[INFO] cloning repository https://github.com/turnage/randf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/turnage/randf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Frandf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Frandf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1610969d3b51d90d94b1f25e367522715be8add1
[INFO] documenting turnage/randf against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturnage%2Frandf" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/turnage/randf 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 git repo https://github.com/turnage/randf
[INFO] finished tweaking git repo https://github.com/turnage/randf
[INFO] tweaked toml for git repo https://github.com/turnage/randf written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/turnage/randf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded meval v0.0.9
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded aho-corasick v0.6.2
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 32f19633ffeb322d3d381a8c5f4cb1f8e0d01ca00c89c99f9ae78c4334e44681
[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" "32f19633ffeb322d3d381a8c5f4cb1f8e0d01ca00c89c99f9ae78c4334e44681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f19633ffeb322d3d381a8c5f4cb1f8e0d01ca00c89c99f9ae78c4334e44681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f19633ffeb322d3d381a8c5f4cb1f8e0d01ca00c89c99f9ae78c4334e44681", kill_on_drop: false }`
[INFO] [stdout] 32f19633ffeb322d3d381a8c5f4cb1f8e0d01ca00c89c99f9ae78c4334e44681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bb87dc89c6e5734962956eb52eb8f9c72ff8882de320d8826484ae53a44c0e3c
[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" "bb87dc89c6e5734962956eb52eb8f9c72ff8882de320d8826484ae53a44c0e3c", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking meval v0.0.9
[INFO] [stderr]  Documenting randf 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(slice_patterns, exclusive_range_pattern)]
[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 `randf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name randf 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 clap=/opt/rustwide/target/debug/deps/libclap-b35b7ed75a9fa3e5.rmeta --extern meval=/opt/rustwide/target/debug/deps/libmeval-371ae503047ceb46.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-beaf2ee7159f9d7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f3d59219ec3b9072.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "bb87dc89c6e5734962956eb52eb8f9c72ff8882de320d8826484ae53a44c0e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb87dc89c6e5734962956eb52eb8f9c72ff8882de320d8826484ae53a44c0e3c", kill_on_drop: false }`
[INFO] [stdout] bb87dc89c6e5734962956eb52eb8f9c72ff8882de320d8826484ae53a44c0e3c
