[INFO] fetching crate voluntary-servitude 4.0.8...
[INFO] testing voluntary-servitude-4.0.8 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate voluntary-servitude 4.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate voluntary-servitude 4.0.8 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voluntary-servitude 4.0.8
[INFO] finished tweaking crates.io crate voluntary-servitude 4.0.8
[INFO] tweaked toml for crates.io crate voluntary-servitude 4.0.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.5.1)
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.5)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `voluntary_servitude` library target)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21827fe2d7abb8986308bf061f5a9574d1d8ca40ac4cdc89be826a910f99201b
[INFO] running `Command { std: "docker" "start" "-a" "21827fe2d7abb8986308bf061f5a9574d1d8ca40ac4cdc89be826a910f99201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21827fe2d7abb8986308bf061f5a9574d1d8ca40ac4cdc89be826a910f99201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21827fe2d7abb8986308bf061f5a9574d1d8ca40ac4cdc89be826a910f99201b", kill_on_drop: false }`
[INFO] [stdout] 21827fe2d7abb8986308bf061f5a9574d1d8ca40ac4cdc89be826a910f99201b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f2226ebc22ad3af30f41976047653b7d73de5c321fed4c1e5230638f1d9887
[INFO] running `Command { std: "docker" "start" "-a" "39f2226ebc22ad3af30f41976047653b7d73de5c321fed4c1e5230638f1d9887", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `voluntary_servitude` library target)
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling voluntary-servitude v4.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     const_err,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     unions_with_drop_fields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs_workaround`
[INFO] [stdout]    --> src/lib.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![cfg_attr(docs_rs_workaround, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs_workaround)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs_workaround)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/atomics/atomic_option.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let old = NonNull::new(self.0.compare_and_swap(null_mut(), ptr, order));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/atomics/atomic.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 | /         NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stdout] 227 | |             .map_or((), |nn| drop(unsafe { Box::from_raw(nn.as_ptr()) }));
[INFO] [stdout]     | |_________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let _ = NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.88s
[INFO] running `Command { std: "docker" "inspect" "39f2226ebc22ad3af30f41976047653b7d73de5c321fed4c1e5230638f1d9887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f2226ebc22ad3af30f41976047653b7d73de5c321fed4c1e5230638f1d9887", kill_on_drop: false }`
[INFO] [stdout] 39f2226ebc22ad3af30f41976047653b7d73de5c321fed4c1e5230638f1d9887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3269717109a372628bc5c99586a37529147cf7eead8ba550499690bc6720518e
[INFO] running `Command { std: "docker" "start" "-a" "3269717109a372628bc5c99586a37529147cf7eead8ba550499690bc6720518e", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `voluntary_servitude` library target)
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     const_err,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     unions_with_drop_fields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs_workaround`
[INFO] [stdout]    --> src/lib.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![cfg_attr(docs_rs_workaround, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs_workaround)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs_workaround)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/atomics/atomic_option.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let old = NonNull::new(self.0.compare_and_swap(null_mut(), ptr, order));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/atomics/atomic.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 | /         NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stdout] 227 | |             .map_or((), |nn| drop(unsafe { Box::from_raw(nn.as_ptr()) }));
[INFO] [stdout]     | |_________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let _ = NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling voluntary-servitude v4.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     const_err,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     plugin_as_library,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     safe_extern_statics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     unions_with_drop_fields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs_workaround`
[INFO] [stdout]    --> src/lib.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![cfg_attr(docs_rs_workaround, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs_workaround)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs_workaround)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/atomics/atomic_option.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let old = NonNull::new(self.0.compare_and_swap(null_mut(), ptr, order));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]    --> src/lib.rs:266:1
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub fn setup_logger() {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout] 76  |     missing_docs,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stdout]    --> src/atomics/atomic.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 | /         NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stdout] 227 | |             .map_or((), |nn| drop(unsafe { Box::from_raw(nn.as_ptr()) }));
