[INFO] fetching crate tangram_core 0.7.0...
[INFO] documenting tangram_core-0.7.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tangram_core 0.7.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate tangram_core 0.7.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tangram_core 0.7.0
[INFO] finished tweaking crates.io crate tangram_core 0.7.0
[INFO] tweaked toml for crates.io crate tangram_core 0.7.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded tangram_model v0.7.0
[INFO] [stderr]   Downloaded tangram_id v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6846c322a4d46ae78dc39f0cb82bb23af7ccd8c9802f4cb7c57c23feb79931b
[INFO] running `Command { std: "docker" "start" "-a" "a6846c322a4d46ae78dc39f0cb82bb23af7ccd8c9802f4cb7c57c23feb79931b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6846c322a4d46ae78dc39f0cb82bb23af7ccd8c9802f4cb7c57c23feb79931b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6846c322a4d46ae78dc39f0cb82bb23af7ccd8c9802f4cb7c57c23feb79931b", kill_on_drop: false }`
[INFO] [stdout] a6846c322a4d46ae78dc39f0cb82bb23af7ccd8c9802f4cb7c57c23feb79931b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00cd62d8e2547a62bf83e9dae006cf0452842ab1e003c3b504b8cb6b7d7b2abc
[INFO] running `Command { std: "docker" "start" "-a" "00cd62d8e2547a62bf83e9dae006cf0452842ab1e003c3b504b8cb6b7d7b2abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking tangram_zip v0.7.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking tangram_progress_counter v0.7.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking tangram_kill_chip v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling buffalo_macro v0.1.0
[INFO] [stderr]     Checking tangram_metrics v0.7.0
[INFO] [stderr]     Checking buffalo v0.1.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tangram_finite v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tangram_id v0.7.0
[INFO] [stderr]     Checking tangram_text v0.7.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tangram_table v0.7.0
[INFO] [stderr]     Checking tangram_features v0.7.0
[INFO] [stderr]     Checking tangram_tree v0.7.0
[INFO] [stderr]     Checking tangram_linear v0.7.0
[INFO] [stderr]     Checking tangram_model v0.7.0
[INFO] [stderr]  Documenting tangram_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `self::train::train`
[INFO] [stdout]  --> config.rs:2:101
[INFO] [stdout]   |
[INFO] [stdout] 2 | This module defines the `Config` struct, which is used to configure training a model with [`train`](crate::train::train).
[INFO] [stdout]   |                                                                                                     ^^^^^^^^^^^^^^^^^^^ no item named `train` in module `train`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.22s
[INFO] running `Command { std: "docker" "inspect" "00cd62d8e2547a62bf83e9dae006cf0452842ab1e003c3b504b8cb6b7d7b2abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cd62d8e2547a62bf83e9dae006cf0452842ab1e003c3b504b8cb6b7d7b2abc", kill_on_drop: false }`
[INFO] [stdout] 00cd62d8e2547a62bf83e9dae006cf0452842ab1e003c3b504b8cb6b7d7b2abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 87b69801c8cc48fde06c664c67a933efb332d4bfbc8b984de7ae52a19fc7ae50
[INFO] running `Command { std: "docker" "start" "-a" "87b69801c8cc48fde06c664c67a933efb332d4bfbc8b984de7ae52a19fc7ae50", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking tangram_zip v0.7.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking tangram_progress_counter v0.7.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking tangram_kill_chip v0.7.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling buffalo_macro v0.1.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking tangram_metrics v0.7.0
[INFO] [stderr]     Checking buffalo v0.1.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tangram_finite v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tangram_id v0.7.0
[INFO] [stderr]     Checking tangram_text v0.7.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tangram_table v0.7.0
[INFO] [stderr]     Checking tangram_features v0.7.0
[INFO] [stderr]     Checking tangram_tree v0.7.0
[INFO] [stderr]     Checking tangram_linear v0.7.0
[INFO] [stderr]     Checking tangram_model v0.7.0
[INFO] [stderr]  Documenting tangram_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `self::train::train`
[INFO] [stdout]  --> config.rs:2:101
[INFO] [stdout]   |
[INFO] [stdout] 2 | This module defines the `Config` struct, which is used to configure training a model with [`train`](crate::train::train).
[INFO] [stdout]   |                                                                                                     ^^^^^^^^^^^^^^^^^^^ no item named `train` in module `train`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.92s
[INFO] running `Command { std: "docker" "inspect" "87b69801c8cc48fde06c664c67a933efb332d4bfbc8b984de7ae52a19fc7ae50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b69801c8cc48fde06c664c67a933efb332d4bfbc8b984de7ae52a19fc7ae50", kill_on_drop: false }`
[INFO] [stdout] 87b69801c8cc48fde06c664c67a933efb332d4bfbc8b984de7ae52a19fc7ae50