[INFO] fetching crate libzfs 0.6.16...
[INFO] testing libzfs-0.6.16 against 1.91.0 for beta-1.92-2
[INFO] extracting crate libzfs 0.6.16 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate libzfs 0.6.16
[INFO] finished tweaking crates.io crate libzfs 0.6.16
[INFO] tweaked toml for crates.io crate libzfs 0.6.16 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libzfs 0.6.16 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding foreign-types v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding nvpair-sys v0.1.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded cstr-argument v0.1.2
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded nvpair-sys v0.1.0
[INFO] [stderr]   Downloaded libzfs-sys v0.5.11
[INFO] [stderr]   Downloaded libzfs-types v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1fe761f5e9f7d7c22c706c06622c0d61e37d7bd750346a9499f59af1291c07e
[INFO] running `Command { std: "docker" "start" "-a" "f1fe761f5e9f7d7c22c706c06622c0d61e37d7bd750346a9499f59af1291c07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fe761f5e9f7d7c22c706c06622c0d61e37d7bd750346a9499f59af1291c07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fe761f5e9f7d7c22c706c06622c0d61e37d7bd750346a9499f59af1291c07e", kill_on_drop: false }`
[INFO] [stdout] f1fe761f5e9f7d7c22c706c06622c0d61e37d7bd750346a9499f59af1291c07e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13ead65d86b58e3c89eecbfb564e86f97b31140665e38ce185ef12cdb3ad59e
[INFO] running `Command { std: "docker" "start" "-a" "e13ead65d86b58e3c89eecbfb564e86f97b31140665e38ce185ef12cdb3ad59e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nvpair-sys v0.1.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling cstr-argument v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libzfs-types v0.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling libzfs-sys v0.5.11
[INFO] [stderr]    Compiling libzfs v0.6.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/nvpair.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn insert<S: CStrArgument>(&self, S, &mut NvListRef) -> io::Result<()>;
[INFO] [stdout]    |                                       ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/nvpair.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn insert<S: CStrArgument>(&self, S, &mut NvListRef) -> io::Result<()>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut NvListRef`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> 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)]` (part of `#[warn(unused)]`) 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: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:265:22
[INFO] [stdout]     |
[INFO] [stdout] 265 |             n = mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:283:22
[INFO] [stdout]     |
[INFO] [stdout] 283 |             n = mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:302:24
[INFO] [stdout]     |
[INFO] [stdout] 302 |             len = mem::uninitialized();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:332:24
[INFO] [stdout]     |
[INFO] [stdout] 332 |             len = mem::uninitialized();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NvEncode` is never used
[INFO] [stdout]   --> src/nvpair.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait NvEncode {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nvpair.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn iter(&self) -> NvListIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn iter(&self) -> NvListIter<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |             n = mem::uninitialized();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u64` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |             n = mem::uninitialized();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             len = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this code causes undefined behavior when executed
[INFO] [stdout]     |                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:332:19
[INFO] [stdout]     |
[INFO] [stdout] 332 |             len = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this code causes undefined behavior when executed
[INFO] [stdout]     |                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e13ead65d86b58e3c89eecbfb564e86f97b31140665e38ce185ef12cdb3ad59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13ead65d86b58e3c89eecbfb564e86f97b31140665e38ce185ef12cdb3ad59e", kill_on_drop: false }`
[INFO] [stdout] e13ead65d86b58e3c89eecbfb564e86f97b31140665e38ce185ef12cdb3ad59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b7d6bac7f7d59091749e5c2df083deb8759ee8df48cc901b38e115a5a8dd73
[INFO] running `Command { std: "docker" "start" "-a" "81b7d6bac7f7d59091749e5c2df083deb8759ee8df48cc901b38e115a5a8dd73", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/nvpair.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn insert<S: CStrArgument>(&self, S, &mut NvListRef) -> io::Result<()>;
[INFO] [stdout]    |                                       ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/nvpair.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn insert<S: CStrArgument>(&self, S, &mut NvListRef) -> io::Result<()>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut NvListRef`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> 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)]` (part of `#[warn(unused)]`) 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: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:265:22
[INFO] [stdout]     |
[INFO] [stdout] 265 |             n = mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:283:22
[INFO] [stdout]     |
[INFO] [stdout] 283 |             n = mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:302:24
