[INFO] cloning repository https://github.com/AwesomeQubic/mutex-pool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AwesomeQubic/mutex-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesomeQubic%2Fmutex-pool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesomeQubic%2Fmutex-pool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1bd2306a02f1047f29f96f996ae846bd36a98ed [INFO] checking AwesomeQubic/mutex-pool against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesomeQubic%2Fmutex-pool" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/AwesomeQubic/mutex-pool [INFO] finished tweaking git repo https://github.com/AwesomeQubic/mutex-pool [INFO] tweaked toml for git repo https://github.com/AwesomeQubic/mutex-pool written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/AwesomeQubic/mutex-pool on toolchain 035b01b794602d5861daa43ac792f372f8981ed7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/AwesomeQubic/mutex-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" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wyrand v0.3.2 [INFO] [stderr] Downloaded generator v0.8.5 [INFO] [stderr] Downloaded clap v4.5.40 [INFO] [stderr] Downloaded clap_builder v4.5.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59e1e61676d2f9051564aeba27bb7eb1f850c56c3cbdc30525d2465c90df28e3 [INFO] running `Command { std: "docker" "start" "-a" "59e1e61676d2f9051564aeba27bb7eb1f850c56c3cbdc30525d2465c90df28e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59e1e61676d2f9051564aeba27bb7eb1f850c56c3cbdc30525d2465c90df28e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59e1e61676d2f9051564aeba27bb7eb1f850c56c3cbdc30525d2465c90df28e3", kill_on_drop: false }` [INFO] [stdout] 59e1e61676d2f9051564aeba27bb7eb1f850c56c3cbdc30525d2465c90df28e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfa6e28750693c40de8e18c88f769b065d94681223a6d42ff6b01d6a4429f4d6 [INFO] running `Command { std: "docker" "start" "-a" "bfa6e28750693c40de8e18c88f769b065d94681223a6d42ff6b01d6a4429f4d6", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling cc v1.2.27 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking clap_builder v4.5.40 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking rayon-core v1.12.1 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking wyrand v0.3.2 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking mutex-pool v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mem::transmute` [INFO] [stdout] --> src/async_pool.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | mem::transmute, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam_utils::CachePadded` [INFO] [stdout] --> src/async_pool.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crossbeam_utils::CachePadded; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/lock.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(loom)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [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 name: `loom` [INFO] [stdout] --> src/lock.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Compiling generator v0.8.5 [INFO] [stderr] Checking clap v4.5.40 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Checking loom v0.7.2 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: unused import: `loom::sync::atomic::Ordering::*` [INFO] [stdout] --> tests/race_alloc_loom.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use loom::sync::atomic::Ordering::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `loom::sync::atomic::*` [INFO] [stdout] --> tests/race_alloc_loom.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use loom::sync::atomic::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `loom::sync::atomic::Ordering::*` [INFO] [stdout] --> tests/race_free_loom.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use loom::sync::atomic::Ordering::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_object1` [INFO] [stdout] --> examples/usage.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let my_object1 = pool.try_lock().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_object1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_object2` [INFO] [stdout] --> examples/usage.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let my_object2 = pool.try_lock().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_object2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_object3` [INFO] [stdout] --> examples/usage.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let my_object3 = pool.try_lock().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_object3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_object4` [INFO] [stdout] --> examples/usage.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let my_object4 = pool.try_lock().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_object4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_error` [INFO] [stdout] --> examples/usage.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let my_error = pool.try_lock(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/usage.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | struct MyCoolObject(u8); [INFO] [stdout] | ------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MyCoolObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mem::transmute` [INFO] [stdout] --> src/async_pool.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | mem::transmute, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crossbeam_utils::CachePadded` [INFO] [stdout] --> src/async_pool.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crossbeam_utils::CachePadded; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/lock.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(loom)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [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 name: `loom` [INFO] [stdout] --> src/lock.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(not(loom))] [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(loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` 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 `Result` that must be used [INFO] [stdout] --> examples/count_pool.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | ele.join(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = ele.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.55s [INFO] running `Command { std: "docker" "inspect" "bfa6e28750693c40de8e18c88f769b065d94681223a6d42ff6b01d6a4429f4d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfa6e28750693c40de8e18c88f769b065d94681223a6d42ff6b01d6a4429f4d6", kill_on_drop: false }` [INFO] [stdout] bfa6e28750693c40de8e18c88f769b065d94681223a6d42ff6b01d6a4429f4d6