[INFO] fetching crate pseudo-backtrace 0.2.1...
[INFO] testing pseudo-backtrace-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate pseudo-backtrace 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate pseudo-backtrace 0.2.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pseudo-backtrace 0.2.1
[INFO] tweaked toml for crates.io crate pseudo-backtrace 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pseudo-backtrace 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pseudo-backtrace 0.2.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42c22b9c413d8cf28fcc9b6a451f09f6b14d8e69e10f3f1abaf7a9d427cea5f5
[INFO] running `Command { std: "docker" "start" "-a" "42c22b9c413d8cf28fcc9b6a451f09f6b14d8e69e10f3f1abaf7a9d427cea5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42c22b9c413d8cf28fcc9b6a451f09f6b14d8e69e10f3f1abaf7a9d427cea5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c22b9c413d8cf28fcc9b6a451f09f6b14d8e69e10f3f1abaf7a9d427cea5f5", kill_on_drop: false }`
[INFO] [stdout] 42c22b9c413d8cf28fcc9b6a451f09f6b14d8e69e10f3f1abaf7a9d427cea5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ddc312badeb94660b830b08cbf8e8631161025bebf9278ee675d9039e6f47a6
[INFO] running `Command { std: "docker" "start" "-a" "0ddc312badeb94660b830b08cbf8e8631161025bebf9278ee675d9039e6f47a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pseudo-backtrace-derive v0.2.1
[INFO] [stderr]    Compiling pseudo-backtrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "0ddc312badeb94660b830b08cbf8e8631161025bebf9278ee675d9039e6f47a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddc312badeb94660b830b08cbf8e8631161025bebf9278ee675d9039e6f47a6", kill_on_drop: false }`
[INFO] [stdout] 0ddc312badeb94660b830b08cbf8e8631161025bebf9278ee675d9039e6f47a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fab24a8e37f063f676f7f193341f2f459eb2734174b259e1047d3f781622ef62
[INFO] running `Command { std: "docker" "start" "-a" "fab24a8e37f063f676f7f193341f2f459eb2734174b259e1047d3f781622ef62", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stderr]    Compiling pseudo-backtrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.82s
[INFO] running `Command { std: "docker" "inspect" "fab24a8e37f063f676f7f193341f2f459eb2734174b259e1047d3f781622ef62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab24a8e37f063f676f7f193341f2f459eb2734174b259e1047d3f781622ef62", kill_on_drop: false }`
[INFO] [stdout] fab24a8e37f063f676f7f193341f2f459eb2734174b259e1047d3f781622ef62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74e0022853fe75f00d70d485ab774a660d0307896d2a60955f1ff47e6547936e
[INFO] running `Command { std: "docker" "start" "-a" "74e0022853fe75f00d70d485ab774a660d0307896d2a60955f1ff47e6547936e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pseudo_backtrace-2d39e5767fbb430b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::stack_writer_limit ... 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/trybuild.rs (/opt/rustwide/target/debug/deps/trybuild-3010896ff3de9093)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling pseudo-backtrace-derive v0.2.1
[INFO] [stderr]    Compiling pseudo-backtrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pseudo-backtrace-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/pseudo-backtrace)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/trybuild/pass/boxed_error.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/boxed_stacked.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/enum_variants.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/generic_fallback.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/inferred_source.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/located_error.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/option_stacked.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/option_struct.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/simple_struct.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/pass/tuple_struct.rs [should pass] ... ok
[INFO] [stderr] test tests/trybuild/fail/duplicate_location.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/duplicate_source.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/duplicate_stack_error_std.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/invalid_stack_error_arg.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/missing_location.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/multiple_std.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/tuple_missing_attrs.rs [should fail to compile] ... ok
[INFO] [stderr] test tests/trybuild/fail/unit_variant.rs [should fail to compile] ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test trybuild_ui ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.26s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pseudo_backtrace
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - StackErrorExt::to_chain (line 223) ... ignored
[INFO] [stdout] test src/lib.rs - StackErrorExt::to_chain_with_limit (line 239) ... ignored
[INFO] [stdout] test src/../README.md - (line 143) ... ok
[INFO] [stdout] test src/../README.md - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - LocatedError (line 130) ... ok
[INFO] [stdout] test src/../README.md - (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - StackErrorExt::first_std (line 305) ... ignored
[INFO] [stdout] test src/lib.rs - StackErrorExt::last (line 264) ... ignored
[INFO] [stdout] test src/lib.rs - StackErrorExt::last_stacked (line 283) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.35s; merged doctests compilation took 0.34s
[INFO] running `Command { std: "docker" "inspect" "74e0022853fe75f00d70d485ab774a660d0307896d2a60955f1ff47e6547936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e0022853fe75f00d70d485ab774a660d0307896d2a60955f1ff47e6547936e", kill_on_drop: false }`
[INFO] [stdout] 74e0022853fe75f00d70d485ab774a660d0307896d2a60955f1ff47e6547936e