[INFO] [stdout]     | |_________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let _ = NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/iterator.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         drop(iter);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 352 -         drop(iter);
[INFO] [stdout] 352 +         let _ = iter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/iterator.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         drop(iter);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 356 -         drop(iter);
[INFO] [stdout] 356 +         let _ = iter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/iterator.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         drop(iter2);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 372 -         drop(iter2);
[INFO] [stdout] 372 +         let _ = iter2;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/iterator.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         drop(iter);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 374 -         drop(iter);
[INFO] [stdout] 374 +         let _ = iter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/iterator.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         drop(iter1);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 375 -         drop(iter1);
[INFO] [stdout] 375 +         let _ = iter1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/iterator.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         drop(iter3);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 378 -         drop(iter3);
[INFO] [stdout] 378 +         let _ = iter3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 48.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3269717109a372628bc5c99586a37529147cf7eead8ba550499690bc6720518e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3269717109a372628bc5c99586a37529147cf7eead8ba550499690bc6720518e", kill_on_drop: false }`
[INFO] [stdout] 3269717109a372628bc5c99586a37529147cf7eead8ba550499690bc6720518e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bce3ee4fa62c59eefee9f59f4846b6e6450fc5d95145d8b6d97d59fb49019d81
[INFO] running `Command { std: "docker" "start" "-a" "bce3ee4fa62c59eefee9f59f4846b6e6450fc5d95145d8b6d97d59fb49019d81", kill_on_drop: false }`
[INFO] [stderr] warning: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `voluntary_servitude` library target)
[INFO] [stderr] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     const_err,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stderr]   --> src/lib.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     legacy_directory_ownership,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stderr]   --> src/lib.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     plugin_as_library,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> src/lib.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     private_in_public,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     safe_extern_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     unions_with_drop_fields,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `docs_rs_workaround`
[INFO] [stderr]    --> src/lib.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | #![cfg_attr(docs_rs_workaround, feature(doc_cfg))]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs_workaround)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs_workaround)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/atomics/atomic_option.rs:76:39
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let old = NonNull::new(self.0.compare_and_swap(null_mut(), ptr, order));
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::map_or` that must be used
[INFO] [stderr]    --> src/atomics/atomic.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 | /         NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stderr] 227 | |             .map_or((), |nn| drop(unsafe { Box::from_raw(nn.as_ptr()) }));
[INFO] [stderr]     | |_________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the returned value, use `if let` instead
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let _ = NonNull::new(self.0.swap(null_mut(), Ordering::Relaxed))
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `voluntary-servitude` (lib) generated 9 warnings
[INFO] [stderr] warning: missing documentation for a function
[INFO] [stderr]    --> src/lib.rs:266:1
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub fn setup_logger() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:76:5
[INFO] [stderr]     |
[INFO] [stderr] 76  |     missing_docs,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/iterator.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 |         drop(iter);
[INFO] [stderr]     |         ^^^^^----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 352 -         drop(iter);
[INFO] [stderr] 352 +         let _ = iter;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/iterator.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |         drop(iter);
[INFO] [stderr]     |         ^^^^^----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 356 -         drop(iter);
[INFO] [stderr] 356 +         let _ = iter;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/iterator.rs:372:9
[INFO] [stderr]     |
[INFO] [stderr] 372 |         drop(iter2);
[INFO] [stderr]     |         ^^^^^-----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 372 -         drop(iter2);
[INFO] [stderr] 372 +         let _ = iter2;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/iterator.rs:374:9
[INFO] [stderr]     |
[INFO] [stderr] 374 |         drop(iter);
[INFO] [stderr]     |         ^^^^^----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 374 -         drop(iter);
[INFO] [stderr] 374 +         let _ = iter;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/iterator.rs:375:9
