[INFO] fetching crate spsc-bip-buffer 0.2.1... [INFO] testing spsc-bip-buffer-0.2.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate spsc-bip-buffer 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate spsc-bip-buffer 0.2.1 [INFO] finished tweaking crates.io crate spsc-bip-buffer 0.2.1 [INFO] tweaked toml for crates.io crate spsc-bip-buffer 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate spsc-bip-buffer 0.2.1 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding core_affinity v0.5.10 (available: v0.8.3) [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.2) [INFO] [stderr] Adding streaming-harness-hdrhist v0.2.1 (available: v0.4.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 619a2cd2bc71f2e92fe3f626d0c92032eb076d214a7f598dea2a9386ed1fc7a1 [INFO] running `Command { std: "docker" "start" "-a" "619a2cd2bc71f2e92fe3f626d0c92032eb076d214a7f598dea2a9386ed1fc7a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "619a2cd2bc71f2e92fe3f626d0c92032eb076d214a7f598dea2a9386ed1fc7a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "619a2cd2bc71f2e92fe3f626d0c92032eb076d214a7f598dea2a9386ed1fc7a1", kill_on_drop: false }` [INFO] [stdout] 619a2cd2bc71f2e92fe3f626d0c92032eb076d214a7f598dea2a9386ed1fc7a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 96dfe9b5da10dcc9faa958676f2cf47238615acba79f4ddb207cd55a869f2ba6 [INFO] running `Command { std: "docker" "start" "-a" "96dfe9b5da10dcc9faa958676f2cf47238615acba79f4ddb207cd55a869f2ba6", kill_on_drop: false }` [INFO] [stderr] Compiling cache_line_size v1.0.0 [INFO] [stderr] Compiling spsc-bip-buffer v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | sequestered: Box, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 37 | sequestered: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "96dfe9b5da10dcc9faa958676f2cf47238615acba79f4ddb207cd55a869f2ba6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96dfe9b5da10dcc9faa958676f2cf47238615acba79f4ddb207cd55a869f2ba6", kill_on_drop: false }` [INFO] [stdout] 96dfe9b5da10dcc9faa958676f2cf47238615acba79f4ddb207cd55a869f2ba6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 02317b92c84d445a8ca39638407eaa0c8919e4c411e8b0f6069114e05f5cb51f [INFO] running `Command { std: "docker" "start" "-a" "02317b92c84d445a8ca39638407eaa0c8919e4c411e8b0f6069114e05f5cb51f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling streaming-harness-hdrhist v0.2.1 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | sequestered: Box, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 37 | sequestered: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling core_affinity v0.5.10 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling spsc-bip-buffer v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | sequestered: Box, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 37 | sequestered: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:471:21 [INFO] [stdout] | [INFO] [stdout] 471 | &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [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] 471 | let _ = &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:481:21 [INFO] [stdout] | [INFO] [stdout] 481 | &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 481 | let _ = &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.94s [INFO] running `Command { std: "docker" "inspect" "02317b92c84d445a8ca39638407eaa0c8919e4c411e8b0f6069114e05f5cb51f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02317b92c84d445a8ca39638407eaa0c8919e4c411e8b0f6069114e05f5cb51f", kill_on_drop: false }` [INFO] [stdout] 02317b92c84d445a8ca39638407eaa0c8919e4c411e8b0f6069114e05f5cb51f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8458e0e158e307290ef302c08022301f8bd55d33054410b348de0d09f50fc2ac [INFO] running `Command { std: "docker" "start" "-a" "8458e0e158e307290ef302c08022301f8bd55d33054410b348de0d09f50fc2ac", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:37:22 [INFO] [stderr] | [INFO] [stderr] 37 | sequestered: Box, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) 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] 37 | sequestered: Box, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `spsc-bip-buffer` (lib) generated 1 warning (run `cargo fix --lib -p spsc-bip-buffer` to apply 1 suggestion) [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:471:21 [INFO] [stderr] | [INFO] [stderr] 471 | &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 471 | let _ = &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:481:21 [INFO] [stderr] | [INFO] [stderr] 481 | &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 481 | let _ = &mut msg[..].copy_from_slice(&[i; MSG_LENGTH as usize][..]); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `spsc-bip-buffer` (lib test) generated 3 warnings (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spsc_bip_buffer-0b70a44f912a0edc) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::provided_storage_still_alive ... ok [INFO] [stdout] test tests::provided_storage ... ok [INFO] [stdout] test tests::spsc ... ok [INFO] [stdout] test tests::provided_storage_wrong_type - should panic ... ok [INFO] [stdout] test tests::basic ... ok [INFO] [stdout] test tests::static_prime_length ... ok [INFO] [stdout] test tests::random_length ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s [INFO] [stdout] [INFO] [stderr] Doc-tests spsc_bip_buffer [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - BipBufferWriterReservation (line 245) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/lib.rs - BipBufferWriterReservation (line 258) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8458e0e158e307290ef302c08022301f8bd55d33054410b348de0d09f50fc2ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8458e0e158e307290ef302c08022301f8bd55d33054410b348de0d09f50fc2ac", kill_on_drop: false }` [INFO] [stdout] 8458e0e158e307290ef302c08022301f8bd55d33054410b348de0d09f50fc2ac