[INFO] cloning repository https://github.com/gegy1000/Oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gegy1000/Oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgegy1000%2FOxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgegy1000%2FOxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a92463e64a33f0b9598be2a753530c966f5779e
[INFO] documenting gegy1000/Oxide 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%2Fgegy1000%2FOxide" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gegy1000/Oxide 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/gegy1000/Oxide
[INFO] finished tweaking git repo https://github.com/gegy1000/Oxide
[INFO] tweaked toml for git repo https://github.com/gegy1000/Oxide written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gegy1000/Oxide 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4f45290b3c7b1cfd6182fbcc3d080c31bc99c2befc1495b80eaa691f258d3e59
[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" "4f45290b3c7b1cfd6182fbcc3d080c31bc99c2befc1495b80eaa691f258d3e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f45290b3c7b1cfd6182fbcc3d080c31bc99c2befc1495b80eaa691f258d3e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f45290b3c7b1cfd6182fbcc3d080c31bc99c2befc1495b80eaa691f258d3e59", kill_on_drop: false }`
[INFO] [stdout] 4f45290b3c7b1cfd6182fbcc3d080c31bc99c2befc1495b80eaa691f258d3e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 833a67b7d207d581f06b63603871e26767674123364a0c98134bb6821f73f7ec
[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" "833a67b7d207d581f06b63603871e26767674123364a0c98134bb6821f73f7ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling jni v0.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]  Documenting oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main/rust/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main/rust/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `oxide`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type cdylib --crate-type rlib --crate-name oxide src/main/rust/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 jni=/opt/rustwide/target/debug/deps/libjni-553bb0fa6d0e7fbf.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd0087544095cdce.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-5fcbea886c8c0331.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "833a67b7d207d581f06b63603871e26767674123364a0c98134bb6821f73f7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833a67b7d207d581f06b63603871e26767674123364a0c98134bb6821f73f7ec", kill_on_drop: false }`
[INFO] [stdout] 833a67b7d207d581f06b63603871e26767674123364a0c98134bb6821f73f7ec