[INFO] [stderr]     |
[INFO] [stderr] 375 |         drop(iter1);
[INFO] [stderr]     |         ^^^^^-----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 375 -         drop(iter1);
[INFO] [stderr] 375 +         let _ = iter1;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/iterator.rs:378:9
[INFO] [stderr]     |
[INFO] [stderr] 378 |         drop(iter3);
[INFO] [stderr]     |         ^^^^^-----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut iterator::Iter<i32>`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 378 -         drop(iter3);
[INFO] [stderr] 378 +         let _ = iter3;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `voluntary-servitude` (lib test) generated 16 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/voluntary_servitude-d4b18d73e17ba907)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test atomics::atomic::tests::test_sync ... ok
[INFO] [stdout] test atomics::atomic::tests::test_send ... ok
[INFO] [stdout] test atomics::atomic_option::tests::test_sync ... ok
[INFO] [stdout] test atomics::fill_once_atomic_arc::tests::test_send ... ok
[INFO] [stdout] test atomics::fill_once_atomic_arc::tests::test_sync ... ok
[INFO] [stdout] test atomics::fill_once_atomic_option::tests::fill_once_ref ... ok
[INFO] [stdout] test atomics::fill_once_atomic_option::tests::test_send ... ok
[INFO] [stdout] test atomics::fill_once_atomic_option::tests::test_sync ... ok
[INFO] [stdout] test iterator::tests::iter_all ... ok
[INFO] [stdout] test iterator::tests::iter_after_use ... ok
[INFO] [stdout] test iterator::tests::iter_doesnt_clear ... ok
[INFO] [stdout] test iterator::tests::iter_drop ... ok
[INFO] [stdout] test iterator::tests::iter_drop_many ... ok
[INFO] [stdout] test iterator::tests::iter_grows ... ok
[INFO] [stdout] test iterator::tests::iter_isnt_growable_when_consumed ... ok
[INFO] [stdout] test iterator::tests::iter_many ... ok
[INFO] [stdout] test voluntary_servitude::tests::extend_partial_eq ... ok
[INFO] [stdout] test voluntary_servitude::tests::iter_outlives ... ok
[INFO] [stdout] test voluntary_servitude::tests::swap_empty ... ok
[INFO] [stdout] test voluntary_servitude::tests::test_send ... ok
[INFO] [stdout] test voluntary_servitude::tests::test_sync ... ok
[INFO] [stdout] test voluntary_servitude::tests::voluntary_servitude_len_append_clear ... ok
[INFO] [stdout] test atomics::atomic_option::tests::test_send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test elements_1b ... ignored
[INFO] [stdout] test elements_1m ... ignored
[INFO] [stdout] test elements_500m ... ignored
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-fd9dbe310468e471)
[INFO] [stdout] test elements_50m ... ignored
[INFO] [stdout] test single_thread ... ok
[INFO] [stdout] test single_producer_single_consumer ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test elements_100k ... ok
[INFO] [stdout] test single_producer_multi_consumer ... ok
[INFO] [stdout] test multi_producer_multi_consumer ... ok
[INFO] [stdout] test multi_producer_single_consumer ... ok
[INFO] [stderr]    Doc-tests voluntary_servitude
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 18.16s
[INFO] [stdout] 
[INFO] [stderr] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     const_err,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stderr]   --> src/lib.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     legacy_directory_ownership,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stderr]   --> src/lib.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     plugin_as_library,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> src/lib.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     private_in_public,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `safe_extern_statics` has been removed: converted into hard error, see issue #36247 <https://github.com/rust-lang/rust/issues/36247> for more information
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     safe_extern_statics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     unions_with_drop_fields,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::store (line 69) ... ok
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::into_inner (line 107) ... ok
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::get_raw (line 179) ... ok
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::from_raw_unchecked (line 152) ... ok
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::swap (line 87) ... ok
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::from_raw (line 129) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::atomic_ptr (line 147) ... ok
[INFO] [stdout] test src/atomics/atomic.rs - atomics::atomic::Atomic<T>::new (line 51) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::from_raw (line 181) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::new (line 37) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::get_raw (line 207) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::from_raw (line 114) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::into_inner (line 162) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::store (line 83) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::take (line 125) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::swap (line 101) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::get_ref (line 78) ... ok
