[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 1.46.0 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-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbag13/bch_coder on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-2/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac81189fda70189868dadc2dbe3c0aa63298a6655f3f35430998102eba1dd5eb
[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" "ac81189fda70189868dadc2dbe3c0aa63298a6655f3f35430998102eba1dd5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac81189fda70189868dadc2dbe3c0aa63298a6655f3f35430998102eba1dd5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac81189fda70189868dadc2dbe3c0aa63298a6655f3f35430998102eba1dd5eb", kill_on_drop: false }`
[INFO] [stdout] ac81189fda70189868dadc2dbe3c0aa63298a6655f3f35430998102eba1dd5eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 16988e233e5a5e6c3ea8352525967d28c55f5fa2cf62bdf7c4639bcef9bc1727
[INFO] running `Command { std: "docker" "start" "-a" "16988e233e5a5e6c3ea8352525967d28c55f5fa2cf62bdf7c4639bcef9bc1727", kill_on_drop: false }`
[INFO] [stderr]     Checking bitvec v0.9.0
[INFO] [stderr]     Checking primes v0.2.3
[INFO] [stderr]     Checking rand_jitter v0.1.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]  Documenting bch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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-a3a70c7f894eda2a.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-0603f9d393c1c728.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-18b02e6c5805b9a2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4f27ce0b1ce6a5e9.rmeta --extern primes=/opt/rustwide/target/debug/deps/libprimes-d212af3bab6049ca.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5f117a4717d2fb60.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "16988e233e5a5e6c3ea8352525967d28c55f5fa2cf62bdf7c4639bcef9bc1727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16988e233e5a5e6c3ea8352525967d28c55f5fa2cf62bdf7c4639bcef9bc1727", kill_on_drop: false }`
[INFO] [stdout] 16988e233e5a5e6c3ea8352525967d28c55f5fa2cf62bdf7c4639bcef9bc1727