[INFO] fetching crate bronze_gc 0.1.0... [INFO] testing bronze_gc-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate bronze_gc 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate bronze_gc 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bronze_gc 0.1.0 [INFO] finished tweaking crates.io crate bronze_gc 0.1.0 [INFO] tweaked toml for crates.io crate bronze_gc 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d2fba16d7d24ff1f67fc4262dc22088fa92a8f60add20b549017e8a7104d75a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4d2fba16d7d24ff1f67fc4262dc22088fa92a8f60add20b549017e8a7104d75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d2fba16d7d24ff1f67fc4262dc22088fa92a8f60add20b549017e8a7104d75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d2fba16d7d24ff1f67fc4262dc22088fa92a8f60add20b549017e8a7104d75a", kill_on_drop: false }` [INFO] [stdout] 4d2fba16d7d24ff1f67fc4262dc22088fa92a8f60add20b549017e8a7104d75a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6bf130c111827c1493e7944f417315fc84f051c4f4716e1c5cff32c8df0ecd07 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6bf130c111827c1493e7944f417315fc84f051c4f4716e1c5cff32c8df0ecd07", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling multiset v0.0.5 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.8.3 [INFO] [stderr] Compiling bronze_gc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> build.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> build.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ffi::c_void` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use core::ffi::c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `USED_SPACE_RATIO` [INFO] [stdout] --> src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `threshold` [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | threshold: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nonnull_boxes_start` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | nonnull_boxes_start: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vtable` [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | vtable: *mut Vtable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `marked` [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | marked: Cell, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `header` [INFO] [stdout] --> src/lib.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | header: GcBoxHeader, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `trace_inner` [INFO] [stdout] --> src/lib.rs:137:26 [INFO] [stdout] | [INFO] [stdout] 137 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erased` [INFO] [stdout] --> src/lib.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn erased(&self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dyn_data` [INFO] [stdout] --> src/lib.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_box` [INFO] [stdout] --> src/lib.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | pub(crate) fn as_box<'a> (&'a self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NullableBoxRef` [INFO] [stdout] --> src/lib.rs:420:5 [INFO] [stdout] | [INFO] [stdout] 420 | NullableBoxRef(NonNull>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.26s [INFO] running `Command { std: "docker" "inspect" "6bf130c111827c1493e7944f417315fc84f051c4f4716e1c5cff32c8df0ecd07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bf130c111827c1493e7944f417315fc84f051c4f4716e1c5cff32c8df0ecd07", kill_on_drop: false }` [INFO] [stdout] 6bf130c111827c1493e7944f417315fc84f051c4f4716e1c5cff32c8df0ecd07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c430c45ff5ef86396c264427ef9828dc68dffdfc96ed0b540ddf72150089516 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1c430c45ff5ef86396c264427ef9828dc68dffdfc96ed0b540ddf72150089516", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling object v0.25.2 [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> build.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> build.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ffi::c_void` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use core::ffi::c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `USED_SPACE_RATIO` [INFO] [stdout] --> src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `threshold` [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | threshold: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nonnull_boxes_start` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | nonnull_boxes_start: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vtable` [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | vtable: *mut Vtable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `marked` [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | marked: Cell, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `header` [INFO] [stdout] --> src/lib.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | header: GcBoxHeader, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `trace_inner` [INFO] [stdout] --> src/lib.rs:137:26 [INFO] [stdout] | [INFO] [stdout] 137 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erased` [INFO] [stdout] --> src/lib.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn erased(&self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dyn_data` [INFO] [stdout] --> src/lib.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_box` [INFO] [stdout] --> src/lib.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | pub(crate) fn as_box<'a> (&'a self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NullableBoxRef` [INFO] [stdout] --> src/lib.rs:420:5 [INFO] [stdout] | [INFO] [stdout] 420 | NullableBoxRef(NonNull>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Compiling bronze_derive v0.1.0 [INFO] [stderr] Compiling serial_test v0.5.1 [INFO] [stderr] Compiling bronze_gc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::ffi::c_void` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use core::ffi::c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `backtrace::Backtrace` [INFO] [stdout] --> tests/tests.