[INFO] fetching crate pallet-merkle 3.0.0...
[INFO] testing pallet-merkle-3.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate pallet-merkle 3.0.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pallet-merkle 3.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 287 packages to latest compatible versions
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding frame-benchmarking v3.1.0 (available: v42.0.0)
[INFO] [stderr]       Adding frame-support v3.0.0 (available: v42.0.0)
[INFO] [stderr]       Adding frame-system v3.0.0 (available: v42.0.0)
[INFO] [stderr]       Adding merlin v2.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding pallet-balances v3.0.0 (available: v43.0.1)
[INFO] [stderr]       Adding parity-scale-codec v2.3.1 (available: v3.7.5)
[INFO] [stderr]       Adding rand_core v0.5.1 (available: v0.9.3)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] [stderr]       Adding sp-core v3.0.0 (available: v38.0.0)
[INFO] [stderr]       Adding sp-io v3.0.0 (available: v42.0.0)
[INFO] [stderr]       Adding sp-runtime v3.0.0 (available: v43.0.0)
[INFO] [stderr]       Adding sp-std v3.0.0 (available: v14.0.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.3
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded bulletproofs-gadgets v2.1.2
[INFO] [stderr]   Downloaded webb-bulletproofs v2.0.3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b58f2cf696bac4046103979ac4e21cf21173931119c0de75125c30ae0fad04d
[INFO] running `Command { std: "docker" "start" "-a" "2b58f2cf696bac4046103979ac4e21cf21173931119c0de75125c30ae0fad04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b58f2cf696bac4046103979ac4e21cf21173931119c0de75125c30ae0fad04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b58f2cf696bac4046103979ac4e21cf21173931119c0de75125c30ae0fad04d", kill_on_drop: false }`
[INFO] [stdout] 2b58f2cf696bac4046103979ac4e21cf21173931119c0de75125c30ae0fad04d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a9db249de3027c6661733b5e180348319a14fc27b702d6311857083abceea1
[INFO] running `Command { std: "docker" "start" "-a" "64a9db249de3027c6661733b5e180348319a14fc27b702d6311857083abceea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sp-std v3.0.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[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-1949cf8c6b5b557f/curve25519-dalek-3.2.0/src/lib.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(feature = "nightly", feature(test))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-1949cf8c6b5b557f/curve25519-dalek-3.2.0/src/lib.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(feature = "nightly", feature(doc_cfg))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling ahash v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr] error: could not compile `curve25519-dalek` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "64a9db249de3027c6661733b5e180348319a14fc27b702d6311857083abceea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a9db249de3027c6661733b5e180348319a14fc27b702d6311857083abceea1", kill_on_drop: false }`
[INFO] [stdout] 64a9db249de3027c6661733b5e180348319a14fc27b702d6311857083abceea1