[INFO] fetching crate objpool 0.2.0... [INFO] testing objpool-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate objpool 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate objpool 0.2.0 [INFO] finished tweaking crates.io crate objpool 0.2.0 [INFO] tweaked toml for crates.io crate objpool 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate objpool 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ccd2aa10e35702508e0f89f5f53a46eb571414e24162bd0bebed59374a9434e [INFO] running `Command { std: "docker" "start" "-a" "9ccd2aa10e35702508e0f89f5f53a46eb571414e24162bd0bebed59374a9434e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ccd2aa10e35702508e0f89f5f53a46eb571414e24162bd0bebed59374a9434e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ccd2aa10e35702508e0f89f5f53a46eb571414e24162bd0bebed59374a9434e", kill_on_drop: false }` [INFO] [stdout] 9ccd2aa10e35702508e0f89f5f53a46eb571414e24162bd0bebed59374a9434e [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b357a7b61ce2f76e6f05f42433f780a2cbe35e9b943532e736bd31267638b664 [INFO] running `Command { std: "docker" "start" "-a" "b357a7b61ce2f76e6f05f42433f780a2cbe35e9b943532e736bd31267638b664", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling objpool v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:31:22 [INFO] [stdout] | [INFO] [stdout] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: assigning to `&T` is undefined behavior, consider using an `UnsafeCell` [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 58 | let ptr = &pool.weak_self as *const Weak> as *mut Weak>; [INFO] [stdout] | ------------------------------------------------------------- casting happened here [INFO] [stdout] 59 | *ptr = Arc::downgrade(&pool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[warn(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "b357a7b61ce2f76e6f05f42433f780a2cbe35e9b943532e736bd31267638b664", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b357a7b61ce2f76e6f05f42433f780a2cbe35e9b943532e736bd31267638b664", kill_on_drop: false }` [INFO] [stdout] b357a7b61ce2f76e6f05f42433f780a2cbe35e9b943532e736bd31267638b664 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f5bae150766dff69d7635be728223c2dbf93c57c0ff64e609d49cb8ce3415a4 [INFO] running `Command { std: "docker" "start" "-a" "9f5bae150766dff69d7635be728223c2dbf93c57c0ff64e609d49cb8ce3415a4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:31:22 [INFO] [stdout] | [INFO] [stdout] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling objpool v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: assigning to `&T` is undefined behavior, consider using an `UnsafeCell` [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 58 | let ptr = &pool.weak_self as *const Weak> as *mut Weak>; [INFO] [stdout] | ------------------------------------------------------------- casting happened here [INFO] [stdout] 59 | *ptr = Arc::downgrade(&pool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[warn(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:31:22 [INFO] [stdout] | [INFO] [stdout] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:285:33 [INFO] [stdout] | [INFO] [stdout] 285 | assert_eq!(TimeoutError.description(), "wait timed out"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AsMillis` is never used [INFO] [stdout] --> src/lib.rs:196:11 [INFO] [stdout] | [INFO] [stdout] 196 | trait AsMillis { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: assigning to `&T` is undefined behavior, consider using an `UnsafeCell` [INFO] [stdout] --> src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 58 | let ptr = &pool.weak_self as *const Weak> as *mut Weak>; [INFO] [stdout] | ------------------------------------------------------------- casting happened here [INFO] [stdout] 59 | *ptr = Arc::downgrade(&pool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[warn(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "9f5bae150766dff69d7635be728223c2dbf93c57c0ff64e609d49cb8ce3415a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f5bae150766dff69d7635be728223c2dbf93c57c0ff64e609d49cb8ce3415a4", kill_on_drop: false }` [INFO] [stdout] 9f5bae150766dff69d7635be728223c2dbf93c57c0ff64e609d49cb8ce3415a4 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3f2505ee10518ec474e59cd608b507b6227a084f2a84e203794b946e8e95db9b [INFO] running `Command { std: "docker" "start" "-a" "3f2505ee10518ec474e59cd608b507b6227a084f2a84e203794b946e8e95db9b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:31:22 [INFO] [stderr] | [INFO] [stderr] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 31 | constructor: Box T + Send + Sync + 'static>, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: assigning to `&T` is undefined behavior, consider using an `UnsafeCell` [INFO] [stderr] --> src/lib.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 58 | let ptr = &pool.weak_self as *const Weak> as *mut Weak>; [INFO] [stderr] | ------------------------------------------------------------- casting happened here [INFO] [stderr] 59 | *ptr = Arc::downgrade(&pool); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, visit [INFO] [stderr] = note: `#[warn(invalid_reference_casting)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `objpool` (lib) generated 2 warnings (run `cargo fix --lib -p objpool` to apply 1 suggestion) [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:285:33 [INFO] [stderr] | [INFO] [stderr] 285 | assert_eq!(TimeoutError.description(), "wait timed out"); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait `AsMillis` is never used [INFO] [stderr] --> src/lib.rs:196:11 [INFO] [stderr] | [INFO] [stderr] 196 | trait AsMillis { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `objpool` (lib test) generated 4 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/objpool-712b540953ed8783) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::item_debug ... ok [INFO] [stdout] test tests::pool_get_mut ... ok [INFO] [stdout] test tests::pool_debug ... ok [INFO] [stdout] test tests::timeout_error ... ok [INFO] [stdout] test tests::pool_get ... ok [INFO] [stdout] test tests::pool_get_timeout_ok ... ok [INFO] [stdout] test tests::pool_get_timeout_err ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] [stderr] Doc-tests objpool [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 3) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3f2505ee10518ec474e59cd608b507b6227a084f2a84e203794b946e8e95db9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f2505ee10518ec474e59cd608b507b6227a084f2a84e203794b946e8e95db9b", kill_on_drop: false }` [INFO] [stdout] 3f2505ee10518ec474e59cd608b507b6227a084f2a84e203794b946e8e95db9b