[INFO] cloning repository https://github.com/hogum/got-ya-id
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hogum/got-ya-id" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhogum%2Fgot-ya-id", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhogum%2Fgot-ya-id'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9340c2cfbe655528d434fbd3313999564f0c802f
[INFO] documenting hogum/got-ya-id 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%2Fhogum%2Fgot-ya-id" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hogum/got-ya-id 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/hogum/got-ya-id
[INFO] finished tweaking git repo https://github.com/hogum/got-ya-id
[INFO] tweaked toml for git repo https://github.com/hogum/got-ya-id written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hogum/got-ya-id 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]  Downloading crates ...
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded actix-web-httpauth v0.4.1
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded bcrypt v0.1.6
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded lettre_email v0.9.2
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.9.2
[INFO] [stderr]   Downloaded pyo3cls v0.9.2
[INFO] [stderr]   Downloaded if_chain v1.0.0
[INFO] [stderr]   Downloaded validator v0.9.0
[INFO] [stderr]   Downloaded validator_derive v0.9.0
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded pyo3 v0.9.2
[INFO] [stderr]   Downloaded lettre v0.9.2
[INFO] [stderr]   Downloaded oauth2 v2.0.0
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] [stderr]   Downloaded counter v0.4.3
[INFO] [stderr]   Downloaded diesel_geometry v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af05f0942b3f8d9b5e6fc6e6c304c3fe1e48b6fa189b13c79a0319cd9492a488
[INFO] running `Command { std: "docker" "start" "-a" "af05f0942b3f8d9b5e6fc6e6c304c3fe1e48b6fa189b13c79a0319cd9492a488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af05f0942b3f8d9b5e6fc6e6c304c3fe1e48b6fa189b13c79a0319cd9492a488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af05f0942b3f8d9b5e6fc6e6c304c3fe1e48b6fa189b13c79a0319cd9492a488", kill_on_drop: false }`
[INFO] [stdout] af05f0942b3f8d9b5e6fc6e6c304c3fe1e48b6fa189b13c79a0319cd9492a488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 34bba74b20c48667825db3d6108b7b3ead851a17afc703ee725b605abad05d77
[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" "34bba74b20c48667825db3d6108b7b3ead851a17afc703ee725b605abad05d77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "34bba74b20c48667825db3d6108b7b3ead851a17afc703ee725b605abad05d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bba74b20c48667825db3d6108b7b3ead851a17afc703ee725b605abad05d77", kill_on_drop: false }`
[INFO] [stdout] 34bba74b20c48667825db3d6108b7b3ead851a17afc703ee725b605abad05d77