[INFO] fetching crate sp-ipld 0.2.0...
[INFO] documenting sp-ipld-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate sp-ipld 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sp-ipld 0.2.0 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-ipld 0.2.0
[INFO] finished tweaking crates.io crate sp-ipld 0.2.0
[INFO] tweaked toml for crates.io crate sp-ipld 0.2.0 written to /workspace/builds/worker-7-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-multihash-derive v0.2.0
[INFO] [stderr]   Downloaded bytecursor v0.1.2
[INFO] [stderr]   Downloaded sp-cid v0.2.0
[INFO] [stderr]   Downloaded sp-multihash v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0cf98654ec993848247efd8c859eb313d2520ba653e108600e2f844dc1a1d4de
[INFO] running `Command { std: "docker" "start" "-a" "0cf98654ec993848247efd8c859eb313d2520ba653e108600e2f844dc1a1d4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf98654ec993848247efd8c859eb313d2520ba653e108600e2f844dc1a1d4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf98654ec993848247efd8c859eb313d2520ba653e108600e2f844dc1a1d4de", kill_on_drop: false }`
[INFO] [stdout] 0cf98654ec993848247efd8c859eb313d2520ba653e108600e2f844dc1a1d4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792e7539cc677b5689fc3ca5e0d0a2a09b96fefe9d073ef82d993b193aaa3cb9
[INFO] running `Command { std: "docker" "start" "-a" "792e7539cc677b5689fc3ca5e0d0a2a09b96fefe9d073ef82d993b193aaa3cb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking bytecursor v0.1.2
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling sp-multihash-derive v0.2.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking sp-multihash v0.2.0
[INFO] [stderr]     Checking sp-cid v0.2.0
[INFO] [stderr]  Documenting sp-ipld v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sp-ipld`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name sp_ipld src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="base64"' --cfg 'feature="byteorder"' --cfg 'feature="dag-cbor"' --cfg 'feature="dag-json"' --cfg 'feature="default"' --cfg 'feature="multibase"' --cfg 'feature="serde"' --cfg 'feature="sp-multihash"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b90f1b71ee66ab31 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-8c378ceadce4af53.rmeta --extern bytecursor=/opt/rustwide/target/debug/deps/libbytecursor-8d5671d23b7fad06.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-cb0c92642940908d.rmeta --extern multibase=/opt/rustwide/target/debug/deps/libmultibase-3bc10d11752d593d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c49f1496d651f498.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-67eb46b238df5848.rmeta --extern sp_cid=/opt/rustwide/target/debug/deps/libsp_cid-5653222735bdafdf.rmeta --extern sp_multihash=/opt/rustwide/target/debug/deps/libsp_multihash-bb03875f28fe5b60.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-3c83738cc81f5b97.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "792e7539cc677b5689fc3ca5e0d0a2a09b96fefe9d073ef82d993b193aaa3cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792e7539cc677b5689fc3ca5e0d0a2a09b96fefe9d073ef82d993b193aaa3cb9", kill_on_drop: false }`
[INFO] [stdout] 792e7539cc677b5689fc3ca5e0d0a2a09b96fefe9d073ef82d993b193aaa3cb9
[INFO] documenting sp-ipld-0.2.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate sp-ipld 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate sp-ipld 0.2.0 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-ipld 0.2.0
[INFO] finished tweaking crates.io crate sp-ipld 0.2.0
[INFO] tweaked toml for crates.io crate sp-ipld 0.2.0 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
[INFO] [stdout] 295f9d5bbe20a0a488db74088b255cb97370406a77c51a168c9dc606f72b048f
[INFO] running `Command { std: "docker" "start" "-a" "295f9d5bbe20a0a488db74088b255cb97370406a77c51a168c9dc606f72b048f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295f9d5bbe20a0a488db74088b255cb97370406a77c51a168c9dc606f72b048f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295f9d5bbe20a0a488db74088b255cb97370406a77c51a168c9dc606f72b048f", kill_on_drop: false }`
[INFO] [stdout] 295f9d5bbe20a0a488db74088b255cb97370406a77c51a168c9dc606f72b048f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 557cb8b08570989610bb6c74d9eae5711d948e19ed5f2cc5bd923a103332b0ae
[INFO] running `Command { std: "docker" "start" "-a" "557cb8b08570989610bb6c74d9eae5711d948e19ed5f2cc5bd923a103332b0ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking bytecursor v0.1.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling sp-multihash-derive v0.2.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking sp-multihash v0.2.0
[INFO] [stderr]     Checking sp-cid v0.2.0
[INFO] [stderr]  Documenting sp-ipld v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sp-ipld`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name sp_ipld src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="base64"' --cfg 'feature="byteorder"' --cfg 'feature="dag-cbor"' --cfg 'feature="dag-json"' --cfg 'feature="default"' --cfg 'feature="multibase"' --cfg 'feature="serde"' --cfg 'feature="sp-multihash"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7d2e91b42f62fbe9 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-341c84b1c24e0767.rmeta --extern bytecursor=/opt/rustwide/target/debug/deps/libbytecursor-55e49731a7fb876b.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-eb090e75a9fd7129.rmeta --extern multibase=/opt/rustwide/target/debug/deps/libmultibase-26ef02ce076557f4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2dd2a2d78842b68f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-48804795bda66aa9.rmeta --extern sp_cid=/opt/rustwide/target/debug/deps/libsp_cid-4b66df867eeeba47.rmeta --extern sp_multihash=/opt/rustwide/target/debug/deps/libsp_multihash-853baebd1bbb4c19.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-6c129f0cdbcf5e44.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "557cb8b08570989610bb6c74d9eae5711d948e19ed5f2cc5bd923a103332b0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557cb8b08570989610bb6c74d9eae5711d948e19ed5f2cc5bd923a103332b0ae", kill_on_drop: false }`
[INFO] [stdout] 557cb8b08570989610bb6c74d9eae5711d948e19ed5f2cc5bd923a103332b0ae
