[INFO] fetching crate proc-macro2 1.0.106...
[INFO] testing proc-macro2-1.0.106 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate proc-macro2 1.0.106 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate proc-macro2 1.0.106
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proc-macro2 1.0.106
[INFO] tweaked toml for crates.io crate proc-macro2 1.0.106 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro2 1.0.106 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proc-macro2 1.0.106 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5794bdbcf37e67f1a73d9d7eec8485692233574da56f37a9cac3fb4e102c2a7d
[INFO] running `Command { std: "docker" "start" "-a" "5794bdbcf37e67f1a73d9d7eec8485692233574da56f37a9cac3fb4e102c2a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5794bdbcf37e67f1a73d9d7eec8485692233574da56f37a9cac3fb4e102c2a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5794bdbcf37e67f1a73d9d7eec8485692233574da56f37a9cac3fb4e102c2a7d", kill_on_drop: false }`
[INFO] [stdout] 5794bdbcf37e67f1a73d9d7eec8485692233574da56f37a9cac3fb4e102c2a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f645f2ef84e345b559d2ac1d76b3a12851f908c5b1923a6b8e2cfb542ee2c157
[INFO] running `Command { std: "docker" "start" "-a" "f645f2ef84e345b559d2ac1d76b3a12851f908c5b1923a6b8e2cfb542ee2c157", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "f645f2ef84e345b559d2ac1d76b3a12851f908c5b1923a6b8e2cfb542ee2c157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f645f2ef84e345b559d2ac1d76b3a12851f908c5b1923a6b8e2cfb542ee2c157", kill_on_drop: false }`
[INFO] [stdout] f645f2ef84e345b559d2ac1d76b3a12851f908c5b1923a6b8e2cfb542ee2c157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6087a854ea6562117f792e9d553047b7c49eadc34e05470a3338e81f41aae6a5
[INFO] running `Command { std: "docker" "start" "-a" "6087a854ea6562117f792e9d553047b7c49eadc34e05470a3338e81f41aae6a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.106 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "6087a854ea6562117f792e9d553047b7c49eadc34e05470a3338e81f41aae6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6087a854ea6562117f792e9d553047b7c49eadc34e05470a3338e81f41aae6a5", kill_on_drop: false }`
[INFO] [stdout] 6087a854ea6562117f792e9d553047b7c49eadc34e05470a3338e81f41aae6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29e98d1d45d893b5c9a233519688e2d1780c5e2559a0eb59f6de4b8d900a1d94
[INFO] running `Command { std: "docker" "start" "-a" "29e98d1d45d893b5c9a233519688e2d1780c5e2559a0eb59f6de4b8d900a1d94", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/proc_macro2-c34dc1fb999e10d8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/comments.rs (/opt/rustwide/target/debug/deps/comments-aa720f9ed8c331a3)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lit ... ok
[INFO] [stdout] test carriage_return ... ok
[INFO] [stdout] test incomplete ... ok
[INFO] [stdout] test closed_immediately ... ok
[INFO] [stderr]      Running tests/features.rs (/opt/rustwide/target/debug/deps/features-5293dd63a6721202)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test make_sure_no_proc_macro ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/marker.rs (/opt/rustwide/target/debug/deps/marker-d51a6d4945adc8f4)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-a25204d615d3cecf)
[INFO] [stdout] test Delimiter ... ok
[INFO] [stdout] test Group ... ok
[INFO] [stdout] test LexError ... ok
[INFO] [stdout] test Ident ... ok
[INFO] [stdout] test Punct ... ok
[INFO] [stdout] test Spacing ... ok
[INFO] [stdout] test Span ... ok
[INFO] [stdout] test TokenStream ... ok
[INFO] [stdout] test TokenTree ... ok
[INFO] [stdout] test Literal ... ok
[INFO] [stdout] test unwind_safe::Delimiter ... ok
[INFO] [stdout] test unwind_safe::Group ... ok
[INFO] [stdout] test unwind_safe::Ident ... ok
[INFO] [stdout] test unwind_safe::LexError ... ok
[INFO] [stdout] test unwind_safe::Literal ... ok
[INFO] [stdout] test unwind_safe::Punct ... ok
[INFO] [stdout] test unwind_safe::Spacing ... ok
[INFO] [stdout] test unwind_safe::Span ... ok
[INFO] [stdout] test unwind_safe::TokenStream ... ok
[INFO] [stdout] test unwind_safe::TokenTree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test byte_order_mark ... ok
[INFO] [stdout] test default_tokenstream_is_empty ... ok
[INFO] [stdout] test fail ... ok
[INFO] [stdout] test idents ... ok
[INFO] [stdout] test joint_last_token ... ok
[INFO] [stdout] test lifetimes ... ok
[INFO] [stdout] test literal_byte_character ... ok
[INFO] [stdout] test literal_byte_string ... ok
[INFO] [stdout] test literal_integer ... ok
[INFO] [stdout] test literal_float ... ok
[INFO] [stdout] test literal_string ... ok
[INFO] [stdout] test literal_span ... ok
[INFO] [stdout] test literal_iter_negative ... ok
[INFO] [stdout] test literal_character ... ok
[INFO] [stdout] test no_panic ... ok
[INFO] [stdout] test literal_c_string ... ok
