[INFO] fetching crate export_cstr 0.0.4...
[INFO] testing export_cstr-0.0.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate export_cstr 0.0.4 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate export_cstr 0.0.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate export_cstr 0.0.4
[INFO] finished tweaking crates.io crate export_cstr 0.0.4
[INFO] tweaked toml for crates.io crate export_cstr 0.0.4 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d17bad5cf22275b43ccac142a281104a0fc756eddcbc7dd551cd542fd8cf4da3
[INFO] running `Command { std: "docker" "start" "-a" "d17bad5cf22275b43ccac142a281104a0fc756eddcbc7dd551cd542fd8cf4da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17bad5cf22275b43ccac142a281104a0fc756eddcbc7dd551cd542fd8cf4da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17bad5cf22275b43ccac142a281104a0fc756eddcbc7dd551cd542fd8cf4da3", kill_on_drop: false }`
[INFO] [stdout] d17bad5cf22275b43ccac142a281104a0fc756eddcbc7dd551cd542fd8cf4da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ddf91267fa52a7250cca9f42983d1c9b05d772f939c6d6c58d88635932acef8
[INFO] running `Command { std: "docker" "start" "-a" "7ddf91267fa52a7250cca9f42983d1c9b05d772f939c6d6c58d88635932acef8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling export_cstr v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, rustc_private, plugin_registrar)]
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: a __rustc_plugin_registrar symbol must now be defined instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: please recompile that crate using --crate-type lib
[INFO] [stdout]   = note: the following crate versions were found:
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.asan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.tsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.lsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]    --> src/lib.rs:136:3
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[plugin_registrar]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_char_cast<'cx>(cx: &'cx mut ExtCtxt, sp: Span, c: char) -> P<ast::Expr> {
[INFO] [stdout]    |                                                                      ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:30:63
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn extract_literal<'cx, 'a>(cx: &'cx mut ExtCtxt, expr: &'a P<ast::Expr>) -> Option<&'a str> {
[INFO] [stdout]    |                                                               ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if let ast::ExprLit(ref lit) = expr.node {
[INFO] [stdout]    |            ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if let ast::LitStr(ref s, _) = lit.node {
[INFO] [stdout]    |                ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:45:71
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn make_attr_word<'cx>(cx: &'cx mut ExtCtxt, sp: Span, name: &str) -> ast::Attribute {
[INFO] [stdout]    |                                                                       ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `token`
[INFO] [stdout]   --> src/lib.rs:46:39
[INFO] [stdout]    |
[INFO] [stdout] 46 |     cx.attribute(sp, cx.meta_word(sp, token::intern_and_get_ident(name)))
[INFO] [stdout]    |                                       ^^^^^ use of undeclared crate or module `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:50:88
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn make_attr_list<'cx>(cx: &'cx mut ExtCtxt, sp: Span, name: &str, list: Vec<&str>) -> ast::Attribute { 
[INFO] [stdout]    |                                                                                        ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `token`
[INFO] [stdout]   --> src/lib.rs:51:55
[INFO] [stdout]    |
[INFO] [stdout] 51 |    let words = list.iter().map(|w| { cx.meta_word(sp, token::intern_and_get_ident(w)) }).collect::<Vec<_>>();
[INFO] [stdout]    |                                                       ^^^^^ use of undeclared crate or module `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `token`
[INFO] [stdout]   --> src/lib.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |    cx.attribute(sp, cx.meta_list(sp, token::intern_and_get_ident(name), words))
[INFO] [stdout]    |                                      ^^^^^ use of undeclared crate or module `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:60:79
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn expand_declare_static_raw_cstr<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
[INFO] [stdout]    |                                                                               ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/lib.rs:61:45
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   -> Box<base::MacResult + 'cx> {
[INFO] [stdout]    |                              ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/lib.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let exprs = match base::get_exprs_from_tts(cx, sp, tts) {
[INFO] [stdout]    |                       ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/lib.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |         None => return base::DummyResult::expr(sp)
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]    --> src/lib.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let item = P(ast::Item {
[INFO] [stdout]     |                          ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]    --> src/lib.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 id: ast::DUMMY_NODE_ID,
[INFO] [stdout]     |                     ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]    --> src/lib.rs:106:23
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 node: ast::ItemStatic(ty, MutImmutable, rhs),
[INFO] [stdout]     |                       ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Visibility`
[INFO] [stdout]    --> src/lib.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 vis: Visibility::Public,
[INFO] [stdout]     |                      ^^^^^^^^^^ use of undeclared type `Visibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]    --> src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             base::MacItems::new(vec![item].into_iter())
