[INFO] cloning repository https://github.com/Beardiegames/multi_threaded_pool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Beardiegames/multi_threaded_pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b824f59af668d373ed29b7c22be8b78f91134a2 [INFO] testing Beardiegames/multi_threaded_pool/6b824f59af668d373ed29b7c22be8b78f91134a2 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Beardiegames/multi_threaded_pool on toolchain f23b22458132fb20faeb8a915b1c252478696f25 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Beardiegames/multi_threaded_pool [INFO] finished tweaking git repo https://github.com/Beardiegames/multi_threaded_pool [INFO] tweaked toml for git repo https://github.com/Beardiegames/multi_threaded_pool written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Beardiegames/multi_threaded_pool 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" "+f23b22458132fb20faeb8a915b1c252478696f25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89c80ce3ac6c2ecb2d67ff3c2461dca2fe62d8b984b3d68fb3a6c3a57bd40a61 [INFO] running `Command { std: "docker" "start" "-a" "89c80ce3ac6c2ecb2d67ff3c2461dca2fe62d8b984b3d68fb3a6c3a57bd40a61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89c80ce3ac6c2ecb2d67ff3c2461dca2fe62d8b984b3d68fb3a6c3a57bd40a61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89c80ce3ac6c2ecb2d67ff3c2461dca2fe62d8b984b3d68fb3a6c3a57bd40a61", kill_on_drop: false }` [INFO] [stdout] 89c80ce3ac6c2ecb2d67ff3c2461dca2fe62d8b984b3d68fb3a6c3a57bd40a61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89a9174fdb1325e946ef2e141605429ef984a9f06a3bedb5fea9b832af0226da [INFO] running `Command { std: "docker" "start" "-a" "89a9174fdb1325e946ef2e141605429ef984a9f06a3bedb5fea9b832af0226da", kill_on_drop: false }` [INFO] [stderr] Compiling multi_threaded_pool v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool` [INFO] [stdout] --> src/tests.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager}; [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/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod tests; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/tests.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | #[warn(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PoolObject` is never constructed [INFO] [stdout] --> src/tests.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct PoolObject(bool); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PoolObject` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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/shared.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [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] 24 - drop(handle); [INFO] [stdout] 24 + let _ = handle; [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/shared.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(handle); [INFO] [stdout] 33 + let _ = handle; [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/shared.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 41 - drop(handle); [INFO] [stdout] 41 + let _ = handle; [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/shared.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 50 - drop(handle); [INFO] [stdout] 50 + let _ = handle; [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/shared.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 58 - drop(handle); [INFO] [stdout] 58 + let _ = handle; [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/shared.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(handle); [INFO] [stdout] 67 + let _ = handle; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "89a9174fdb1325e946ef2e141605429ef984a9f06a3bedb5fea9b832af0226da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89a9174fdb1325e946ef2e141605429ef984a9f06a3bedb5fea9b832af0226da", kill_on_drop: false }` [INFO] [stdout] 89a9174fdb1325e946ef2e141605429ef984a9f06a3bedb5fea9b832af0226da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1c5ea1ad0bfd47b31dd638bb646ffcf936951488425c6a155e2f7ca5a5367e2 [INFO] running `Command { std: "docker" "start" "-a" "e1c5ea1ad0bfd47b31dd638bb646ffcf936951488425c6a155e2f7ca5a5367e2", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool` [INFO] [stdout] --> src/tests.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager}; [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/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod tests; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/tests.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | #[warn(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PoolObject` is never constructed [INFO] [stdout] --> src/tests.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct PoolObject(bool); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PoolObject` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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/shared.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [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] 24 - drop(handle); [INFO] [stdout] 24 + let _ = handle; [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/shared.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(handle); [INFO] [stdout] 33 + let _ = handle; [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/shared.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 41 - drop(handle); [INFO] [stdout] 41 + let _ = handle; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling multi_threaded_pool v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/shared.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 50 - drop(handle); [INFO] [stdout] 50 + let _ = handle; [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/shared.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 58 - drop(handle); [INFO] [stdout] 58 + let _ = handle; [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/shared.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(handle); [INFO] [stdout] 67 + let _ = handle; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/tests.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | sync::{Arc, Mutex}, [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/tests.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | #[warn(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DataCell` and `ObjectPool` [INFO] [stdout] --> src/tests.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/tests.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | #[warn(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut cluster_updates: (usize, usize) = ( [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tests.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | struct PoolObject(bool); [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `PoolObject` has derived impls for the traits `Default` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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/shared.