[INFO] cloning repository https://github.com/SkyzoxRobin/nft-with-attributes-on-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SkyzoxRobin/nft-with-attributes-on-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyzoxRobin%2Fnft-with-attributes-on-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyzoxRobin%2Fnft-with-attributes-on-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 188fcee809e37bb3c3ba9c38d76ba128f7f4378f
[INFO] documenting SkyzoxRobin/nft-with-attributes-on-chain against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyzoxRobin%2Fnft-with-attributes-on-chain" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SkyzoxRobin/nft-with-attributes-on-chain on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SkyzoxRobin/nft-with-attributes-on-chain
[INFO] finished tweaking git repo https://github.com/SkyzoxRobin/nft-with-attributes-on-chain
[INFO] tweaked toml for git repo https://github.com/SkyzoxRobin/nft-with-attributes-on-chain written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SkyzoxRobin/nft-with-attributes-on-chain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_seeder v0.2.3
[INFO] [stderr]   Downloaded mandos v0.12.0
[INFO] [stderr]   Downloaded elrond-codec-derive v0.9.0
[INFO] [stderr]   Downloaded elrond-codec v0.9.0
[INFO] [stderr]   Downloaded elrond-wasm-derive v0.29.3
[INFO] [stderr]   Downloaded elrond-wasm v0.29.3
[INFO] [stderr]   Downloaded elrond-wasm-debug v0.29.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc88e4f3a1f171fd2ade19900f4b70a919131208947fd3466b6a8a143f484e00
[INFO] running `Command { std: "docker" "start" "-a" "fc88e4f3a1f171fd2ade19900f4b70a919131208947fd3466b6a8a143f484e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc88e4f3a1f171fd2ade19900f4b70a919131208947fd3466b6a8a143f484e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc88e4f3a1f171fd2ade19900f4b70a919131208947fd3466b6a8a143f484e00", kill_on_drop: false }`
[INFO] [stdout] fc88e4f3a1f171fd2ade19900f4b70a919131208947fd3466b6a8a143f484e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff071491f72bac9e2c9ede23e0a7b93e168b4e14e20641eaa3a2abc779764e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eff071491f72bac9e2c9ede23e0a7b93e168b4e14e20641eaa3a2abc779764e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking wee_alloc v0.4.5
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling elrond-codec-derive v0.9.0
[INFO] [stderr]    Compiling elrond-wasm-derive v0.29.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/elrond-wasm-derive-0.29.3/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_quote)]
[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 compile `elrond-wasm-derive` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "eff071491f72bac9e2c9ede23e0a7b93e168b4e14e20641eaa3a2abc779764e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff071491f72bac9e2c9ede23e0a7b93e168b4e14e20641eaa3a2abc779764e1", kill_on_drop: false }`
[INFO] [stdout] eff071491f72bac9e2c9ede23e0a7b93e168b4e14e20641eaa3a2abc779764e1