[INFO] fetching crate tmkms 0.8.0...
[INFO] documenting tmkms-0.8.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate tmkms 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tmkms 0.8.0 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 crates.io crate tmkms 0.8.0
[INFO] finished tweaking crates.io crate tmkms 0.8.0
[INFO] tweaked toml for crates.io crate tmkms 0.8.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tmkms 0.8.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb53575cfcd841680af404efdf4371cd290917148fc6176f08daa59ce47bac86
[INFO] running `Command { std: "docker" "start" "-a" "bb53575cfcd841680af404efdf4371cd290917148fc6176f08daa59ce47bac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb53575cfcd841680af404efdf4371cd290917148fc6176f08daa59ce47bac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb53575cfcd841680af404efdf4371cd290917148fc6176f08daa59ce47bac86", kill_on_drop: false }`
[INFO] [stdout] bb53575cfcd841680af404efdf4371cd290917148fc6176f08daa59ce47bac86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa62bd11f864de8c7248eaea0d597fc03c36367550213ae25ba7199eaa796c7b
[INFO] running `Command { std: "docker" "start" "-a" "fa62bd11f864de8c7248eaea0d597fc03c36367550213ae25ba7199eaa796c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking prost-amino v0.6.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]     Checking anomaly v0.2.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking elliptic-curve v0.4.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking hkd32 v0.4.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking k256 v0.3.0
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking ecdsa v0.6.1
[INFO] [stderr]     Checking signatory v0.20.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking signatory-dalek v0.20.0
[INFO] [stderr]     Checking signatory-secp256k1 v0.20.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking chrono v0.4.12
[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_bytes v0.11.5
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking tai64 v3.1.0
[INFO] [stderr]     Checking tendermint v0.14.1
[INFO] [stderr]     Checking abscissa_core v0.5.2
[INFO] [stderr]  Documenting tmkms v0.8.0 (/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 --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-b3277a89cfa553a4.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-857c4796bfc565cf.rmeta --extern chacha20poly1305=/opt/rustwide/target/debug/deps/libchacha20poly1305-e858dd2a766b39ec.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b7e0272a06d652c4.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-1cbaa1d954cb8328.rmeta --extern gumdrop=/opt/rustwide/target/debug/deps/libgumdrop-76f55f6139ab2fee.rmeta --extern hkd32=/opt/rustwide/target/debug/deps/libhkd32-e2550809d9f6a5ca.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-4921faf17baf37e1.rmeta --extern k256=/opt/rustwide/target/debug/deps/libk256-7e9891bb38fd6644.rmeta --extern merlin=/opt/rustwide/target/debug/deps/libmerlin-d6c4b2002ce03c4a.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-67de5f6a6498d9d2.rmeta --extern prost_amino=/opt/rustwide/target/debug/deps/libprost_amino-f5048e3977ad976b.rmeta --extern prost_amino_derive=/opt/rustwide/target/debug/deps/libprost_amino_derive-e34d574d9d5ed289.so --extern rand=/opt/rustwide/target/debug/deps/librand-d0389cda767bfea1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7109607cf2b19640.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d79a8f4d7984b2d5.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-43a81d1d762171a9.rmeta --extern signatory=/opt/rustwide/target/debug/deps/libsignatory-760a560e52e6172e.rmeta --extern signatory_dalek=/opt/rustwide/target/debug/deps/libsignatory_dalek-e13f6ee43fdaaf5d.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-b660f96d5b04fd07.rmeta --extern subtle_encoding=/opt/rustwide/target/debug/deps/libsubtle_encoding-f27046d4eddda81c.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-33677dbc50a65bf6.rmeta --extern tendermint=/opt/rustwide/target/debug/deps/libtendermint-90c5b71cd4d433d2.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-80f8c5136a54efb4.rmeta --extern wait_timeout=/opt/rustwide/target/debug/deps/libwait_timeout-49e45deb86c356e4.rmeta --extern x25519_dalek=/opt/rustwide/target/debug/deps/libx25519_dalek-e6beb2e29ec9d195.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-3dbaa920b76453de.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "fa62bd11f864de8c7248eaea0d597fc03c36367550213ae25ba7199eaa796c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa62bd11f864de8c7248eaea0d597fc03c36367550213ae25ba7199eaa796c7b", kill_on_drop: false }`
[INFO] [stdout] fa62bd11f864de8c7248eaea0d597fc03c36367550213ae25ba7199eaa796c7b