[INFO] cloning repository https://github.com/AgentX1994/SoundTest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AgentX1994/SoundTest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgentX1994%2FSoundTest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgentX1994%2FSoundTest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 218c449cb6b2147dfea769e30f801200b9032041
[INFO] documenting AgentX1994/SoundTest against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgentX1994%2FSoundTest" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AgentX1994/SoundTest on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AgentX1994/SoundTest
[INFO] finished tweaking git repo https://github.com/AgentX1994/SoundTest
[INFO] tweaked toml for git repo https://github.com/AgentX1994/SoundTest written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/AgentX1994/SoundTest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded cpal v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967bdb73ce8e23be9283f89a83b5e85e8aa4afd6f6567cc927dd6cbe08ec15f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "967bdb73ce8e23be9283f89a83b5e85e8aa4afd6f6567cc927dd6cbe08ec15f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967bdb73ce8e23be9283f89a83b5e85e8aa4afd6f6567cc927dd6cbe08ec15f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967bdb73ce8e23be9283f89a83b5e85e8aa4afd6f6567cc927dd6cbe08ec15f8", kill_on_drop: false }`
[INFO] [stdout] 967bdb73ce8e23be9283f89a83b5e85e8aa4afd6f6567cc927dd6cbe08ec15f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90b1e6e77309d375169b39c0de88e85bb587272d81ed6a2e97ed5ae227b659d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90b1e6e77309d375169b39c0de88e85bb587272d81ed6a2e97ed5ae227b659d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting sound-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]   --> src/filters/biquad.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// y[n] = b0*x[n] + b1*x[n-1] + b2*x[n-2]  - a1*y[n-1] - a2*y[n-2]
[INFO] [stdout]    |       ^ the module `biquad` contains no item named `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]   --> src/filters/biquad.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// y[n] = b0*x[n] + b1*x[n-1] + b2*x[n-2]  - a1*y[n-1] - a2*y[n-2]
[INFO] [stdout]    |                 ^ the module `biquad` contains no item named `n`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `Command { std: "docker" "inspect" "90b1e6e77309d375169b39c0de88e85bb587272d81ed6a2e97ed5ae227b659d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b1e6e77309d375169b39c0de88e85bb587272d81ed6a2e97ed5ae227b659d9", kill_on_drop: false }`
[INFO] [stdout] 90b1e6e77309d375169b39c0de88e85bb587272d81ed6a2e97ed5ae227b659d9