[INFO] updating cached repository https://github.com/tendermint/kms
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 849f3ee24d02ab4dff669ee18695cc8dd32b93b2
[INFO] checking tendermint/kms against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftendermint%2Fkms" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tendermint/kms on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tendermint/kms
[INFO] finished tweaking git repo https://github.com/tendermint/kms
[INFO] tweaked toml for git repo https://github.com/tendermint/kms written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tendermint/kms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a764c1069bf8303ec4aefa106d2568782b37fd93c68ded8bf996dc4b93632b09
[INFO] running `"docker" "start" "-a" "a764c1069bf8303ec4aefa106d2568782b37fd93c68ded8bf996dc4b93632b09"`
[INFO] [stderr]     Checking signature v0.2.0
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aead v0.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking toml v0.5.4
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking poly1305 v0.5.1
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking hkdf v0.7.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking prost-amino v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking zeroize v1.0.0
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]     Checking secrecy v0.4.1
[INFO] [stderr]     Checking hkd32 v0.3.1
[INFO] [stderr]     Checking subtle-encoding v0.3.7
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking ecdsa v0.1.0
[INFO] [stderr]     Checking tai64 v2.0.1
[INFO] [stderr]     Checking chacha20 v0.2.3
[INFO] [stderr]     Checking signatory v0.16.0
[INFO] [stderr]     Checking signatory v0.12.0
[INFO] [stderr]     Checking chacha20poly1305 v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking signatory-secp256k1 v0.16.0
[INFO] [stderr]    Compiling darling_macro v0.10.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]    Compiling prost-amino-derive v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking signatory-dalek v0.16.0
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]    Compiling darling v0.10.1
[INFO] [stderr]     Checking tiny-bip39 v0.6.2
[INFO] [stderr]    Compiling abscissa_derive v0.4.0
[INFO] [stderr]     Checking tendermint v0.10.1
[INFO] [stderr]     Checking abscissa_core v0.4.0
[INFO] [stderr]     Checking tmkms v0.7.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr] error: please enable one of the following backends with cargo's --features argument: yubihsm, ledgertm, softsign (e.g. --features=yubihsm)
[INFO] [stderr]   --> src/lib.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / compile_error!(
[INFO] [stderr] 9  | |     "please enable one of the following backends with cargo's --features argument: \
[INFO] [stderr] 10 | |      yubihsm, ledgertm, softsign (e.g. --features=yubihsm)"
[INFO] [stderr] 11 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> src/rpc.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn compute_prefix(name: &str) -> (Vec<u8>) {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings, missing_docs, unused_qualifications)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: please enable one of the following backends with cargo's --features argument: yubihsm, ledgertm, softsign (e.g. --features=yubihsm)
[INFO] [stderr]   --> src/lib.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / compile_error!(
[INFO] [stderr] 9  | |     "please enable one of the following backends with cargo's --features argument: \
[INFO] [stderr] 10 | |      yubihsm, ledgertm, softsign (e.g. --features=yubihsm)"
[INFO] [stderr] 11 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> src/rpc.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn compute_prefix(name: &str) -> (Vec<u8>) {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings, missing_docs, unused_qualifications)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tmkms`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tmkms`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a764c1069bf8303ec4aefa106d2568782b37fd93c68ded8bf996dc4b93632b09"`
[INFO] running `"docker" "rm" "-f" "a764c1069bf8303ec4aefa106d2568782b37fd93c68ded8bf996dc4b93632b09"`
[INFO] [stdout] a764c1069bf8303ec4aefa106d2568782b37fd93c68ded8bf996dc4b93632b09