[INFO] cloning repository https://github.com/jonwolski/records-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonwolski/records-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonwolski%2Frecords-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonwolski%2Frecords-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9160bb9cae332ff74b51056374943788f3335dc
[INFO] checking jonwolski/records-in-rust against master#80b898258da78fdd1262438126aa0cf90e395f0c for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonwolski%2Frecords-in-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonwolski/records-in-rust
[INFO] finished tweaking git repo https://github.com/jonwolski/records-in-rust
[INFO] tweaked toml for git repo https://github.com/jonwolski/records-in-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonwolski/records-in-rust on toolchain 80b898258da78fdd1262438126aa0cf90e395f0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonwolski/records-in-rust 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" "+80b898258da78fdd1262438126aa0cf90e395f0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.1.15
[INFO] [stderr]   Downloaded tango v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 197da9728aa45607237e74bf71164c283561459ce8c687c14d476ad5d86fbc2a
[INFO] running `Command { std: "docker" "start" "-a" "197da9728aa45607237e74bf71164c283561459ce8c687c14d476ad5d86fbc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197da9728aa45607237e74bf71164c283561459ce8c687c14d476ad5d86fbc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197da9728aa45607237e74bf71164c283561459ce8c687c14d476ad5d86fbc2a", kill_on_drop: false }`
[INFO] [stdout] 197da9728aa45607237e74bf71164c283561459ce8c687c14d476ad5d86fbc2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8932e3bb8dec786d234975ec7f9bc6a71cd48e7f6b4175d9d98939f3130d6fd
[INFO] running `Command { std: "docker" "start" "-a" "e8932e3bb8dec786d234975ec7f9bc6a71cd48e7f6b4175d9d98939f3130d6fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling tango v0.8.3
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling records-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `records-in-rust 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/records-in-rust-0aa50e95c94e4411/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   emit rerun if: false
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Rerunning tango; last recorded run was stamped: 2026-02-03 23:38:18.877141902 (GMT)
[INFO] [stderr] 
[INFO] [stderr]    in check_path, the root is: "src" , path is: "src/lib.rs", ext is "rs"
[INFO] [stderr] 
[INFO] [stderr]    in check_path, the root is: "src" , path is: "src/lib.md", ext is "md"
[INFO] [stderr] 
[INFO] [stderr]    in check_path, the root is: "src" , path is: "src/lib.md", ext is "md"
[INFO] [stderr] 
[INFO] [stderr]    in check_path, the root is: "src" , path is: "src/lib.rs", ext is "rs"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (240) panicked at build.rs:3:35:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a3b16934dda - std[7c3c0600baff8190]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a3b16934dda - std[7c3c0600baff8190]::backtrace_rs::backtrace::trace_unsynchronized::<std[7c3c0600baff8190]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a3b16934dda - std[7c3c0600baff8190]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5a3b16934dda - <<std[7c3c0600baff8190]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fbd0e0bc949cf432]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5a3b169469aa - <core[fbd0e0bc949cf432]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5a3b169469aa - core[fbd0e0bc949cf432]::fmt::write
[INFO] [stderr]      6:     0x5a3b169392f2 - std[7c3c0600baff8190]::io::default_write_fmt::<std[7c3c0600baff8190]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a3b169392f2 - <std[7c3c0600baff8190]::sys::stdio::unix::Stderr as std[7c3c0600baff8190]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5a3b1691f67f - <std[7c3c0600baff8190]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5a3b1691f67f - std[7c3c0600baff8190]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5a3b16930911 - std[7c3c0600baff8190]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5a3b16930acb - std[7c3c0600baff8190]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5a3b1691f738 - std[7c3c0600baff8190]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5a3b16914c09 - std[7c3c0600baff8190]::sys::backtrace::__rust_end_short_backtrace::<std[7c3c0600baff8190]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5a3b1691ff9d - __rustc[dbbf029e6c35fe5c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5a3b1694704c - core[fbd0e0bc949cf432]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5a3b16946e22 - core[fbd0e0bc949cf432]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5a3b168e2375 - build_script_build[cd7930ee8d15b545]::main
[INFO] [stderr]     18:     0x5a3b168e2a13 - <fn() as core[fbd0e0bc949cf432]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5a3b168e22c6 - std[7c3c0600baff8190]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5a3b168e22d9 - std[7c3c0600baff8190]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5a3b16930096 - <&dyn core[fbd0e0bc949cf432]::ops::function::Fn<(), Output = i32> + core[fbd0e0bc949cf432]::marker::Sync + core[fbd0e0bc949cf432]::panic::unwind_safe::RefUnwindSafe as core[fbd0e0bc949cf432]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5a3b16930096 - std[7c3c0600baff8190]::panicking::catch_unwind::do_call::<&dyn core[fbd0e0bc949cf432]::ops::function::Fn<(), Output = i32> + core[fbd0e0bc949cf432]::marker::Sync + core[fbd0e0bc949cf432]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5a3b16930096 - std[7c3c0600baff8190]::panicking::catch_unwind::<i32, &dyn core[fbd0e0bc949cf432]::ops::function::Fn<(), Output = i32> + core[fbd0e0bc949cf432]::marker::Sync + core[fbd0e0bc949cf432]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5a3b16930096 - std[7c3c0600baff8190]::panic::catch_unwind::<&dyn core[fbd0e0bc949cf432]::ops::function::Fn<(), Output = i32> + core[fbd0e0bc949cf432]::marker::Sync + core[fbd0e0bc949cf432]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5a3b16930096 - std[7c3c0600baff8190]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5a3b16930096 - std[7c3c0600baff8190]::panicking::catch_unwind::do_call::<std[7c3c0600baff8190]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5a3b16930096 - std[7c3c0600baff8190]::panicking::catch_unwind::<isize, std[7c3c0600baff8190]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5a3b16930096 - std[7c3c0600baff8190]::panic::catch_unwind::<std[7c3c0600baff8190]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5a3b16930096 - std[7c3c0600baff8190]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/80b898258da78fdd1262438126aa0cf90e395f0c/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5a3b168e22b1 - std[7c3c0600baff8190]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5a3b168e2a75 - main
[INFO] [stderr]     32:     0x720c266501ca - <unknown>
[INFO] [stderr]     33:     0x720c2665028b - __libc_start_main
[INFO] [stderr]     34:     0x5a3b168e20f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e8932e3bb8dec786d234975ec7f9bc6a71cd48e7f6b4175d9d98939f3130d6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8932e3bb8dec786d234975ec7f9bc6a71cd48e7f6b4175d9d98939f3130d6fd", kill_on_drop: false }`
[INFO] [stdout] e8932e3bb8dec786d234975ec7f9bc6a71cd48e7f6b4175d9d98939f3130d6fd