[INFO] cloning repository https://github.com/SkillfulElectro/em_netutils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SkillfulElectro/em_netutils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkillfulElectro%2Fem_netutils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkillfulElectro%2Fem_netutils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09ba1899e46f6d58b021f6e089d7bdde365b2b76
[INFO] checking SkillfulElectro/em_netutils against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkillfulElectro%2Fem_netutils" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SkillfulElectro/em_netutils
[INFO] finished tweaking git repo https://github.com/SkillfulElectro/em_netutils
[INFO] tweaked toml for git repo https://github.com/SkillfulElectro/em_netutils written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SkillfulElectro/em_netutils on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SkillfulElectro/em_netutils 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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbindgen v0.27.0
[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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9c3aabba2c467d7a1cc458d00bc1c52c89c3b36b7497a9f5eec4099eaf84348
[INFO] running `Command { std: "docker" "start" "-a" "a9c3aabba2c467d7a1cc458d00bc1c52c89c3b36b7497a9f5eec4099eaf84348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c3aabba2c467d7a1cc458d00bc1c52c89c3b36b7497a9f5eec4099eaf84348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c3aabba2c467d7a1cc458d00bc1c52c89c3b36b7497a9f5eec4099eaf84348", kill_on_drop: false }`
[INFO] [stdout] a9c3aabba2c467d7a1cc458d00bc1c52c89c3b36b7497a9f5eec4099eaf84348
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feecd9075b47383a93274b59fbcac00a303873c4a1fc1fa8a36386f380ba792b
[INFO] running `Command { std: "docker" "start" "-a" "feecd9075b47383a93274b59fbcac00a303873c4a1fc1fa8a36386f380ba792b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling cbindgen v0.27.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling em_netutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `em_netutils v0.1.0 (/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/em_netutils-bd827bc8f5bd0262/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (496) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cbindgen-0.27.0/src/bindgen/bindings.rs:181:44:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63fb881337ba - std[8a966dcde76e446a]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63fb881337ba - std[8a966dcde76e446a]::backtrace_rs::backtrace::trace_unsynchronized::<std[8a966dcde76e446a]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63fb881337ba - std[8a966dcde76e446a]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x63fb881337ba - <<std[8a966dcde76e446a]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[cc065995d05a9c03]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x63fb88149eea - <core[cc065995d05a9c03]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x63fb88149eea - core[cc065995d05a9c03]::fmt::write
[INFO] [stderr]      6:     0x63fb88138b82 - std[8a966dcde76e446a]::io::default_write_fmt::<std[8a966dcde76e446a]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63fb88138b82 - <std[8a966dcde76e446a]::sys::stdio::unix::Stderr as std[8a966dcde76e446a]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x63fb8811595f - <std[8a966dcde76e446a]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x63fb8811595f - std[8a966dcde76e446a]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x63fb8812e3f1 - std[8a966dcde76e446a]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x63fb8812e66b - std[8a966dcde76e446a]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x63fb88115a18 - std[8a966dcde76e446a]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x63fb8810aad9 - std[8a966dcde76e446a]::sys::backtrace::__rust_end_short_backtrace::<std[8a966dcde76e446a]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x63fb881162fd - __rustc[1584a6b83ab98570]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x63fb8814a72c - core[cc065995d05a9c03]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x63fb8814a4a2 - core[cc065995d05a9c03]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x63fb87d44e11 - <cbindgen[150697665bf2f12]::bindgen::bindings::Bindings>::write_to_file::<&str>
[INFO] [stderr]     18:     0x63fb87d4a758 - build_script_build[9cd3e10b9e8f643e]::main
[INFO] [stderr]     19:     0x63fb87d54783 - <fn() as core[cc065995d05a9c03]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x63fb87d46976 - std[8a966dcde76e446a]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x63fb87d54079 - std[8a966dcde76e446a]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x63fb8812d534 - <&dyn core[cc065995d05a9c03]::ops::function::Fn<(), Output = i32> + core[cc065995d05a9c03]::panic::unwind_safe::RefUnwindSafe + core[cc065995d05a9c03]::marker::Sync as core[cc065995d05a9c03]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x63fb8812d534 - std[8a966dcde76e446a]::panicking::catch_unwind::do_call::<&dyn core[cc065995d05a9c03]::ops::function::Fn<(), Output = i32> + core[cc065995d05a9c03]::panic::unwind_safe::RefUnwindSafe + core[cc065995d05a9c03]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x63fb8812d534 - std[8a966dcde76e446a]::panicking::catch_unwind::<i32, &dyn core[cc065995d05a9c03]::ops::function::Fn<(), Output = i32> + core[cc065995d05a9c03]::panic::unwind_safe::RefUnwindSafe + core[cc065995d05a9c03]::marker::Sync>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x63fb8812d534 - std[8a966dcde76e446a]::panic::catch_unwind::<&dyn core[cc065995d05a9c03]::ops::function::Fn<(), Output = i32> + core[cc065995d05a9c03]::panic::unwind_safe::RefUnwindSafe + core[cc065995d05a9c03]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x63fb8812d534 - std[8a966dcde76e446a]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x63fb8812d534 - std[8a966dcde76e446a]::panicking::catch_unwind::do_call::<std[8a966dcde76e446a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x63fb8812d534 - std[8a966dcde76e446a]::panicking::catch_unwind::<isize, std[8a966dcde76e446a]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x63fb8812d534 - std[8a966dcde76e446a]::panic::catch_unwind::<std[8a966dcde76e446a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x63fb8812d534 - std[8a966dcde76e446a]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/39605810efb1a0d52f955bfba9e4eec7a01d5deb/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x63fb87d52d31 - std[8a966dcde76e446a]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x63fb87d4b005 - main
[INFO] [stderr]     33:     0x701a5c1c71ca - <unknown>
[INFO] [stderr]     34:     0x701a5c1c728b - __libc_start_main
[INFO] [stderr]     35:     0x63fb87cfaf15 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "feecd9075b47383a93274b59fbcac00a303873c4a1fc1fa8a36386f380ba792b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feecd9075b47383a93274b59fbcac00a303873c4a1fc1fa8a36386f380ba792b", kill_on_drop: false }`
[INFO] [stdout] feecd9075b47383a93274b59fbcac00a303873c4a1fc1fa8a36386f380ba792b