[INFO] cloning repository https://github.com/k0nserv/rust-nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k0nserv/rust-nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0nserv%2Frust-nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0nserv%2Frust-nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f5f38def009757c52688f9022f44c0a99e776af
[INFO] documenting k0nserv/rust-nn against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0nserv%2Frust-nn" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k0nserv/rust-nn 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 git repo https://github.com/k0nserv/rust-nn
[INFO] finished tweaking git repo https://github.com/k0nserv/rust-nn
[INFO] tweaked toml for git repo https://github.com/k0nserv/rust-nn written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/k0nserv/rust-nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.9
[INFO] [stderr]   Downloaded rand v0.5.3
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded serde_derive v1.0.70
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded quote v0.6.4
[INFO] [stderr]   Downloaded syn v0.14.5
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded csv v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 2b4052830da68597e962a38f9450aeb9cfea10142d240e9940b1a82ebb4c54c9
[INFO] running `Command { std: "docker" "start" "-a" "2b4052830da68597e962a38f9450aeb9cfea10142d240e9940b1a82ebb4c54c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4052830da68597e962a38f9450aeb9cfea10142d240e9940b1a82ebb4c54c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4052830da68597e962a38f9450aeb9cfea10142d240e9940b1a82ebb4c54c9", kill_on_drop: false }`
[INFO] [stdout] 2b4052830da68597e962a38f9450aeb9cfea10142d240e9940b1a82ebb4c54c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 2ea4180dd2194d1a4b808dd940d9b82612d2ae7c7aa1ef44963c47006b871e38
[INFO] running `Command { std: "docker" "start" "-a" "2ea4180dd2194d1a4b808dd940d9b82612d2ae7c7aa1ef44963c47006b871e38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]  Documenting rust-nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "2ea4180dd2194d1a4b808dd940d9b82612d2ae7c7aa1ef44963c47006b871e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea4180dd2194d1a4b808dd940d9b82612d2ae7c7aa1ef44963c47006b871e38", kill_on_drop: false }`
[INFO] [stdout] 2ea4180dd2194d1a4b808dd940d9b82612d2ae7c7aa1ef44963c47006b871e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a3cb8bb341d6e40ce3c079589832ec62a4a8f8ffe18f056941f545eea764ab8e
[INFO] running `Command { std: "docker" "start" "-a" "a3cb8bb341d6e40ce3c079589832ec62a4a8f8ffe18f056941f545eea764ab8e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]  Documenting rust-nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "a3cb8bb341d6e40ce3c079589832ec62a4a8f8ffe18f056941f545eea764ab8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cb8bb341d6e40ce3c079589832ec62a4a8f8ffe18f056941f545eea764ab8e", kill_on_drop: false }`
[INFO] [stdout] a3cb8bb341d6e40ce3c079589832ec62a4a8f8ffe18f056941f545eea764ab8e