[INFO] fetching crate proptest-arbitrary 0.2.2... [INFO] checking proptest-arbitrary-0.2.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate proptest-arbitrary 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate proptest-arbitrary 0.2.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate proptest-arbitrary 0.2.2 [INFO] finished tweaking crates.io crate proptest-arbitrary 0.2.2 [INFO] tweaked toml for crates.io crate proptest-arbitrary 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding bit-set v0.4.0 (available: v0.8.0) [INFO] [stderr] Adding bit-vec v0.4.4 (available: v0.8.0) [INFO] [stderr] Adding derive_more v0.7.1 (available: v1.0.0) [INFO] [stderr] Adding frunk_core v0.0.21 (available: v0.4.3) [INFO] [stderr] Adding frunk_derives v0.0.22 (available: v0.4.3) [INFO] [stderr] Adding lazy_static v0.2.11 (available: v1.5.0) [INFO] [stderr] Adding proptest v0.3.4 (available: v1.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding quote v0.3.15 (available: v1.0.37) [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding regex-syntax v0.4.2 (available: v0.8.4) [INFO] [stderr] Adding syn v0.11.11 (available: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.0.4 (available: v0.2.6) [INFO] [stderr] Adding version_check v0.1.5 (available: v0.9.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded frunk_core v0.0.21 [INFO] [stderr] Downloaded derive_more v0.7.1 [INFO] [stderr] Downloaded proptest v0.3.4 [INFO] [stderr] Downloaded frunk_derives v0.0.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7b1bd0ad0e1076841fe72337d817619af7deea94ff5fe9112810734069723a6 [INFO] running `Command { std: "docker" "start" "-a" "c7b1bd0ad0e1076841fe72337d817619af7deea94ff5fe9112810734069723a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7b1bd0ad0e1076841fe72337d817619af7deea94ff5fe9112810734069723a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7b1bd0ad0e1076841fe72337d817619af7deea94ff5fe9112810734069723a6", kill_on_drop: false }` [INFO] [stdout] c7b1bd0ad0e1076841fe72337d817619af7deea94ff5fe9112810734069723a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02b8883344f67f3564ba3fe91dbc0264e5a1b32a2bcd7adb472c091e166ba437 [INFO] running `Command { std: "docker" "start" "-a" "02b8883344f67f3564ba3fe91dbc0264e5a1b32a2bcd7adb472c091e166ba437", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Compiling frunk_core v0.0.21 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Compiling proptest-arbitrary v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking proptest v0.3.4 [INFO] [stderr] Compiling derive_more v0.7.1 [INFO] [stderr] Compiling frunk_derives v0.0.22 [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/_std/collections.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(feature="cargo-clippy", allow(implicit_hasher))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `frunk`, `frunk_core`, `frunk_derives`, and `unstable` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/_std/cell.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `frunk`, `frunk_core`, `frunk_derives`, and `unstable` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/_std/cell.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 25 | #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `frunk`, `frunk_core`, `frunk_derives`, and `unstable` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | #[cfg(MIN_VER_1_24_0)] [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:36:7 [INFO] [stdout] | [INFO] [stdout] 36 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:148:15 [INFO] [stdout] | [INFO] [stdout] 148 | 0xE1u8...0xECu8 => 0x80u8..0xC0u8, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:150:15 [INFO] [stdout] | [INFO] [stdout] 150 | 0xEEu8...0xEFu8 => 0x80u8..0xA0u8, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:155:15 [INFO] [stdout] | [INFO] [stdout] 155 | 0xE1u8...0xECu8 => prop_oneof![start_byte..0x80u8, 0xC0u8..], [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 157 | 0xEEu8...0xEFu8 => prop_oneof![start_byte..0x80u8, 0xA0u8..], [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:162:15 [INFO] [stdout] | [INFO] [stdout] 162 | 0xF1u8...0xF3u8 => prop_oneof![start_byte..0x80u8, 0xA0u8..], [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:168:15 [INFO] [stdout] | [INFO] [stdout] 168 | 0xF1u8...0xF3u8 => 0x80u8..0xA0u8, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | #[cfg(not(MIN_VER_1_24_0))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | #[cfg(not(MIN_VER_1_24_0))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:23:7 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arrays::*` [INFO] [stdout] --> src/lib.rs:493:9 [INFO] [stdout] | [INFO] [stdout] 493 | pub use arrays::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/_std/collections.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(feature="cargo-clippy", allow(implicit_hasher))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `frunk`, `frunk_core`, `frunk_derives`, and `unstable` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/_std/cell.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `frunk`, `frunk_core`, `frunk_derives`, and `unstable` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/_std/cell.