[INFO] cloning repository https://github.com/dfangx/yt-search-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfangx/yt-search-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfangx%2Fyt-search-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfangx%2Fyt-search-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06b6b0605081928b7c82dd5e799ed107e16a80fb
[INFO] documenting dfangx/yt-search-rs 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%2Fdfangx%2Fyt-search-rs" "/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/dfangx/yt-search-rs 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/dfangx/yt-search-rs
[INFO] finished tweaking git repo https://github.com/dfangx/yt-search-rs
[INFO] tweaked toml for git repo https://github.com/dfangx/yt-search-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dfangx/yt-search-rs already has a lockfile, it will not be regenerated
[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 dirs v1.0.5
[INFO] [stderr]   Downloaded structopt-derive v0.4.9
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded tracing-core v0.1.15
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded winreg v0.7.0
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded dtoa v0.4.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.58
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded tracing v0.1.19
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded mio v0.6.22
[INFO] [stderr]   Downloaded mime v0.3.16
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded mime_guess v2.0.3
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded hyper-tls v0.4.3
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded reqwest v0.10.7
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded pin-project v0.4.23
[INFO] [stderr]   Downloaded hyper v0.13.7
[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded vcpkg v0.2.10
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded security-framework-sys v0.4.3
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded schannel v0.1.19
[INFO] [stderr]   Downloaded native-tls v0.2.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded pin-project-internal v0.4.23
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.17
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded tokio v0.2.22
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded openssl v0.10.30
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] [stderr]   Downloaded structopt v0.3.16
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] [stderr]   Downloaded h2 v0.2.6
[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] 75fb3bfd71d6487412ae92958cdd1fb24c350ab9b4b0b270e6a87ac361b363ff
[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" "75fb3bfd71d6487412ae92958cdd1fb24c350ab9b4b0b270e6a87ac361b363ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75fb3bfd71d6487412ae92958cdd1fb24c350ab9b4b0b270e6a87ac361b363ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fb3bfd71d6487412ae92958cdd1fb24c350ab9b4b0b270e6a87ac361b363ff", kill_on_drop: false }`
[INFO] [stdout] 75fb3bfd71d6487412ae92958cdd1fb24c350ab9b4b0b270e6a87ac361b363ff
[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] a8709744796fe8e483c7a5b17f163106ae800e5f95e65e3cdafd75e04ea24245
[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" "a8709744796fe8e483c7a5b17f163106ae800e5f95e65e3cdafd75e04ea24245", kill_on_drop: false }`
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]  Documenting yt-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.03s
[INFO] running `Command { std: "docker" "inspect" "a8709744796fe8e483c7a5b17f163106ae800e5f95e65e3cdafd75e04ea24245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8709744796fe8e483c7a5b17f163106ae800e5f95e65e3cdafd75e04ea24245", kill_on_drop: false }`
[INFO] [stdout] a8709744796fe8e483c7a5b17f163106ae800e5f95e65e3cdafd75e04ea24245