[INFO] fetching crate codetrotter_aoc_2019_solutions 0.9.0...
[INFO] documenting codetrotter_aoc_2019_solutions-0.9.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate codetrotter_aoc_2019_solutions 0.9.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate codetrotter_aoc_2019_solutions 0.9.0 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 codetrotter_aoc_2019_solutions 0.9.0
[INFO] finished tweaking crates.io crate codetrotter_aoc_2019_solutions 0.9.0
[INFO] tweaked toml for crates.io crate codetrotter_aoc_2019_solutions 0.9.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate codetrotter_aoc_2019_solutions 0.9.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded num-traits v0.2.10
[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] ed6456363310d9913c4b6e18cd0c0e6f6a129d4b9c62e527b28803fdc820b11f
[INFO] running `Command { std: "docker" "start" "-a" "ed6456363310d9913c4b6e18cd0c0e6f6a129d4b9c62e527b28803fdc820b11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6456363310d9913c4b6e18cd0c0e6f6a129d4b9c62e527b28803fdc820b11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6456363310d9913c4b6e18cd0c0e6f6a129d4b9c62e527b28803fdc820b11f", kill_on_drop: false }`
[INFO] [stdout] ed6456363310d9913c4b6e18cd0c0e6f6a129d4b9c62e527b28803fdc820b11f
[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] fb9e96fa0a70a6d01359988cebe3c3dca5371a8ee2590d9b34c5e9c8f7a63a37
[INFO] running `Command { std: "docker" "start" "-a" "fb9e96fa0a70a6d01359988cebe3c3dca5371a8ee2590d9b34c5e9c8f7a63a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]  Documenting codetrotter_aoc_2019_solutions v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking codetrotter_aoc_2019_solutions v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chrono::prelude::*`
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | use chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 9.32s
[INFO] running `Command { std: "docker" "inspect" "fb9e96fa0a70a6d01359988cebe3c3dca5371a8ee2590d9b34c5e9c8f7a63a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9e96fa0a70a6d01359988cebe3c3dca5371a8ee2590d9b34c5e9c8f7a63a37", kill_on_drop: false }`
[INFO] [stdout] fb9e96fa0a70a6d01359988cebe3c3dca5371a8ee2590d9b34c5e9c8f7a63a37
[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" "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] 3adc3d7544fab0936b1366ba39778e73de83625bba1cdcc4fa491c4bc503c012
[INFO] running `Command { std: "docker" "start" "-a" "3adc3d7544fab0936b1366ba39778e73de83625bba1cdcc4fa491c4bc503c012", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]  Documenting codetrotter_aoc_2019_solutions v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "3adc3d7544fab0936b1366ba39778e73de83625bba1cdcc4fa491c4bc503c012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adc3d7544fab0936b1366ba39778e73de83625bba1cdcc4fa491c4bc503c012", kill_on_drop: false }`
[INFO] [stdout] 3adc3d7544fab0936b1366ba39778e73de83625bba1cdcc4fa491c4bc503c012