[INFO] crate gc 0.3.2 is already in cache [INFO] extracting crate gc 0.3.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/gc/0.3.2 [INFO] extracting crate gc 0.3.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/gc/0.3.2 [INFO] validating manifest of gc-0.3.2 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gc-0.3.2 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gc-0.3.2 [INFO] finished frobbing gc-0.3.2 [INFO] frobbed toml for gc-0.3.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/gc/0.3.2/Cargo.toml [INFO] started frobbing gc-0.3.2 [INFO] finished frobbing gc-0.3.2 [INFO] frobbed toml for gc-0.3.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/gc/0.3.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking gc-0.3.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/gc/0.3.2:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9f4783b54a94cc1f1a41c929602c73ef5f284815027f97093ed8feb4c63a8737 [INFO] running `"docker" "start" "-a" "9f4783b54a94cc1f1a41c929602c73ef5f284815027f97093ed8feb4c63a8737"` [INFO] [stderr] Checking gc v0.3.2 (/opt/crater/workdir) [INFO] [stderr] Compiling gc_derive v0.3.2 [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/gc.rs:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | / /// Whether or not the thread is currently in the sweep phase of garbage collection. [INFO] [stderr] 45 | | /// During this phase, attempts to dereference a `Gc` pointer will trigger a panic. [INFO] [stderr] | |______________________________________________________________________________________^ [INFO] [stderr] 46 | 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:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | /// The garbage collector's internal state. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 64 | / thread_local!(static GC_STATE: RefCell = RefCell::new(GcState { [INFO] [stderr] 65 | | bytes_allocated: 0, [INFO] [stderr] 66 | | threshold: INITIAL_THRESHOLD, [INFO] [stderr] 67 | | boxes_start: None, [INFO] [stderr] 68 | | })); [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:21:38 [INFO] [stderr] | [INFO] [stderr] 21 | 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:75:31 [INFO] [stderr] | [INFO] [stderr] 75 | 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:158:44 [INFO] [stderr] | [INFO] [stderr] 158 | 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:159:28 [INFO] [stderr] | [INFO] [stderr] 159 | this: Shared>, [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:161:51 [INFO] [stderr] | [INFO] [stderr] 161 | 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:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | / /// Whether or not the thread is currently in the sweep phase of garbage collection. [INFO] [stderr] 45 | | /// During this phase, attempts to dereference a `Gc` pointer will trigger a panic. [INFO] [stderr] | |______________________________________________________________________________________^ [INFO] [stderr] 46 | 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:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | /// The garbage collector's internal state. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 64 | / thread_local!(static GC_STATE: RefCell = RefCell::new(GcState { [INFO] [stderr] 65 | | bytes_allocated: 0, [INFO] [stderr] 66 | | threshold: INITIAL_THRESHOLD, [INFO] [stderr] 67 | | boxes_start: None, [INFO] [stderr] 68 | | })); [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: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:396:9 [INFO] [stderr] | [INFO] [stderr] 396 | unsafe { self.cell.into_inner() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_unsafe)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/gc.rs:21:38 [INFO] [stderr] | [INFO] [stderr] 21 | 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:75:31 [INFO] [stderr] | [INFO] [stderr] 75 | 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:158:44 [INFO] [stderr] | [INFO] [stderr] 158 | 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:159:28 [INFO] [stderr] | [INFO] [stderr] 159 | this: Shared>, [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:161:51 [INFO] [stderr] | [INFO] [stderr] 161 | unsafe fn mark(head: &mut Option>>) -> Vec { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:396:9 [INFO] [stderr] | [INFO] [stderr] 396 | unsafe { self.cell.into_inner() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_unsafe)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.87s [INFO] running `"docker" "inspect" "9f4783b54a94cc1f1a41c929602c73ef5f284815027f97093ed8feb4c63a8737"` [INFO] running `"docker" "rm" "-f" "9f4783b54a94cc1f1a41c929602c73ef5f284815027f97093ed8feb4c63a8737"` [INFO] [stdout] 9f4783b54a94cc1f1a41c929602c73ef5f284815027f97093ed8feb4c63a8737