[INFO] fetching crate shadower 0.1.4...
[INFO] testing shadower-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shadower 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate shadower 0.1.4
[INFO] finished tweaking crates.io crate shadower 0.1.4
[INFO] tweaked toml for crates.io crate shadower 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadower 0.1.4 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 shadower 0.1.4 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f0b8a5678b3321ed8c8e50f4efb36a532f151fdefb54f37c785c3108fa05c27
[INFO] running `Command { std: "docker" "start" "-a" "8f0b8a5678b3321ed8c8e50f4efb36a532f151fdefb54f37c785c3108fa05c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0b8a5678b3321ed8c8e50f4efb36a532f151fdefb54f37c785c3108fa05c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0b8a5678b3321ed8c8e50f4efb36a532f151fdefb54f37c785c3108fa05c27", kill_on_drop: false }`
[INFO] [stdout] 8f0b8a5678b3321ed8c8e50f4efb36a532f151fdefb54f37c785c3108fa05c27
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3b39b7eb63a3de4a7b8dbcb4872e4497734cab81b35130b6f67d90fa96d532
[INFO] running `Command { std: "docker" "start" "-a" "0c3b39b7eb63a3de4a7b8dbcb4872e4497734cab81b35130b6f67d90fa96d532", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.7
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling clang-sys v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling winnow v0.3.5
[INFO] [stderr]    Compiling clap_lex v0.3.2
[INFO] [stderr]    Compiling fsio v0.4.0
[INFO] [stderr]    Compiling envmnt v0.10.4
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling is-terminal v0.4.4
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling clap_derive v4.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling ureq v2.6.2
[INFO] [stderr]    Compiling clap v4.1.8
[INFO] [stderr]    Compiling skia-bindings v0.58.0
[INFO] [stderr] error: failed to run custom build command for `skia-bindings v0.58.0`
[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/skia-bindings-becb3ba0832d305e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=DOCS_RS
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_DEBUG
[INFO] [stderr]   HOST: x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_SOURCE_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=FORCE_SKIA_BUILD
[INFO] [stderr]   cargo:rerun-if-env-changed=FORCE_SKIA_BINARIES_DOWNLOAD
[INFO] [stderr]   TRYING TO DOWNLOAD AND INSTALL SKIA BINARIES: 0.58.0/3e3c012335c2258c0e10-x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_BINARIES_URL
[INFO] [stderr]     FROM: https://github.com/rust-skia/skia-binaries/releases/download/0.58.0/skia-binaries-3e3c012335c2258c0e10-x86_64-unknown-linux-gnu.tar.gz
[INFO] [stderr]   DOWNLOAD AND INSTALL FAILED: https://github.com/rust-skia/skia-binaries/releases/download/0.58.0/skia-binaries-3e3c012335c2258c0e10-x86_64-unknown-linux-gnu.tar.gz: Dns Failed: resolve dns name 'github.com:443': failed to lookup address information: Temporary failure in name resolution
[INFO] [stderr]   STARTING A FULL BUILD
[INFO] [stderr]   cargo:rerun-if-env-changed=CLANGCC
[INFO] [stderr]   cargo:rerun-if-env-changed=CC
[INFO] [stderr]   cargo:rerun-if-env-changed=CLANGCXX
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX
[INFO] [stderr]   HOST: x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=OPT_LEVEL
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_USE_SYSTEM_LIBRARIES
[INFO] [stderr]   cargo:rerun-if-env-changed=SDKTARGETSYSROOT
[INFO] [stderr]   cargo:rerun-if-env-changed=SDKROOT
[INFO] [stderr]   HOST: x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_NINJA_COMMAND
[INFO] [stderr]   cargo:rerun-if-env-changed=SKIA_GN_COMMAND
[INFO] [stderr]   Probing 'python'
[INFO] [stderr]   Probing 'python3'
[INFO] [stderr]   Python 3 found: "python3"
[INFO] [stderr]   Synchronizing Skia dependencies
[INFO] [stderr]   DOWNLOADING: https://codeload.github.com/rust-skia/skia/tar.gz/m109-0.57.1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1827) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skia-bindings-0.58.0/build_support/binary_cache/download.rs:68:35:
[INFO] [stderr]   Failed to download https://codeload.github.com/rust-skia/skia/tar.gz/m109-0.57.1 (https://codeload.github.com/rust-skia/skia/tar.gz/m109-0.57.1: Dns Failed: resolve dns name 'codeload.github.com:443': failed to lookup address information: Temporary failure in name resolution)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x60fab588255a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60fab588255a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60fab588255a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x60fab588255a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x60fab589bfba - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x60fab589bfba - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x60fab58893a2 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x60fab58893a2 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x60fab585f46f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x60fab585f46f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x60fab587a751 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x60fab587a9cb - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x60fab585f528 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x60fab58542f9 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x60fab586032d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x60fab589c7fc - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x60fab510ef9d - build_script_build::build_support::binary_cache::download::download_dependencies::{{closure}}::h1a5a642b46ef0aa4
[INFO] [stderr]     17:     0x60fab50fdac0 - core::result::Result<T,E>::unwrap_or_else::h16e669c6739dda54
[INFO] [stderr]     18:     0x60fab510e622 - build_script_build::build_support::binary_cache::download::download_dependencies::hc09d30c813f67302
[INFO] [stderr]     19:     0x60fab510d768 - build_script_build::build_support::binary_cache::download::resolve_dependencies::hea5ddfe007553b7c
[INFO] [stderr]     20:     0x60fab5107735 - build_script_build::build_support::skia::config::build::hbd3dc20359aff0c5
[INFO] [stderr]     21:     0x60fab51127d2 - build_script_build::build_from_source::hf5e22c30538bcb69
[INFO] [stderr]     22:     0x60fab51135d2 - build_script_build::main::h9c1733b554b5f186
[INFO] [stderr]     23:     0x60fab50efb63 - core::ops::function::FnOnce::call_once::h085e346eea583135
[INFO] [stderr]     24:     0x60fab50f8556 - std::sys::backtrace::__rust_begin_short_backtrace::hed610bcf662f4efa
[INFO] [stderr]     25:     0x60fab50fd249 - std::rt::lang_start::{{closure}}::h7845d4e60bdb492b
[INFO] [stderr]     26:     0x60fab5879824 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     27:     0x60fab5879824 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x60fab5879824 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x60fab5879824 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x60fab5879824 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     31:     0x60fab5879824 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     32:     0x60fab5879824 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     33:     0x60fab5879824 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     34:     0x60fab5879824 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     35:     0x60fab50fd231 - std::rt::lang_start::h0ff8e1af6c09cb6c
[INFO] [stderr]     36:     0x60fab5115575 - main
[INFO] [stderr]     37:     0x7df2e61e41ca - <unknown>
[INFO] [stderr]     38:     0x7df2e61e428b - __libc_start_main
[INFO] [stderr]     39:     0x60fab50de8a5 - _start
[INFO] [stderr]     40:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0c3b39b7eb63a3de4a7b8dbcb4872e4497734cab81b35130b6f67d90fa96d532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3b39b7eb63a3de4a7b8dbcb4872e4497734cab81b35130b6f67d90fa96d532", kill_on_drop: false }`
[INFO] [stdout] 0c3b39b7eb63a3de4a7b8dbcb4872e4497734cab81b35130b6f67d90fa96d532
