[INFO] crate rustep 0.1.2 is already in cache
[INFO] extracting crate rustep 0.1.2 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/rustep/0.1.2
[INFO] extracting crate rustep 0.1.2 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rustep/0.1.2
[INFO] validating manifest of rustep-0.1.2 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustep-0.1.2 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "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/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rustep/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustep-0.1.2 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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=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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fe5e3b179044d76704e902c07bd142ec7dc0d33bc670e9609e3d9785715e108a
[INFO] running `"docker" "start" "-a" "fe5e3b179044d76704e902c07bd142ec7dc0d33bc670e9609e3d9785715e108a"`
[INFO] [stderr]     Checking enumflags v0.3.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling enumflags_derive v0.4.1
[INFO] [stderr]     Checking rustep v0.1.2 (/opt/crater/workdir)
[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: 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: 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: 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: unreachable pattern
[INFO] [stderr]    --> src/format/elf.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             _ => Err(RustepErrorKind::NotElf)?,
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/format/elf.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             _ => Err(RustepErrorKind::NotElf)?,
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.61s
[INFO] running `"docker" "inspect" "fe5e3b179044d76704e902c07bd142ec7dc0d33bc670e9609e3d9785715e108a"`
[INFO] running `"docker" "rm" "-f" "fe5e3b179044d76704e902c07bd142ec7dc0d33bc670e9609e3d9785715e108a"`
[INFO] [stdout] fe5e3b179044d76704e902c07bd142ec7dc0d33bc670e9609e3d9785715e108a