1f624129f0b5930ebe4cd29a1ea8", kill_on_drop: false }`
[INFO] [stdout] cdf7761222caaf50440f06fdb89f7918158c1f624129f0b5930ebe4cd29a1ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc94ed50aa6cac8315617d4d3e1ea2f443e9941f3dc90a0c32cc3b70d2a851f
[INFO] running `Command { std: "docker" "start" "-a" "9cc94ed50aa6cac8315617d4d3e1ea2f443e9941f3dc90a0c32cc3b70d2a851f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
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[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
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[INFO] [stderr]    Compiling sp-externalities v0.9.0
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[INFO] [stderr]    Compiling memory-db v0.26.0
[INFO] [stderr]    Compiling sp-tracing v3.0.0
[INFO] [stderr]    Compiling sp-runtime-interface v3.0.0
[INFO] [stderr]    Compiling sp-core v3.0.0
[INFO] [stderr]    Compiling sp-trie v3.0.0
[INFO] [stderr]    Compiling sp-keystore v0.9.0
[INFO] [stderr]    Compiling sp-state-machine v0.9.0
[INFO] [stderr]    Compiling sp-io v3.0.0
[INFO] [stderr]    Compiling sp-tasks v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.87s
[INFO] running `Command { std: "docker" "inspect" "9cc94ed50aa6cac8315617d4d3e1ea2f443e9941f3dc90a0c32cc3b70d2a851f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc94ed50aa6cac8315617d4d3e1ea2f443e9941f3dc90a0c32cc3b70d2a851f", kill_on_drop: false }`
[INFO] [stdout] 9cc94ed50aa6cac8315617d4d3e1ea2f443e9941f3dc90a0c32cc3b70d2a851f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f499057c37bacdaa59d22e3bb346a760c6b17e04bb67312e9f741cedc551d360
[INFO] running `Command { std: "docker" "start" "-a" "f499057c37bacdaa59d22e3bb346a760c6b17e04bb67312e9f741cedc551d360", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-tasks v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `Command { std: "docker" "inspect" "f499057c37bacdaa59d22e3bb346a760c6b17e04bb67312e9f741cedc551d360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f499057c37bacdaa59d22e3bb346a760c6b17e04bb67312e9f741cedc551d360", kill_on_drop: false }`
[INFO] [stdout] f499057c37bacdaa59d22e3bb346a760c6b17e04bb67312e9f741cedc551d360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02e2bae7370e5c34f2be9d2b3de12e0a8ed591540e44ea9953166dc06bfcf031
[INFO] running `Command { std: "docker" "start" "-a" "02e2bae7370e5c34f2be9d2b3de12e0a8ed591540e44ea9953166dc06bfcf031", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sp_tasks-8daaf1feab941299)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::panicking ... ok
[INFO] [stdout] test tests::many_joins ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sp-tasks
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `codec`
[INFO] [stdout]  --> src/lib.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use codec::Encode;
[INFO] [stdout]   |     ^^^^^ help: a similar path exists: `sp_runtime_interface::codec`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for enum `Option` in the current scope
[INFO] [stdout]    --> src/lib.rs:46:97
[INFO] [stdout]     |
[INFO] [stdout] 14  |            sp_tasks::spawn(my_parallel_computator, computation_payload.chunks(10).nth(idx as _).encode())
[INFO] [stdout]     |                                                                                                 ^^^^^^ method not found in `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/parity-scale-codec-2.3.1/src/codec.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |        ------ the method is available for `Option<&[u8]>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 2   + use parity_scale_codec::codec::Encode;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "02e2bae7370e5c34f2be9d2b3de12e0a8ed591540e44ea9953166dc06bfcf031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e2bae7370e5c34f2be9d2b3de12e0a8ed591540e44ea9953166dc06bfcf031", kill_on_drop: false }`
[INFO] [stdout] 02e2bae7370e5c34f2be9d2b3de12e0a8ed591540e44ea9953166dc06bfcf031
[INFO] testing sp-tasks-3.0.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate sp-tasks 3.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate sp-tasks 3.0.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-tasks 3.0.0
[INFO] finished tweaking crates.io crate sp-tasks 3.0.0
[INFO] tweaked toml for crates.io crate sp-tasks 3.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2eaabecb3d64cd5deb4fe483f3a03a22c5bd1ecce36f3a655bb10aa0db1a66c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eaabecb3d64cd5deb4fe483f3a03a22c5bd1ecce36f3a655bb10aa0db1a66c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eaabecb3d64cd5deb4fe483f3a03a22c5bd1ecce36f3a655bb10aa0db1a66c7", kill_on_drop: false }`
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[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.91s
[INFO] running `Command { std: "docker" "inspect" "1fa653ae7cdf48b7c51741f44628f5014af35c3b7d8cfa3c6a8a37caf7d8b358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa653ae7cdf48b7c51741f44628f5014af35c3b7d8cfa3c6a8a37caf7d8b358", kill_on_drop: false }`
[INFO] [stdout] 1fa653ae7cdf48b7c51741f44628f5014af35c3b7d8cfa3c6a8a37caf7d8b358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f958cea5af8d0d327855ff33a203aa1a8b8d0d99e6b8e71aabb9b44b2694276
[INFO] running `Command { std: "docker" "start" "-a" "7f958cea5af8d0d327855ff33a203aa1a8b8d0d99e6b8e71aabb9b44b2694276", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-tasks v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.10s
[INFO] running `Command { std: "docker" "inspect" "7f958cea5af8d0d327855ff33a203aa1a8b8d0d99e6b8e71aabb9b44b2694276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f958cea5af8d0d327855ff33a203aa1a8b8d0d99e6b8e71aabb9b44b2694276", kill_on_drop: false }`
[INFO] [stdout] 7f958cea5af8d0d327855ff33a203aa1a8b8d0d99e6b8e71aabb9b44b2694276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6629f6b104df5544193573488d458ddd2569029f0eb019a9e9580e717e12279
[INFO] running `Command { std: "docker" "start" "-a" "b6629f6b104df5544193573488d458ddd2569029f0eb019a9e9580e717e12279", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sp_tasks-1716937c9a1e540c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::many_joins ... ok
[INFO] [stdout] test tests::panicking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sp-tasks
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `codec`
[INFO] [stdout]  --> src/lib.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use codec::Encode;
[INFO] [stdout]   |     ^^^^^ help: a similar path exists: `sp_runtime_interface::codec`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for enum `Option` in the current scope
[INFO] [stdout]    --> src/lib.rs:46:97
[INFO] [stdout]     |
[INFO] [stdout] 14  |            sp_tasks::spawn(my_parallel_computator, computation_payload.chunks(10).nth(idx as _).encode())
[INFO] [stdout]     |                                                                                                 ^^^^^^ method not found in `Option<&[u8]>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/parity-scale-codec-2.3.1/src/codec.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |        ------ the method is available for `Option<&[u8]>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 2   + use parity_scale_codec::codec::Encode;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b6629f6b104df5544193573488d458ddd2569029f0eb019a9e9580e717e12279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6629f6b104df5544193573488d458ddd2569029f0eb019a9e9580e717e12279", kill_on_drop: false }`
[INFO] [stdout] b6629f6b104df5544193573488d458ddd2569029f0eb019a9e9580e717e12279
