[INFO] crate ckb-contract-std 0.1.5 is already in cache
[INFO] testing ckb-contract-std-0.1.5 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ckb-contract-std 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ckb-contract-std 0.1.5 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/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 `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 2dfe4ac5ff7e49910287d94b61fef904883c23ed052fed6a1c67dbfc87bd1479
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2dfe4ac5ff7e49910287d94b61fef904883c23ed052fed6a1c67dbfc87bd1479"`
[INFO] [stderr]    Compiling buddy-alloc v0.2.0
[INFO] [stderr]    Compiling ckb-contract-std v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: <inline asm>:1:2: error: invalid instruction mnemonic 'ecall'
[INFO] [stderr]         ecall
[INFO] [stderr]         ^~~~~
[INFO] [stderr] 
[INFO] [stderr]   --> src/syscalls.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         asm!("ecall" : "+r"(a0):"r"(a1) "r"(a2) "r"(a3) "r"(a4) "r"(a5) "r"(a6) "r"(syscall_num)::"volatile");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: <inline asm>:1:2: error: invalid instruction mnemonic 'fence'
[INFO] [stderr]         fence
[INFO] [stderr]         ^~~~~
[INFO] [stderr] 
[INFO] [stderr]   --> src/syscalls.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         asm!("fence" :::"memory":"volatile");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ckb-contract-std`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2dfe4ac5ff7e49910287d94b61fef904883c23ed052fed6a1c67dbfc87bd1479"`
[INFO] running `"docker" "rm" "-f" "2dfe4ac5ff7e49910287d94b61fef904883c23ed052fed6a1c67dbfc87bd1479"`
[INFO] [stdout] 2dfe4ac5ff7e49910287d94b61fef904883c23ed052fed6a1c67dbfc87bd1479