[INFO] [stdout]     |             ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             base::DummyResult::expr(sp)
[INFO] [stdout]     |             ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_char_cast<'cx>(cx: &'cx mut ExtCtxt, sp: Span, c: char) -> P<ast::Expr> {
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:24:50
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_char_cast<'cx>(cx: &'cx mut ExtCtxt, sp: Span, c: char) -> P<ast::Expr> {
[INFO] [stdout]    |                                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]   --> src/lib.rs:24:68
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_char_cast<'cx>(cx: &'cx mut ExtCtxt, sp: Span, c: char) -> P<ast::Expr> {
[INFO] [stdout]    |                                                                    ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LitChar` in this scope
[INFO] [stdout]   --> src/lib.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     cx.expr_cast(sp, cx.expr_lit(sp, LitChar(c)), path)
[INFO] [stdout]    |                                      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn extract_literal<'cx, 'a>(cx: &'cx mut ExtCtxt, expr: &'a P<ast::Expr>) -> Option<&'a str> {
[INFO] [stdout]    |                                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]   --> src/lib.rs:30:61
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn extract_literal<'cx, 'a>(cx: &'cx mut ExtCtxt, expr: &'a P<ast::Expr>) -> Option<&'a str> {
[INFO] [stdout]    |                                                             ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn make_attr_word<'cx>(cx: &'cx mut ExtCtxt, sp: Span, name: &str) -> ast::Attribute {
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn make_attr_word<'cx>(cx: &'cx mut ExtCtxt, sp: Span, name: &str) -> ast::Attribute {
[INFO] [stdout]    |                                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:50:37
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn make_attr_list<'cx>(cx: &'cx mut ExtCtxt, sp: Span, name: &str, list: Vec<&str>) -> ast::Attribute { 
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:50:50
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn make_attr_list<'cx>(cx: &'cx mut ExtCtxt, sp: Span, name: &str, list: Vec<&str>) -> ast::Attribute { 
[INFO] [stdout]    |                                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn expand_declare_static_raw_cstr<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
[INFO] [stdout]    |                                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:60:66
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn expand_declare_static_raw_cstr<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
[INFO] [stdout]    |                                                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TyFixedLengthVec` in this scope
[INFO] [stdout]   --> src/lib.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let ty = cx.ty(sp, TyFixedLengthVec(path, cx.expr_lit(sp, LitInt(lit.len() as u64, UnsuffixedIntLit(Plus)))));
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `LitInt` in this scope
[INFO] [stdout]   --> src/lib.rs:93:71
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let ty = cx.ty(sp, TyFixedLengthVec(path, cx.expr_lit(sp, LitInt(lit.len() as u64, UnsuffixedIntLit(Plus)))));
[INFO] [stdout]    |                                                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `UnsuffixedIntLit` in this scope
[INFO] [stdout]   --> src/lib.rs:93:96
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let ty = cx.ty(sp, TyFixedLengthVec(path, cx.expr_lit(sp, LitInt(lit.len() as u64, UnsuffixedIntLit(Plus)))));
[INFO] [stdout]    |                                                                                                ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Plus` in this scope
[INFO] [stdout]   --> src/lib.rs:93:113
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let ty = cx.ty(sp, TyFixedLengthVec(path, cx.expr_lit(sp, LitInt(lit.len() as u64, UnsuffixedIntLit(Plus)))));
[INFO] [stdout]    |                                                                                                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `P` in this scope
[INFO] [stdout]    --> src/lib.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let item = P(ast::Item {
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let item = s(ast::Item {
[INFO] [stdout]     |                        ~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 60  | fn expand_declare_static_raw_cstr<'cx, P>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MutImmutable` in this scope
[INFO] [stdout]    --> src/lib.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 node: ast::ItemStatic(ty, MutImmutable, rhs),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Registry` in this scope
[INFO] [stdout]    --> src/lib.rs:137:35
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn plugin_registrar(reg: &mut Registry) {
[INFO] [stdout]     |                                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, rustc_private, plugin_registrar)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, rustc_private, plugin_registrar)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, rustc_private, plugin_registrar)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:61:45
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   -> Box<base::MacResult + 'cx> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 -                                      -> Box<base::MacResult + 'cx> {
[INFO] [stdout] 61 +                                      -> Box<dyn base::MacResult + 'cx> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 44 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `export_cstr` due to 45 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7ddf91267fa52a7250cca9f42983d1c9b05d772f939c6d6c58d88635932acef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddf91267fa52a7250cca9f42983d1c9b05d772f939c6d6c58d88635932acef8", kill_on_drop: false }`
[INFO] [stdout] 7ddf91267fa52a7250cca9f42983d1c9b05d772f939c6d6c58d88635932acef8