[INFO] crate rustep 0.1.2 is already in cache
[INFO] testing rustep-0.1.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rustep 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rustep 0.1.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustep 0.1.2
[INFO] finished tweaking crates.io crate rustep 0.1.2
[INFO] tweaked toml for crates.io crate rustep 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45dc59ecc2a6eb1f2c226171183611353e5e75dcce527d0b2e5a8e0a7840e4c4
[INFO] running `"docker" "start" "-a" "45dc59ecc2a6eb1f2c226171183611353e5e75dcce527d0b2e5a8e0a7840e4c4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.30
[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 quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling enumflags_derive v0.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rustep v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable 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 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]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[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]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[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 `#[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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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; 32 warnings emitted
[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" "45dc59ecc2a6eb1f2c226171183611353e5e75dcce527d0b2e5a8e0a7840e4c4"`
[INFO] running `"docker" "rm" "-f" "45dc59ecc2a6eb1f2c226171183611353e5e75dcce527d0b2e5a8e0a7840e4c4"`
[INFO] [stdout] 45dc59ecc2a6eb1f2c226171183611353e5e75dcce527d0b2e5a8e0a7840e4c4