[INFO] updating cached repository pepyakin/substrate-contracts-adder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pepyakin/substrate-contracts-adder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pepyakin/substrate-contracts-adder" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/pepyakin/substrate-contracts-adder"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/pepyakin/substrate-contracts-adder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pepyakin/substrate-contracts-adder" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/pepyakin/substrate-contracts-adder"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/pepyakin/substrate-contracts-adder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aff33bdf9e0515f319dafe5cca09651d3f98294
[INFO] sha for GitHub repo pepyakin/substrate-contracts-adder: 7aff33bdf9e0515f319dafe5cca09651d3f98294
[INFO] validating manifest of pepyakin/substrate-contracts-adder on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pepyakin/substrate-contracts-adder on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pepyakin/substrate-contracts-adder
[INFO] finished frobbing pepyakin/substrate-contracts-adder
[INFO] frobbed toml for pepyakin/substrate-contracts-adder written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/pepyakin/substrate-contracts-adder/Cargo.toml
[INFO] started frobbing pepyakin/substrate-contracts-adder
[INFO] finished frobbing pepyakin/substrate-contracts-adder
[INFO] frobbed toml for pepyakin/substrate-contracts-adder written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/pepyakin/substrate-contracts-adder/Cargo.toml
[INFO] crate pepyakin/substrate-contracts-adder has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pepyakin/substrate-contracts-adder against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-1/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/pepyakin/substrate-contracts-adder:/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c7a56f8361d8b69758b0802b084b29e34da77bc571058b582068b82c107fbfa
[INFO] running `"docker" "start" "-a" "3c7a56f8361d8b69758b0802b084b29e34da77bc571058b582068b82c107fbfa"`
[INFO] [stderr]    Compiling wee_alloc v0.4.2
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking parity-codec v2.0.3
[INFO] [stderr]    Compiling parity-codec-derive v2.0.4
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-codec-2.0.3/src/lib.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `parity-codec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-codec-derive-2.0.4/src/lib.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![cfg_attr(not(feature = "std"), feature(core_intrinsics))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-codec-derive-2.0.4/src/lib.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `parity-codec-derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3c7a56f8361d8b69758b0802b084b29e34da77bc571058b582068b82c107fbfa"`
[INFO] running `"docker" "rm" "-f" "3c7a56f8361d8b69758b0802b084b29e34da77bc571058b582068b82c107fbfa"`
[INFO] [stdout] 3c7a56f8361d8b69758b0802b084b29e34da77bc571058b582068b82c107fbfa