[INFO] fetching crate tmkms 0.8.0...
[INFO] documenting tmkms-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tmkms 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tmkms 0.8.0 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 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-2/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" "+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 cpuid-bool v0.1.0
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.4
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded tracing v0.1.15
[INFO] [stderr]   Downloaded addr2line v0.12.2
[INFO] [stderr]   Downloaded anomaly v0.2.0
[INFO] [stderr]   Downloaded rust_decimal v1.6.0
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded abscissa_derive v0.5.0
[INFO] [stderr]   Downloaded stdtx v0.2.1
[INFO] [stderr]   Downloaded aes v0.4.0
[INFO] [stderr]   Downloaded prost-amino-derive v0.6.1
[INFO] [stderr]   Downloaded stream-cipher v0.4.1
[INFO] [stderr]   Downloaded chacha20poly1305 v0.5.1
[INFO] [stderr]   Downloaded async-tungstenite v0.5.0
[INFO] [stderr]   Downloaded tai64 v3.1.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded block-cipher v0.7.1
[INFO] [stderr]   Downloaded dbl v0.3.0
[INFO] [stderr]   Downloaded cmac v0.3.0
[INFO] [stderr]   Downloaded pbkdf2 v0.4.0
[INFO] [stderr]   Downloaded signatory v0.20.0
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded signature v1.1.0
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] [stderr]   Downloaded backtrace v0.3.49
[INFO] [stderr]   Downloaded ledger v0.2.5
[INFO] [stderr]   Downloaded hkdf v0.9.0
[INFO] [stderr]   Downloaded ed25519 v1.0.1
[INFO] [stderr]   Downloaded async-trait v0.1.36
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded signatory-dalek v0.20.0
[INFO] [stderr]   Downloaded abscissa_core v0.5.2
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded canonical-path v2.0.2
[INFO] [stderr]   Downloaded color-backtrace v0.3.0
[INFO] [stderr]   Downloaded chunked_transfer v1.2.0
[INFO] [stderr]   Downloaded elliptic-curve v0.4.0
[INFO] [stderr]   Downloaded aesni v0.7.0
[INFO] [stderr]   Downloaded aes-soft v0.4.0
[INFO] [stderr]   Downloaded block-modes v0.4.0
[INFO] [stderr]   Downloaded poly1305 v0.6.0
[INFO] [stderr]   Downloaded abscissa_tokio v0.5.1
[INFO] [stderr]   Downloaded hidapi v0.5.2
[INFO] [stderr]   Downloaded prost-amino v0.6.0
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded signatory-secp256k1 v0.20.0
[INFO] [stderr]   Downloaded harp v0.1.0
[INFO] [stderr]   Downloaded k256 v0.3.0
[INFO] [stderr]   Downloaded signature_derive v1.0.0-pre.2
[INFO] [stderr]   Downloaded hkd32 v0.4.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded libusb1-sys v0.3.7
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded p256 v0.3.0
[INFO] [stderr]   Downloaded ecdsa v0.6.1
[INFO] [stderr]   Downloaded chrono v0.4.12
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded gumdrop v0.7.0
[INFO] [stderr]   Downloaded merlin v2.0.0
[INFO] [stderr]   Downloaded secrecy v0.6.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.8
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded rusb v0.6.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.1.6
[INFO] [stderr]   Downloaded chacha20 v0.4.3
[INFO] [stderr]   Downloaded gumdrop_derive v0.7.0
[INFO] [stderr]   Downloaded rpassword v4.0.5
[INFO] [stderr]   Downloaded x25519-dalek v0.6.0
[INFO] [stderr]   Downloaded p384 v0.2.0
[INFO] [stderr]   Downloaded signatory-ledger-tm v0.20.0
[INFO] [stderr]   Downloaded tendermint v0.14.1
[INFO] [stderr]   Downloaded tendermint-rpc v0.14.0
[INFO] [stderr]   Downloaded yubihsm v0.34.0
[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" "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] 1806cfcb6b4da2039f15a7ea4a662e69e3f664bdb69b4a59743117571ef65ca5
[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" "1806cfcb6b4da2039f15a7ea4a662e69e3f664bdb69b4a59743117571ef65ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1806cfcb6b4da2039f15a7ea4a662e69e3f664bdb69b4a59743117571ef65ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1806cfcb6b4da2039f15a7ea4a662e69e3f664bdb69b4a59743117571ef65ca5", kill_on_drop: false }`
