[INFO] fetching crate linfa-nn 0.5.1...
[INFO] documenting linfa-nn-0.5.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate linfa-nn 0.5.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate linfa-nn 0.5.1 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 linfa-nn 0.5.1
[INFO] finished tweaking crates.io crate linfa-nn 0.5.1
[INFO] tweaked toml for crates.io crate linfa-nn 0.5.1 written to /workspace/builds/worker-38/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 78face9e68c2c2e92be81db8e8c11d6399b2b798296f7fd5833da06b37d9f290
[INFO] running `Command { std: "docker" "start" "-a" "78face9e68c2c2e92be81db8e8c11d6399b2b798296f7fd5833da06b37d9f290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78face9e68c2c2e92be81db8e8c11d6399b2b798296f7fd5833da06b37d9f290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78face9e68c2c2e92be81db8e8c11d6399b2b798296f7fd5833da06b37d9f290", kill_on_drop: false }`
[INFO] [stdout] 78face9e68c2c2e92be81db8e8c11d6399b2b798296f7fd5833da06b37d9f290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] ebc0531b7e67e7a8ebf6abcf9696480662a2f6219dfc425c93495360e88f49e7
[INFO] running `Command { std: "docker" "start" "-a" "ebc0531b7e67e7a8ebf6abcf9696480662a2f6219dfc425c93495360e88f49e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.2
[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]    Compiling syn v1.0.95
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]    Compiling linfa v0.5.1
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking itertools v0.10.3
[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 indexmap v1.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking ndarray-stats v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]  Documenting linfa-nn v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "ebc0531b7e67e7a8ebf6abcf9696480662a2f6219dfc425c93495360e88f49e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc0531b7e67e7a8ebf6abcf9696480662a2f6219dfc425c93495360e88f49e7", kill_on_drop: false }`
[INFO] [stdout] ebc0531b7e67e7a8ebf6abcf9696480662a2f6219dfc425c93495360e88f49e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] 8f64723b3291402312deadcb6b1a6e64c1efd6a039c69a4c28d59df4f420da73
[INFO] running `Command { std: "docker" "start" "-a" "8f64723b3291402312deadcb6b1a6e64c1efd6a039c69a4c28d59df4f420da73", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling linfa v0.5.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking ndarray-stats v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]  Documenting linfa-nn v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.61s
[INFO] running `Command { std: "docker" "inspect" "8f64723b3291402312deadcb6b1a6e64c1efd6a039c69a4c28d59df4f420da73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f64723b3291402312deadcb6b1a6e64c1efd6a039c69a4c28d59df4f420da73", kill_on_drop: false }`
[INFO] [stdout] 8f64723b3291402312deadcb6b1a6e64c1efd6a039c69a4c28d59df4f420da73