[INFO] crate x86 0.13.0 is already in cache
[INFO] extracting crate x86 0.13.0 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/x86/0.13.0
[INFO] extracting crate x86 0.13.0 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/x86/0.13.0
[INFO] validating manifest of x86-0.13.0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of x86-0.13.0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing x86-0.13.0
[INFO] finished frobbing x86-0.13.0
[INFO] frobbed toml for x86-0.13.0 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/x86/0.13.0/Cargo.toml
[INFO] started frobbing x86-0.13.0
[INFO] finished frobbing x86-0.13.0
[INFO] frobbed toml for x86-0.13.0 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/x86/0.13.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking x86-0.13.0 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/x86/0.13.0:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d31162bd06d45c018f754b98f398f17d096b58a416eb8c1a1c2c88e0c0271411
[INFO] running `"docker" "start" "-a" "d31162bd06d45c018f754b98f398f17d096b58a416eb8c1a1c2c88e0c0271411"`
[INFO] [stderr]    Compiling x86 v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bits32/eflags.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  |   /// The EFLAGS register.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 6  | / bitflags! {
[INFO] [stderr] 7  | |     pub struct EFlags: u32 {
[INFO] [stderr] 8  | |         /// ID Flag (ID)
[INFO] [stderr] 9  | |         const FLAGS_ID = 1 << 21;
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |     }
[INFO] [stderr] 51 | | }
[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/bits64/paging.rs:677:1
[INFO] [stderr]     |
[INFO] [stderr] 677 |   /// PD configuration bits description.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 678 | / bitflags! {
[INFO] [stderr] 679 | |     /// PDPT configuration bit description.
[INFO] [stderr] 680 | |     #[repr(transparent)]
[INFO] [stderr] 681 | |     pub struct PDFlags: u64 {
[INFO] [stderr] ...   |
[INFO] [stderr] 709 | |     }
[INFO] [stderr] 710 | | }
[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: unused doc comment
[INFO] [stderr]    --> src/bits64/paging.rs:780:1
[INFO] [stderr]     |
[INFO] [stderr] 780 |   /// PT Entry bits description.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 781 | / bitflags! {
[INFO] [stderr] 782 | |     /// PT configuration bit description.
[INFO] [stderr] 783 | |     #[repr(transparent)]
[INFO] [stderr] 784 | |     pub struct PTFlags: u64 {
[INFO] [stderr] ...   |
[INFO] [stderr] 804 | |     }
[INFO] [stderr] 805 | | }
[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: unused doc comment
[INFO] [stderr]   --> src/bits64/rflags.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / /// The RFLAGS register.
[INFO] [stderr] 10 | | /// This is duplicated code from bits32 eflags.rs.
[INFO] [stderr]    | |__________________________________________________^
[INFO] [stderr] 11 | / bitflags! {
[INFO] [stderr] 12 | |     pub struct RFlags: u64 {
[INFO] [stderr] 13 | |         /// ID Flag (ID)
[INFO] [stderr] 14 | |         const FLAGS_ID = 1 << 21;
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |     }
[INFO] [stderr] 56 | | }
[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: unused doc comment
[INFO] [stderr]   --> src/segmentation.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / /// Specifies which element to load into a segment from
[INFO] [stderr] 6  | | /// descriptor tables (i.e., is a index to LDT or GDT table
[INFO] [stderr] 7  | | /// with some additional flags).
[INFO] [stderr] 8  | | ///
[INFO] [stderr] 9  | | /// See Intel 3a, Section 3.4.2 "Segment Selectors"
[INFO] [stderr]    | |___________________________________________________^
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     pub struct SegmentSelector: u16 {
[INFO] [stderr] 12 | |         /// Requestor Privilege Level
[INFO] [stderr] 13 | |         const RPL_0 = 0b00;
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[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: unused doc comment
[INFO] [stderr]   --> src/bits32/eflags.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  |   /// The EFLAGS register.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 6  | / bitflags! {
[INFO] [stderr] 7  | |     pub struct EFlags: u32 {
[INFO] [stderr] 8  | |         /// ID Flag (ID)
[INFO] [stderr] 9  | |         const FLAGS_ID = 1 << 21;
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |     }
[INFO] [stderr] 51 | | }
[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/bits64/paging.rs:677:1
[INFO] [stderr]     |
[INFO] [stderr] 677 |   /// PD configuration bits description.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 678 | / bitflags! {
[INFO] [stderr] 679 | |     /// PDPT configuration bit description.
[INFO] [stderr] 680 | |     #[repr(transparent)]
[INFO] [stderr] 681 | |     pub struct PDFlags: u64 {
[INFO] [stderr] ...   |
[INFO] [stderr] 709 | |     }
[INFO] [stderr] 710 | | }
[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: unused doc comment
[INFO] [stderr]    --> src/bits64/paging.rs:780:1
[INFO] [stderr]     |
[INFO] [stderr] 780 |   /// PT Entry bits description.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 781 | / bitflags! {
[INFO] [stderr] 782 | |     /// PT configuration bit description.
[INFO] [stderr] 783 | |     #[repr(transparent)]
[INFO] [stderr] 784 | |     pub struct PTFlags: u64 {
[INFO] [stderr] ...   |
[INFO] [stderr] 804 | |     }
[INFO] [stderr] 805 | | }
[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: unused doc comment
[INFO] [stderr]   --> src/bits64/rflags.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / /// The RFLAGS register.
[INFO] [stderr] 10 | | /// This is duplicated code from bits32 eflags.rs.
[INFO] [stderr]    | |__________________________________________________^
[INFO] [stderr] 11 | / bitflags! {
[INFO] [stderr] 12 | |     pub struct RFlags: u64 {
[INFO] [stderr] 13 | |         /// ID Flag (ID)
[INFO] [stderr] 14 | |         const FLAGS_ID = 1 << 21;
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |     }
[INFO] [stderr] 56 | | }
[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: unused doc comment
[INFO] [stderr]   --> src/segmentation.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / /// Specifies which element to load into a segment from
[INFO] [stderr] 6  | | /// descriptor tables (i.e., is a index to LDT or GDT table
[INFO] [stderr] 7  | | /// with some additional flags).
[INFO] [stderr] 8  | | ///
[INFO] [stderr] 9  | | /// See Intel 3a, Section 3.4.2 "Segment Selectors"
[INFO] [stderr]    | |___________________________________________________^
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     pub struct SegmentSelector: u16 {
[INFO] [stderr] 12 | |         /// Requestor Privilege Level
[INFO] [stderr] 13 | |         const RPL_0 = 0b00;
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `"docker" "inspect" "d31162bd06d45c018f754b98f398f17d096b58a416eb8c1a1c2c88e0c0271411"`
[INFO] running `"docker" "rm" "-f" "d31162bd06d45c018f754b98f398f17d096b58a416eb8c1a1c2c88e0c0271411"`
[INFO] [stdout] d31162bd06d45c018f754b98f398f17d096b58a416eb8c1a1c2c88e0c0271411