[INFO] [stdout] test src/atomics/atomic_option.rs - atomics::atomic_option::AtomicOption<T>::try_store (line 58) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::get_raw (line 141) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::load (line 61) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::into_inner (line 95) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::from_raw (line 147) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::try_store (line 38) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_arc.rs - atomics::fill_once_atomic_arc::FillOnceAtomicArc<T>::new (line 15) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::get_raw (line 172) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::get_ref (line 108) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::into_inner (line 128) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::load (line 89) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::new (line 21) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::try_store (line 43) ... ok
[INFO] [stdout] test src/atomics/fill_once_atomic_option.rs - atomics::fill_once_atomic_option::FillOnceAtomicOption<T>::take (line 70) ... ok
[INFO] [stdout] test src/lib.rs - voluntary_servitude (line 136) ... FAILED
[INFO] [stdout] test src/iterator.rs - iterator::Iter (line 16) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::Iter (line 27) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::Iter<T>::index (line 169) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::Iter<T>::is_empty (line 140) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::Iter<T>::last_node (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::Iter<T>::len (line 109) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::clear (line 336) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::append (line 260) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude (line 157) ... ok
[INFO] [stdout] test src/lib.rs - vs (line 110) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::empty (line 354) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::is_empty (line 321) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::extend (line 390) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::iter (line 282) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::len (line 302) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::new (line 245) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude<T>::swap (line 373) ... ok
[INFO] [stdout] test src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude (line 195) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - voluntary_servitude (line 136) stdout ----
[INFO] [stdout] error: cannot find macro `voluntary_servitude` in this scope
[INFO] [stdout]   --> src/lib.rs:149:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | let _ = voluntary_servitude![1, 2, 3,];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `voluntary_servitude` is imported here, but it is a crate, not a macro
[INFO] [stdout]   --> src/lib.rs:136:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | extern crate r#voluntary_servitude;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 2  + use voluntary_servitude::voluntary_servitude;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `voluntary_servitude` in this scope
[INFO] [stdout]   --> src/lib.rs:147:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | let vs = voluntary_servitude![1; 3];
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `voluntary_servitude` is imported here, but it is a crate, not a macro
[INFO] [stdout]   --> src/lib.rs:136:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | extern crate r#voluntary_servitude;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 2  + use voluntary_servitude::voluntary_servitude;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `voluntary_servitude` in this scope
[INFO] [stdout]   --> src/lib.rs:144:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | let vs = voluntary_servitude![1, 2, 3];
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `voluntary_servitude` is imported here, but it is a crate, not a macro
[INFO] [stdout]   --> src/lib.rs:136:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | extern crate r#voluntary_servitude;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 2  + use voluntary_servitude::voluntary_servitude;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `voluntary_servitude` in this scope
[INFO] [stdout]  --> src/lib.rs:141:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | let vs: VS<()> = voluntary_servitude![];
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `voluntary_servitude` is imported here, but it is a crate, not a macro
[INFO] [stdout]  --> src/lib.rs:136:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate r#voluntary_servitude;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use voluntary_servitude::voluntary_servitude;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude (line 195) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 5077 elements
[INFO] [stdout] 19678 elements
[INFO] [stdout] 19678 elements
[INFO] [stdout] 19678 elements
[INFO] [stdout] 19678 elements
[INFO] [stdout] 19678 elements
[INFO] [stdout] 62965 elements
[INFO] [stdout] 1405041 elements
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread '<unnamed>' panicked at /opt/rustwide/workdir/src/iterator.rs:213:9:
[INFO] [stdout] assertion failed: (self.index > self.len() && data.is_none()) || self.index <= self.len()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c6fe79bda1a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5c6fe79bda1a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5c6fe79bda1a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c6fe79bda1a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c6fe79d96a3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5c6fe79d96a3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5c6fe79bb5f3 - std::io::Write::write_fmt::h7b09c64fe0be9c84
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5c6fe79bd862 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5c6fe79be80c - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5c6fe79be652 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x5c6fe79bede7 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x5c6fe79bec46 - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:667:13
