[INFO] fetching crate proptest 1.4.0... [INFO] checking proptest-1.4.0 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960 [INFO] extracting crate proptest 1.4.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate proptest 1.4.0 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate proptest 1.4.0 [INFO] finished tweaking crates.io crate proptest 1.4.0 [INFO] tweaked toml for crates.io crate proptest 1.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate proptest 1.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-targets v0.48.1 [INFO] [stderr] Downloaded unarray v0.1.4 [INFO] [stderr] Downloaded bit_field v0.10.2 [INFO] [stderr] Downloaded tempfile v3.6.0 [INFO] [stderr] Downloaded bit-set v0.5.3 [INFO] [stderr] Downloaded rand_xorshift v0.3.0 [INFO] [stderr] Downloaded hermit-abi v0.3.2 [INFO] [stderr] Downloaded bit-vec v0.6.3 [INFO] [stderr] Downloaded num-traits v0.2.15 [INFO] [stderr] Downloaded libm v0.2.7 [INFO] [stderr] Downloaded regex v1.9.1 [INFO] [stderr] Downloaded regex-syntax v0.7.3 [INFO] [stderr] Downloaded wait-timeout v0.2.0 [INFO] [stderr] Downloaded regex-automata v0.3.2 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.0 [INFO] [stderr] Downloaded cc v1.0.79 [INFO] [stderr] Downloaded x86 v0.52.0 [INFO] [stderr] Downloaded rustix v0.37.23 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.0 [INFO] [stderr] Downloaded aho-corasick v1.0.2 [INFO] [stderr] Downloaded memchr v2.5.0 [INFO] [stderr] Downloaded fnv v1.0.7 [INFO] [stderr] Downloaded rusty-fork v0.3.0 [INFO] [stderr] Downloaded redox_syscall v0.3.5 [INFO] [stderr] Downloaded errno v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1420e44ca4f346ecf49436e3c3cf0d91e7fcbc047b489bf45e3e754b0c2cf570 [INFO] running `Command { std: "docker" "start" "-a" "1420e44ca4f346ecf49436e3c3cf0d91e7fcbc047b489bf45e3e754b0c2cf570", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1420e44ca4f346ecf49436e3c3cf0d91e7fcbc047b489bf45e3e754b0c2cf570", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1420e44ca4f346ecf49436e3c3cf0d91e7fcbc047b489bf45e3e754b0c2cf570", kill_on_drop: false }` [INFO] [stdout] 1420e44ca4f346ecf49436e3c3cf0d91e7fcbc047b489bf45e3e754b0c2cf570 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b3d9c5e97d1077dffc4e391ee27ba7ef8da87a6c0fc455b82345b90ee612eaf [INFO] running `Command { std: "docker" "start" "-a" "8b3d9c5e97d1077dffc4e391ee27ba7ef8da87a6c0fc455b82345b90ee612eaf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.7.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling tempfile v3.6.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking regex-automata v0.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.9.1 [INFO] [stdout] warning: the item `statics` is imported redundantly [INFO] [stdout] --> src/arbitrary/_std/time.rs:17:32 [INFO] [stdout] | [INFO] [stdout] 15 | use crate::arbitrary::*; [INFO] [stdout] | ------------------- the item `statics` is already imported here [INFO] [stdout] 16 | use crate::num; [INFO] [stdout] 17 | use crate::strategy::statics::{self, static_map}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/bits.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | use rand::{self, seq::IteratorRandom, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/collection.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use core::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:28:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::lazy::*` [INFO] [stdout] --> src/strategy/mod.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | pub use self::lazy::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/test_runner/failure_persistence/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use core::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:28:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::noop::*` [INFO] [stdout] --> src/test_runner/failure_persistence/mod.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub use self::noop::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/test_runner/mod.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | mod failure_persistence; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/test_runner/rng.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use core::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:28:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/test_runner/rng.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | use rand::{self, Rng, RngCore, SeedableRng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rusty_fork` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use rusty_fork; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 | extern crate rusty_fork; [INFO] [stdout] | ------------------------ the item `rusty_fork` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `statics` is imported redundantly [INFO] [stdout] --> src/arbitrary/_std/time.rs:17:32 [INFO] [stdout] | [INFO] [stdout] 15 | use crate::arbitrary::*; [INFO] [stdout] | ------------------- the item `statics` is already imported here [INFO] [stdout] 16 | use crate::num; [INFO] [stdout] 17 | use crate::strategy::statics::{self, static_map}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/bits.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | use rand::{self, seq::IteratorRandom, Rng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/collection.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use core::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:28:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Config` is imported redundantly [INFO] [stdout] --> src/strategy/flatten.rs:267:9 [INFO] [stdout] | [INFO] [stdout] 262 | use super::*; [INFO] [stdout] | -------- the item `Config` is already imported here [INFO] [stdout] ... [INFO] [stdout] 267 | use crate::test_runner::Config; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::lazy::*` [INFO] [stdout] --> src/strategy/mod.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | pub use self::lazy::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/test_runner/failure_persistence/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use core::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:28:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::noop::*` [INFO] [stdout] --> src/test_runner/failure_persistence/mod.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub use self::noop::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/test_runner/rng.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use core::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:28:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/test_runner/rng.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | use rand::{self, Rng, RngCore, SeedableRng}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rusty_fork` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use rusty_fork; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 | extern crate rusty_fork; [INFO] [stdout] | ------------------------ the item `rusty_fork` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Cell` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:1048:9 [INFO] [stdout] | [INFO] [stdout] 1048 | use std::cell::Cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1051 | use super::*; [INFO] [stdout] | -------- the item `Cell` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:1049:9 [INFO] [stdout] | [INFO] [stdout] 1049 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 1050 | [INFO] [stdout] 1051 | use super::*; [INFO] [stdout] | -------- the item `fs` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Strategy` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:1052:9 [INFO] [stdout] | [INFO] [stdout] 1051 | use super::*; [INFO] [stdout] | -------- the item `Strategy` is already imported here [INFO] [stdout] 1052 | use crate::strategy::Strategy; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TestRng` is imported redundantly [INFO] [stdout] --> src/test_runner/runner.rs:1053:68 [INFO] [stdout] | [INFO] [stdout] 1051 | use super::*; [INFO] [stdout] | -------- the item `TestRng` is already imported here [INFO] [stdout] 1052 | use crate::strategy::Strategy; [INFO] [stdout] 1053 | use crate::test_runner::{FileFailurePersistence, RngAlgorithm, TestRng}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/arbitrary/_std/sync.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | 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] 81 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/arbitrary/_std/sync.rs:89:10 [INFO] [stdout] | [INFO] [stdout] 89 | 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] 89 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest` (lib) due to 3 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/arbitrary/_std/sync.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | 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] 81 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/arbitrary/_std/sync.rs:89:10 [INFO] [stdout] | [INFO] [stdout] 89 | 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] 89 | let (_unused, wtr) = wt.unwrap(); [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest` (lib test) due to 3 previous errors; 15 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8b3d9c5e97d1077dffc4e391ee27ba7ef8da87a6c0fc455b82345b90ee612eaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b3d9c5e97d1077dffc4e391ee27ba7ef8da87a6c0fc455b82345b90ee612eaf", kill_on_drop: false }` [INFO] [stdout] 8b3d9c5e97d1077dffc4e391ee27ba7ef8da87a6c0fc455b82345b90ee612eaf