[INFO] fetching crate xmachine 0.2.1...
[INFO] documenting xmachine-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate xmachine 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xmachine 0.2.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmachine 0.2.1
[INFO] finished tweaking crates.io crate xmachine 0.2.1
[INFO] tweaked toml for crates.io crate xmachine 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87708926f7417351de74d7a14189cd775a76cc3e5d60dc568e599ebfcb036133
[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" "87708926f7417351de74d7a14189cd775a76cc3e5d60dc568e599ebfcb036133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87708926f7417351de74d7a14189cd775a76cc3e5d60dc568e599ebfcb036133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87708926f7417351de74d7a14189cd775a76cc3e5d60dc568e599ebfcb036133", kill_on_drop: false }`
[INFO] [stdout] 87708926f7417351de74d7a14189cd775a76cc3e5d60dc568e599ebfcb036133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54cf615f7f42c302a865873b5919307a13bb633c71dde74717208d99a9386120
[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" "54cf615f7f42c302a865873b5919307a13bb633c71dde74717208d99a9386120", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `INDEX`
[INFO] [stdout]    --> src/machine.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |     /// 3) Push the TABLE[INDEX] reference onto the stack
[INFO] [stdout]     |                           ^^^^^ no item named `INDEX` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `INDEX`
[INFO] [stdout]    --> src/machine.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |     /// 4) Call the value at TABLE[INDEX] as a function
[INFO] [stdout]     |                                    ^^^^^ no item named `INDEX` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `COUNTER`
[INFO] [stdout]    --> src/machine.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// 6)   Store LIST[COUNTER] in ELEMENT
[INFO] [stdout]     |                         ^^^^^^^ no item named `COUNTER` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "54cf615f7f42c302a865873b5919307a13bb633c71dde74717208d99a9386120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cf615f7f42c302a865873b5919307a13bb633c71dde74717208d99a9386120", kill_on_drop: false }`
[INFO] [stdout] 54cf615f7f42c302a865873b5919307a13bb633c71dde74717208d99a9386120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 947d12c2fad0cf88dea370609e9923a52b368a3a4487cdce189717426353b4f8
[INFO] running `Command { std: "docker" "start" "-a" "947d12c2fad0cf88dea370609e9923a52b368a3a4487cdce189717426353b4f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `INDEX`
[INFO] [stdout]    --> src/machine.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |     /// 3) Push the TABLE[INDEX] reference onto the stack
[INFO] [stdout]     |                           ^^^^^ no item named `INDEX` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `INDEX`
[INFO] [stdout]    --> src/machine.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |     /// 4) Call the value at TABLE[INDEX] as a function
[INFO] [stdout]     |                                    ^^^^^ no item named `INDEX` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `COUNTER`
[INFO] [stdout]    --> src/machine.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// 6)   Store LIST[COUNTER] in ELEMENT
[INFO] [stdout]     |                         ^^^^^^^ no item named `COUNTER` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "947d12c2fad0cf88dea370609e9923a52b368a3a4487cdce189717426353b4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947d12c2fad0cf88dea370609e9923a52b368a3a4487cdce189717426353b4f8", kill_on_drop: false }`
[INFO] [stdout] 947d12c2fad0cf88dea370609e9923a52b368a3a4487cdce189717426353b4f8