[INFO] fetching crate elrond-sdk-erdrs 0.2.16...
[INFO] checking elrond-sdk-erdrs-0.2.16 against 1.95.0 for pr-155915
[INFO] extracting crate elrond-sdk-erdrs 0.2.16 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate elrond-sdk-erdrs 0.2.16
[INFO] finished tweaking crates.io crate elrond-sdk-erdrs 0.2.16
[INFO] tweaked toml for crates.io crate elrond-sdk-erdrs 0.2.16 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate elrond-sdk-erdrs 0.2.16 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 238 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bech32 v0.8.1 (available: v0.11.1)
[INFO] [stderr]       Adding ed25519 v1.5.3 (available: v3.0.0)
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.13.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding pbkdf2 v0.9.0 (available: v0.13.0)
[INFO] [stderr]       Adding pem v1.1.1 (available: v3.0.6)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.3)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.11.0)
[INFO] [stderr]       Adding sha3 v0.9.1 (available: v0.11.0)
[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" "+1.95.0" "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 elrond-codec v0.16.0
[INFO] [stderr]   Downloaded bech32 v0.8.1
[INFO] [stderr]   Downloaded pbkdf2 v0.9.0
[INFO] [stderr]   Downloaded bip39 v2.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded elrond-codec-derive v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5baad61caea5be441d6260ed25a73cfe4ea7a9018a0c8b36b2dae5282c426678
[INFO] running `Command { std: "docker" "start" "-a" "5baad61caea5be441d6260ed25a73cfe4ea7a9018a0c8b36b2dae5282c426678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5baad61caea5be441d6260ed25a73cfe4ea7a9018a0c8b36b2dae5282c426678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5baad61caea5be441d6260ed25a73cfe4ea7a9018a0c8b36b2dae5282c426678", kill_on_drop: false }`
[INFO] [stdout] 5baad61caea5be441d6260ed25a73cfe4ea7a9018a0c8b36b2dae5282c426678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ca449d0a9e6e17827609aa8590ef4a804c473f01b9aa80dcb9bc04b05bc91e
[INFO] running `Command { std: "docker" "start" "-a" "01ca449d0a9e6e17827609aa8590ef4a804c473f01b9aa80dcb9bc04b05bc91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking hex-conservative v0.2.2
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking elrond-codec v0.16.0
[INFO] [stderr]     Checking bitcoin_hashes v0.14.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[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/elrond-codec-0.16.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait_v2)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking pbkdf2 v0.9.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elrond-codec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "01ca449d0a9e6e17827609aa8590ef4a804c473f01b9aa80dcb9bc04b05bc91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ca449d0a9e6e17827609aa8590ef4a804c473f01b9aa80dcb9bc04b05bc91e", kill_on_drop: false }`
[INFO] [stdout] 01ca449d0a9e6e17827609aa8590ef4a804c473f01b9aa80dcb9bc04b05bc91e