[INFO] fetching crate sixel-rs 0.5.0...
[INFO] testing sixel-rs-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sixel-rs 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sixel-rs 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sixel-rs 0.5.0
[INFO] tweaked toml for crates.io crate sixel-rs 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sixel-rs 0.5.0 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 sixel-rs 0.5.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 148eeebae36642181a56486b66487bcc193463911c015178f778b07d6e5ad94b
[INFO] running `Command { std: "docker" "start" "-a" "148eeebae36642181a56486b66487bcc193463911c015178f778b07d6e5ad94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "148eeebae36642181a56486b66487bcc193463911c015178f778b07d6e5ad94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148eeebae36642181a56486b66487bcc193463911c015178f778b07d6e5ad94b", kill_on_drop: false }`
[INFO] [stdout] 148eeebae36642181a56486b66487bcc193463911c015178f778b07d6e5ad94b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a06bac61c7a654731b0ce866aa3fb0246fd1fb9f3705f917d936a20e1a6b7f5
[INFO] running `Command { std: "docker" "start" "-a" "7a06bac61c7a654731b0ce866aa3fb0246fd1fb9f3705f917d936a20e1a6b7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.23
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling autotools v0.2.7
[INFO] [stderr]    Compiling sixel-sys v0.5.0
[INFO] [stderr] warning: sixel-sys@0.5.0: WITHOUT PNG
[INFO] [stderr] error: failed to run custom build command for `sixel-sys v0.5.0`
[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/sixel-sys-a5a83a5ad09bccba/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::warning=WITHOUT PNG
[INFO] [stderr]   running: cd "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sixel-sys-0.5.0/libsixel" && "sh" "-c" "exec \"$0\" \"$@\"" "autoreconf" "-ivf"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   autoreconf: export WARNINGS=
[INFO] [stderr]   autoreconf: Entering directory '.'
[INFO] [stderr]   autoreconf: configure.ac: not using Gettext
[INFO] [stderr]   autoreconf: running: aclocal --force -I m4 ${ACLOCAL_FLAGS}
[INFO] [stderr]   autom4te: error: cannot create autom4te.cache in /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sixel-sys-0.5.0/libsixel: Read-only file system
[INFO] [stderr]   aclocal: error: /usr/bin/autom4te failed with exit status: 1
[INFO] [stderr]   autoreconf: error: aclocal failed with exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (84) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/autotools-0.2.7/src/lib.rs:790:5:
[INFO] [stderr] 
[INFO] [stderr]   command did not execute successfully, got: exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   build script failed, must exit now
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x638e925e4eca - 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:     0x638e925e4eca - 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:     0x638e925e4eca - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x638e925e4eca - <<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:     0x638e925f8d0a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x638e925f8d0a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x638e925eac62 - 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:     0x638e925eac62 - <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:     0x638e925c764f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x638e925c764f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x638e925e0291 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x638e925e044b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x638e925c7708 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x638e925bc869 - 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:     0x638e925c806d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x638e925f949c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x638e925509b7 - autotools::fail::h5edc5ac7c84dced8
[INFO] [stderr]     17:     0x638e92553e68 - autotools::Config::build::hf8b116e4fadd7c93
[INFO] [stderr]     18:     0x638e9254b012 - build_script_build::main::hb63532563102b39b
[INFO] [stderr]     19:     0x638e9254b983 - core::ops::function::FnOnce::call_once::ha409c91acc8bfd11
[INFO] [stderr]     20:     0x638e9254b796 - std::sys::backtrace::__rust_begin_short_backtrace::hfa5ef78743fb5558
[INFO] [stderr]     21:     0x638e9254b3e9 - std::rt::lang_start::{{closure}}::h26b36c91635305e1
[INFO] [stderr]     22:     0x638e925df294 - <&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]     23:     0x638e925df294 - 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]     24:     0x638e925df294 - 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]     25:     0x638e925df294 - 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]     26:     0x638e925df294 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x638e925df294 - 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]     28:     0x638e925df294 - 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]     29:     0x638e925df294 - 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]     30:     0x638e925df294 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x638e9254b3d1 - std::rt::lang_start::h171aa26c295955de
[INFO] [stderr]     32:     0x638e9254e255 - main
[INFO] [stderr]     33:     0x7e52791401ca - <unknown>
[INFO] [stderr]     34:     0x7e527914028b - __libc_start_main
[INFO] [stderr]     35:     0x638e9254a425 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7a06bac61c7a654731b0ce866aa3fb0246fd1fb9f3705f917d936a20e1a6b7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a06bac61c7a654731b0ce866aa3fb0246fd1fb9f3705f917d936a20e1a6b7f5", kill_on_drop: false }`
[INFO] [stdout] 7a06bac61c7a654731b0ce866aa3fb0246fd1fb9f3705f917d936a20e1a6b7f5
