[INFO] updating cached repository https://github.com/regexident/cargo-modules
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24f072b9b6d7bed964372adb40573107784c1403
[INFO] checking regexident/cargo-modules against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregexident%2Fcargo-modules" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/regexident/cargo-modules on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/regexident/cargo-modules
[INFO] finished tweaking git repo https://github.com/regexident/cargo-modules
[INFO] tweaked toml for git repo https://github.com/regexident/cargo-modules written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/regexident/cargo-modules already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d446192ae59a0783861ab727ecb445f38365f6805cba990e544a4e67b6aa48be
[INFO] running `"docker" "start" "-a" "d446192ae59a0783861ab727ecb445f38365f6805cba990e544a4e67b6aa48be"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rustc-ap-graphviz v657.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v657.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v657.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v657.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v657.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking ena v0.13.1
[INFO] [stderr]     Checking rustc-ap-serialize v657.0.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rustc-ap-rustc_index v657.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v657.0.0
[INFO] [stderr]     Checking rustc-ap-arena v657.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v657.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking rustc-ap-rustc_span v657.0.0
[INFO] [stderr] error[E0407]: method `replace_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `replace_zero` is not a member of trait `std::iter::Step`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `add_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `sub_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `add_usize` is not a member of trait `std::iter::Step`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `sub_usize` is not a member of trait `std::iter::Step`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `replace_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `replace_zero` is not a member of trait `std::iter::Step`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `add_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `sub_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `add_usize` is not a member of trait `std::iter::Step`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `sub_usize` is not a member of trait `std::iter::Step`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `replace_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `replace_zero` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `add_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `sub_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `add_usize` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `sub_usize` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^ not a member of trait `std::iter::Step`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / rustc_index::newtype_index! {
[INFO] [stderr] 12 | |     pub struct CrateId {
[INFO] [stderr] 13 | |         ENCODABLE = custom
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/def_id.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | / rustc_index::newtype_index! {
[INFO] [stderr] 119 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stderr] 120 | |     /// particular definition. It should really be considered an interned
[INFO] [stderr] 121 | |     /// shorthand for a particular DefPath.
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-657.0.0/symbol.rs:1034:1
[INFO] [stderr]      |
[INFO] [stderr] 1034 | / rustc_index::newtype_index! {
[INFO] [stderr] 1035 | |     pub struct SymbolIndex { .. }
[INFO] [stderr] 1036 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0200, E0407.
[INFO] [stderr] For more information about an error, try `rustc --explain E0200`.
[INFO] [stderr] error: could not compile `rustc-ap-rustc_span`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d446192ae59a0783861ab727ecb445f38365f6805cba990e544a4e67b6aa48be"`
[INFO] running `"docker" "rm" "-f" "d446192ae59a0783861ab727ecb445f38365f6805cba990e544a4e67b6aa48be"`
[INFO] [stdout] d446192ae59a0783861ab727ecb445f38365f6805cba990e544a4e67b6aa48be