[INFO] cloning repository https://github.com/NuclearOreo/low-level-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NuclearOreo/low-level-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuclearOreo%2Flow-level-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuclearOreo%2Flow-level-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd8a309cf5da05cca90fbe125127dcbd8ab3ed13
[INFO] testing NuclearOreo/low-level-concurrency against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuclearOreo%2Flow-level-concurrency" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NuclearOreo/low-level-concurrency on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NuclearOreo/low-level-concurrency
[INFO] finished tweaking git repo https://github.com/NuclearOreo/low-level-concurrency
[INFO] tweaked toml for git repo https://github.com/NuclearOreo/low-level-concurrency written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NuclearOreo/low-level-concurrency 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a5dc9f495dc91ae1dc4e86ec2c4944b93f743239e30d61c2906a5b9da5cc7c
[INFO] running `Command { std: "docker" "start" "-a" "34a5dc9f495dc91ae1dc4e86ec2c4944b93f743239e30d61c2906a5b9da5cc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a5dc9f495dc91ae1dc4e86ec2c4944b93f743239e30d61c2906a5b9da5cc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a5dc9f495dc91ae1dc4e86ec2c4944b93f743239e30d61c2906a5b9da5cc7c", kill_on_drop: false }`
[INFO] [stdout] 34a5dc9f495dc91ae1dc4e86ec2c4944b93f743239e30d61c2906a5b9da5cc7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1262fefeae9b8ea620cf4df439234c2d27788809eede709bd85ab658456b258
[INFO] running `Command { std: "docker" "start" "-a" "c1262fefeae9b8ea620cf4df439234c2d27788809eede709bd85ab658456b258", kill_on_drop: false }`
[INFO] [stderr]    Compiling low-level-concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "c1262fefeae9b8ea620cf4df439234c2d27788809eede709bd85ab658456b258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1262fefeae9b8ea620cf4df439234c2d27788809eede709bd85ab658456b258", kill_on_drop: false }`
[INFO] [stdout] c1262fefeae9b8ea620cf4df439234c2d27788809eede709bd85ab658456b258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac45c10c3199868246d53e0ca03b18e54196ae26e84e53579264e855eb6de53
[INFO] running `Command { std: "docker" "start" "-a" "bac45c10c3199868246d53e0ca03b18e54196ae26e84e53579264e855eb6de53", kill_on_drop: false }`
[INFO] [stderr]    Compiling low-level-concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `get_mut` is never used
[INFO] [stdout]   --> src/chapter_6/basic_reference_counting.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     impl<T> Arc<T> {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |         pub fn get_mut(arc: &mut Self) -> Option<&mut T> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_mut` is never used
[INFO] [stdout]   --> src/chapter_6/optimizing.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     impl<T> Arc<T> {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |         pub fn get_mut(arc: &mut Self) -> Option<&mut T> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_mut` is never used
[INFO] [stdout]   --> src/chapter_6/weak_pointers.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     impl<T> Arc<T> {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |         pub fn get_mut(arc: &mut Self) -> Option<&mut T> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/chapter_3/sequentially_consistent_ordering.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     S.push('!');
[INFO] [stdout]    |                     ^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/chapter_3/sequentially_consistent_ordering.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     S.push('!');
[INFO] [stdout]    |                     ^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/chapter_3/sequentially_consistent_ordering.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(unsafe { S.len() }, 1);
[INFO] [stdout]    |                             ^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "bac45c10c3199868246d53e0ca03b18e54196ae26e84e53579264e855eb6de53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac45c10c3199868246d53e0ca03b18e54196ae26e84e53579264e855eb6de53", kill_on_drop: false }`
[INFO] [stdout] bac45c10c3199868246d53e0ca03b18e54196ae26e84e53579264e855eb6de53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c350320f861e503a63c2a56b4c274db50ea60091f9f672c3f2d16ec29599f18f
[INFO] running `Command { std: "docker" "start" "-a" "c350320f861e503a63c2a56b4c274db50ea60091f9f672c3f2d16ec29599f18f", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `get_mut` is never used
[INFO] [stderr]   --> src/chapter_6/basic_reference_counting.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     impl<T> Arc<T> {
[INFO] [stderr]    |     -------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 34 |         pub fn get_mut(arc: &mut Self) -> Option<&mut T> {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_mut` is never used
[INFO] [stderr]   --> src/chapter_6/optimizing.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 33 |     impl<T> Arc<T> {
