[INFO] fetching crate pallet-merkle 3.0.0...
[INFO] documenting pallet-merkle-3.0.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate pallet-merkle 3.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate pallet-merkle 3.0.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-merkle 3.0.0
[INFO] finished tweaking crates.io crate pallet-merkle 3.0.0
[INFO] tweaked toml for crates.io crate pallet-merkle 3.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v3.0.0
[INFO] [stderr]   Downloaded pallet-balances v3.0.0
[INFO] [stderr]   Downloaded sp-staking v3.0.0
[INFO] [stderr]   Downloaded frame-support-procedural-tools v3.0.0
[INFO] [stderr]   Downloaded sp-version v3.0.0
[INFO] [stderr]   Downloaded sp-tracing v3.0.0
[INFO] [stderr]   Downloaded sp-application-crypto v3.0.0
[INFO] [stderr]   Downloaded sp-api-proc-macro v3.0.0
[INFO] [stderr]   Downloaded wasmi-validation v0.3.0
[INFO] [stderr]   Downloaded sp-panic-handler v3.0.0
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
[INFO] [stderr]   Downloaded sp-keystore v0.9.0
[INFO] [stderr]   Downloaded sp-storage v3.0.0
[INFO] [stderr]   Downloaded sp-debug-derive v3.0.0
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded sp-externalities v0.9.0
[INFO] [stderr]   Downloaded sp-trie v3.0.0
[INFO] [stderr]   Downloaded sp-runtime v3.0.0
[INFO] [stderr]   Downloaded bulletproofs-gadgets v2.1.2
[INFO] [stderr]   Downloaded webb-bulletproofs v2.0.3
[INFO] [stderr]   Downloaded wasmi v0.6.2
[INFO] [stderr]   Downloaded frame-support-procedural v3.0.0
[INFO] [stderr]   Downloaded frame-system v3.0.0
[INFO] [stderr]   Downloaded sp-state-machine v0.9.0
[INFO] [stderr]   Downloaded sp-core v3.0.0
[INFO] [stderr]   Downloaded parity-util-mem v0.9.0
[INFO] [stderr]   Downloaded parity-wasm v0.41.0
[INFO] [stderr]   Downloaded sp-runtime-interface v3.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.3
[INFO] [stderr]   Downloaded sp-api v3.0.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded sp-wasm-interface v3.0.0
[INFO] [stderr]   Downloaded sp-inherents v3.0.0
[INFO] [stderr]   Downloaded sp-io v3.0.0
[INFO] [stderr]   Downloaded primitive-types v0.9.1
[INFO] [stderr]   Downloaded frame-benchmarking v3.1.0
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded frame-metadata v13.0.0
[INFO] [stderr]   Downloaded frame-support v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f493e0dc27782f8085c1a906dcdad2bdcf080672a76431ae3cbf4bd32bf56d9b
[INFO] running `Command { std: "docker" "start" "-a" "f493e0dc27782f8085c1a906dcdad2bdcf080672a76431ae3cbf4bd32bf56d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f493e0dc27782f8085c1a906dcdad2bdcf080672a76431ae3cbf4bd32bf56d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f493e0dc27782f8085c1a906dcdad2bdcf080672a76431ae3cbf4bd32bf56d9b", kill_on_drop: false }`
[INFO] [stdout] f493e0dc27782f8085c1a906dcdad2bdcf080672a76431ae3cbf4bd32bf56d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9249069be6bb76c3e44f79400f53f2bc25cd4d43ae1d5c6c9f0914716c7fabba
[INFO] running `Command { std: "docker" "start" "-a" "9249069be6bb76c3e44f79400f53f2bc25cd4d43ae1d5c6c9f0914716c7fabba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.22
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking ahash v0.4.8
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking ref-cast v1.0.22
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking tiny-bip39 v0.8.2
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking sp-std v2.0.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/clear_on_drop-0.2.5/src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(min_specialization))]
[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 compile `clear_on_drop` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9249069be6bb76c3e44f79400f53f2bc25cd4d43ae1d5c6c9f0914716c7fabba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9249069be6bb76c3e44f79400f53f2bc25cd4d43ae1d5c6c9f0914716c7fabba", kill_on_drop: false }`
[INFO] [stdout] 9249069be6bb76c3e44f79400f53f2bc25cd4d43ae1d5c6c9f0914716c7fabba
