[INFO] fetching crate rtsam 0.1.2...
[INFO] documenting rtsam-0.1.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rtsam 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rtsam 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtsam 0.1.2
[INFO] finished tweaking crates.io crate rtsam 0.1.2
[INFO] tweaked toml for crates.io crate rtsam 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc1d7c972ba271805db25dc7afb025ce572f89835cbb359cffb1888840ab28aa
[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" "fc1d7c972ba271805db25dc7afb025ce572f89835cbb359cffb1888840ab28aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1d7c972ba271805db25dc7afb025ce572f89835cbb359cffb1888840ab28aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1d7c972ba271805db25dc7afb025ce572f89835cbb359cffb1888840ab28aa", kill_on_drop: false }`
[INFO] [stdout] fc1d7c972ba271805db25dc7afb025ce572f89835cbb359cffb1888840ab28aa
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4ab455a7d7af43a5a6a3004922a4644081e74bbb90140fab19d2282244c94b
[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" "9a4ab455a7d7af43a5a6a3004922a4644081e74bbb90140fab19d2282244c94b", kill_on_drop: false }`
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]  Documenting rtsam v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc)]
[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 `rtsam`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rtsam src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-a44de9c91e315afc.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-e3593897222b367c.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-3234e4e360d3efd7.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-5bd218f3382143a1.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-4a7cf65fa49a8e89.rmeta --cap-lints=warn --crate-version 0.1.2` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9a4ab455a7d7af43a5a6a3004922a4644081e74bbb90140fab19d2282244c94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4ab455a7d7af43a5a6a3004922a4644081e74bbb90140fab19d2282244c94b", kill_on_drop: false }`
[INFO] [stdout] 9a4ab455a7d7af43a5a6a3004922a4644081e74bbb90140fab19d2282244c94b
