[INFO] fetching crate saimiris 0.1.1...
[INFO] testing saimiris-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate saimiris 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate saimiris 0.1.1
[INFO] finished tweaking crates.io crate saimiris 0.1.1
[INFO] tweaked toml for crates.io crate saimiris 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate saimiris 0.1.1 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 saimiris 0.1.1 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-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d9d9549224956fc1844f4c22269a0c192f169b0f6d3d171d16ee726d7659ca6
[INFO] running `Command { std: "docker" "start" "-a" "6d9d9549224956fc1844f4c22269a0c192f169b0f6d3d171d16ee726d7659ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9d9549224956fc1844f4c22269a0c192f169b0f6d3d171d16ee726d7659ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9d9549224956fc1844f4c22269a0c192f169b0f6d3d171d16ee726d7659ca6", kill_on_drop: false }`
[INFO] [stdout] 6d9d9549224956fc1844f4c22269a0c192f169b0f6d3d171d16ee726d7659ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 33f89e079675c3e87091c83dd9701676ad0f00566cd4685e7d9bfdc33619251e
[INFO] running `Command { std: "docker" "start" "-a" "33f89e079675c3e87091c83dd9701676ad0f00566cd4685e7d9bfdc33619251e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cc v1.2.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling pnet_base v0.35.0
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]    Compiling capnp v0.21.0
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling ip_network_table-deps-treebitmap v0.5.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling rdkafka-sys v4.8.0+2.3.0
[INFO] [stderr]    Compiling ip_network v0.4.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling syn v2.0.92
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling shared_child v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling pnet_sys v0.35.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling duct v0.13.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling trim-in-place v0.1.7
[INFO] [stderr]    Compiling yaml-rust2 v0.10.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ip_network_table v0.2.0
[INFO] [stderr]    Compiling rust-ini v0.21.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling sasl2-sys v0.1.22+2.1.28
[INFO] [stderr]    Compiling capnpc v0.21.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling winnow v0.7.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling saimiris v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `saimiris v0.1.1 (/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/saimiris-e2c965df864b5136/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   could not open file "src/probe_capnp.rs" for writing: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1584) panicked at build.rs:9:10:
[INFO] [stderr]   capnp compiles: Error { kind: Failed, extra: "Error while trying to execute `capnp compile`: Failed: Read-only file system (os error 30)." }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e714890c7da - 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:     0x5e714890c7da - 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:     0x5e714890c7da - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e714890c7da - <<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:     0x5e714891fc1a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e714891fc1a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x5e7148910b22 - 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:     0x5e7148910b22 - <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:     0x5e71488ef4ff - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e71488ef4ff - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e7148907e21 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e7148907fdb - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5e71488ef5b8 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5e71488e4679 - 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:     0x5e71488efe9d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5e714892036c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e71489200e2 - core[6771d259883166e6]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5e71488a2849 - core::result::Result<T,E>::expect::hdc84f71d51243266
[INFO] [stderr]     18:     0x5e714882ed0c - build_script_build::main::h24e106867184badf
[INFO] [stderr]     19:     0x5e714882ee93 - core::ops::function::FnOnce::call_once::h0ecc57c62e4050ed
[INFO] [stderr]     20:     0x5e714882ee76 - std::sys::backtrace::__rust_begin_short_backtrace::h351ab0b9fca40dac
[INFO] [stderr]     21:     0x5e714882ee59 - std::rt::lang_start::{{closure}}::h2d207565b0c9edc4
[INFO] [stderr]     22:     0x5e7148907064 - <&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:     0x5e7148907064 - 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:     0x5e7148907064 - 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:     0x5e7148907064 - 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:     0x5e7148907064 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5e7148907064 - 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:     0x5e7148907064 - 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:     0x5e7148907064 - 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:     0x5e7148907064 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5e714882ee41 - std::rt::lang_start::hcd2b7c2fc9c9fa7e
[INFO] [stderr]     32:     0x5e714882f3f5 - main
[INFO] [stderr]     33:     0x70ae62b721ca - <unknown>
[INFO] [stderr]     34:     0x70ae62b7228b - __libc_start_main
[INFO] [stderr]     35:     0x5e714882eb75 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "33f89e079675c3e87091c83dd9701676ad0f00566cd4685e7d9bfdc33619251e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f89e079675c3e87091c83dd9701676ad0f00566cd4685e7d9bfdc33619251e", kill_on_drop: false }`
[INFO] [stdout] 33f89e079675c3e87091c83dd9701676ad0f00566cd4685e7d9bfdc33619251e
