[INFO] fetching crate gc 0.3.3... [INFO] extracting crate gc 0.3.3 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/gc/0.3.3 [INFO] extracting crate gc 0.3.3 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/gc/0.3.3 [INFO] validating manifest of gc-0.3.3 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gc-0.3.3 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gc-0.3.3 [INFO] finished frobbing gc-0.3.3 [INFO] frobbed toml for gc-0.3.3 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/gc/0.3.3/Cargo.toml [INFO] started frobbing gc-0.3.3 [INFO] finished frobbing gc-0.3.3 [INFO] frobbed toml for gc-0.3.3 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/gc/0.3.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking gc-0.3.3 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/gc/0.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 27392830cbef8a69bb767bc1b04fca5bc230a0524428516eadcb1003820b0d23 [INFO] running `"docker" "start" "-a" "27392830cbef8a69bb767bc1b04fca5bc230a0524428516eadcb1003820b0d23"` [INFO] [stderr] Checking gc v0.3.3 (/opt/crater/workdir) [INFO] [stderr] Compiling gc_derive v0.3.2 [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] 42 | | /// During this phase, attempts to dereference a `Gc` pointer will trigger a panic. [INFO] [stderr] | |______________________________________________________________________________________^ [INFO] [stderr] 43 | thread_local!(pub static GC_DROPPING: Cell = Cell::new(false)); [INFO] [stderr] | --------------------------------------------------------------------- rustdoc does not generate documentation for macro expansions [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:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | /// The garbage collector's internal state. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 61 | / thread_local!(static GC_STATE: RefCell = RefCell::new(GcState { [INFO] [stderr] 62 | | bytes_allocated: 0, [INFO] [stderr] 63 | | threshold: INITIAL_THRESHOLD, [INFO] [stderr] 64 | | boxes_start: None, [INFO] [stderr] 65 | | })); [INFO] [stderr] | |____- rustdoc does not generate documentation for macro expansions [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: 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] 42 | | /// During this phase, attempts to dereference a `Gc` pointer will trigger a panic. [INFO] [stderr] | |______________________________________________________________________________________^ [INFO] [stderr] 43 | thread_local!(pub static GC_DROPPING: Cell = Cell::new(false)); [INFO] [stderr] | --------------------------------------------------------------------- rustdoc does not generate documentation for macro expansions [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:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | /// The garbage collector's internal state. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 61 | / thread_local!(static GC_STATE: RefCell = RefCell::new(GcState { [INFO] [stderr] 62 | | bytes_allocated: 0, [INFO] [stderr] 63 | | threshold: INITIAL_THRESHOLD, [INFO] [stderr] 64 | | boxes_start: None, [INFO] [stderr] 65 | | })); [INFO] [stderr] | |____- rustdoc does not generate documentation for macro expansions [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] Finished dev [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `"docker" "inspect" "27392830cbef8a69bb767bc1b04fca5bc230a0524428516eadcb1003820b0d23"` [INFO] running `"docker" "rm" "-f" "27392830cbef8a69bb767bc1b04fca5bc230a0524428516eadcb1003820b0d23"` [INFO] [stdout] 27392830cbef8a69bb767bc1b04fca5bc230a0524428516eadcb1003820b0d23