[INFO] cloning repository https://github.com/whamcloud/rust-libzfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whamcloud/rust-libzfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhamcloud%2Frust-libzfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhamcloud%2Frust-libzfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6041b5e746cdaff54552b9c53163686378f74bdf
[INFO] documenting whamcloud/rust-libzfs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhamcloud%2Frust-libzfs" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whamcloud/rust-libzfs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whamcloud/rust-libzfs
[INFO] finished tweaking git repo https://github.com/whamcloud/rust-libzfs
[INFO] tweaked toml for git repo https://github.com/whamcloud/rust-libzfs written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/whamcloud/rust-libzfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nvpair-sys v0.1.0
[INFO] [stderr]   Downloaded cstr-argument v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63014907ed445a1aaef35e36b3d4aa5e820587efdb95e1adffb4f06333a0bee9
[INFO] running `Command { std: "docker" "start" "-a" "63014907ed445a1aaef35e36b3d4aa5e820587efdb95e1adffb4f06333a0bee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63014907ed445a1aaef35e36b3d4aa5e820587efdb95e1adffb4f06333a0bee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63014907ed445a1aaef35e36b3d4aa5e820587efdb95e1adffb4f06333a0bee9", kill_on_drop: false }`
[INFO] [stdout] 63014907ed445a1aaef35e36b3d4aa5e820587efdb95e1adffb4f06333a0bee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afbbb8b291a9be90208139b8bd392cd140b8825fe004e91946bc5bff7b7792c
[INFO] running `Command { std: "docker" "start" "-a" "7afbbb8b291a9be90208139b8bd392cd140b8825fe004e91946bc5bff7b7792c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling nvpair-sys v0.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling libzfs-sys v0.5.11 (/opt/rustwide/workdir/libzfs-sys)
[INFO] [stderr]     Checking libzfs-types v0.1.2 (/opt/rustwide/workdir/libzfs-types)
[INFO] [stderr]  Documenting libzfs-types v0.1.2 (/opt/rustwide/workdir/libzfs-types)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> libzfs-types/src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 44 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting libzfs-sys v0.5.11 (/opt/rustwide/workdir/libzfs-sys)
[INFO] [stderr]  Documenting libzfs v0.6.16 (/opt/rustwide/workdir/libzfs)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> libzfs/src/zfs.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn props(&self) -> Result<(Vec<ZProp>)> {
[INFO] [stdout]    |                                   ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -     pub fn props(&self) -> Result<(Vec<ZProp>)> {
[INFO] [stdout] 60 +     pub fn props(&self) -> Result<Vec<ZProp>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "7afbbb8b291a9be90208139b8bd392cd140b8825fe004e91946bc5bff7b7792c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afbbb8b291a9be90208139b8bd392cd140b8825fe004e91946bc5bff7b7792c", kill_on_drop: false }`
[INFO] [stdout] 7afbbb8b291a9be90208139b8bd392cd140b8825fe004e91946bc5bff7b7792c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 16abddaa63f3f1057f364c1949713ae5324bda203d4dc785931364b639aba1c3
[INFO] running `Command { std: "docker" "start" "-a" "16abddaa63f3f1057f364c1949713ae5324bda203d4dc785931364b639aba1c3", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "16abddaa63f3f1057f364c1949713ae5324bda203d4dc785931364b639aba1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16abddaa63f3f1057f364c1949713ae5324bda203d4dc785931364b639aba1c3", kill_on_drop: false }`
[INFO] [stdout] 16abddaa63f3f1057f364c1949713ae5324bda203d4dc785931364b639aba1c3