[INFO] cloning repository https://github.com/jsparber/e2e-secretstore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsparber/e2e-secretstore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsparber%2Fe2e-secretstore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsparber%2Fe2e-secretstore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dee5b0d1525a8cc8ac1af57b8c0de6a58365245
[INFO] documenting jsparber/e2e-secretstore 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%2Fjsparber%2Fe2e-secretstore" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsparber/e2e-secretstore 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/jsparber/e2e-secretstore
[INFO] finished tweaking git repo https://github.com/jsparber/e2e-secretstore
[INFO] tweaked toml for git repo https://github.com/jsparber/e2e-secretstore written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jsparber/e2e-secretstore 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 parity-scale-codec v1.2.0
[INFO] [stderr]   Downloaded ethcontract-derive v0.5.0
[INFO] [stderr]   Downloaded ethcontract-common v0.5.0
[INFO] [stderr]   Downloaded ethcontract-generate v0.5.0
[INFO] [stderr]   Downloaded ethcontract v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ea5dedfaa10d1712ecf8f40a6456053bad201483151331d1b69d8862f58fb008
[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" "ea5dedfaa10d1712ecf8f40a6456053bad201483151331d1b69d8862f58fb008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea5dedfaa10d1712ecf8f40a6456053bad201483151331d1b69d8862f58fb008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5dedfaa10d1712ecf8f40a6456053bad201483151331d1b69d8862f58fb008", kill_on_drop: false }`
[INFO] [stdout] ea5dedfaa10d1712ecf8f40a6456053bad201483151331d1b69d8862f58fb008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ed7649bab8c36538c211780846f1efb9f88e8a0ae1d7c2e6ee19f8720bf7c80b
[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" "ed7649bab8c36538c211780846f1efb9f88e8a0ae1d7c2e6ee19f8720bf7c80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]     Checking fixed-hash v0.5.2
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket v0.21.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.3
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking parity-scale-codec v1.2.0
[INFO] [stderr]     Checking impl-serde v0.3.0
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking ethbloom v0.8.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking jsonrpc-client-core v0.5.0
[INFO] [stderr]     Checking jsonrpc-client-http v0.5.0
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.6.2
[INFO] [stderr]     Checking ethereum-types v0.8.0
[INFO] [stderr]     Checking ethabi v9.0.1
[INFO] [stderr]     Checking ethabi v11.0.0
[INFO] [stderr]     Checking web3 v0.10.0
[INFO] [stderr]     Checking ethcontract-common v0.5.0
[INFO] [stderr]    Compiling ethcontract-generate v0.5.0
[INFO] [stderr]    Compiling ethcontract-derive v0.5.0
[INFO] [stderr]     Checking ethcontract v0.5.0
[INFO] [stderr]  Documenting crypto-secretstore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `crypto-secretstore`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name crypto_secretstore 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 ethcontract=/opt/rustwide/target/debug/deps/libethcontract-e87a56bf7686b1f4.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-4bd7678365802496.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-7fd69f2f222f0f58.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-b38b297ae8f34fd9.rmeta --extern jsonrpc_client_core=/opt/rustwide/target/debug/deps/libjsonrpc_client_core-405ff6ea7749d7c1.rmeta --extern jsonrpc_client_http=/opt/rustwide/target/debug/deps/libjsonrpc_client_http-f09726eb961e65b8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-69d9a7f018cb28c7.rmeta --extern primitive_types=/opt/rustwide/target/debug/deps/libprimitive_types-f9de385d0069534b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d14fdc8735966214.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-ffe8efdc38611e53.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4c69d0af5b2e13f4.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-c35a7e9ea74c8caf.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d0c5f18645cc784f.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-dbac7e6f90909cd9.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7d787591708ecbb9.rmeta --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-0366bd90dac0dbfc.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-cd1fe7a029b974db.rmeta --extern web3=/opt/rustwide/target/debug/deps/libweb3-5caf6c72ca78bb6e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ed7649bab8c36538c211780846f1efb9f88e8a0ae1d7c2e6ee19f8720bf7c80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7649bab8c36538c211780846f1efb9f88e8a0ae1d7c2e6ee19f8720bf7c80b", kill_on_drop: false }`
[INFO] [stdout] ed7649bab8c36538c211780846f1efb9f88e8a0ae1d7c2e6ee19f8720bf7c80b