[INFO] cloning repository https://github.com/utkuce/wav2midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utkuce/wav2midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkuce%2Fwav2midi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkuce%2Fwav2midi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39a30ef0d2c7eddebffaa053ebabccadc94fec12
[INFO] documenting utkuce/wav2midi against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkuce%2Fwav2midi" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utkuce/wav2midi on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utkuce/wav2midi
[INFO] finished tweaking git repo https://github.com/utkuce/wav2midi
[INFO] tweaked toml for git repo https://github.com/utkuce/wav2midi written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gyng/synthrs`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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 arrayfire v3.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d57d80366556f87a2da2d4d0afcec8780fe449e4bc6d3b1c5b26582e6cab865
[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" "8d57d80366556f87a2da2d4d0afcec8780fe449e4bc6d3b1c5b26582e6cab865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d57d80366556f87a2da2d4d0afcec8780fe449e4bc6d3b1c5b26582e6cab865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d57d80366556f87a2da2d4d0afcec8780fe449e4bc6d3b1c5b26582e6cab865", kill_on_drop: false }`
[INFO] [stdout] 8d57d80366556f87a2da2d4d0afcec8780fe449e4bc6d3b1c5b26582e6cab865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7a89e1d0be41f722a1baa3592a7dca65464faac2c08a84d05dae042b477b8c4
[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" "a7a89e1d0be41f722a1baa3592a7dca65464faac2c08a84d05dae042b477b8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking apodize v1.0.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rimd v0.0.1
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking synthrs v0.1.0 (https://github.com/gyng/synthrs#265ca00e)
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling arrayfire v3.7.0
[INFO] [stderr]  Documenting wav2midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.44s
[INFO] running `Command { std: "docker" "inspect" "a7a89e1d0be41f722a1baa3592a7dca65464faac2c08a84d05dae042b477b8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a89e1d0be41f722a1baa3592a7dca65464faac2c08a84d05dae042b477b8c4", kill_on_drop: false }`
[INFO] [stdout] a7a89e1d0be41f722a1baa3592a7dca65464faac2c08a84d05dae042b477b8c4