[INFO] fetching crate libzetta 0.5.0...
[INFO] checking libzetta-0.5.0 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate libzetta 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate libzetta 0.5.0 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate libzetta 0.5.0
[INFO] finished tweaking crates.io crate libzetta 0.5.0
[INFO] tweaked toml for crates.io crate libzetta 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded build-env v0.3.1
[INFO] [stderr]   Downloaded cstr-argument v0.1.2
[INFO] [stderr]   Downloaded slog-stdlog v4.1.1
[INFO] [stderr]   Downloaded cavity v1.1.0
[INFO] [stderr]   Downloaded libzetta-zfs-core-sys v0.5.2
[INFO] [stderr]   Downloaded libnv v0.4.2
[INFO] [stderr]   Downloaded nvpair-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d9a6892dff2cf130cfc0462cb1778aecf0f8829c9b35d95fe5d0254bbf223b4
[INFO] running `Command { std: "docker" "start" "-a" "7d9a6892dff2cf130cfc0462cb1778aecf0f8829c9b35d95fe5d0254bbf223b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d9a6892dff2cf130cfc0462cb1778aecf0f8829c9b35d95fe5d0254bbf223b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9a6892dff2cf130cfc0462cb1778aecf0f8829c9b35d95fe5d0254bbf223b4", kill_on_drop: false }`
[INFO] [stdout] 7d9a6892dff2cf130cfc0462cb1778aecf0f8829c9b35d95fe5d0254bbf223b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3323f0a123bfab31e8b4546c357ad2a01489c397c0095069f14f3b7b8f80dadb
[INFO] running `Command { std: "docker" "start" "-a" "3323f0a123bfab31e8b4546c357ad2a01489c397c0095069f14f3b7b8f80dadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling nvpair-sys v0.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling build-env v0.3.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling libzetta-zfs-core-sys v0.5.2
[INFO] [stderr]     Checking slog-stdlog v4.1.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking cstr-argument v0.1.2
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cavity v1.1.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking time v0.3.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libnv v0.4.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling pest_meta v2.6.0
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling pest_generator v2.6.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling pest_derive v2.6.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking libzetta v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `fuckery_make_nvlist` is never used
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |         pub(crate) fn fuckery_make_nvlist() -> *mut zfs_core_sys::nvlist_t;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Logger<Arc<dyn SendSyncRefUnwindSafeDrain<Err = slog::private::NeverStruct, Ok = ()>>>` instead of borrowing the inner type
[INFO] [stdout]   --> src/log.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.inner.borrow()
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuckery_make_nvlist` is never used
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |         pub(crate) fn fuckery_make_nvlist() -> *mut zfs_core_sys::nvlist_t;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Logger<Arc<dyn SendSyncRefUnwindSafeDrain<Err = slog::private::NeverStruct, Ok = ()>>>` instead of borrowing the inner type
[INFO] [stdout]   --> src/log.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.inner.borrow()
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "3323f0a123bfab31e8b4546c357ad2a01489c397c0095069f14f3b7b8f80dadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3323f0a123bfab31e8b4546c357ad2a01489c397c0095069f14f3b7b8f80dadb", kill_on_drop: false }`
[INFO] [stdout] 3323f0a123bfab31e8b4546c357ad2a01489c397c0095069f14f3b7b8f80dadb