[INFO] cloning repository https://github.com/ashuralyk/ckb-nft-wallet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashuralyk/ckb-nft-wallet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashuralyk%2Fckb-nft-wallet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashuralyk%2Fckb-nft-wallet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69d49e248f48dd308107d5dd6d383773dd5d3dc3
[INFO] documenting ashuralyk/ckb-nft-wallet against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashuralyk%2Fckb-nft-wallet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashuralyk/ckb-nft-wallet on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ashuralyk/ckb-nft-wallet
[INFO] finished tweaking git repo https://github.com/ashuralyk/ckb-nft-wallet
[INFO] tweaked toml for git repo https://github.com/ashuralyk/ckb-nft-wallet written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ashuralyk/ckb-nft-wallet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faa062a4b244f62418cd14433a56b1d212a41c17c1c87cff72f1c9b8beec7f65
[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" "faa062a4b244f62418cd14433a56b1d212a41c17c1c87cff72f1c9b8beec7f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faa062a4b244f62418cd14433a56b1d212a41c17c1c87cff72f1c9b8beec7f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa062a4b244f62418cd14433a56b1d212a41c17c1c87cff72f1c9b8beec7f65", kill_on_drop: false }`
[INFO] [stdout] faa062a4b244f62418cd14433a56b1d212a41c17c1c87cff72f1c9b8beec7f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 982e08b26f6f35495c3fd3dfdbaeb39039ef8dffe08640cb3d7d4870c183e67b
[INFO] running `Command { std: "docker" "start" "-a" "982e08b26f6f35495c3fd3dfdbaeb39039ef8dffe08640cb3d7d4870c183e67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking ckb-build-info v0.37.0
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.3
[INFO] [stderr]    Compiling ckb-script v0.37.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]     Checking buddy-alloc v0.4.1
[INFO] [stderr]     Checking ckb-always-success-script v0.0.1
[INFO] [stderr]     Checking merkle-cbt v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking mapr v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]     Checking ckb-logger v0.37.0
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[INFO] [stderr]     Checking ckb-channel v0.37.0
[INFO] [stderr]    Compiling im v12.3.4
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[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling enum-display-derive v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking tokio-io v0.1.13
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[INFO] [stderr]     Checking string v0.2.1
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[INFO] [stderr]    Compiling includedir v0.5.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.37.0
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[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
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[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]     Checking scroll v0.10.2
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[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking molecule v0.6.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tentacle-multiaddr v0.1.0
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[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking debugid v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
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[INFO] [stderr]     Checking ckb-standalone-types v0.0.1-pre.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking sentry-types v0.11.0
[INFO] [stderr]     Checking ckb-util v0.37.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.37.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.37.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking ckb-occupied-capacity v0.37.0
[INFO] [stderr]    Compiling ckb-error v0.37.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking ckb-async-runtime v0.37.0
[INFO] [stderr]     Checking ckb-fixed-hash v0.37.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]    Compiling ckb-vm v0.19.3
[INFO] [stderr]    Compiling blake2b-rs v0.2.0
[INFO] [stderr]    Compiling ckb-std v0.7.3
[INFO] [stderr]    Compiling ckb-x64-simulator v0.4.0
[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/ckb-std-0.7.3/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(llvm_asm)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ownerlock v0.1.0 (/opt/rustwide/workdir/contracts/ownerlock)
[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 `ckb-std`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "982e08b26f6f35495c3fd3dfdbaeb39039ef8dffe08640cb3d7d4870c183e67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982e08b26f6f35495c3fd3dfdbaeb39039ef8dffe08640cb3d7d4870c183e67b", kill_on_drop: false }`
[INFO] [stdout] 982e08b26f6f35495c3fd3dfdbaeb39039ef8dffe08640cb3d7d4870c183e67b