[INFO] [stderr]    |     -------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 48 |         pub fn get_mut(arc: &mut Self) -> Option<&mut T> {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_mut` is never used
[INFO] [stderr]   --> src/chapter_6/weak_pointers.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     impl<T> Arc<T> {
[INFO] [stderr]    |     -------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |         pub fn get_mut(arc: &mut Self) -> Option<&mut T> {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stderr]   --> src/chapter_3/sequentially_consistent_ordering.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     S.push('!');
[INFO] [stderr]    |                     ^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stderr]   --> src/chapter_3/sequentially_consistent_ordering.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     S.push('!');
[INFO] [stderr]    |                     ^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 39 tests
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static is discouraged
[INFO] [stderr]   --> src/chapter_3/sequentially_consistent_ordering.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |         assert_eq!(unsafe { S.len() }, 1);
[INFO] [stderr]    |                             ^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr] 
[INFO] [stderr] warning: `low-level-concurrency` (lib test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/low_level_concurrency-1d9b797033876d80)
[INFO] [stdout] test chapter_1::basics::tests::spawn_threads_with_closure ... ok
[INFO] [stdout] test chapter_1::basics::tests::get_average_using_threads ... ok
[INFO] [stdout] test chapter_1::scoped_threads::tests::scoped_threads ... ok
[INFO] [stdout] test chapter_1::shared_ownership_and_reference_counting::tests::shared_ownership_with_arc ... ok
[INFO] [stdout] test chapter_2::atomic_load_and_store_operations::test::get_x ... ok
[INFO] [stdout] test chapter_1::shared_ownership_and_reference_counting::tests::shared_ownership_with_statics ... ok
[INFO] [stdout] test chapter_1::shared_ownership_and_reference_counting::tests::shared_ownership_with_leaky_references ... ok
[INFO] [stdout] test chapter_1::basics::tests::spawn_threads_with_join ... ok
[INFO] [stdout] test chapter_1::mutex_examples::test::accumulating_with_mutex ... ok
[INFO] [stdout] test chapter_3::happen_before_relationship::test::only_1_and_2 ... ok
[INFO] [stdout] test chapter_2::compare_and_exchange_operations::test::get_key_with_compare_exchange ... ok
[INFO] [stdout] test chapter_3::release_and_acquire_ordering::test::guarantee_not_zero_unsafe ... ok
[INFO] [stdout] test chapter_3::sequentially_consistent_ordering::test::sequentially_consistent_ordering ... ok
[INFO] [stdout] test chapter_4::spinlock_minimal_implementation::test::f ... ok
[INFO] [stdout] test chapter_4::spinlock_complete_implementation::test::f ... ok
[INFO] [stdout] test chapter_5::blocking::test::test_channel ... ok
[INFO] [stdout] test chapter_5::borrowing_to_avoid_allocation::test::test_channel ... ok
[INFO] [stdout] test chapter_4::spinlock_unsafe_implementation::test::f ... ok
[INFO] [stdout] test chapter_5::safety_through_types::test::test_channel ... ok
[INFO] [stdout] test chapter_5::simple_mutex_based_channel::test::testing_channel ... ok
[INFO] [stdout] test chapter_5::safety_through_runtime_checks::test::test_channel ... ok
[INFO] [stdout] test chapter_5::unsafe_oneshot_channel::test::test_channel ... ok
[INFO] [stdout] test chapter_6::basic_reference_counting::test::test ... ok
[INFO] [stdout] test chapter_6::weak_pointers::test::test ... ok
[INFO] [stdout] test chapter_3::locking::test::locking ... ok
[INFO] [stdout] test chapter_6::optimizing::test::test ... ok
[INFO] [stdout] test chapter_3::lazy_initialization_indirection::test::lazy_initialization_with_indirection ... ok
[INFO] [stdout] test chapter_3::release_and_acquire_ordering::test::guarantee_not_zero ... FAILED
[INFO] [stdout] test chapter_2::compare_and_exchange_operations::test::id_allocation_without_overflow ... ok
[INFO] [stdout] test chapter_2::fetch_and_modify_operations::test::statistics ... ok
[INFO] [stdout] test chapter_3::fences::test::fences ... ok
[INFO] [stdout] test chapter_2::fetch_and_modify_operations::test::progress_reporting_with_multiple_threads ... ok
[INFO] [stdout] test chapter_1::basics::tests::spawn_threads ... ok
[INFO] [stdout] test chapter_2::atomic_load_and_store_operations::test::stop_flag ... ok
[INFO] [stdout] test chapter_2::atomic_load_and_store_operations::test::progress_reporting_with_parking ... ok
[INFO] [stdout] test chapter_3::happen_before_relationship::test::happen_before_example ... ok
[INFO] [stdout] test chapter_2::atomic_load_and_store_operations::test::progress_reporting ... ok
[INFO] [stdout] test chapter_1::mutex_examples::test::parking_threads has been running for over 60 seconds
[INFO] [stdout] test chapter_1::mutex_examples::test::thread_conditional has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c350320f861e503a63c2a56b4c274db50ea60091f9f672c3f2d16ec29599f18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c350320f861e503a63c2a56b4c274db50ea60091f9f672c3f2d16ec29599f18f", kill_on_drop: false }`
[INFO] [stdout] c350320f861e503a63c2a56b4c274db50ea60091f9f672c3f2d16ec29599f18f
