[INFO] fetching crate timestudy 0.1.0...
[INFO] documenting timestudy-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate timestudy 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate timestudy 0.1.0 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 timestudy 0.1.0
[INFO] finished tweaking crates.io crate timestudy 0.1.0
[INFO] tweaked toml for crates.io crate timestudy 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate timestudy 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 49b116fac2124b7d3879bf7d3b5912bd0352482a9f38213cfb63b08b3ebfde93
[INFO] running `Command { std: "docker" "start" "-a" "49b116fac2124b7d3879bf7d3b5912bd0352482a9f38213cfb63b08b3ebfde93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b116fac2124b7d3879bf7d3b5912bd0352482a9f38213cfb63b08b3ebfde93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b116fac2124b7d3879bf7d3b5912bd0352482a9f38213cfb63b08b3ebfde93", kill_on_drop: false }`
[INFO] [stdout] 49b116fac2124b7d3879bf7d3b5912bd0352482a9f38213cfb63b08b3ebfde93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 79b6b3d58bade09a674c4520fe4ec27f16df8c0020b38fac2e912b67e994b8a8
[INFO] running `Command { std: "docker" "start" "-a" "79b6b3d58bade09a674c4520fe4ec27f16df8c0020b38fac2e912b67e994b8a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting timestudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking timestudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `current_activity_file`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let current_activity_file = match File::open(&activity_paths.current) {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_activity_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/lib.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn track(start: DateTime<Utc>, end: DateTime<Utc>) -> Result<Activity, String> {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/lib.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn track(start: DateTime<Utc>, end: DateTime<Utc>) -> Result<Activity, String> {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "79b6b3d58bade09a674c4520fe4ec27f16df8c0020b38fac2e912b67e994b8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b6b3d58bade09a674c4520fe4ec27f16df8c0020b38fac2e912b67e994b8a8", kill_on_drop: false }`
[INFO] [stdout] 79b6b3d58bade09a674c4520fe4ec27f16df8c0020b38fac2e912b67e994b8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 684af16dca2b6848d142ef7d8e28a9b1679c1ff8b9c432d4b1f57d48704746b0
[INFO] running `Command { std: "docker" "start" "-a" "684af16dca2b6848d142ef7d8e28a9b1679c1ff8b9c432d4b1f57d48704746b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting timestudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "684af16dca2b6848d142ef7d8e28a9b1679c1ff8b9c432d4b1f57d48704746b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684af16dca2b6848d142ef7d8e28a9b1679c1ff8b9c432d4b1f57d48704746b0", kill_on_drop: false }`
[INFO] [stdout] 684af16dca2b6848d142ef7d8e28a9b1679c1ff8b9c432d4b1f57d48704746b0