[INFO] fetching crate nestum 0.3.2...
[INFO] testing nestum-0.3.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate nestum 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate nestum 0.3.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nestum 0.3.2
[INFO] tweaked toml for crates.io crate nestum 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nestum 0.3.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nestum 0.3.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430
[INFO] running `Command { std: "docker" "start" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling module_path_extractor v0.3.16
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling nestum v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 25.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling nestum v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling toml v0.9.11+spec-1.1.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling trybuild v1.0.115
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling module_path_extractor v0.3.16
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/nestum/8662d654e124f303/out/nestum-8662d654e124f303)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::parse_variant_external_path_rejects_non_string_external ... ok
[INFO] [stdout] test tests::parse_variant_external_path_rejects_unknown_keys ... ok
[INFO] [stdout] test tests::parse_variant_external_path_accepts_valid_external ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ecosystem.rs (/opt/rustwide/target/release/build/nestum/e3562e3c10fa6225/out/ecosystem-e3562e3c10fa6225)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test thiserror_transparent_and_from_work_with_nested_enums ... ok
[INFO] [stdout] test serde_round_trip_preserves_nested_envelope_shape ... ok
[INFO] [stdout] test transitive_from_reaches_the_outer_error_envelope ... ok
[INFO] [stdout] test named_field_nested_errors_keep_their_source_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/rustdoc_surface.rs (/opt/rustwide/target/release/build/nestum/f7208aa2d57e4ad1/out/rustdoc_surface-f7208aa2d57e4ad1)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test rustdoc_hides_backing_names_from_downstream_surface ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- rustdoc_hides_backing_names_from_downstream_surface stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'rustdoc_hides_backing_names_from_downstream_surface' (1124) panicked at tests/rustdoc_surface.rs:75:9:
[INFO] [stdout] cargo doc failed
[INFO] [stdout] stdout:
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] error: failed to get `darling` as a dependency of package `nestum v0.3.2 (/opt/rustwide/workdir)`
[INFO] [stdout]     ... which satisfies path dependency `nestum` of package `nestum_doc_consumer v0.1.0 (/tmp/nestum_rustdoc_surface_1792327595019235047)`
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]   failed to load source for dependency `darling`
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]   unable to update registry `crates-io`
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]   download of config.json failed
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]   [6] Could not resolve hostname (Could not resolve host: index.crates.io)
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c6d2761c181 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5c6d2763079a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5c6d2762061c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5c6d275f6c76 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5c6d27613bf9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5c6d275aee10 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5c6d27613db2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5c6d275f6d22 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5c6d275ef789 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5c6d275f792d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5c6d27630ecc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5c6d275a1f45 - <rustdoc_surface[d12fad877b38605d]::rustdoc_hides_backing_names_from_downstream_surface::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x5c6d275a225b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   13:     0x5c6d275af435 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   14:     0x5c6d275a8d24 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   15:     0x5c6d275b24c2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   16:     0x5c6d2761b49f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   17:     0x76f267dc3dfa - <unknown>
[INFO] [stdout]   18:     0x76f267e573d4 - clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     rustdoc_hides_backing_names_from_downstream_surface
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test rustdoc_surface`
[INFO] running `Command { std: "docker" "inspect" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430", kill_on_drop: false }`
[INFO] [stdout] d17e0888d3a1cb12cd339182fdd2f5b8d7d6b0822149152e74ca72d7f4ccc430
