[INFO] fetching crate dense_mats 0.4.0...
[INFO] documenting dense_mats-0.4.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate dense_mats 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dense_mats 0.4.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dense_mats 0.4.0
[INFO] finished tweaking crates.io crate dense_mats 0.4.0
[INFO] tweaked toml for crates.io crate dense_mats 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d12578b3984b4404b3025d0b6645e77af4e1f25a98e317e9191b9b54833aa715
[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" "d12578b3984b4404b3025d0b6645e77af4e1f25a98e317e9191b9b54833aa715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12578b3984b4404b3025d0b6645e77af4e1f25a98e317e9191b9b54833aa715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12578b3984b4404b3025d0b6645e77af4e1f25a98e317e9191b9b54833aa715", kill_on_drop: false }`
[INFO] [stdout] d12578b3984b4404b3025d0b6645e77af4e1f25a98e317e9191b9b54833aa715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87063aec0a864c9b39b7dd135cb4d029cc020bec08af8dcfcf8f77859fed8826
[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" "87063aec0a864c9b39b7dd135cb4d029cc020bec08af8dcfcf8f77859fed8826", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting dense_mats v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tensor.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |     /// self.strides()[0] gives the number of elements that must be skipped
[INFO] [stdout]     |                        ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tensor.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |     /// self.strides()[1] gives the number of elements that must be skipped
[INFO] [stdout]     |                        ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tensor.rs:158:33
[INFO] [stdout]     |
[INFO] [stdout] 158 |     /// computed by i * strides[0] + j * strides[1]
[INFO] [stdout]     |                                 ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tensor.rs:158:50
[INFO] [stdout]     |
[INFO] [stdout] 158 |     /// computed by i * strides[0] + j * strides[1]
[INFO] [stdout]     |                                                  ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tensor.rs:713:33
[INFO] [stdout]     |
[INFO] [stdout] 713 |     /// computed by i * strides[0] + j * strides[1]
[INFO] [stdout]     |                                 ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tensor.rs:713:50
[INFO] [stdout]     |
[INFO] [stdout] 713 |     /// computed by i * strides[0] + j * strides[1]
[INFO] [stdout]     |                                                  ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "87063aec0a864c9b39b7dd135cb4d029cc020bec08af8dcfcf8f77859fed8826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87063aec0a864c9b39b7dd135cb4d029cc020bec08af8dcfcf8f77859fed8826", kill_on_drop: false }`
[INFO] [stdout] 87063aec0a864c9b39b7dd135cb4d029cc020bec08af8dcfcf8f77859fed8826