[INFO] fetching crate fltk-flow 0.2.4...
[INFO] testing fltk-flow-0.2.4 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate fltk-flow 0.2.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fltk-flow 0.2.4
[INFO] finished tweaking crates.io crate fltk-flow 0.2.4
[INFO] tweaked toml for crates.io crate fltk-flow 0.2.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fltk-flow 0.2.4 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fltk-flow 0.2.4 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11a875e288bd49b8c3880f5babef4f2a926478818d9334dac6ef7366b5baae08
[INFO] running `Command { std: "docker" "start" "-a" "11a875e288bd49b8c3880f5babef4f2a926478818d9334dac6ef7366b5baae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11a875e288bd49b8c3880f5babef4f2a926478818d9334dac6ef7366b5baae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a875e288bd49b8c3880f5babef4f2a926478818d9334dac6ef7366b5baae08", kill_on_drop: false }`
[INFO] [stdout] 11a875e288bd49b8c3880f5babef4f2a926478818d9334dac6ef7366b5baae08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] e11cd4c8a4bc88f78e388fcd293e15f0a412387c7cc92062e2e05b1cb020c442
[INFO] running `Command { std: "docker" "start" "-a" "e11cd4c8a4bc88f78e388fcd293e15f0a412387c7cc92062e2e05b1cb020c442", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling fltk-build v0.1.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling ttf-parser v0.21.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling fltk-sys v1.4.32
[INFO] [stderr]    Compiling fltk v1.4.32
[INFO] [stderr]    Compiling fltk-flow v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `fltk-flow v0.2.4 (/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/fltk-flow/7e0e417dc8c20363/build-script/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (2962) panicked at build.rs:4:39:
[INFO] [stderr]   called `Option::unwrap()` on a `None` value
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x578328f0e942 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x578328f0e942 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x578328f0e942 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x578328f0e942 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x578328f238da - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x578328f238da - core[8f93d80df273fe75]::fmt::write
[INFO] [stderr]      6:     0x578328f15096 - std[840933623431fd06]::io::default_write_fmt::<std[840933623431fd06]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x578328f15096 - <std[840933623431fd06]::sys::stdio::unix::Stderr as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x578328eef05f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x578328eef05f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x578328f08f31 - std[840933623431fd06]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x578328f090eb - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x578328eef14a - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x578328ee6969 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x578328eefb8d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x578328f23f8c - core[8f93d80df273fe75]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x578328f23f52 - core[8f93d80df273fe75]::panicking::panic
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x578328f23d09 - core[8f93d80df273fe75]::option::unwrap_failed
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/option.rs:2199:5
[INFO] [stderr]     18:     0x578328e73eb1 - build_script_build[64d7c5e5efc77ffa]::main
[INFO] [stderr]     19:     0x578328e741f3 - <fn() as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x578328e73e36 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x578328e73e49 - std[840933623431fd06]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x578328f07fe6 - <&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x578328f07fe6 - std[840933623431fd06]::panicking::catch_unwind::do_call::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x578328f07fe6 - std[840933623431fd06]::panicking::catch_unwind::<i32, &dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x578328f07fe6 - std[840933623431fd06]::panic::catch_unwind::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x578328f07fe6 - std[840933623431fd06]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x578328f07fe6 - std[840933623431fd06]::panicking::catch_unwind::do_call::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x578328f07fe6 - std[840933623431fd06]::panicking::catch_unwind::<isize, std[840933623431fd06]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x578328f07fe6 - std[840933623431fd06]::panic::catch_unwind::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x578328f07fe6 - std[840933623431fd06]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x578328e73e21 - std[840933623431fd06]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x578328e74255 - main
[INFO] [stderr]     33:     0x7b85a13d01ca - <unknown>
[INFO] [stderr]     34:     0x7b85a13d028b - __libc_start_main
[INFO] [stderr]     35:     0x578328e73b65 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e11cd4c8a4bc88f78e388fcd293e15f0a412387c7cc92062e2e05b1cb020c442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11cd4c8a4bc88f78e388fcd293e15f0a412387c7cc92062e2e05b1cb020c442", kill_on_drop: false }`
[INFO] [stdout] e11cd4c8a4bc88f78e388fcd293e15f0a412387c7cc92062e2e05b1cb020c442