[INFO] fetching crate rsmg-core 0.1.0-alpha.2.0... [INFO] testing rsmg-core-0.1.0-alpha.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate rsmg-core 0.1.0-alpha.2.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate rsmg-core 0.1.0-alpha.2.0 [INFO] finished tweaking crates.io crate rsmg-core 0.1.0-alpha.2.0 [INFO] tweaked toml for crates.io crate rsmg-core 0.1.0-alpha.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rsmg-core 0.1.0-alpha.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rsmg-core 0.1.0-alpha.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c72e9e57047b41e831471a73be3cd536170dbf6a54c22f2268342964f4988a88 [INFO] running `Command { std: "docker" "start" "-a" "c72e9e57047b41e831471a73be3cd536170dbf6a54c22f2268342964f4988a88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c72e9e57047b41e831471a73be3cd536170dbf6a54c22f2268342964f4988a88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c72e9e57047b41e831471a73be3cd536170dbf6a54c22f2268342964f4988a88", kill_on_drop: false }` [INFO] [stdout] c72e9e57047b41e831471a73be3cd536170dbf6a54c22f2268342964f4988a88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ea1a8c0f1c3340de9e3750431628d2d301eee8169c00fe5eb5c892067fb6aef [INFO] running `Command { std: "docker" "start" "-a" "9ea1a8c0f1c3340de9e3750431628d2d301eee8169c00fe5eb5c892067fb6aef", kill_on_drop: false }` [INFO] [stderr] Compiling rsmg-core v0.1.0-alpha.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "9ea1a8c0f1c3340de9e3750431628d2d301eee8169c00fe5eb5c892067fb6aef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ea1a8c0f1c3340de9e3750431628d2d301eee8169c00fe5eb5c892067fb6aef", kill_on_drop: false }` [INFO] [stdout] 9ea1a8c0f1c3340de9e3750431628d2d301eee8169c00fe5eb5c892067fb6aef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2b0fd161460e2af71acfa1d4f0aa837b9011c10ad048f51a12e1238e8cbd54f [INFO] running `Command { std: "docker" "start" "-a" "a2b0fd161460e2af71acfa1d4f0aa837b9011c10ad048f51a12e1238e8cbd54f", kill_on_drop: false }` [INFO] [stderr] Compiling rsmg-core v0.1.0-alpha.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AtomicI32` [INFO] [stdout] --> src/prim/arena.rs:950:34 [INFO] [stdout] | [INFO] [stdout] 950 | atomic::{AtomicBool, AtomicI32}, [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: `Barrier` [INFO] [stdout] --> src/prim/array.rs:513:26 [INFO] [stdout] | [INFO] [stdout] 513 | use std::sync::{Arc, Barrier}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/prim/arena.rs:1467:21 [INFO] [stdout] | [INFO] [stdout] 1467 | let mut new_arena = Arena::::new(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestStruct` is never constructed [INFO] [stdout] --> src/prim/array.rs:518:12 [INFO] [stdout] | [INFO] [stdout] 518 | struct TestStruct { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "a2b0fd161460e2af71acfa1d4f0aa837b9011c10ad048f51a12e1238e8cbd54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2b0fd161460e2af71acfa1d4f0aa837b9011c10ad048f51a12e1238e8cbd54f", kill_on_drop: false }` [INFO] [stdout] a2b0fd161460e2af71acfa1d4f0aa837b9011c10ad048f51a12e1238e8cbd54f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bff6c9997d6ddec01c9e1af5a253c6df2e06c80d24c79007752198362300ab79 [INFO] running `Command { std: "docker" "start" "-a" "bff6c9997d6ddec01c9e1af5a253c6df2e06c80d24c79007752198362300ab79", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `AtomicI32` [INFO] [stdout] [INFO] [stderr] --> src/prim/arena.rs:950:34 [INFO] [stdout] running 57 tests [INFO] [stderr] | [INFO] [stderr] 950 | atomic::{AtomicBool, AtomicI32}, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Barrier` [INFO] [stderr] --> src/prim/array.rs:513:26 [INFO] [stderr] | [INFO] [stderr] 513 | use std::sync::{Arc, Barrier}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prim/arena.rs:1467:21 [INFO] [stderr] | [INFO] [stderr] 1467 | let mut new_arena = Arena::::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `TestStruct` is never constructed [INFO] [stderr] --> src/prim/array.rs:518:12 [INFO] [stderr] | [INFO] [stderr] 518 | struct TestStruct { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `rsmg-core` (lib test) generated 4 warnings (run `cargo fix --lib -p rsmg-core --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rsmg_core-fd13945d61c88296) [INFO] [stdout] test handle2::tests::access_rule ... ok [INFO] [stdout] test handle::tests::test_arc_manipulation ... ok [INFO] [stdout] test prim2::queue::tests::test_enqueue_dequeue ... ok [INFO] [stdout] test handle::tests::test_pointer_manipulation ... ok [INFO] [stdout] test