[INFO] cloning repository https://github.com/sbh123/kvclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbh123/kvclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbh123%2Fkvclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbh123%2Fkvclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 992ed0ea6374385ebd7550954b876e8b00e243d8
[INFO] documenting sbh123/kvclient against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbh123%2Fkvclient" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbh123/kvclient on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbh123/kvclient
[INFO] finished tweaking git repo https://github.com/sbh123/kvclient
[INFO] tweaked toml for git repo https://github.com/sbh123/kvclient written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sbh123/kvclient already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 474b9646c0c817b88767ce1831ee73a0042a2f2f683fb53f17a21c1586d0c03a
[INFO] running `Command { std: "docker" "start" "-a" "474b9646c0c817b88767ce1831ee73a0042a2f2f683fb53f17a21c1586d0c03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "474b9646c0c817b88767ce1831ee73a0042a2f2f683fb53f17a21c1586d0c03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474b9646c0c817b88767ce1831ee73a0042a2f2f683fb53f17a21c1586d0c03a", kill_on_drop: false }`
[INFO] [stdout] 474b9646c0c817b88767ce1831ee73a0042a2f2f683fb53f17a21c1586d0c03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ce245111554a34c8813a8dad9506dedd1ae253d3c94047fd22d5eae74490fe
[INFO] running `Command { std: "docker" "start" "-a" "09ce245111554a34c8813a8dad9506dedd1ae253d3c94047fd22d5eae74490fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]  Documenting kvclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 46s
[INFO] running `Command { std: "docker" "inspect" "09ce245111554a34c8813a8dad9506dedd1ae253d3c94047fd22d5eae74490fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ce245111554a34c8813a8dad9506dedd1ae253d3c94047fd22d5eae74490fe", kill_on_drop: false }`
[INFO] [stdout] 09ce245111554a34c8813a8dad9506dedd1ae253d3c94047fd22d5eae74490fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] cd6198ad411d9a53ca320a4c50c2fa15179de2ab5ec2e3a6fa2136f1225dd7f5
[INFO] running `Command { std: "docker" "start" "-a" "cd6198ad411d9a53ca320a4c50c2fa15179de2ab5ec2e3a6fa2136f1225dd7f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]  Documenting kvclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "cd6198ad411d9a53ca320a4c50c2fa15179de2ab5ec2e3a6fa2136f1225dd7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6198ad411d9a53ca320a4c50c2fa15179de2ab5ec2e3a6fa2136f1225dd7f5", kill_on_drop: false }`
[INFO] [stdout] cd6198ad411d9a53ca320a4c50c2fa15179de2ab5ec2e3a6fa2136f1225dd7f5