[INFO] cloning repository https://github.com/sbag13/bch_coder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbag13/bch_coder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbag13%2Fbch_coder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbag13%2Fbch_coder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f114b8b45d7dc6d8ca305c22854106052c1d475a
[INFO] documenting sbag13/bch_coder 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%2Fsbag13%2Fbch_coder" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbag13/bch_coder 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/sbag13/bch_coder
[INFO] finished tweaking git repo https://github.com/sbag13/bch_coder
[INFO] tweaked toml for git repo https://github.com/sbag13/bch_coder written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sbag13/bch_coder 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 bitvec v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5b4a57a839d4d5187e5709e4c5febd3493d739d21e2d2a85381393ba3e35e61d
[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" "5b4a57a839d4d5187e5709e4c5febd3493d739d21e2d2a85381393ba3e35e61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4a57a839d4d5187e5709e4c5febd3493d739d21e2d2a85381393ba3e35e61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4a57a839d4d5187e5709e4c5febd3493d739d21e2d2a85381393ba3e35e61d", kill_on_drop: false }`
[INFO] [stdout] 5b4a57a839d4d5187e5709e4c5febd3493d739d21e2d2a85381393ba3e35e61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 686b6fb3018d06dd844d488dd41c10bc53fc962543538cfb3674db865b16fddb
[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" "686b6fb3018d06dd844d488dd41c10bc53fc962543538cfb3674db865b16fddb", kill_on_drop: false }`
[INFO] [stderr]     Checking bitvec v0.9.0
[INFO] [stderr]     Checking primes v0.2.3
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]  Documenting bch 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(vec_resize_default)]
[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 `bch`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bch 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 bitvec=/opt/rustwide/target/debug/deps/libbitvec-1f9509a013662b3b.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ea5e76bbdc5a6280.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-37a9dbddb08ad827.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c2820ce931b86e08.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-8ecba189ca1e2729.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3823faa843c7a3cb.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "686b6fb3018d06dd844d488dd41c10bc53fc962543538cfb3674db865b16fddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686b6fb3018d06dd844d488dd41c10bc53fc962543538cfb3674db865b16fddb", kill_on_drop: false }`
[INFO] [stdout] 686b6fb3018d06dd844d488dd41c10bc53fc962543538cfb3674db865b16fddb