[INFO] fetching crate bronze_gc 0.1.0... [INFO] checking bronze_gc-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate bronze_gc 0.1.0 into /workspace/builds/worker-89/source [INFO] validating manifest of crates.io crate bronze_gc 0.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-89/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded multiset v0.0.5 [INFO] [stderr] Downloaded bronze_derive v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c325f6e89638fd8c3d08636297b9802bfb45a9f0fdbf07f3a4a1d106cf018419 [INFO] running `Command { std: "docker" "start" "-a" "c325f6e89638fd8c3d08636297b9802bfb45a9f0fdbf07f3a4a1d106cf018419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c325f6e89638fd8c3d08636297b9802bfb45a9f0fdbf07f3a4a1d106cf018419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c325f6e89638fd8c3d08636297b9802bfb45a9f0fdbf07f3a4a1d106cf018419", kill_on_drop: false }` [INFO] [stdout] c325f6e89638fd8c3d08636297b9802bfb45a9f0fdbf07f3a4a1d106cf018419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 372860acf6ed6ac1ac2e77edca0d317d3ae3a5ae3c2794ee6b9d4be320d682a2 [INFO] running `Command { std: "docker" "start" "-a" "372860acf6ed6ac1ac2e77edca0d317d3ae3a5ae3c2794ee6b9d4be320d682a2", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] proc-macro2 v1.0.28 (as host dependency): default, proc-macro [INFO] [stderr] quote v1.0.9 (as host dependency): default, proc-macro [INFO] [stderr] [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Checking multiset v0.0.5 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking object v0.26.1 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Compiling bronze_derive v0.1.0 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stderr] Compiling bronze_gc v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating build.rs from 2018 edition to 2021 [INFO] [stderr] Fixed build.rs (2 fixes) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/lib.rs (1 fix) [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: `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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating tests/tests.rs from 2018 edition to 2021 [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: `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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed tests/tests.rs (2 fixes) [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.36s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking object v0.26.1 [INFO] [stderr] Compiling bronze_gc v0.1.0 (/tmp/fixit) [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: `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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking backtrace v0.3.61 [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: 11 warnings emitted [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: `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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.98s [INFO] running `Command { std: "docker" "inspect" "372860acf6ed6ac1ac2e77edca0d317d3ae3a5ae3c2794ee6b9d4be320d682a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "372860acf6ed6ac1ac2e77edca0d317d3ae3a5ae3c2794ee6b9d4be320d682a2", kill_on_drop: false }` [INFO] [stdout] 372860acf6ed6ac1ac2e77edca0d317d3ae3a5ae3c2794ee6b9d4be320d682a2