[INFO] cloning repository https://github.com/tendermint/kms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tendermint/kms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftendermint%2Fkms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftendermint%2Fkms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887960023d53ed20c76433500ca497c0857ab449
[INFO] documenting tendermint/kms against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftendermint%2Fkms" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tendermint/kms on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tendermint/kms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abscissa_derive v0.5.0
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded signature_derive v1.0.0-pre.2
[INFO] [stderr]   Downloaded chacha20 v0.3.4
[INFO] [stderr]   Downloaded anomaly v0.2.0
[INFO] [stderr]   Downloaded poly1305 v0.5.2
[INFO] [stderr]   Downloaded prost-amino v0.5.0
[INFO] [stderr]   Downloaded abscissa_core v0.5.2
[INFO] [stderr]   Downloaded prost-amino-derive v0.5.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded signatory-dalek v0.19.0
[INFO] [stderr]   Downloaded k256 v0.1.1
[INFO] [stderr]   Downloaded signatory-secp256k1 v0.19.0
[INFO] [stderr]   Downloaded tai64 v3.1.0
[INFO] [stderr]   Downloaded ecdsa v0.5.0
[INFO] [stderr]   Downloaded elliptic-curve v0.3.0
[INFO] [stderr]   Downloaded signatory v0.19.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.4.1
[INFO] [stderr]   Downloaded harp v0.1.0
[INFO] [stderr]   Downloaded p384 v0.1.0
[INFO] [stderr]   Downloaded p256 v0.1.0
[INFO] [stderr]   Downloaded ledger v0.2.5
[INFO] [stderr]   Downloaded signatory-ledger-tm v0.19.1
[INFO] [stderr]   Downloaded signature v1.0.1
[INFO] [stderr]   Downloaded hkd32 v0.3.1
[INFO] [stderr]   Downloaded yubihsm v0.33.0
[INFO] [stderr]   Downloaded tendermint v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07255868c2f38468a3bdeacb3ae41a1e1e805e9d73700db0c3efbed40f5dc874
[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" "07255868c2f38468a3bdeacb3ae41a1e1e805e9d73700db0c3efbed40f5dc874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07255868c2f38468a3bdeacb3ae41a1e1e805e9d73700db0c3efbed40f5dc874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07255868c2f38468a3bdeacb3ae41a1e1e805e9d73700db0c3efbed40f5dc874", kill_on_drop: false }`
[INFO] [stdout] 07255868c2f38468a3bdeacb3ae41a1e1e805e9d73700db0c3efbed40f5dc874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32af3204238be32fba9412c23ec0f3406cf36acf968619e7cfc9527cd0896573
[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" "32af3204238be32fba9412c23ec0f3406cf36acf968619e7cfc9527cd0896573", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking generational-arena v0.2.7
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking backtrace v0.3.47
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking anomaly v0.2.0
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking prost-amino v0.5.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]    Compiling prost-amino-derive v0.5.0
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking elliptic-curve v0.3.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking chacha20 v0.3.4
[INFO] [stderr]     Checking hkd32 v0.3.1
[INFO] [stderr]     Checking signature v1.0.1
[INFO] [stderr]     Checking k256 v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking chacha20poly1305 v0.4.1
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking ecdsa v0.5.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking signatory v0.19.0
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking signatory-secp256k1 v0.19.0
[INFO] [stderr]     Checking signatory-dalek v0.19.0
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking tai64 v3.1.0
[INFO] [stderr]     Checking tendermint v0.13.0
[INFO] [stderr]     Checking abscissa_core v0.5.2
[INFO] [stderr]  Documenting tmkms v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: please enable one of the following backends with cargo's --features argument: yubihsm, ledgertm, softsign (e.g. --features=yubihsm)
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / compile_error!(
[INFO] [stdout] 9  | |     "please enable one of the following backends with cargo's --features argument: \
[INFO] [stdout] 10 | |      yubihsm, ledgertm, softsign (e.g. --features=yubihsm)"
[INFO] [stdout] 11 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `tmkms`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tmkms src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern abscissa_core=/opt/rustwide/target/debug/deps/libabscissa_core-d1eba73c624ce2b5.rmeta --extern atomicwrites=/opt/rustwide/target/debug/deps/libatomicwrites-2ce39aee3e8d1927.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-698f4871cab58c10.rmeta --extern chacha20poly1305=/opt/rustwide/target/debug/deps/libchacha20poly1305-1057478587110bab.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a36ead16c0a44981.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-0b02a47e00a17f44.rmeta --extern gumdrop=/opt/rustwide/target/debug/deps/libgumdrop-d938c23b0f48a92f.rmeta --extern hkd32=/opt/rustwide/target/debug/deps/libhkd32-db384115ce705615.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-172b50bcf304bc33.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-9533bd7934e3f6b0.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-5ed60f321ecee332.rmeta --extern prost_amino=/opt/rustwide/target/debug/deps/libprost_amino-e25429599e6c8d8b.rmeta --extern prost_amino_derive=/opt/rustwide/target/debug/deps/libprost_amino_derive-2c1f1f8e828efa5a.so --extern rand=/opt/rustwide/target/debug/deps/librand-cf0c1c7e6336564c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f6ff208f35511caf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-58fccc1f5937f9e2.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-bcc3d0ef5464a239.rmeta --extern signatory=/opt/rustwide/target/debug/deps/libsignatory-8c45680f3be006d3.rmeta --extern signatory_dalek=/opt/rustwide/target/debug/deps/libsignatory_dalek-863eb615f06079a0.rmeta --extern signatory_secp256k1=/opt/rustwide/target/debug/deps/libsignatory_secp256k1-3a6e17b58047a8a3.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-faa51d7b34528bf3.rmeta --extern subtle_encoding=/opt/rustwide/target/debug/deps/libsubtle_encoding-c799dee2603ee0dc.rmeta --extern tendermint=/opt/rustwide/target/debug/deps/libtendermint-1e577bffe53dc5a1.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-034a5484b359342c.rmeta --extern wait_timeout=/opt/rustwide/target/debug/deps/libwait_timeout-4e7b9b88d0684959.rmeta --extern x25519_dalek=/opt/rustwide/target/debug/deps/libx25519_dalek-d8ddc12fdc19017f.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-eadf41e5b0807790.rmeta --cap-lints=warn --crate-version 0.7.3` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "32af3204238be32fba9412c23ec0f3406cf36acf968619e7cfc9527cd0896573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32af3204238be32fba9412c23ec0f3406cf36acf968619e7cfc9527cd0896573", kill_on_drop: false }`
[INFO] [stdout] 32af3204238be32fba9412c23ec0f3406cf36acf968619e7cfc9527cd0896573