[INFO] cloning repository https://github.com/Syfaro/foxbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syfaro/foxbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Ffoxbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Ffoxbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2942a98916277dc1f3e3ddc04a0c4d6b384b09e9
[INFO] documenting Syfaro/foxbot 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%2FSyfaro%2Ffoxbot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Syfaro/foxbot 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/Syfaro/foxbot
[INFO] finished tweaking git repo https://github.com/Syfaro/foxbot
[INFO] tweaked toml for git repo https://github.com/Syfaro/foxbot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Syfaro/foxbot 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]     Updating git repository `https://github.com/Syfaro/cfscrape-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Syfaro/fuzzysearch-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Syfaro/tgbotapi-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fluent v0.12.0
[INFO] [stderr]   Downloaded fluent-bundle v0.12.0
[INFO] [stderr]   Downloaded fluent-langneg v0.13.0
[INFO] [stderr]   Downloaded metrics-core v0.5.2
[INFO] [stderr]   Downloaded inventory-impl v0.1.7
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded refinery-macros v0.2.0
[INFO] [stderr]   Downloaded rust_decimal v1.7.0
[INFO] [stderr]   Downloaded refinery-migrations v0.2.2
[INFO] [stderr]   Downloaded intl-memoizer v0.5.0
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.9.2
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.0
[INFO] [stderr]   Downloaded envy v0.4.1
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded rusoto_signature v0.44.0
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded postgres v0.17.5
[INFO] [stderr]   Downloaded refinery v0.2.1
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded im v14.3.0
[INFO] [stderr]   Downloaded barrel v0.5.8
[INFO] [stderr]   Downloaded barrel v0.6.5
[INFO] [stderr]   Downloaded rusoto_credential v0.44.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.44.0
[INFO] [stderr]   Downloaded pyo3cls v0.9.2
[INFO] [stderr]   Downloaded rusoto_core v0.44.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.3
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded sentry-contexts v0.19.0
[INFO] [stderr]   Downloaded pyo3 v0.9.2
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded linkify v0.4.0
[INFO] [stderr]   Downloaded mobc v0.5.12
[INFO] [stderr]   Downloaded influxdb v0.0.6
[INFO] [stderr]   Downloaded metrics v0.12.1
[INFO] [stderr]   Downloaded sentry-anyhow v0.19.0
[INFO] [stderr]   Downloaded sentry-backtrace v0.19.0
[INFO] [stderr]   Downloaded sentry-types v0.19.0
[INFO] [stderr]   Downloaded sentry-core v0.19.0
[INFO] [stderr]   Downloaded sentry-panic v0.19.0
[INFO] [stderr]   Downloaded sentry v0.19.0
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded egg-mode v0.15.0
[INFO] [stderr]   Downloaded inventory v0.1.7
[INFO] [stderr]   Downloaded postgres-native-tls v0.3.0
[INFO] [stderr]   Downloaded quaint v0.2.0-alpha.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9b325001471e29673cb9b6237d32cbf606ce3544d0700393ff8749c18b4a5c2d
[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" "9b325001471e29673cb9b6237d32cbf606ce3544d0700393ff8749c18b4a5c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b325001471e29673cb9b6237d32cbf606ce3544d0700393ff8749c18b4a5c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b325001471e29673cb9b6237d32cbf606ce3544d0700393ff8749c18b4a5c2d", kill_on_drop: false }`
[INFO] [stdout] 9b325001471e29673cb9b6237d32cbf606ce3544d0700393ff8749c18b4a5c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d7171d9974ff35e27565cac5998e5c105a2d477440230afb22679e416ec686a6
[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" "d7171d9974ff35e27565cac5998e5c105a2d477440230afb22679e416ec686a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]     Checking stringprep v0.1.2
[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]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[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" "d7171d9974ff35e27565cac5998e5c105a2d477440230afb22679e416ec686a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7171d9974ff35e27565cac5998e5c105a2d477440230afb22679e416ec686a6", kill_on_drop: false }`
[INFO] [stdout] d7171d9974ff35e27565cac5998e5c105a2d477440230afb22679e416ec686a6