[INFO] updating cached repository https://github.com/overdrivenpotato/libcore-psp
[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] 5112322686ea069bbf5ea5a08b1afbe3b20d46b0
[INFO] testing overdrivenpotato/libcore-psp against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverdrivenpotato%2Flibcore-psp" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/overdrivenpotato/libcore-psp on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/overdrivenpotato/libcore-psp
[INFO] removed 1 missing tests
[INFO] finished tweaking git repo https://github.com/overdrivenpotato/libcore-psp
[INFO] tweaked toml for git repo https://github.com/overdrivenpotato/libcore-psp written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/overdrivenpotato/libcore-psp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 674964cd38dea7b51d7f0f849e4dfa09e24e11fead5e9d15f63eeb44481b6a9e
[INFO] running `"docker" "start" "-a" "674964cd38dea7b51d7f0f849e4dfa09e24e11fead5e9d15f63eeb44481b6a9e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | #![feature(allow_internal_unstable)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | #![feature(arbitrary_self_types)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | #![feature(asm)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | #![feature(bound_cloned)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #![feature(cfg_target_has_atomic)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | #![feature(concat_idents)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | #![feature(const_ascii_ctype_on_intrinsics)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | #![feature(const_alloc_layout)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | #![feature(const_discriminant)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | #![feature(const_if_match)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | #![feature(const_loop)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | #![feature(const_checked_int_methods)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | #![feature(const_euclidean_int_methods)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | #![feature(const_overflowing_int_methods)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | #![feature(const_saturating_int_methods)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | #![feature(const_int_unchecked_arith)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | #![feature(const_int_pow)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | #![feature(constctlz)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | #![feature(const_panic)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | #![feature(const_fn_union)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | #![feature(const_generics)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | #![feature(const_ptr_offset_from)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | #![feature(const_result)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | #![feature(const_type_name)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | #![feature(custom_inner_attributes)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | #![feature(decl_macro)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | #![feature(doc_cfg)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | #![feature(extern_types)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:95:1
[INFO] [stderr]    |
[INFO] [stderr] 95 | #![feature(fundamental)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:96:1
[INFO] [stderr]    |
[INFO] [stderr] 96 | #![feature(intrinsics)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | #![feature(try_find)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | #![feature(is_sorted)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> lib.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | #![feature(lang_items)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | #![feature(link_llvm_intrinsics)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | #![feature(llvm_asm)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | #![feature(negative_impls)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | #![feature(never_type)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | #![feature(nll)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | #![feature(exhaustive_patterns)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:106:1
[INFO] [stderr]     |
[INFO] [stderr] 106 | #![feature(no_core)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | #![feature(optin_builtin_traits)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | #![feature(or_patterns)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | #![feature(prelude_import)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | #![feature(repr_simd, platform_intrinsics)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:111:1
[INFO] [stderr]     |
[INFO] [stderr] 111 | #![feature(rustc_attrs)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | #![feature(simd_ffi)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | #![feature(specialization)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | #![feature(staged_api)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | #![feature(std_internals)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | #![feature(stmt_expr_attributes)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:117:1
[INFO] [stderr]     |
[INFO] [stderr] 117 | #![feature(track_caller)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | #![feature(transparent_unions)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | #![feature(unboxed_closures)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | #![feature(unsized_locals)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | #![feature(untagged_unions)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | #![feature(unwind_attributes)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | #![feature(doc_alias)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | #![feature(mmx_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | #![feature(tbm_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | #![feature(sse4a_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | #![feature(arm_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | #![feature(powerpc_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:129:1
[INFO] [stderr]     |
[INFO] [stderr] 129 | #![feature(mips_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:130:1
[INFO] [stderr]     |
[INFO] [stderr] 130 | #![feature(aarch64_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | #![feature(wasm_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | #![feature(avx512_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:133:1
[INFO] [stderr]     |
[INFO] [stderr] 133 | #![feature(cmpxchg16b_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 | #![feature(rtm_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | #![feature(f16c_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | #![feature(hexagon_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | #![feature(const_transmute)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | #![feature(abi_unadjusted)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | #![feature(adx_target_feature)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | #![feature(maybe_uninit_slice)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | #![feature(external_doc)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | #![feature(associated_type_bounds)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | #![feature(const_type_id)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:144:1
[INFO] [stderr]     |
[INFO] [stderr] 144 | #![feature(const_caller_location)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | #![feature(option_zip)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> lib.rs:146:1
[INFO] [stderr]     |
[INFO] [stderr] 146 | #![feature(no_niche)] // rust-lang/rust#68303
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 80 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "674964cd38dea7b51d7f0f849e4dfa09e24e11fead5e9d15f63eeb44481b6a9e"`
[INFO] running `"docker" "rm" "-f" "674964cd38dea7b51d7f0f849e4dfa09e24e11fead5e9d15f63eeb44481b6a9e"`
[INFO] [stdout] 674964cd38dea7b51d7f0f849e4dfa09e24e11fead5e9d15f63eeb44481b6a9e