[INFO] fetching crate malk-core 0.1.1...
[INFO] documenting malk-core-0.1.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate malk-core 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate malk-core 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate malk-core 0.1.1
[INFO] finished tweaking crates.io crate malk-core 0.1.1
[INFO] tweaked toml for crates.io crate malk-core 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 68c80656c3952c1619704a8c7202392fcdf3dc17df957ee5eb4d90717c6eeca7
[INFO] running `Command { std: "docker" "start" "-a" "68c80656c3952c1619704a8c7202392fcdf3dc17df957ee5eb4d90717c6eeca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c80656c3952c1619704a8c7202392fcdf3dc17df957ee5eb4d90717c6eeca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c80656c3952c1619704a8c7202392fcdf3dc17df957ee5eb4d90717c6eeca7", kill_on_drop: false }`
[INFO] [stdout] 68c80656c3952c1619704a8c7202392fcdf3dc17df957ee5eb4d90717c6eeca7
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5123644380eebbc03584a36eb7725c43b78aabf2ce6962e83433524e03a31392
[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" "5123644380eebbc03584a36eb7725c43b78aabf2ce6962e83433524e03a31392", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting malk-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:846:5
[INFO] [stdout]     |
[INFO] [stdout] 846 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 847 | | /// bump_index(`(Var(0), Var(1), Var(2))`, 1, 100) => `(Var(0), Var(101), Var(102))`
[INFO] [stdout] 848 | | /// bump_index(`(Var(0), FuncTerm(Var(0))))`, 0, 100) => `(Var(100), FuncTerm(Var(0)))`
[INFO] [stdout] 849 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "5123644380eebbc03584a36eb7725c43b78aabf2ce6962e83433524e03a31392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5123644380eebbc03584a36eb7725c43b78aabf2ce6962e83433524e03a31392", kill_on_drop: false }`
[INFO] [stdout] 5123644380eebbc03584a36eb7725c43b78aabf2ce6962e83433524e03a31392