handle2::tests::access_rule_interleaved ... ok [INFO] [stdout] test handle2::tests::allocation_rule ... ok [INFO] [stdout] test prim2::rcarena::tests::delete_hides_slot ... ok [INFO] [stdout] test prim2::rcarena::tests::growth_integrity ... ok [INFO] [stdout] test prim2::rcarena::tests::push_and_get ... ok [INFO] [stdout] test prim2::rcarena::tests::test_iterator_loop ... ok [INFO] [stdout] test prim2::rcarena::tests::reuse_all_slots ... ok [INFO] [stdout] test prim2::rcqueue::tests::test_last_quitter_multi_consumer ... ok [INFO] [stdout] test prim2::rcqueue::tests::test_normal_flow ... ok [INFO] [stdout] test prim2::stack::tests::test_push_pop ... ok [INFO] [stdout] test prim2::queue::tests::test_sentinel_reset_loop ... ok [INFO] [stdout] test prim2::rcarena::tests::test_concurrent_iter ... ok [INFO] [stdout] test prim2::rcarena::tests::test_iterator_behavior ... ok [INFO] [stdout] test prim2::rcarena::tests::test_concurrent_stats ... ok [INFO] [stdout] test prim2::stack::tests::test_push_pop_loop ... ok [INFO] [stdout] test prim::arena::tests::test_arena_fast_hammer_miri ... ok [INFO] [stdout] test prim::arena::tests::test_arena_the_meat_grinder_miri ... ok [INFO] [stdout] test prim2::queue::tests::test_multithreaded_stress ... ok [INFO] [stdout] test prim2::rcarena::tests::reuse_logic ... ok [INFO] [stdout] test prim::arena::tests::test_arena_concurrent_soul_and_element_swap_miri ... ok [INFO] [stdout] test prim::arena::tests::test_smuggle_mutation_via_inspect ... ok [INFO] [stdout] test prim2::rcarena::tests::concurrent_get_delete_race ... ok [INFO] [stdout] test prim2::stack::tests::test_huge_data_integrity ... ok [INFO] [stdout] test prim::arena::tests::test_concurrent_mutation_and_churn ... ok [INFO] [stdout] test prim::arena::tests::test_arena_the_transplanter_miri ... ok [INFO] [stdout] test prim::array::tests::test_concurrency_element_rw_race_hammer ... ok [INFO] [stdout] test prim2::rcarena::tests::concurrent_stress ... ok [INFO] [stdout] test prim::arena::tests::test_concurrent_partitioned_correctness ... ok [INFO] [stdout] test prim::array::tests::test_concurrent_inspect_same_index ... ok [INFO] [stdout] test prim::array::tests::test_contiguous_array_push_pop_integrity_hammer ... ok [INFO] [stdout] test prim2::queue::tests::test_get_top_during_append ... ok [INFO] [stdout] test prim::array::tests::test_ghost_isolation_no_resizing ... ok [INFO] [stdout] test prim2::rcqueue::tests::test_optimistic_reader_retry ... ok [INFO] [stdout] test prim::array::tests::test_push_pop_single ... ok [INFO] [stdout] test prim2::queue::tests::test_get_top_during_append_for_huge_data ... ok [INFO] [stdout] test prim::array::tests::test_metadata_consistency_hammer ... ok [INFO] [stdout] test prim::array::tests::test_push_pop_integrity ... ok [INFO] [stdout] test prim::array::tests::test_pointer_aliasing_signature ... ok [INFO] [stdout] test prim::array::tests::test_inspect_during_pop_of_same_index ... ok [INFO] [stdout] test prim::array::tests::test_concurrency_stable_read_hammer ... ok [INFO] [stdout] test prim::stack::tests::test_basic_push_pop ... ok [INFO] [stdout] test prim::stack::tests::test_inspect ... ok [INFO] [stdout] test prim::array::tests::test_reallocate_push ... ok [INFO] [stdout] test prim::array::tests::test_simple_push ... ok [INFO] [stdout] test prim::array::tests::test_rapid_growth ... ok [INFO] [stdout] test prim::array::tests::test_integrity_concurrent_push ... ok [INFO] [stdout] test prim2::rcqueue::tests::test_concurrent_push_and_read ... ok [INFO] [stdout] test prim::stack::tests::test_concurrency_hammer ... ok [INFO] [stdout] test prim2::stack::tests::test_multithreaded_stress ... ok [INFO] [stdout] test prim::array::tests::test_concurrency_zero_sum_hammer ... ok [INFO] [stdout] test prim::stack::tests::test_concurrency_zero_sum_hammer ... ok [INFO] [stdout] test prim2::rcarena::tests::massive_growth ... ok [INFO] [stdout] test prim::arena::tests::test_chaos_monkey ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s [INFO] [stdout] [INFO] [stderr] Doc-tests rsmg_core [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/prim/array.rs - prim::array::ContiguousArray (line 52) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.52s; merged doctests compilation took 0.51s [INFO] running `Command { std: "docker" "inspect" "bff6c9997d6ddec01c9e1af5a253c6df2e06c80d24c79007752198362300ab79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bff6c9997d6ddec01c9e1af5a253c6df2e06c80d24c79007752198362300ab79", kill_on_drop: false }` [INFO] [stdout] bff6c9997d6ddec01c9e1af5a253c6df2e06c80d24c79007752198362300ab79