[INFO] crate gc 0.3.3 is already in cache [INFO] checking gc-0.3.3 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] extracting crate gc 0.3.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate gc 0.3.3 on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gc_derive v0.3.4 [INFO] running `"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" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f7c7032ae2e2c05dfddeef88b93502b2f2cc5d021f408d5188c1c3df0bed9375 [INFO] running `"docker" "start" "-a" "f7c7032ae2e2c05dfddeef88b93502b2f2cc5d021f408d5188c1c3df0bed9375"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking 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 macro invocations [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` pointer will trigger a panic. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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 macro invocations [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>>, [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>>, [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>>, [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>, [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>>) -> Vec { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling gc_derive v0.3.4 [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 macro invocations [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` pointer will trigger a panic. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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 macro invocations [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>>, [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>>, [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>>, [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>, [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>>) -> Vec { [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 18.16s [INFO] running `"docker" "inspect" "f7c7032ae2e2c05dfddeef88b93502b2f2cc5d021f408d5188c1c3df0bed9375"` [INFO] running `"docker" "rm" "-f" "f7c7032ae2e2c05dfddeef88b93502b2f2cc5d021f408d5188c1c3df0bed9375"` [INFO] [stdout] f7c7032ae2e2c05dfddeef88b93502b2f2cc5d021f408d5188c1c3df0bed9375