[INFO] fetching crate zng-view-prebuilt 0.19.0...
[INFO] testing zng-view-prebuilt-0.19.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zng-view-prebuilt 0.19.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zng-view-prebuilt 0.19.0
[INFO] finished tweaking crates.io crate zng-view-prebuilt 0.19.0
[INFO] tweaked toml for crates.io crate zng-view-prebuilt 0.19.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zng-view-prebuilt 0.19.0 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 zng-view-prebuilt 0.19.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e0d4dc331f5a872da443c1414270238d4a1929a3ed37b8e50ae59162be294f2d
[INFO] running `Command { std: "docker" "start" "-a" "e0d4dc331f5a872da443c1414270238d4a1929a3ed37b8e50ae59162be294f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d4dc331f5a872da443c1414270238d4a1929a3ed37b8e50ae59162be294f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d4dc331f5a872da443c1414270238d4a1929a3ed37b8e50ae59162be294f2d", kill_on_drop: false }`
[INFO] [stdout] e0d4dc331f5a872da443c1414270238d4a1929a3ed37b8e50ae59162be294f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b8d305baebf6bafcd6a17984516924282070011152f4082f5478fa06ee32b7dc
[INFO] running `Command { std: "docker" "start" "-a" "b8d305baebf6bafcd6a17984516924282070011152f4082f5478fa06ee32b7dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling linkme-impl v0.3.33
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling zng-view-api v0.17.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling directories v6.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling zng-view-prebuilt v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: zng-view-prebuilt@0.19.0: view prebuilt not embedded, failed download, curl exit code: Some(6)
[INFO] [stderr] error: failed to run custom build command for `zng-view-prebuilt v0.19.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/zng-view-prebuilt-393991015b82eb88/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rustc-check-cfg=cfg(zng_lib_embedded)
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/lib
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]   cargo:warning=view prebuilt not embedded, failed download, curl exit code: Some(6)
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   curl: (6) Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (445) panicked at build.rs:119:9:
[INFO] [stderr]   view prebuilt not embedded, missing 'libzng_view.x86_64-unknown-linux-gnu.so'
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5cbec6cae392 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5cbec6cae392 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5cbec6cae392 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5cbec6cae392 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5cbec6cbd65f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5cbec6cbd65f - core::fmt::write::h8a63064c67176fd8
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5cbec6c84ed3 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5cbec6c84ed3 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5cbec6c8e212 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5cbec6c8fd8c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5cbec6c8fbe6 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5cbec6c90365 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5cbec6c901fa - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5cbec6c8e349 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5cbec6c793cd - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5cbec6cc0c20 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5cbec6c689ad - build_script_build::main::h464d1825a011c38c
[INFO] [stderr]     17:     0x5cbec6c698b3 - core::ops::function::FnOnce::call_once::he4cf190579ee6e3a
[INFO] [stderr]     18:     0x5cbec6c6f036 - std::sys::backtrace::__rust_begin_short_backtrace::h79d2fc59c3197217
[INFO] [stderr]     19:     0x5cbec6c69539 - std::rt::lang_start::{{closure}}::hdc488bf8ee48b267
[INFO] [stderr]     20:     0x5cbec6c86790 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x5cbec6c86790 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]     22:     0x5cbec6c86790 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]     23:     0x5cbec6c86790 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5cbec6c86790 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x5cbec6c86790 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]     26:     0x5cbec6c86790 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]     27:     0x5cbec6c86790 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5cbec6c86790 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x5cbec6c69521 - std::rt::lang_start::he1b7330d74a0dd57
[INFO] [stderr]     30:     0x5cbec6c6cb95 - main
[INFO] [stderr]     31:     0x7fda0b7421ca - <unknown>
[INFO] [stderr]     32:     0x7fda0b74228b - __libc_start_main
[INFO] [stderr]     33:     0x5cbec6c66ee5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b8d305baebf6bafcd6a17984516924282070011152f4082f5478fa06ee32b7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d305baebf6bafcd6a17984516924282070011152f4082f5478fa06ee32b7dc", kill_on_drop: false }`
[INFO] [stdout] b8d305baebf6bafcd6a17984516924282070011152f4082f5478fa06ee32b7dc