[INFO] cloning repository https://github.com/lostpg/ckb-carrot-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lostpg/ckb-carrot-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flostpg%2Fckb-carrot-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flostpg%2Fckb-carrot-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29256ed669a6018eaa3727df4c5323deda99bf35
[INFO] documenting lostpg/ckb-carrot-contract against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flostpg%2Fckb-carrot-contract" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lostpg/ckb-carrot-contract on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-28/source/.cargo/config
[INFO] removed /workspace/builds/worker-28/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lostpg/ckb-carrot-contract
[INFO] finished tweaking git repo https://github.com/lostpg/ckb-carrot-contract
[INFO] tweaked toml for git repo https://github.com/lostpg/ckb-carrot-contract written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/lostpg/ckb-carrot-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5467d7a704917b0ce2a38415cd45c7d3aaa8e23664ddd7949adb680bd210788e
[INFO] running `Command { std: "docker" "start" "-a" "5467d7a704917b0ce2a38415cd45c7d3aaa8e23664ddd7949adb680bd210788e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5467d7a704917b0ce2a38415cd45c7d3aaa8e23664ddd7949adb680bd210788e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5467d7a704917b0ce2a38415cd45c7d3aaa8e23664ddd7949adb680bd210788e", kill_on_drop: false }`
[INFO] [stdout] 5467d7a704917b0ce2a38415cd45c7d3aaa8e23664ddd7949adb680bd210788e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030a12a9793da729d61964a56654d231c407db75575b21adfa8105368faf76bf
[INFO] running `Command { std: "docker" "start" "-a" "030a12a9793da729d61964a56654d231c407db75575b21adfa8105368faf76bf", kill_on_drop: false }`
[INFO] [stderr]     Checking buddy-alloc v0.2.0
[INFO] [stderr]     Checking ckb-std v0.1.6
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ckb-std-0.1.6/src/syscalls.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         asm!("ecall" : "+r"(a0):"r"(a1) "r"(a2) "r"(a3) "r"(a4) "r"(a5) "r"(a6) "r"(syscall_num)::"volatile");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ckb-std-0.1.6/src/syscalls.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         asm!("fence" :::"memory":"volatile");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ckb-std-0.1.6/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ckb-std` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "030a12a9793da729d61964a56654d231c407db75575b21adfa8105368faf76bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030a12a9793da729d61964a56654d231c407db75575b21adfa8105368faf76bf", kill_on_drop: false }`
[INFO] [stdout] 030a12a9793da729d61964a56654d231c407db75575b21adfa8105368faf76bf