[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 1.46.0 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-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tendermint/kms on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-7/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07ff26261a807766cfe79a6379d6afe55aaa53f28bfc3c39415ea0fd4c1618fc
[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" "07ff26261a807766cfe79a6379d6afe55aaa53f28bfc3c39415ea0fd4c1618fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ff26261a807766cfe79a6379d6afe55aaa53f28bfc3c39415ea0fd4c1618fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ff26261a807766cfe79a6379d6afe55aaa53f28bfc3c39415ea0fd4c1618fc", kill_on_drop: false }`
[INFO] [stdout] 07ff26261a807766cfe79a6379d6afe55aaa53f28bfc3c39415ea0fd4c1618fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab60a3a5eb4c749ba8525a59a0b4fc83cc559ff3c3c454ec533f99c240998501
[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" "ab60a3a5eb4c749ba8525a59a0b4fc83cc559ff3c3c454ec533f99c240998501", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[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]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking generational-arena v0.2.7
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking prost-amino v0.5.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking backtrace v0.3.47
[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 ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling prost-amino-derive v0.5.0
[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 gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking signature v1.0.1
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[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 k256 v0.1.1
[INFO] [stderr]     Checking chacha20poly1305 v0.4.1
[INFO] [stderr]     Checking ecdsa v0.5.0
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking signatory v0.19.0
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking signatory-secp256k1 v0.19.0
[INFO] [stderr]     Checking signatory-dalek v0.19.0
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[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 secrecy v0.6.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tai64 v3.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking abscissa_core v0.5.2
[INFO] [stderr]     Checking tendermint v0.13.0
[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-59971e2a4538605e.rmeta --extern atomicwrites=/opt/rustwide/target/debug/deps/libatomicwrites-d2cf9c5fcb6141e4.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-be87a6d7a821f35e.rmeta --extern chacha20poly1305=/opt/rustwide/target/debug/deps/libchacha20poly1305-6cad659c34f00f66.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f99a3515bc126cbe.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-f9ac0b4838be3570.rmeta --extern gumdrop=/opt/rustwide/target/debug/deps/libgumdrop-7e7d06512cb22ec6.rmeta --extern hkd32=/opt/rustwide/target/debug/deps/libhkd32-00a7d443a528a7b7.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-13cf69c7eb25244f.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-f5b0123a4af903e0.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-73595990842a8ae4.rmeta --extern prost_amino=/opt/rustwide/target/debug/deps/libprost_amino-d54ec70d6a2293df.rmeta --extern prost_amino_derive=/opt/rustwide/target/debug/deps/libprost_amino_derive-fc6db8a1522fbc7e.so --extern rand=/opt/rustwide/target/debug/deps/librand-d20276609ad8c687.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-37ffd62138c18c41.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-98b87e17fa94f0b2.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-10af5578ab123347.rmeta --extern signatory=/opt/rustwide/target/debug/deps/libsignatory-979cff859ecaab49.rmeta --extern signatory_dalek=/opt/rustwide/target/debug/deps/libsignatory_dalek-1b75b68fcb61d449.rmeta --extern signatory_secp256k1=/opt/rustwide/target/debug/deps/libsignatory_secp256k1-b6b39df775183872.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-f6ed27193821f37a.rmeta --extern subtle_encoding=/opt/rustwide/target/debug/deps/libsubtle_encoding-30fceab94d9936a4.rmeta --extern tendermint=/opt/rustwide/target/debug/deps/libtendermint-c58c9b1ed57c4185.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ad84e3c4d84e5120.rmeta --extern wait_timeout=/opt/rustwide/target/debug/deps/libwait_timeout-aa8e31c2bdec2ca8.rmeta --extern x25519_dalek=/opt/rustwide/target/debug/deps/libx25519_dalek-1f4dc6d9faec3936.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-b998c283aa3c8bf2.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ab60a3a5eb4c749ba8525a59a0b4fc83cc559ff3c3c454ec533f99c240998501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab60a3a5eb4c749ba8525a59a0b4fc83cc559ff3c3c454ec533f99c240998501", kill_on_drop: false }`
[INFO] [stdout] ab60a3a5eb4c749ba8525a59a0b4fc83cc559ff3c3c454ec533f99c240998501