[INFO] cloning repository https://github.com/Lol3rrr/free_access [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lol3rrr/free_access" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Ffree_access", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Ffree_access'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f2f94d2d14341d5b097022a7f1d78d8005f76b03 [INFO] testing Lol3rrr/free_access against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLol3rrr%2Ffree_access" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lol3rrr/free_access on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lol3rrr/free_access [INFO] finished tweaking git repo https://github.com/Lol3rrr/free_access [INFO] tweaked toml for git repo https://github.com/Lol3rrr/free_access written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/Lol3rrr/free_access already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-13/source/free_access_macros/Cargo.toml: unused manifest key: package.crate-type [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36f8dec80d6c59c803b4eded69028acadae9d06690d73d105392e6c221dfdc44 [INFO] running `Command { std: "docker" "start" "-a" "36f8dec80d6c59c803b4eded69028acadae9d06690d73d105392e6c221dfdc44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36f8dec80d6c59c803b4eded69028acadae9d06690d73d105392e6c221dfdc44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36f8dec80d6c59c803b4eded69028acadae9d06690d73d105392e6c221dfdc44", kill_on_drop: false }` [INFO] [stdout] 36f8dec80d6c59c803b4eded69028acadae9d06690d73d105392e6c221dfdc44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a57b6df6adbf6416a8ba9d17857f902956a2b01700d7f3ae224f80ca84848b12 [INFO] running `Command { std: "docker" "start" "-a" "a57b6df6adbf6416a8ba9d17857f902956a2b01700d7f3ae224f80ca84848b12", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/free_access_macros/Cargo.toml: unused manifest key: package.crate-type [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling tracing-core v0.1.18 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling free_access_macros v0.1.0 (/opt/rustwide/workdir/free_access_macros) [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling free_access v0.1.0 (/opt/rustwide/workdir/free_access) [INFO] [stdout] warning: unused variable: `hazard_frame` [INFO] [stdout] --> free_access/src/lib.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let hazard_frame = &local.hazard_ptr_frames[ar as usize]; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hazard_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `local_ptrs` [INFO] [stdout] --> free_access/src/lib.rs:134:27 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn restart(&self, local_ptrs: &[&mut *mut N]) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_ptrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> free_access/src/hazard_ptrs.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn clear(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> free_access/src/markstack.rs:147:12 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reset` [INFO] [stdout] --> free_access/src/hazard_ptrs/ptr.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `page_size` [INFO] [stdout] --> free_access/src/allocator/page.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | page_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.33s [INFO] running `Command { std: "docker" "inspect" "a57b6df6adbf6416a8ba9d17857f902956a2b01700d7f3ae224f80ca84848b12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a57b6df6adbf6416a8ba9d17857f902956a2b01700d7f3ae224f80ca84848b12", kill_on_drop: false }` [INFO] [stdout] a57b6df6adbf6416a8ba9d17857f902956a2b01700d7f3ae224f80ca84848b12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b39d561d45a350bbd5f5ea3c9115c55ca9b15328f1c4388a7cc4793574134ea [INFO] running `Command { std: "docker" "start" "-a" "0b39d561d45a350bbd5f5ea3c9115c55ca9b15328f1c4388a7cc4793574134ea", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/free_access_macros/Cargo.toml: unused manifest key: package.crate-type [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling sharded-slab v0.1.1 [INFO] [stderr] Compiling free_access_macros v0.1.0 (/opt/rustwide/workdir/free_access_macros) [INFO] [stdout] warning: unused variable: `hazard_frame` [INFO] [stdout] --> free_access/src/lib.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let hazard_frame = &local.hazard_ptr_frames[ar as usize]; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hazard_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `local_ptrs` [INFO] [stdout] --> free_access/src/lib.rs:134:27 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn restart(&self, local_ptrs: &[&mut *mut N]) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_ptrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `clear` [INFO] [stdout] --> free_access/src/hazard_ptrs.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn clear(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> free_access/src/markstack.rs:147:12 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reset` [INFO] [stdout] --> free_access/src/hazard_ptrs/ptr.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn reset(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `page_size` [INFO] [stdout] --> free_access/src/allocator/page.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | page_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-subscriber v0.2.19 [INFO] [stderr] Compiling free_access v0.1.0 (/opt/rustwide/workdir/free_access) [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> free_access/examples/linked_list.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | data: T, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hazard_frame` [INFO] [stdout] --> free_access/src/lib.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let hazard_frame = &local.hazard_ptr_frames[ar as usize]; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hazard_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `local_ptrs` [INFO] [stdout] --> free_access/src/lib.rs:134:27 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn restart(&self, local_ptrs: &[&mut *mut N]) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_ptrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `page_size` [INFO] [stdout] --> free_access/src/allocator/page.