[INFO] crate gc 0.3.3 is already in cache
[INFO] testing gc-0.3.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate gc 0.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gc 0.3.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gc 0.3.3
[INFO] finished tweaking crates.io crate gc 0.3.3
[INFO] tweaked toml for crates.io crate gc 0.3.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffe206651f71ef56824b45bc3be7d4f3ae526d78ae3d7c4b7f5324be0532bbfc
[INFO] running `"docker" "start" "-a" "ffe206651f71ef56824b45bc3be7d4f3ae526d78ae3d7c4b7f5324be0532bbfc"`
[INFO] [stderr]    Compiling gc v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Whether or not the thread is currently in the sweep phase of garbage collection.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// During this phase, attempts to dereference a `Gc<T>` pointer will trigger a panic.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// The garbage collector's internal state.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:18:39
[INFO] [stderr]    |
[INFO] [stderr] 18 |     boxes_start: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |     next: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:155:45
[INFO] [stderr]     |
[INFO] [stderr] 155 |         incoming: *mut Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:156:29
[INFO] [stderr]     |
[INFO] [stderr] 156 |         this: NonNull<GcBox<Trace>>,
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:158:52
[INFO] [stderr]     |
[INFO] [stderr] 158 |     unsafe fn mark(head: &mut Option<NonNull<GcBox<Trace>>>) -> Vec<Unmarked> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "ffe206651f71ef56824b45bc3be7d4f3ae526d78ae3d7c4b7f5324be0532bbfc"`
[INFO] running `"docker" "rm" "-f" "ffe206651f71ef56824b45bc3be7d4f3ae526d78ae3d7c4b7f5324be0532bbfc"`
[INFO] [stdout] ffe206651f71ef56824b45bc3be7d4f3ae526d78ae3d7c4b7f5324be0532bbfc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65130360bb645d9cf239027dfad1c6cc21400b108cae6bef9387ded874278716
[INFO] running `"docker" "start" "-a" "65130360bb645d9cf239027dfad1c6cc21400b108cae6bef9387ded874278716"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Whether or not the thread is currently in the sweep phase of garbage collection.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// During this phase, attempts to dereference a `Gc<T>` pointer will trigger a panic.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// The garbage collector's internal state.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:18:39
[INFO] [stderr]    |
[INFO] [stderr] 18 |     boxes_start: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |     next: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:155:45
[INFO] [stderr]     |
[INFO] [stderr] 155 |         incoming: *mut Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:156:29
[INFO] [stderr]     |
[INFO] [stderr] 156 |         this: NonNull<GcBox<Trace>>,
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:158:52
[INFO] [stderr]     |
[INFO] [stderr] 158 |     unsafe fn mark(head: &mut Option<NonNull<GcBox<Trace>>>) -> Vec<Unmarked> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling gc_derive v0.3.2
[INFO] [stderr]    Compiling gc v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Whether or not the thread is currently in the sweep phase of garbage collection.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// During this phase, attempts to dereference a `Gc<T>` pointer will trigger a panic.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// The garbage collector's internal state.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:18:39
[INFO] [stderr]    |
[INFO] [stderr] 18 |     boxes_start: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |     next: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:155:45
[INFO] [stderr]     |
[INFO] [stderr] 155 |         incoming: *mut Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:156:29
[INFO] [stderr]     |
[INFO] [stderr] 156 |         this: NonNull<GcBox<Trace>>,
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:158:52
[INFO] [stderr]     |
[INFO] [stderr] 158 |     unsafe fn mark(head: &mut Option<NonNull<GcBox<Trace>>>) -> Vec<Unmarked> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.85s
[INFO] running `"docker" "inspect" "65130360bb645d9cf239027dfad1c6cc21400b108cae6bef9387ded874278716"`
[INFO] running `"docker" "rm" "-f" "65130360bb645d9cf239027dfad1c6cc21400b108cae6bef9387ded874278716"`
[INFO] [stdout] 65130360bb645d9cf239027dfad1c6cc21400b108cae6bef9387ded874278716
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dc5a984d3ae2ffe729936e51cd40fa803a31108856a6e30defc632df35faa4a
[INFO] running `"docker" "start" "-a" "3dc5a984d3ae2ffe729936e51cd40fa803a31108856a6e30defc632df35faa4a"`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Whether or not the thread is currently in the sweep phase of garbage collection.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// During this phase, attempts to dereference a `Gc<T>` pointer will trigger a panic.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// The garbage collector's internal state.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:18:39
[INFO] [stderr]    |
[INFO] [stderr] 18 |     boxes_start: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |     next: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:155:45
[INFO] [stderr]     |
[INFO] [stderr] 155 |         incoming: *mut Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:156:29
[INFO] [stderr]     |
[INFO] [stderr] 156 |         this: NonNull<GcBox<Trace>>,
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:158:52
[INFO] [stderr]     |
[INFO] [stderr] 158 |     unsafe fn mark(head: &mut Option<NonNull<GcBox<Trace>>>) -> Vec<Unmarked> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | /// Whether or not the thread is currently in the sweep phase of garbage collection.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// During this phase, attempts to dereference a `Gc<T>` pointer will trigger a panic.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/gc.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// The garbage collector's internal state.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:18:39
[INFO] [stderr]    |
[INFO] [stderr] 18 |     boxes_start: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gc.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |     next: Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:155:45
[INFO] [stderr]     |
[INFO] [stderr] 155 |         incoming: *mut Option<NonNull<GcBox<Trace>>>,
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:156:29
[INFO] [stderr]     |
[INFO] [stderr] 156 |         this: NonNull<GcBox<Trace>>,
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gc.rs:158:52
[INFO] [stderr]     |
[INFO] [stderr] 158 |     unsafe fn mark(head: &mut Option<NonNull<GcBox<Trace>>>) -> Vec<Unmarked> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Trace`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc-7079a22f3a2dd100
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/finalize-705449b3d4c9b489
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test drop_triggers_finalize ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gc_semantics-6f768f5003155d95
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic_cycle_allocate ... ok
[INFO] [stdout] test gccell_rooting ... ok
[INFO] [stdout] test basic_allocate ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gymnastics_cycle-54f835190e13f881
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_cycle ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i128-5332f8e0066386f6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trace_impl-bbcce58344a8d17f
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests gc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Gc<T>::new (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::from_raw (line 160) ... ok
[INFO] [stdout] test src/lib.rs - Gc<T>::into_raw (line 134) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3dc5a984d3ae2ffe729936e51cd40fa803a31108856a6e30defc632df35faa4a"`
[INFO] running `"docker" "rm" "-f" "3dc5a984d3ae2ffe729936e51cd40fa803a31108856a6e30defc632df35faa4a"`
[INFO] [stdout] 3dc5a984d3ae2ffe729936e51cd40fa803a31108856a6e30defc632df35faa4a