[INFO] updating cached repository rink1969/rust-ckb-contract
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rink1969/rust-ckb-contract
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rink1969/rust-ckb-contract" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rink1969/rust-ckb-contract"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rink1969/rust-ckb-contract'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rink1969/rust-ckb-contract" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rink1969/rust-ckb-contract"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rink1969/rust-ckb-contract'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bec794f8780c69d431299f1169fc8d701e3e34d6
[INFO] sha for GitHub repo rink1969/rust-ckb-contract: bec794f8780c69d431299f1169fc8d701e3e34d6
[INFO] validating manifest of rink1969/rust-ckb-contract on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rink1969/rust-ckb-contract on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rink1969/rust-ckb-contract
[INFO] finished frobbing rink1969/rust-ckb-contract
[INFO] frobbed toml for rink1969/rust-ckb-contract written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rink1969/rust-ckb-contract/Cargo.toml
[INFO] started frobbing rink1969/rust-ckb-contract
[INFO] finished frobbing rink1969/rust-ckb-contract
[INFO] frobbed toml for rink1969/rust-ckb-contract written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rink1969/rust-ckb-contract/Cargo.toml
[INFO] crate rink1969/rust-ckb-contract already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rink1969/rust-ckb-contract against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rink1969/rust-ckb-contract:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] adb9626e22188237bfbd9f8a302b08b208be9ded795290bfebe9ee5993d4d608
[INFO] running `"docker" "start" "-a" "adb9626e22188237bfbd9f8a302b08b208be9ded795290bfebe9ee5993d4d608"`
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking typenum v1.10.0
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/cesarb/blake2-rfc#dc5485cc)
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/main.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 84 | |     exit(-1);
[INFO] [stderr] 85 | |     loop {}
[INFO] [stderr] 86 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: Could not compile `demo`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "adb9626e22188237bfbd9f8a302b08b208be9ded795290bfebe9ee5993d4d608"`
[INFO] running `"docker" "rm" "-f" "adb9626e22188237bfbd9f8a302b08b208be9ded795290bfebe9ee5993d4d608"`
[INFO] [stdout] adb9626e22188237bfbd9f8a302b08b208be9ded795290bfebe9ee5993d4d608