[INFO] [stdout]   12:     0x5c6fe79bdef9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x5c6fe79be90c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x5c6fe797c320 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   15:     0x5c6fe797c3ac - core::panicking::panic::h957f98c65a3b3074
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:148:5
[INFO] [stdout]   16:     0x5c6fe797d16f - <&mut voluntary_servitude::iterator::Iter<T> as core::iter::traits::iterator::Iterator>::next::h4a684c6eed37f646
[INFO] [stdout]   17:     0x5c6fe7980e6d - core::iter::traits::iterator::Iterator::fold::hb6c00d4e15575fa8
[INFO] [stdout]   18:     0x5c6fe7980f1a - core::iter::traits::iterator::Iterator::count::haf2e7d7a23ba55d7
[INFO] [stdout]   19:     0x5c6fe7983f6d - rust_out::main::{{closure}}::h60e77385ed2e35d3
[INFO] [stdout]   20:     0x5c6fe797db06 - std::sys::backtrace::__rust_begin_short_backtrace::hbd44b0d82fa0bd4a
[INFO] [stdout]   21:     0x5c6fe797fe16 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h22201108083a8e8e
[INFO] [stdout]   22:     0x5c6fe797d1b6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he28b8f51a63ea233
[INFO] [stdout]   23:     0x5c6fe797ff99 - std::panicking::try::do_call::h939e73283fb6479e
[INFO] [stdout]   24:     0x5c6fe798407b - __rust_try
[INFO] [stdout]   25:     0x5c6fe797fa36 - std::thread::Builder::spawn_unchecked_::{{closure}}::hb8c03cedee31db7f
[INFO] [stdout]   26:     0x5c6fe7980156 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h162352154a187174
[INFO] [stdout]   27:     0x5c6fe79c0afb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   28:     0x5c6fe79c0afb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   29:     0x5c6fe79c0afb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   30:     0x786b6f850ac3 - <unknown>
[INFO] [stdout]   31:     0x786b6f8e1a04 - clone
[INFO] [stdout]   32:                0x0 - <unknown>
[INFO] [stdout] thread 'main' panicked at src/voluntary_servitude.rs:37:24:
[INFO] [stdout] Failed to join thread: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c6fe79bda1a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5c6fe79bda1a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5c6fe79bda1a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c6fe79bda1a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c6fe79d96a3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5c6fe79d96a3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5c6fe79bb5f3 - std::io::Write::write_fmt::h7b09c64fe0be9c84
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5c6fe79bd862 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5c6fe79be80c - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5c6fe79be652 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x5c6fe79bede7 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x5c6fe79bec7a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x5c6fe79bdef9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x5c6fe79be90c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x5c6fe797c320 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   15:     0x5c6fe797c736 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   16:     0x5c6fe7981f52 - core::result::Result<T,E>::expect::h3920003c1af05be2
[INFO] [stdout]   17:     0x5c6fe7983dee - rust_out::main::h86d391cc11b8a827
[INFO] [stdout]   18:     0x5c6fe79801d3 - core::ops::function::FnOnce::call_once::hd1e0b33d350e8c2e
[INFO] [stdout]   19:     0x5c6fe797daf6 - std::sys::backtrace::__rust_begin_short_backtrace::hb7c4fd168269da08
[INFO] [stdout]   20:     0x5c6fe797da49 - std::rt::lang_start::{{closure}}::h7630186e3858a44d
[INFO] [stdout]   21:     0x5c6fe79b8c2e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfdb85f4ee94732d3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   22:     0x5c6fe79b8c2e - std::panicking::try::do_call::h6e577310f330cbef
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   23:     0x5c6fe79b8c2e - std::panicking::try::ha588d438267d2645
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   24:     0x5c6fe79b8c2e - std::panic::catch_unwind::h429fda1e025f26d9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   25:     0x5c6fe79b8c2e - std::rt::lang_start_internal::{{closure}}::h7b731265e841c4bf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/rt.rs:174:48
[INFO] [stdout]   26:     0x5c6fe79b8c2e - std::panicking::try::do_call::hc0f6a675b7ae5a36
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x5c6fe79b8c2e - std::panicking::try::h4c93b7ff0671f1ff
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x5c6fe79b8c2e - std::panic::catch_unwind::hcc1e154961d16ce6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x5c6fe79b8c2e - std::rt::lang_start_internal::h1c66660c99c8424c
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/rt.rs:174:20
[INFO] [stdout]   30:     0x5c6fe797da27 - std::rt::lang_start::hcdb31f4834f76b8c
[INFO] [stdout]   31:     0x5c6fe79840b5 - main
[INFO] [stdout]   32:     0x786b6f7e5d90 - <unknown>
[INFO] [stdout]   33:     0x786b6f7e5e40 - __libc_start_main
[INFO] [stdout]   34:     0x5c6fe797cc35 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - voluntary_servitude (line 136)
[INFO] [stdout]     src/voluntary_servitude.rs - voluntary_servitude::VoluntaryServitude (line 195)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 49 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 80.43s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bce3ee4fa62c59eefee9f59f4846b6e6450fc5d95145d8b6d97d59fb49019d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce3ee4fa62c59eefee9f59f4846b6e6450fc5d95145d8b6d97d59fb49019d81", kill_on_drop: false }`
[INFO] [stdout] bce3ee4fa62c59eefee9f59f4846b6e6450fc5d95145d8b6d97d59fb49019d81
