[INFO] cloning repository https://github.com/rnestler/tune-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rnestler/tune-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnestler%2Ftune-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnestler%2Ftune-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53001938a24c9b1eb3b76b62ca116614fdf458a
[INFO] documenting rnestler/tune-rs against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnestler%2Ftune-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rnestler/tune-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rnestler/tune-rs
[INFO] finished tweaking git repo https://github.com/rnestler/tune-rs
[INFO] tweaked toml for git repo https://github.com/rnestler/tune-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rnestler/tune-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Rust-SDL2/rust-sdl2.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strider v0.1.3
[INFO] [stderr]   Downloaded stft v0.2.0
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded rustfft v1.0.1
[INFO] [stderr]   Downloaded nalgebra v0.5.1
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded apodize v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7ea2e93afdb172d5951ef52e3ebb89f9e2fc723bbf229c9f16d1be7c424b6c5
[INFO] running `Command { std: "docker" "start" "-a" "a7ea2e93afdb172d5951ef52e3ebb89f9e2fc723bbf229c9f16d1be7c424b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ea2e93afdb172d5951ef52e3ebb89f9e2fc723bbf229c9f16d1be7c424b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea2e93afdb172d5951ef52e3ebb89f9e2fc723bbf229c9f16d1be7c424b6c5", kill_on_drop: false }`
[INFO] [stdout] a7ea2e93afdb172d5951ef52e3ebb89f9e2fc723bbf229c9f16d1be7c424b6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cdbba1a02f4fb18330515654abfd8a42ff56d53e5cadb2489cbde73784992a
[INFO] running `Command { std: "docker" "start" "-a" "27cdbba1a02f4fb18330515654abfd8a42ff56d53e5cadb2489cbde73784992a", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]    Compiling sdl2-sys v0.30.0 (https://github.com/Rust-SDL2/rust-sdl2.git#085d0679)
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking strider v0.1.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking nalgebra v0.5.1
[INFO] [stderr]     Checking rustfft v1.0.1
[INFO] [stderr]     Checking sdl2 v0.30.0 (https://github.com/Rust-SDL2/rust-sdl2.git#085d0679)
[INFO] [stderr]     Checking apodize v0.1.2
[INFO] [stderr]     Checking stft v0.2.0
[INFO] [stderr]  Documenting sdl_audio_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: apodize v0.1.2, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/sdl_audio_test/index.html
[INFO] running `Command { std: "docker" "inspect" "27cdbba1a02f4fb18330515654abfd8a42ff56d53e5cadb2489cbde73784992a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cdbba1a02f4fb18330515654abfd8a42ff56d53e5cadb2489cbde73784992a", kill_on_drop: false }`
[INFO] [stdout] 27cdbba1a02f4fb18330515654abfd8a42ff56d53e5cadb2489cbde73784992a