[INFO] fetching crate voluntary-servitude 4.0.8... [INFO] checking voluntary-servitude-4.0.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate voluntary-servitude 4.0.8 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate voluntary-servitude 4.0.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 78 packages [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding env_logger v0.5.13 (latest: v0.11.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding lock_api v0.1.5 (latest: v0.4.11) [INFO] [stderr] Adding parking_lot v0.7.1 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.4.0 (latest: v0.9.9) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5943969cab301fb9565c8dcfafdc2f6e64f5e20e61878c2112d81f7feaa20b77 [INFO] running `Command { std: "docker" "start" "-a" "5943969cab301fb9565c8dcfafdc2f6e64f5e20e61878c2112d81f7feaa20b77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5943969cab301fb9565c8dcfafdc2f6e64f5e20e61878c2112d81f7feaa20b77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5943969cab301fb9565c8dcfafdc2f6e64f5e20e61878c2112d81f7feaa20b77", kill_on_drop: false }` [INFO] [stdout] 5943969cab301fb9565c8dcfafdc2f6e64f5e20e61878c2112d81f7feaa20b77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ab040e45f6771e0856c86f715fef917469854a9b9c5a62de40aa5dcb947964e [INFO] running `Command { std: "docker" "start" "-a" "9ab040e45f6771e0856c86f715fef917469854a9b9c5a62de40aa5dcb947964e", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking quick-error v1.2.3 [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] Checking humantime v1.3.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking voluntary-servitude v4.0.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #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 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 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 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: the item `drop` is imported redundantly [INFO] [stdout] --> src/atomics/atomic.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{marker::PhantomData, mem::drop, sync::atomic::AtomicPtr, sync::atomic::Ordering}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `drop` is imported redundantly [INFO] [stdout] --> src/atomics/atomic_option.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{marker::PhantomData, mem::drop, ptr::null_mut, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/voluntary_servitude.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{iter::Extend, iter::FromIterator, mem::swap, ptr::null_mut, ptr::NonNull, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::::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::::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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #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 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 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 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: the item `drop` is imported redundantly [INFO] [stdout] --> src/atomics/atomic.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{marker::PhantomData, mem::drop, sync::atomic::AtomicPtr, sync::atomic::Ordering}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `drop` is imported redundantly [INFO] [stdout] --> src/atomics/atomic_option.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{marker::PhantomData, mem::drop, ptr::null_mut, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/voluntary_servitude.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{iter::Extend, iter::FromIterator, mem::swap, ptr::null_mut, ptr::NonNull, sync::Arc}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `drop` is imported redundantly [INFO] [stdout] --> src/voluntary_servitude.rs:472:9 [INFO] [stdout] | [INFO] [stdout] 472 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `drop` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_new` is never used [INFO] [stdout] --> benches/vs_each.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn vec_new(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_append` is never used [INFO] [stdout] --> benches/vs_each.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn vec_append(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_iter` is never used [INFO] [stdout] --> benches/vs_each.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn vec_iter(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_len` is never used [INFO] [stdout] --> benches/vs_each.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn vec_len(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_is_empty` is never used [INFO] [stdout] --> benches/vs_each.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn vec_is_empty(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_clear` is never used [INFO] [stdout] --> benches/vs_each.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn vec_clear(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_extend` is never used [INFO] [stdout] --> benches/vs_each.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn vec_extend(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_from_iter` is never used [INFO] [stdout] --> benches/vs_each.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn vec_from_iter(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::::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::::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` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [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` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [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` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [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` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [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` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [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` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s [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" "9ab040e45f6771e0856c86f715fef917469854a9b9c5a62de40aa5dcb947964e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ab040e45f6771e0856c86f715fef917469854a9b9c5a62de40aa5dcb947964e", kill_on_drop: false }` [INFO] [stdout] 9ab040e45f6771e0856c86f715fef917469854a9b9c5a62de40aa5dcb947964e