[INFO] crate gc 0.3.3 is already in cache [INFO] extracting crate gc 0.3.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/gc/0.3.3 [INFO] extracting crate gc 0.3.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/gc/0.3.3 [INFO] validating manifest of gc-0.3.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gc-0.3.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/gc/0.3.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking gc-0.3.3 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 050473259c8583448bc15b83d7e4246558804ae2fbc1d1e22688671c492644d5 [INFO] running `"docker" "start" "-a" "050473259c8583448bc15b83d7e4246558804ae2fbc1d1e22688671c492644d5"` [INFO] [stderr] Checking gc v0.3.3 (/opt/crater/workdir) [INFO] [stderr] Compiling synstructure v0.6.1 [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] 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] Finished dev [unoptimized + debuginfo] target(s) in 3.87s [INFO] running `"docker" "inspect" "050473259c8583448bc15b83d7e4246558804ae2fbc1d1e22688671c492644d5"` [INFO] running `"docker" "rm" "-f" "050473259c8583448bc15b83d7e4246558804ae2fbc1d1e22688671c492644d5"` [INFO] [stdout] 050473259c8583448bc15b83d7e4246558804ae2fbc1d1e22688671c492644d5