[INFO] fetching crate ontio-derive-codec 0.2.0...
[INFO] testing ontio-derive-codec-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ontio-derive-codec 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ontio-derive-codec 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ontio-derive-codec 0.2.0
[INFO] finished tweaking crates.io crate ontio-derive-codec 0.2.0
[INFO] tweaked toml for crates.io crate ontio-derive-codec 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d3a909677846244d43ee3a973ec2da7973aaa47ba0ace33796cdcfee1b236c
[INFO] running `Command { std: "docker" "start" "-a" "57d3a909677846244d43ee3a973ec2da7973aaa47ba0ace33796cdcfee1b236c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d3a909677846244d43ee3a973ec2da7973aaa47ba0ace33796cdcfee1b236c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d3a909677846244d43ee3a973ec2da7973aaa47ba0ace33796cdcfee1b236c", kill_on_drop: false }`
[INFO] [stdout] 57d3a909677846244d43ee3a973ec2da7973aaa47ba0ace33796cdcfee1b236c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96a75d3370714605b38269f749b2e69dc4c84a6838db90ae7051a9ef0185e10
[INFO] running `Command { std: "docker" "start" "-a" "e96a75d3370714605b38269f749b2e69dc4c84a6838db90ae7051a9ef0185e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ontio-derive-codec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_hygiene)]
[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 `ontio-derive-codec` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e96a75d3370714605b38269f749b2e69dc4c84a6838db90ae7051a9ef0185e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96a75d3370714605b38269f749b2e69dc4c84a6838db90ae7051a9ef0185e10", kill_on_drop: false }`
[INFO] [stdout] e96a75d3370714605b38269f749b2e69dc4c84a6838db90ae7051a9ef0185e10