[INFO] cloning repository https://github.com/anshulrgoyal/bust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anshulrgoyal/bust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanshulrgoyal%2Fbust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanshulrgoyal%2Fbust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0f07f4270f736f075af0424473e72cc19622aaa
[INFO] documenting anshulrgoyal/bust 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%2Fanshulrgoyal%2Fbust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anshulrgoyal/bust 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/anshulrgoyal/bust
[INFO] finished tweaking git repo https://github.com/anshulrgoyal/bust
[INFO] tweaked toml for git repo https://github.com/anshulrgoyal/bust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/anshulrgoyal/bust 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 security-framework-sys v0.4.2
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.35
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.15
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded async-trait v0.1.29
[INFO] [stderr]   Downloaded security-framework v0.4.2
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.14
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded tokio v0.2.16
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded core-foundation v0.7.0
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded spinner v0.5.0
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded native-tls v0.2.4
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded thiserror v1.0.14
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded spinners v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7ade16eb5bcdd93ddecc371257227708ef93054afb0c4b60aa9c59b36a2e056d
[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" "7ade16eb5bcdd93ddecc371257227708ef93054afb0c4b60aa9c59b36a2e056d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ade16eb5bcdd93ddecc371257227708ef93054afb0c4b60aa9c59b36a2e056d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ade16eb5bcdd93ddecc371257227708ef93054afb0c4b60aa9c59b36a2e056d", kill_on_drop: false }`
[INFO] [stdout] 7ade16eb5bcdd93ddecc371257227708ef93054afb0c4b60aa9c59b36a2e056d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 230b2d21c10ecdfc05760e1cbfea734c389e872a6cbdb09debdc996ea12437e0
[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" "230b2d21c10ecdfc05760e1cbfea734c389e872a6cbdb09debdc996ea12437e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling async-trait v0.1.29
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking trust-dns-proto v0.19.3
[INFO] [stderr]     Checking trust-dns-resolver v0.19.3
[INFO] [stderr]  Documenting bust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.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 `bust`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bust src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e1fc9e21b89e9412.rmeta --extern argh=/opt/rustwide/target/debug/deps/libargh-412ad086e6e6c1c7.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-9f574cb682eab74f.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-672e70c1a670f984.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-7689baeaba7a1e96.rmeta --extern mime_guess=/opt/rustwide/target/debug/deps/libmime_guess-b6821b5a0fc0a09c.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-81a4eb6eca06aa59.rmeta --extern prettytable=/opt/rustwide/target/debug/deps/libprettytable-98607bc45694d73d.rmeta --extern spinners=/opt/rustwide/target/debug/deps/libspinners-377ec3639966c969.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-254cfdf9022bab15.rmeta --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-18f98511a02bef19.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-e43a580ca5218ae8.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "230b2d21c10ecdfc05760e1cbfea734c389e872a6cbdb09debdc996ea12437e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230b2d21c10ecdfc05760e1cbfea734c389e872a6cbdb09debdc996ea12437e0", kill_on_drop: false }`
[INFO] [stdout] 230b2d21c10ecdfc05760e1cbfea734c389e872a6cbdb09debdc996ea12437e0