[INFO] fetching crate ckb-contract-std 0.1.5...
[INFO] testing ckb-contract-std-0.1.5 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate ckb-contract-std 0.1.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ckb-contract-std 0.1.5 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-contract-std 0.1.5
[INFO] finished tweaking crates.io crate ckb-contract-std 0.1.5
[INFO] tweaked toml for crates.io crate ckb-contract-std 0.1.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ckb-contract-std 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d655e0add1dfbf0e33f2bca5d57c9dbc171f6a210c5922ae98f9935eb0618cd
[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" "8d655e0add1dfbf0e33f2bca5d57c9dbc171f6a210c5922ae98f9935eb0618cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d655e0add1dfbf0e33f2bca5d57c9dbc171f6a210c5922ae98f9935eb0618cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d655e0add1dfbf0e33f2bca5d57c9dbc171f6a210c5922ae98f9935eb0618cd", kill_on_drop: false }`
[INFO] [stdout] 8d655e0add1dfbf0e33f2bca5d57c9dbc171f6a210c5922ae98f9935eb0618cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] 7fb9fef9352d82dbb50588e1fe6f421e8f31bf93c4e8768ec126b563d83c7c3f
[INFO] running `Command { std: "docker" "start" "-a" "7fb9fef9352d82dbb50588e1fe6f421e8f31bf93c4e8768ec126b563d83c7c3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling buddy-alloc v0.2.0
[INFO] [stderr]    Compiling ckb-contract-std v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> 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]    |         help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         asm!("fence" :::"memory":"volatile");
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ckb-contract-std`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7fb9fef9352d82dbb50588e1fe6f421e8f31bf93c4e8768ec126b563d83c7c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb9fef9352d82dbb50588e1fe6f421e8f31bf93c4e8768ec126b563d83c7c3f", kill_on_drop: false }`
[INFO] [stdout] 7fb9fef9352d82dbb50588e1fe6f421e8f31bf93c4e8768ec126b563d83c7c3f