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | page_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> free_access/src/allocator/pool.rs:391:9 [INFO] [stdout] | [INFO] [stdout] 391 | pool.update_phase(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 16.64s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/free_access-ff419f2ac6a74f23) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/free_access_macros-efa40ebfecf776f8) [INFO] running `Command { std: "docker" "inspect" "0b39d561d45a350bbd5f5ea3c9115c55ca9b15328f1c4388a7cc4793574134ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b39d561d45a350bbd5f5ea3c9115c55ca9b15328f1c4388a7cc4793574134ea", kill_on_drop: false }` [INFO] [stdout] 0b39d561d45a350bbd5f5ea3c9115c55ca9b15328f1c4388a7cc4793574134ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d453e6b0b3efaf048f30c78587f3ae261ef258f97f3526b4027ff355673423ef [INFO] running `Command { std: "docker" "start" "-a" "d453e6b0b3efaf048f30c78587f3ae261ef258f97f3526b4027ff355673423ef", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/free_access_macros/Cargo.toml: unused manifest key: package.crate-type [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `hazard_frame` [INFO] [stderr] --> free_access/src/lib.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | let hazard_frame = &local.hazard_ptr_frames[ar as usize]; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hazard_frame` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `local_ptrs` [INFO] [stderr] --> free_access/src/lib.rs:134:27 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn restart(&self, local_ptrs: &[&mut *mut N]) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_ptrs` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> free_access/src/hazard_ptrs.rs:56:12 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn clear(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> free_access/src/markstack.rs:147:12 [INFO] [stderr] | [INFO] [stderr] 147 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `reset` [INFO] [stderr] --> free_access/src/hazard_ptrs/ptr.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn reset(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `page_size` [INFO] [stderr] --> free_access/src/allocator/page.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | page_size: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `free_access` (lib) generated 6 warnings [INFO] [stderr] warning: field is never read: `data` [INFO] [stderr] --> free_access/examples/linked_list.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | data: T, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `page_size` [INFO] [stderr] --> free_access/src/allocator/page.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | page_size: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> free_access/src/allocator/pool.rs:391:9 [INFO] [stderr] | [INFO] [stderr] 391 | pool.update_phase(1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `free_access` (example "linked_list") generated 1 warning [INFO] [stderr] warning: `free_access` (lib test) generated 4 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/free_access-ff419f2ac6a74f23) [INFO] [stdout] [INFO] [stdout] running 33 tests [INFO] [stdout] test allocator::page::node::tests::ptr_stuff ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/free_access_macros-efa40ebfecf776f8) [INFO] [stdout] test allocator::page::tests::marks_marked ... ok [INFO] [stdout] test allocator::page::tests::marks_unmarked ... ok [INFO] [stdout] test allocator::pool::tests::pool_insert ... ok [INFO] [stdout] test allocator::pool::tests::insert_new_pop ... ok [INFO] [stdout] test allocator::pool::tests::pool_insert_multiple ... ok [INFO] [stdout] test allocator::pool::tests::pool_insert_wrong_phase ... ok [INFO] [stdout] test allocator::pool::tests::pool_insert_pop ... ok [INFO] [stdout] test allocator::pool::tests::pool_new ... ok [INFO] [stdout] test allocator::tests::buffer_insert ... ok [INFO] [stdout] test allocator::tests::buffer_insert_pop ... ok [INFO] [stdout] test allocator::tests::buffer_is_empty ... ok [INFO] [stdout] test allocator::tests::buffer_multiple_inserts ... ok [INFO] [stdout] test allocator::tests::buffer_new ... ok [INFO] [stdout] test allocator::tests::buffer_pop_empty ... ok [INFO] [stdout] test dirty::tests::dirty_value_from_u64 ... ok [INFO] [stdout] test dirty::tests::dirty_value_to_u64 ... ok [INFO] [stdout] test hazard_ptrs::ptr::tests::new ... ok [INFO] [stdout] test hazard_ptrs::ptr::tests::new_store ... ok [INFO] [stdout] test hazard_ptrs::ptr::tests::store_reset_store ... ok [INFO] [stdout] test hazard_ptrs::ptr::tests::ptr ... ok [INFO] [stdout] test hazard_ptrs::tests::clear ... ok [INFO] [stdout] test hazard_ptrs::tests::store ... ok [INFO] [stdout] test hazard_ptrs::tests::new ... ok [INFO] [stdout] test hazard_ptrs::tests::store_multiple ... ok [INFO] [stdout] test hazard_ptrs::tests::store_roots ... ok [INFO] [stdout] test markstack::tests::is_empty ... ok [INFO] [stdout] test markstack::tests::iterator ... ok [INFO] [stdout] test markstack::tests::new ... ok [INFO] [stdout] test markstack::tests::peek ... ok [INFO] [stdout] test markstack::tests::pop_empty ... ok [INFO] [stdout] test markstack::tests::push_multiple ... ok [INFO] [stdout] test markstack::tests::push_pop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests free_access [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests free_access_macros [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d453e6b0b3efaf048f30c78587f3ae261ef258f97f3526b4027ff355673423ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d453e6b0b3efaf048f30c78587f3ae261ef258f97f3526b4027ff355673423ef", kill_on_drop: false }` [INFO] [stdout] d453e6b0b3efaf048f30c78587f3ae261ef258f97f3526b4027ff355673423ef