[INFO] cloning repository https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim-brown-wordpress%2Fgeckon-nft-staking-sc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim-brown-wordpress%2Fgeckon-nft-staking-sc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9535d9f34b2fb9615859be45b7497087a9c648d3
[INFO] checking Jim-brown-wordpress/geckon-nft-staking-sc/9535d9f34b2fb9615859be45b7497087a9c648d3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim-brown-wordpress%2Fgeckon-nft-staking-sc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc
[INFO] finished tweaking git repo https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc
[INFO] tweaked toml for git repo https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jim-brown-wordpress/geckon-nft-staking-sc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elrond-wasm-derive v0.31.1
[INFO] [stderr]   Downloaded elrond-codec-derive v0.11.0
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded elrond-wasm v0.31.1
[INFO] [stderr]   Downloaded elrond-codec v0.11.0
[INFO] [stderr]   Downloaded cargo_toml v0.10.3
[INFO] [stderr]   Downloaded elrond-wasm-debug v0.31.1
[INFO] [stderr]   Downloaded mandos v0.13.1
[INFO] [stderr]   Downloaded radix_trie v0.1.6
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ca4fe21ecbfc893f3224f9ab6d7755d63d8d60fdceadbc5c8fa40262dcdd15
[INFO] running `Command { std: "docker" "start" "-a" "06ca4fe21ecbfc893f3224f9ab6d7755d63d8d60fdceadbc5c8fa40262dcdd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ca4fe21ecbfc893f3224f9ab6d7755d63d8d60fdceadbc5c8fa40262dcdd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ca4fe21ecbfc893f3224f9ab6d7755d63d8d60fdceadbc5c8fa40262dcdd15", kill_on_drop: false }`
[INFO] [stdout] 06ca4fe21ecbfc893f3224f9ab6d7755d63d8d60fdceadbc5c8fa40262dcdd15
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f16dca61150d051066ffc324634697797c476e0f0e0db9f5e5cf99b9ebd9b4f5
[INFO] running `Command { std: "docker" "start" "-a" "f16dca61150d051066ffc324634697797c476e0f0e0db9f5e5cf99b9ebd9b4f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f16dca61150d051066ffc324634697797c476e0f0e0db9f5e5cf99b9ebd9b4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16dca61150d051066ffc324634697797c476e0f0e0db9f5e5cf99b9ebd9b4f5", kill_on_drop: false }`
[INFO] [stdout] f16dca61150d051066ffc324634697797c476e0f0e0db9f5e5cf99b9ebd9b4f5