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use backtrace::Backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `USED_SPACE_RATIO` [INFO] [stdout] --> src/lib.rs:41:1 [INFO] [stdout] | [INFO] [stdout] 41 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `threshold` [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | threshold: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nonnull_boxes_start` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | nonnull_boxes_start: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vtable` [INFO] [stdout] --> src/lib.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | vtable: *mut Vtable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `marked` [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | marked: Cell, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `header` [INFO] [stdout] --> src/lib.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | header: GcBoxHeader, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `trace_inner` [INFO] [stdout] --> src/lib.rs:137:26 [INFO] [stdout] | [INFO] [stdout] 137 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erased` [INFO] [stdout] --> src/lib.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn erased(&self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dyn_data` [INFO] [stdout] --> src/lib.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_box` [INFO] [stdout] --> src/lib.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | pub(crate) fn as_box<'a> (&'a self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NullableBoxRef` [INFO] [stdout] --> src/lib.rs:420:5 [INFO] [stdout] | [INFO] [stdout] 420 | NullableBoxRef(NonNull>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `refs` [INFO] [stdout] --> tests/tests.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | let refs = TenRefs{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_refs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `alloc_one_tracked_obj` [INFO] [stdout] --> tests/tests.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn alloc_one_tracked_obj(tracker: Rc>) -> GcRef { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r1` [INFO] [stdout] --> tests/tests.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 165 | r1: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r2` [INFO] [stdout] --> tests/tests.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | r2: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r3` [INFO] [stdout] --> tests/tests.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | r3: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r4` [INFO] [stdout] --> tests/tests.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | r4: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r5` [INFO] [stdout] --> tests/tests.rs:169:5 [INFO] [stdout] | [INFO] [stdout] 169 | r5: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r6` [INFO] [stdout] --> tests/tests.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 170 | r6: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r7` [INFO] [stdout] --> tests/tests.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | r7: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r8` [INFO] [stdout] --> tests/tests.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | r8: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r9` [INFO] [stdout] --> tests/tests.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | r9: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r10` [INFO] [stdout] --> tests/tests.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | r10: GcRef, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.58s [INFO] running `Command { std: "docker" "inspect" "1c430c45ff5ef86396c264427ef9828dc68dffdfc96ed0b540ddf72150089516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c430c45ff5ef86396c264427ef9828dc68dffdfc96ed0b540ddf72150089516", kill_on_drop: false }` [INFO] [stdout] 1c430c45ff5ef86396c264427ef9828dc68dffdfc96ed0b540ddf72150089516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 194443c774db2e6e63341471e22ecdeee131c5bb6216d7c2542ae81afc04aa21 [INFO] running `Command { std: "docker" "start" "-a" "194443c774db2e6e63341471e22ecdeee131c5bb6216d7c2542ae81afc04aa21", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> build.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> build.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::ffi::c_void` [INFO] [stderr] --> src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use core::ffi::c_void; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `USED_SPACE_RATIO` [INFO] [stderr] --> src/lib.rs:41:1 [INFO] [stderr] | [INFO] [stderr] 41 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `threshold` [INFO] [stderr] --> src/lib.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | threshold: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `nonnull_boxes_start` [INFO] [stderr] --> src/lib.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | nonnull_boxes_start: Option>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `vtable` [INFO] [stderr] --> src/lib.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | vtable: *mut Vtable, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `marked` [INFO] [stderr] --> src/lib.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | marked: Cell, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `header` [INFO] [stderr] --> src/lib.