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 25 | #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `frunk`, `frunk_core`, `frunk_derives`, and `unstable` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | #[cfg(MIN_VER_1_24_0)] [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/char.rs:69:11 [INFO] [stdout] | [INFO] [stdout] 69 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:36:7 [INFO] [stdout] | [INFO] [stdout] 36 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/ffi.rs:78:11 [INFO] [stdout] | [INFO] [stdout] 78 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:148:15 [INFO] [stdout] | [INFO] [stdout] 148 | 0xE1u8...0xECu8 => 0x80u8..0xC0u8, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:150:15 [INFO] [stdout] | [INFO] [stdout] 150 | 0xEEu8...0xEFu8 => 0x80u8..0xA0u8, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:155:15 [INFO] [stdout] | [INFO] [stdout] 155 | 0xE1u8...0xECu8 => prop_oneof![start_byte..0x80u8, 0xC0u8..], [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 157 | 0xEEu8...0xEFu8 => prop_oneof![start_byte..0x80u8, 0xA0u8..], [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:162:15 [INFO] [stdout] | [INFO] [stdout] 162 | 0xF1u8...0xF3u8 => prop_oneof![start_byte..0x80u8, 0xA0u8..], [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/_std/string.rs:168:15 [INFO] [stdout] | [INFO] [stdout] 168 | 0xF1u8...0xF3u8 => 0x80u8..0xA0u8, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | #[cfg(not(MIN_VER_1_24_0))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | #[cfg(not(MIN_VER_1_24_0))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `MIN_VER_1_24_0` [INFO] [stdout] --> src/_std/sync.rs:23:7 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(MIN_VER_1_24_0)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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(MIN_VER_1_24_0)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(MIN_VER_1_24_0)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arrays::*` [INFO] [stdout] --> src/lib.rs:493:9 [INFO] [stdout] | [INFO] [stdout] 493 | pub use arrays::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/_std/io.rs:86:7 [INFO] [stdout] | [INFO] [stdout] 86 | ].into_iter().map(Clone::clone).map(Just)) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 86 | ].iter().map(Clone::clone).map(Just)) [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 67 ~ IntoIterator::into_iter([ NotFound [INFO] [stdout] 68 | , PermissionDenied [INFO] [stdout] ... [INFO] [stdout] 85 | // TODO: watch this type for variant-additions. [INFO] [stdout] 86 ~ ]).map(Clone::clone).map(Just)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/_std/sync.rs:63:10 [INFO] [stdout] | [INFO] [stdout] 63 | let (_, wtr) = wt.unwrap(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = help: consider immediately dropping the value using `drop(..)` after the `let` statement [INFO] [stdout] = note: `#[deny(let_underscore_lock)]` on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 63 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/_std/sync.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | let (_, wtr) = wt.unwrap(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = help: consider immediately dropping the value using `drop(..)` after the `let` statement [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 71 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest-arbitrary` (lib) due to 3 previous errors; 21 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/_std/io.rs:86:7 [INFO] [stdout] | [INFO] [stdout] 86 | ].into_iter().map(Clone::clone).map(Just)) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 86 | ].iter().map(Clone::clone).map(Just)) [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 67 ~ IntoIterator::into_iter([ NotFound [INFO] [stdout] 68 | , PermissionDenied [INFO] [stdout] ... [INFO] [stdout] 85 | // TODO: watch this type for variant-additions. [INFO] [stdout] 86 ~ ]).map(Clone::clone).map(Just)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/_std/sync.rs:63:10 [INFO] [stdout] | [INFO] [stdout] 63 | let (_, wtr) = wt.unwrap(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = help: consider immediately dropping the value using `drop(..)` after the `let` statement [INFO] [stdout] = note: `#[deny(let_underscore_lock)]` on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 63 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/_std/sync.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | let (_, wtr) = wt.unwrap(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = help: consider immediately dropping the value using `drop(..)` after the `let` statement [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 71 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest-arbitrary` (lib test) due to 3 previous errors; 23 warnings emitted [INFO] running `Command { std: "docker" "inspect" "02b8883344f67f3564ba3fe91dbc0264e5a1b32a2bcd7adb472c091e166ba437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02b8883344f67f3564ba3fe91dbc0264e5a1b32a2bcd7adb472c091e166ba437", kill_on_drop: false }` [INFO] [stdout] 02b8883344f67f3564ba3fe91dbc0264e5a1b32a2bcd7adb472c091e166ba437