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [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] 24 - drop(handle); [INFO] [stdout] 24 + let _ = handle; [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/shared.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(handle); [INFO] [stdout] 33 + let _ = handle; [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/shared.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 41 - drop(handle); [INFO] [stdout] 41 + let _ = handle; [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/shared.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 50 - drop(handle); [INFO] [stdout] 50 + let _ = handle; [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/shared.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 58 - drop(handle); [INFO] [stdout] 58 + let _ = handle; [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/shared.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | drop(handle); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut DataCell` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(handle); [INFO] [stdout] 67 + let _ = handle; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "e1c5ea1ad0bfd47b31dd638bb646ffcf936951488425c6a155e2f7ca5a5367e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1c5ea1ad0bfd47b31dd638bb646ffcf936951488425c6a155e2f7ca5a5367e2", kill_on_drop: false }` [INFO] [stdout] e1c5ea1ad0bfd47b31dd638bb646ffcf936951488425c6a155e2f7ca5a5367e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fb32fd82356e4e050dd4b63331968ac3d0b3530d3a9c898473f6697bf9ea6d3c [INFO] running `Command { std: "docker" "start" "-a" "fb32fd82356e4e050dd4b63331968ac3d0b3530d3a9c898473f6697bf9ea6d3c", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool` [INFO] [stderr] --> src/tests.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::{DataCell, ObjectPool, DataManager}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | mod tests; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/tests.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | #[warn(unused_imports)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `PoolObject` is never constructed [INFO] [stderr] --> src/tests.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | struct PoolObject(bool); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `PoolObject` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/shared.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | drop(handle); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut DataCell` [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] 24 - drop(handle); [INFO] [stderr] 24 + let _ = handle; [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/shared.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | drop(handle); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut DataCell` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 33 - drop(handle); [INFO] [stderr] 33 + let _ = handle; [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/shared.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | drop(handle); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut DataCell` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 41 - drop(handle); [INFO] [stderr] 41 + let _ = handle; [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/shared.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | drop(handle); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut DataCell` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 50 - drop(handle); [INFO] [stderr] 50 + let _ = handle; [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/shared.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | drop(handle); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut DataCell` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 58 - drop(handle); [INFO] [stderr] 58 + let _ = handle; [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/shared.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | drop(handle); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut DataCell` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 67 - drop(handle); [INFO] [stderr] 67 + let _ = handle; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `multi_threaded_pool` (lib) generated 8 warnings (run `cargo fix --lib -p multi_threaded_pool` to apply 1 suggestion) [INFO] [stderr] warning: unused imports: `Arc` and `Mutex` [INFO] [stderr] --> src/tests.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | sync::{Arc, Mutex}, [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/tests.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | #[warn(unused_imports)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DataCell` and `ObjectPool` [INFO] [stderr] --> src/tests.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::{DataCell, ObjectPool, DataManager}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/tests.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | #[warn(unused_imports)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let mut cluster_updates: (usize, usize) = ( [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/tests.rs:17:19 [INFO] [stderr] | [INFO] [stderr] 17 | struct PoolObject(bool); [INFO] [stderr] | ---------- ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `PoolObject` has derived impls for the traits `Default` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `multi_threaded_pool` (lib test) generated 10 warnings (6 duplicates) (run `cargo fix --lib -p multi_threaded_pool --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_threaded_pool-1abcc9472e70aa6e) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::clusters_can_destroy_objects ... ok [INFO] [stdout] test tests::clusters_can_iter_over_objects ... ok [INFO] [stdout] test tests::clusters_can_spawn_objects ... ok [INFO] [stdout] test tests::clusters_have_factories_for_spawning_specific_types ... ok [INFO] [stdout] test tests::run_thread_handlers_are_called ... ok [INFO] [stdout] test tests::start_stop_threads ... ok [INFO] [stdout] test tests::a_thread_tracks_opperation_update_time ... ok [INFO] [stdout] test tests::local_data_can_be_accessed_on_all_threads ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s [INFO] [stdout] [INFO] [stderr] Doc-tests multi_threaded_pool [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fb32fd82356e4e050dd4b63331968ac3d0b3530d3a9c898473f6697bf9ea6d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb32fd82356e4e050dd4b63331968ac3d0b3530d3a9c898473f6697bf9ea6d3c", kill_on_drop: false }` [INFO] [stdout] fb32fd82356e4e050dd4b63331968ac3d0b3530d3a9c898473f6697bf9ea6d3c