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | header: GcBoxHeader, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `trace_inner` [INFO] [stderr] --> src/lib.rs:137:26 [INFO] [stderr] | [INFO] [stderr] 137 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `erased` [INFO] [stderr] --> src/lib.rs:149:8 [INFO] [stderr] | [INFO] [stderr] 149 | fn erased(&self) -> &GcBox { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dyn_data` [INFO] [stderr] --> src/lib.rs:159:8 [INFO] [stderr] | [INFO] [stderr] 159 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `as_box` [INFO] [stderr] --> src/lib.rs:276:19 [INFO] [stderr] | [INFO] [stderr] 276 | pub(crate) fn as_box<'a> (&'a self) -> &GcBox { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `NullableBoxRef` [INFO] [stderr] --> src/lib.rs:420:5 [INFO] [stderr] | [INFO] [stderr] 420 | NullableBoxRef(NonNull>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::ffi::c_void` [INFO] [stderr] --> src/lib.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use core::ffi::c_void; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `USED_SPACE_RATIO` [INFO] [stderr] --> src/lib.rs:41:1 [INFO] [stderr] | [INFO] [stderr] 41 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `threshold` [INFO] [stderr] --> src/lib.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | threshold: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `nonnull_boxes_start` [INFO] [stderr] --> src/lib.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | nonnull_boxes_start: Option>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `vtable` [INFO] [stderr] --> src/lib.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | vtable: *mut Vtable, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `marked` [INFO] [stderr] --> src/lib.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | marked: Cell, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `header` [INFO] [stderr] --> src/lib.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | header: GcBoxHeader, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `trace_inner` [INFO] [stderr] --> src/lib.rs:137:26 [INFO] [stderr] | [INFO] [stderr] 137 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `erased` [INFO] [stderr] --> src/lib.rs:149:8 [INFO] [stderr] | [INFO] [stderr] 149 | fn erased(&self) -> &GcBox { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dyn_data` [INFO] [stderr] --> src/lib.rs:159:8 [INFO] [stderr] | [INFO] [stderr] 159 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `as_box` [INFO] [stderr] --> src/lib.rs:276:19 [INFO] [stderr] | [INFO] [stderr] 276 | pub(crate) fn as_box<'a> (&'a self) -> &GcBox { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `NullableBoxRef` [INFO] [stderr] --> src/lib.rs:420:5 [INFO] [stderr] | [INFO] [stderr] 420 | NullableBoxRef(NonNull>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `backtrace::Backtrace` [INFO] [stderr] --> tests/tests.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use backtrace::Backtrace; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `refs` [INFO] [stderr] --> tests/tests.rs:183:9 [INFO] [stderr] | [INFO] [stderr] 183 | let refs = TenRefs{ [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_refs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `alloc_one_tracked_obj` [INFO] [stderr] --> tests/tests.rs:139:4 [INFO] [stderr] | [INFO] [stderr] 139 | fn alloc_one_tracked_obj(tracker: Rc>) -> GcRef { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r1` [INFO] [stderr] --> tests/tests.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | r1: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r2` [INFO] [stderr] --> tests/tests.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | r2: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r3` [INFO] [stderr] --> tests/tests.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | r3: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r4` [INFO] [stderr] --> tests/tests.rs:168:5 [INFO] [stderr] | [INFO] [stderr] 168 | r4: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r5` [INFO] [stderr] --> tests/tests.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | r5: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r6` [INFO] [stderr] --> tests/tests.rs:170:5 [INFO] [stderr] | [INFO] [stderr] 170 | r6: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r7` [INFO] [stderr] --> tests/tests.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | r7: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r8` [INFO] [stderr] --> tests/tests.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | r8: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r9` [INFO] [stderr] --> tests/tests.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | r9: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r10` [INFO] [stderr] --> tests/tests.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | r10: GcRef, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bronze_gc-516ff6e75072c335) [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] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-01ceba871391723d) [INFO] [stdout] [INFO] [stderr] Doc-tests bronze_gc [INFO] [stdout] running 7 tests [INFO] [stdout] test new_ref ... ok [INFO] [stdout] test boxes ... ok [INFO] [stdout] test ten_allocations ... ok [INFO] [stdout] test one_allocation ... ok [INFO] [stdout] test collect_one_ref ... ok [INFO] [stdout] test collect_two_refs ... ok [INFO] [stdout] test one_ref ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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] running `Command { std: "docker" "inspect" "194443c774db2e6e63341471e22ecdeee131c5bb6216d7c2542ae81afc04aa21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "194443c774db2e6e63341471e22ecdeee131c5bb6216d7c2542ae81afc04aa21", kill_on_drop: false }` [INFO] [stdout] 194443c774db2e6e63341471e22ecdeee131c5bb6216d7c2542ae81afc04aa21