[INFO] cloning repository https://github.com/tsraom/oaendlig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsraom/oaendlig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsraom%2Foaendlig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsraom%2Foaendlig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27c37b0535c10fbaec177b39ce40f70a54691c72
[INFO] documenting tsraom/oaendlig 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%2Ftsraom%2Foaendlig" "/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/tsraom/oaendlig 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/tsraom/oaendlig
[INFO] finished tweaking git repo https://github.com/tsraom/oaendlig
[INFO] tweaked toml for git repo https://github.com/tsraom/oaendlig written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tsraom/oaendlig 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] b4cdbf09dccef15aeeadaf816ee867cc8244710f73dccefc3bcfc18caeef0e4b
[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" "b4cdbf09dccef15aeeadaf816ee867cc8244710f73dccefc3bcfc18caeef0e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cdbf09dccef15aeeadaf816ee867cc8244710f73dccefc3bcfc18caeef0e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cdbf09dccef15aeeadaf816ee867cc8244710f73dccefc3bcfc18caeef0e4b", kill_on_drop: false }`
[INFO] [stdout] b4cdbf09dccef15aeeadaf816ee867cc8244710f73dccefc3bcfc18caeef0e4b
[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] 0f3337cc75172120087a08bdefd033a982afacdc1f251e39b5c794060f0ae05f
[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" "0f3337cc75172120087a08bdefd033a982afacdc1f251e39b5c794060f0ae05f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling ncurses v5.94.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking pancurses v0.16.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]  Documenting oaendlig 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_with)]
[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 `oaendlig`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name oaendlig 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 bitflags=/opt/rustwide/target/debug/deps/libbitflags-84715d6005d184cf.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-bef164ef794b4fec.rmeta --extern pancurses=/opt/rustwide/target/debug/deps/libpancurses-8207a216a7962200.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8b9a7719902f176b.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-0f366aedc40c18e2.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0f3337cc75172120087a08bdefd033a982afacdc1f251e39b5c794060f0ae05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3337cc75172120087a08bdefd033a982afacdc1f251e39b5c794060f0ae05f", kill_on_drop: false }`
[INFO] [stdout] 0f3337cc75172120087a08bdefd033a982afacdc1f251e39b5c794060f0ae05f