[INFO] [stdout] test literal_suffix ... ok
[INFO] [stdout] test literal_raw_string ... ok
[INFO] [stdout] test literal_parse ... ok
[INFO] [stdout] test punct_before_comment ... ok
[INFO] [stdout] test raw_identifier ... ok
[INFO] [stdout] test raw_idents ... ok
[INFO] [stdout] test test_debug_ident ... ok
[INFO] [stdout] test roundtrip ... ok
[INFO] [stdout] test test_debug_tokenstream ... ok
[INFO] [stdout] test tokenstream_size_hint ... ok
[INFO] [stdout] test test_display_tokenstream ... ok
[INFO] [stdout] test test_display_ident ... ok
[INFO] [stdout] test tuple_indexing ... ok
[INFO] [stdout] test whitespace ... ok
[INFO] [stdout] test ident_invalid - should panic ... ok
[INFO] [stdout] test ident_number - should panic ... ok
[INFO] [stdout] test ident_empty - should panic ... ok
[INFO] [stdout] test ident_raw_underscore - should panic ... ok
[INFO] [stdout] test lifetime_empty - should panic ... ok
[INFO] [stdout] test ident_raw_reserved - should panic ... ok
[INFO] [stdout] test lifetime_invalid - should panic ... ok
[INFO] [stdout] test lifetime_number - should panic ... ok
[INFO] [stdout] test raw_ident_invalid - should panic ... ok
[INFO] [stdout] test raw_ident_empty - should panic ... ok
[INFO] [stdout] test raw_ident_number - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_fmt.rs (/opt/rustwide/target/debug/deps/test_fmt-fc8af5ba09c3b5d3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_fmt_group ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_size.rs (/opt/rustwide/target/debug/deps/test_size-6a4c370cf094db54)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_proc_macro2_fallback_size_with_locations ... ignored, wrapper mode
[INFO] [stdout] test test_proc_macro2_fallback_size_without_locations ... ignored, wrapper mode
[INFO] [stdout] test test_proc_macro2_wrapper_size_with_locations ... ignored, span locations are off
[INFO] [stdout] test test_proc_macro2_wrapper_size_without_locations ... ok
[INFO] [stdout] test test_proc_macro_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proc_macro2
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Ident (line 937) ... FAILED
[INFO] [stdout] test src/lib.rs - Ident (line 956) ... ok
[INFO] [stdout] test src/lib.rs - Ident (line 925) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Ident (line 937) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Ident: ToTokens` is not satisfied
[INFO] [stdout]    --> src/lib.rs:946:20
[INFO] [stdout]     |
[INFO] [stdout] 946 |     let expanded = quote! { let #ident = 10; };
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the trait `ToTokens` is not implemented for `proc_macro2::Ident`
[INFO] [stdout]     |                    required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `ToTokens`:
[INFO] [stdout]               &T
[INFO] [stdout]               &mut T
[INFO] [stdout]               Box<T>
[INFO] [stdout]               CStr
[INFO] [stdout]               CString
[INFO] [stdout]               Cow<'a, T>
[INFO] [stdout]               Option<T>
[INFO] [stdout]               Rc<T>
[INFO] [stdout]             and 24 others
[INFO] [stdout]     = note: there are multiple different versions of crate `proc_macro2` in the dependency graph
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: this error originates in the macro `$crate::quote_token_with_context` which comes from the expansion of the macro `quote` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Ident: ToTokens` is not satisfied
[INFO] [stdout]    --> src/lib.rs:950:20
[INFO] [stdout]     |
[INFO] [stdout] 950 |     let expanded = quote! { let #temp_ident = 10; };
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the trait `ToTokens` is not implemented for `proc_macro2::Ident`
[INFO] [stdout]     |                    required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `ToTokens`:
[INFO] [stdout]               &T
[INFO] [stdout]               &mut T
[INFO] [stdout]               Box<T>
[INFO] [stdout]               CStr
[INFO] [stdout]               CString
[INFO] [stdout]               Cow<'a, T>
[INFO] [stdout]               Option<T>
[INFO] [stdout]               Rc<T>
[INFO] [stdout]             and 24 others
[INFO] [stdout]     = note: there are multiple different versions of crate `proc_macro2` in the dependency graph
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: this error originates in the macro `$crate::quote_token_with_context` which comes from the expansion of the macro `quote` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Ident (line 937)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "29e98d1d45d893b5c9a233519688e2d1780c5e2559a0eb59f6de4b8d900a1d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e98d1d45d893b5c9a233519688e2d1780c5e2559a0eb59f6de4b8d900a1d94", kill_on_drop: false }`
[INFO] [stdout] 29e98d1d45d893b5c9a233519688e2d1780c5e2559a0eb59f6de4b8d900a1d94