[INFO] [stdout]     |
[INFO] [stdout] 302 |             len = mem::uninitialized();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:332:24
[INFO] [stdout]     |
[INFO] [stdout] 332 |             len = mem::uninitialized();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NvEncode` is never used
[INFO] [stdout]   --> src/nvpair.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait NvEncode {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libzfs v0.6.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nvpair.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn iter(&self) -> NvListIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn iter(&self) -> NvListIter<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |             n = mem::uninitialized();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u64` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |             n = mem::uninitialized();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             len = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this code causes undefined behavior when executed
[INFO] [stdout]     |                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:332:19
[INFO] [stdout]     |
[INFO] [stdout] 332 |             len = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this code causes undefined behavior when executed
[INFO] [stdout]     |                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/nvpair.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn insert<S: CStrArgument>(&self, S, &mut NvListRef) -> io::Result<()>;
[INFO] [stdout]    |                                       ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/nvpair.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn insert<S: CStrArgument>(&self, S, &mut NvListRef) -> io::Result<()>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut NvListRef`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> 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)]` (part of `#[warn(unused)]`) 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: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:265:22
[INFO] [stdout]     |
[INFO] [stdout] 265 |             n = mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:283:22
[INFO] [stdout]     |
[INFO] [stdout] 283 |             n = mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:302:24
[INFO] [stdout]     |
[INFO] [stdout] 302 |             len = mem::uninitialized();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/nvpair.rs:332:24
[INFO] [stdout]     |
[INFO] [stdout] 332 |             len = mem::uninitialized();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NvEncode` is never used
[INFO] [stdout]   --> src/nvpair.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait NvEncode {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nvpair.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn iter(&self) -> NvListIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn iter(&self) -> NvListIter<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut i8` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |             n = mem::uninitialized();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u64` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |             n = mem::uninitialized();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this code causes undefined behavior when executed
[INFO] [stdout]     |                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             len = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this code causes undefined behavior when executed
[INFO] [stdout]     |                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/nvpair.rs:332:19
[INFO] [stdout]     |
[INFO] [stdout] 332 |             len = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this code causes undefined behavior when executed
[INFO] [stdout]     |                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcnaxS4f/symbols.o" "<5 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libcstr_argument-1090e07b9a0d4826,libmemchr-3652ee3ae7df6864,liblibzfs_types-de16c7dcdea6090c,libserde-257e9a1ce70fd3fa,libserde_core-e3d624c1ceec6ca0,liblibzfs_sys-212feaa9d44384f9,libnvpair_sys-92c5b22f0e154003,liblazy_static-26ac7623d713e9be,libforeign_types-e670df775a782d7c,libforeign_types_shared-752b91f79ab70125}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lzfs" "-lzfs_core" "-lnvpair" "-lzpool" "-lnvpair" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcnaxS4f/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/x86_64-linux-gnu" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libzfs-9a83599218d25aaf" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: thread_init
[INFO] [stdout]           >>> referenced by libzfs.rs:69 (src/libzfs.rs:69)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/libzfs-9a83599218d25aaf.libzfs.3fa68660467cb9c3-cgu.3.rcgu.o:(libzfs::libzfs::Libzfs::find_importable_pools::h265980e31e908f7b)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: thread_fini
[INFO] [stdout]           >>> referenced by libzfs.rs:73 (src/libzfs.rs:73)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/libzfs-9a83599218d25aaf.libzfs.3fa68660467cb9c3-cgu.3.rcgu.o:(libzfs::libzfs::Libzfs::find_importable_pools::h265980e31e908f7b)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libzfs` (lib test) due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "81b7d6bac7f7d59091749e5c2df083deb8759ee8df48cc901b38e115a5a8dd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b7d6bac7f7d59091749e5c2df083deb8759ee8df48cc901b38e115a5a8dd73", kill_on_drop: false }`
[INFO] [stdout] 81b7d6bac7f7d59091749e5c2df083deb8759ee8df48cc901b38e115a5a8dd73
