[INFO] crate rustep 0.1.2 is already in cache [INFO] extracting crate rustep 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustep/0.1.2 [INFO] extracting crate rustep 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustep/0.1.2 [INFO] validating manifest of rustep-0.1.2 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rustep-0.1.2 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rustep-0.1.2 [INFO] finished frobbing rustep-0.1.2 [INFO] frobbed toml for rustep-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustep/0.1.2/Cargo.toml [INFO] started frobbing rustep-0.1.2 [INFO] finished frobbing rustep-0.1.2 [INFO] frobbed toml for rustep-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustep/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing rustep-0.1.2 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustep/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 3097e16b19cb5b4abd19e9016c65e7a5c849988e63cf77ca22be4a72747c23ae [INFO] running `"docker" "start" "-a" "3097e16b19cb5b4abd19e9016c65e7a5c849988e63cf77ca22be4a72747c23ae"` [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling enumflags v0.3.2 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling backtrace v0.3.35 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling enumflags_derive v0.4.1 [INFO] [stderr] Compiling rustep v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/format/elf.rs:1082:1 [INFO] [stderr] | [INFO] [stderr] 1082 | /// Elf class means to differ in arch, we must get that ahead to determine which type to be used. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 1083 | / named!(parse_elf_class<&[u8], u8>, [INFO] [stderr] 1084 | | do_parse!( [INFO] [stderr] 1085 | | tag!("\x7fELF") >> // Elf ident [INFO] [stderr] 1086 | | data: le_u8 >> [INFO] [stderr] 1087 | | (data) [INFO] [stderr] 1088 | | ) [INFO] [stderr] 1089 | | ); [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/format/elf.rs:1299:1 [INFO] [stderr] | [INFO] [stderr] 1299 | /// Parses a single elf program table, 32-bit version [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 1300 | / named!(parse_elf_prog_header32<&[u8], Elf32_Phdr>, [INFO] [stderr] 1301 | | do_parse!( [INFO] [stderr] 1302 | | p_type: le_u32 >> [INFO] [stderr] 1303 | | p_offset: le_u32 >> [INFO] [stderr] ... | [INFO] [stderr] 1320 | | ) [INFO] [stderr] 1321 | | ); [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] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:49:1 [INFO] [stderr] | [INFO] [stderr] 49 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:44:32 [INFO] [stderr] | [INFO] [stderr] 44 | fn cause(&self) -> Option<&Fail> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryInto` [INFO] [stderr] --> src/format/elf.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | TryInto, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: cannot find type `SegmentFlag` in this scope [INFO] [stderr] --> src/format/elf.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | #[derive(EnumFlags, Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^ names from parent modules are not accessible without an explicit import [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(proc_macro_derive_resolution_fallback)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #50504 [INFO] [stderr] [INFO] [stderr] warning: cannot find type `SegmentFlag` in this scope [INFO] [stderr] --> src/format/elf.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | #[derive(EnumFlags, Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^ names from parent modules are not accessible without an explicit import [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #50504 [INFO] [stderr] [INFO] [stderr] warning: cannot find type `SectionFlag` in this scope [INFO] [stderr] --> src/format/elf.rs:111:10 [INFO] [stderr] | [INFO] [stderr] 111 | #[derive(EnumFlags, Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^ names from parent modules are not accessible without an explicit import [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #50504 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:183:24 [INFO] [stderr] | [INFO] [stderr] 183 | fn shdr(&self) -> &ElfSectionHeader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElfSectionHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:215:24 [INFO] [stderr] | [INFO] [stderr] 215 | fn shdr(&self) -> &ElfSectionHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElfSectionHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:237:24 [INFO] [stderr] | [INFO] [stderr] 237 | fn shdr(&self) -> &ElfSectionHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElfSectionHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:317:24 [INFO] [stderr] | [INFO] [stderr] 317 | fn phdr(&self) -> &ElfSegmentHeader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElfSegmentHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:345:24 [INFO] [stderr] | [INFO] [stderr] 345 | fn phdr(&self) -> &ElfSegmentHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElfSegmentHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:363:24 [INFO] [stderr] | [INFO] [stderr] 363 | fn phdr(&self) -> &ElfSegmentHeader { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElfSegmentHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:698:26 [INFO] [stderr] | [INFO] [stderr] 698 | fn header(&self) -> &ElfHeader; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:700:32 [INFO] [stderr] | [INFO] [stderr] 700 | fn segments(&self) -> Vec<&ElfSegment>; [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSegment` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:702:32 [INFO] [stderr] | [INFO] [stderr] 702 | fn sections(&self) -> Vec<&ElfSection>; [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSection` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:704:46 [INFO] [stderr] | [INFO] [stderr] 704 | fn section(&self, name: &str) -> Option<&ElfSection> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSection` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:733:26 [INFO] [stderr] | [INFO] [stderr] 733 | fn header(&self) -> &ElfHeader { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:737:32 [INFO] [stderr] | [INFO] [stderr] 737 | fn segments(&self) -> Vec<&ElfSegment> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSegment` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:740:29 [INFO] [stderr] | [INFO] [stderr] 740 | v.push(elem as &ElfSegment); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSegment` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:746:32 [INFO] [stderr] | [INFO] [stderr] 746 | fn sections(&self) -> Vec<&ElfSection> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSection` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:749:29 [INFO] [stderr] | [INFO] [stderr] 749 | v.push(elem as &ElfSection); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSection` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:757:26 [INFO] [stderr] | [INFO] [stderr] 757 | fn header(&self) -> &ElfHeader { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfHeader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:761:32 [INFO] [stderr] | [INFO] [stderr] 761 | fn segments(&self) -> Vec<&ElfSegment> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSegment` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:764:29 [INFO] [stderr] | [INFO] [stderr] 764 | v.push(elem as &ElfSegment); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSegment` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:770:32 [INFO] [stderr] | [INFO] [stderr] 770 | fn sections(&self) -> Vec<&ElfSection> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSection` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:773:29 [INFO] [stderr] | [INFO] [stderr] 773 | v.push(elem as &ElfSection); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ElfSection` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:780:46 [INFO] [stderr] | [INFO] [stderr] 780 | impl<'a> TryFrom<&'a Executable<'a>> for &'a ElfFormat { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfFormat` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:785:54 [INFO] [stderr] | [INFO] [stderr] 785 | fn try_from(value: &'a Executable) -> Result<&'a ElfFormat, Error> { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfFormat` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:787:54 [INFO] [stderr] | [INFO] [stderr] 787 | Executable::Elf32(ref elf) => Ok(elf as &ElfFormat), [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfFormat` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/format/elf.rs:788:54 [INFO] [stderr] | [INFO] [stderr] 788 | Executable::Elf64(ref elf) => Ok(elf as &ElfFormat), [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn ElfFormat` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `rustep`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3097e16b19cb5b4abd19e9016c65e7a5c849988e63cf77ca22be4a72747c23ae"` [INFO] running `"docker" "rm" "-f" "3097e16b19cb5b4abd19e9016c65e7a5c849988e63cf77ca22be4a72747c23ae"` [INFO] [stdout] 3097e16b19cb5b4abd19e9016c65e7a5c849988e63cf77ca22be4a72747c23ae