[INFO] [stdout] 1806cfcb6b4da2039f15a7ea4a662e69e3f664bdb69b4a59743117571ef65ca5
[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" "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] 11070d914f169de320f27f711b8f7f2e47272b661944f23ff2123f0649b6988a
[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" "11070d914f169de320f27f711b8f7f2e47272b661944f23ff2123f0649b6988a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking prost-amino v0.6.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking anomaly v0.2.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[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 stream-cipher v0.4.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking gumdrop v0.7.0
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[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 hkd32 v0.4.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking k256 v0.3.0
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking ecdsa v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking signatory v0.20.0
[INFO] [stderr]     Checking signatory-dalek v0.20.0
[INFO] [stderr]     Checking signatory-secp256k1 v0.20.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling abscissa_derive v0.5.0
[INFO] [stderr]     Checking serde v1.0.114
[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 serde_bytes v0.11.5
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking semver v0.9.0
[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-61bb4debdc8bbedb.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-643cc0af36af213a.rmeta --extern chacha20poly1305=/opt/rustwide/target/debug/deps/libchacha20poly1305-882f2a0694d1307d.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-2dc51f754ef66e75.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-de087b77cb56301b.rmeta --extern gumdrop=/opt/rustwide/target/debug/deps/libgumdrop-edd80c2218e2be99.rmeta --extern hkd32=/opt/rustwide/target/debug/deps/libhkd32-b213644ddd89faa6.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-eaf8173a66f5a4ba.rmeta --extern k256=/opt/rustwide/target/debug/deps/libk256-de59dff8aa4db14a.rmeta --extern merlin=/opt/rustwide/target/debug/deps/libmerlin-2e30fd80e600f897.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-bc82f30eee9e4913.rmeta --extern prost_amino=/opt/rustwide/target/debug/deps/libprost_amino-303bfe4bbbd84843.rmeta --extern prost_amino_derive=/opt/rustwide/target/debug/deps/libprost_amino_derive-3c2aa16301a2d0a6.so --extern rand=/opt/rustwide/target/debug/deps/librand-c38880f5f03aa648.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-af197ebd25d62bd8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2ffc2d2f00881539.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-0dadce0f0dff72b6.rmeta --extern signatory=/opt/rustwide/target/debug/deps/libsignatory-853e01ac64d2a888.rmeta --extern signatory_dalek=/opt/rustwide/target/debug/deps/libsignatory_dalek-699d33821d4e45b0.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-368aacdd5aea672c.rmeta --extern subtle_encoding=/opt/rustwide/target/debug/deps/libsubtle_encoding-c5e3e1e6a0f3673d.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-d7266aac3bcc232f.rmeta --extern tendermint=/opt/rustwide/target/debug/deps/libtendermint-6edc0e5c8e6744c3.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4e4bdc7cc903de3f.rmeta --extern wait_timeout=/opt/rustwide/target/debug/deps/libwait_timeout-b2895fdc0c200a43.rmeta --extern x25519_dalek=/opt/rustwide/target/debug/deps/libx25519_dalek-f9e3936a8dac301c.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-ccf8295e32f7851c.rmeta --cap-lints=warn --crate-version 0.8.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "11070d914f169de320f27f711b8f7f2e47272b661944f23ff2123f0649b6988a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11070d914f169de320f27f711b8f7f2e47272b661944f23ff2123f0649b6988a", kill_on_drop: false }`
[INFO] [stdout] 11070d914f169de320f27f711b8f7f2e47272b661944f23ff2123f0649b6988a