[INFO] fetching crate ast_debug 0.1.0...
[INFO] testing ast_debug-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ast_debug 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate ast_debug 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ast_debug 0.1.0
[INFO] finished tweaking crates.io crate ast_debug 0.1.0
[INFO] tweaked toml for crates.io crate ast_debug 0.1.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a1f04363b79e0b096846cf9b7e4681d81fc7b6c6a35a602dc393cbfdc752c03
[INFO] running `Command { std: "docker" "start" "-a" "6a1f04363b79e0b096846cf9b7e4681d81fc7b6c6a35a602dc393cbfdc752c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1f04363b79e0b096846cf9b7e4681d81fc7b6c6a35a602dc393cbfdc752c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1f04363b79e0b096846cf9b7e4681d81fc7b6c6a35a602dc393cbfdc752c03", kill_on_drop: false }`
[INFO] [stdout] 6a1f04363b79e0b096846cf9b7e4681d81fc7b6c6a35a602dc393cbfdc752c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e016e31dc53052388f0e099f26a1a3adfdf984b0425d23ed003996b95d0b7635
[INFO] running `Command { std: "docker" "start" "-a" "e016e31dc53052388f0e099f26a1a3adfdf984b0425d23ed003996b95d0b7635", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ast_debug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(quote, plugin_registrar)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(quote, 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[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(rustc_private, collections, quote)]
[INFO] [stdout]   |                                        ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | 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/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.lsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.tsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.asan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/lib.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[plugin_registrar]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_stmt` in this scope
[INFO] [stdout]   --> src/lib.rs:80:34
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let debug_stmt = quote_stmt!(&mut *cx,
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SmallVector`
[INFO] [stdout]   --> src/lib.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut new_items = SmallVector::<P<Item>>::zero();
[INFO] [stdout]    |                         ^^^^^^^^^^^ use of undeclared type `SmallVector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             ast::ItemFn(ref decl, _, _, _, ref block) => {
[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:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     ast::Return(ref pty) => (*pty).clone(),
[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:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     ast::NoReturn(ref span) | 
[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:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         ast::DefaultReturn(ref span) => cx.ty(*span, ast::TyTup(Vec::new()))
[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:89:70
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         ast::DefaultReturn(ref span) => cx.ty(*span, ast::TyTup(Vec::new()))
[INFO] [stdout]    |                                                                      ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MacEager`
[INFO] [stdout]   --> src/lib.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 MacEager::items(new_items)
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared type `MacEager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MacEager`
[INFO] [stdout]   --> src/lib.rs:98:26
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 Box::new(MacEager::default())
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `MacEager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MacEager`
[INFO] [stdout]    --> src/lib.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |         Box::new(MacEager::default())
[INFO] [stdout]     |                  ^^^^^^^^ use of undeclared type `MacEager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn expand_ast(cx: &mut ExtCtxt, sp: Span, args: &[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:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn expand_ast(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])
[INFO] [stdout]    |                                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenTree` in this scope
[INFO] [stdout]   --> src/lib.rs:66:51
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn expand_ast(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])
[INFO] [stdout]    |                                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MacResult` in this scope
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn expand_ast(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])
[INFO] [stdout]    |              - help: you might be missing a type parameter: `<MacResult>`
[INFO] [stdout] 67 |         -> Box<MacResult+'static> {
[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:71:39
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut new_items = SmallVector::<P<Item>>::zero();
[INFO] [stdout]    |                                       ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Item` in this scope
[INFO] [stdout]   --> src/lib.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn expand_ast(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])
[INFO] [stdout]    |              - help: you might be missing a type parameter: `<Item>`
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let mut new_items = SmallVector::<P<Item>>::zero();
[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:92:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn expand_ast(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])
[INFO] [stdout]    |              - help: you might be missing a type parameter: `<P>`
[INFO] [stdout] ...
[INFO] [stdout] 92 |                                         out_ty, P(new_contents));
[INFO] [stdout]    |                                                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(quote, plugin_registrar)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(rustc_private, collections, quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::default::Default`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core::default::Default;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         -> Box<MacResult+'static> {
[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] 67 -         -> Box<MacResult+'static> {
[INFO] [stdout] 67 +         -> Box<dyn MacResult+'static> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 26 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ast_debug` due to 27 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e016e31dc53052388f0e099f26a1a3adfdf984b0425d23ed003996b95d0b7635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e016e31dc53052388f0e099f26a1a3adfdf984b0425d23ed003996b95d0b7635", kill_on_drop: false }`
[INFO] [stdout] e016e31dc53052388f0e099f26a1a3adfdf984b0425d23ed003996b95d0b7635