[INFO] fetching crate tmkms 0.10.1...
[INFO] documenting tmkms-0.10.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate tmkms 0.10.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tmkms 0.10.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tmkms 0.10.1
[INFO] finished tweaking crates.io crate tmkms 0.10.1
[INFO] tweaked toml for crates.io crate tmkms 0.10.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tmkms 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e03d9eada33862a3791e86b1b22b19bcac5e58818cf5da482ef8ea78300ecbea
[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" "e03d9eada33862a3791e86b1b22b19bcac5e58818cf5da482ef8ea78300ecbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e03d9eada33862a3791e86b1b22b19bcac5e58818cf5da482ef8ea78300ecbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03d9eada33862a3791e86b1b22b19bcac5e58818cf5da482ef8ea78300ecbea", kill_on_drop: false }`
[INFO] [stdout] e03d9eada33862a3791e86b1b22b19bcac5e58818cf5da482ef8ea78300ecbea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a73915ec73e4031506113557623b6732ee16ea33fd16053d7e442b5f0de67690
[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" "a73915ec73e4031506113557623b6732ee16ea33fd16053d7e442b5f0de67690", kill_on_drop: false }`
[INFO] [stderr]     Checking const-oid v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking fs-err v2.5.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking prost-amino v0.6.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking der v0.1.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pkcs8 v0.3.3
[INFO] [stderr]     Checking anomaly v0.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking elliptic-curve v0.8.5
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking chacha20 v0.6.0
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking hkd32 v0.5.0
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking chacha20poly1305 v0.7.1
[INFO] [stderr]     Checking ecdsa v0.10.2
[INFO] [stderr]     Checking prost-types v0.7.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking k256 v0.7.3
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking tendermint-proto v0.19.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking abscissa_core v0.6.0-pre.1
[INFO] [stderr]     Checking tendermint v0.19.0
[INFO] [stderr]     Checking tendermint-p2p v0.19.0
[INFO] [stderr]  Documenting tmkms v0.10.1 (/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:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / compile_error!(
[INFO] [stdout] 8  | |     "please enable one of the following backends with cargo's --features argument: \
[INFO] [stdout] 9  | |      yubihsm, ledgertm, softsign (e.g. --features=yubihsm)"
[INFO] [stdout] 10 | | );
[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 --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-381d73486a5893ea.rmeta --extern bytes_v0_5=/opt/rustwide/target/debug/deps/libbytes-5a69d67e5415873b.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-7b9084f8ae89ce82.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4453eec09dc7fc05.rmeta --extern ed25519_dalek=/opt/rustwide/target/debug/deps/libed25519_dalek-176222714aaa2e3e.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-5e7fa83765e0aac4.rmeta --extern gumdrop=/opt/rustwide/target/debug/deps/libgumdrop-30197de0df9d7335.rmeta --extern hkd32=/opt/rustwide/target/debug/deps/libhkd32-ead72a4df9666ec3.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-fddc26f1783fc1a5.rmeta --extern k256=/opt/rustwide/target/debug/deps/libk256-9f78fa4ac5a4e3a5.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2b26e8ca876f44b4.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-561334e58202dfae.rmeta --extern prost_amino=/opt/rustwide/target/debug/deps/libprost_amino-e3854edd56842ed7.rmeta --extern prost_amino_derive=/opt/rustwide/target/debug/deps/libprost_amino_derive-99b2eb1286545682.so --extern prost_derive=/opt/rustwide/target/debug/deps/libprost_derive-d39d3d8565d8ac00.so --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-53c4a1c65bdeeb78.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-428bac75d165e4fa.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5d991d8f8f09e0a3.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-6641c0d6de7dc598.rmeta --extern signature=/opt/rustwide/target/debug/deps/libsignature-084a0212867bfbd6.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-b13b73d8f24e0572.rmeta --extern subtle_encoding=/opt/rustwide/target/debug/deps/libsubtle_encoding-6f17929d4b39cfcf.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-189822ae6710191e.rmeta --extern tendermint=/opt/rustwide/target/debug/deps/libtendermint-b8b5a468dc38e456.rmeta --extern tendermint_p2p=/opt/rustwide/target/debug/deps/libtendermint_p2p-de2766dc1baac5de.rmeta --extern tendermint_proto=/opt/rustwide/target/debug/deps/libtendermint_proto-9a257b8132084d0d.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ba338b5466e747ad.rmeta --extern wait_timeout=/opt/rustwide/target/debug/deps/libwait_timeout-68fbc43de67e4cff.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-8a120443c71c61e6.rmeta --cap-lints=warn --crate-version 0.10.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a73915ec73e4031506113557623b6732ee16ea33fd16053d7e442b5f0de67690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73915ec73e4031506113557623b6732ee16ea33fd16053d7e442b5f0de67690", kill_on_drop: false }`
[INFO] [stdout] a73915ec73e4031506113557623b6732ee16ea33fd16053d7e442b5f0de67690
