[INFO] cloning repository https://github.com/19h/ul2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/19h/ul2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dabd0ddb1d5a727d01ae78bca62c74b9dafe84c0
[INFO] checking 19h/ul2 against master#fcac501a73cdde54de46a0683567f1a890730555 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/19h/ul2
[INFO] finished tweaking git repo https://github.com/19h/ul2
[INFO] tweaked toml for git repo https://github.com/19h/ul2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/19h/ul2 on toolchain fcac501a73cdde54de46a0683567f1a890730555
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/19h/ul2 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" "+fcac501a73cdde54de46a0683567f1a890730555" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: examples
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43038507bf05199a2c3ee9876e7a67488f1497859e130683e132e0bedc8f16a
[INFO] running `Command { std: "docker" "start" "-a" "b43038507bf05199a2c3ee9876e7a67488f1497859e130683e132e0bedc8f16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43038507bf05199a2c3ee9876e7a67488f1497859e130683e132e0bedc8f16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43038507bf05199a2c3ee9876e7a67488f1497859e130683e132e0bedc8f16a", kill_on_drop: false }`
[INFO] [stdout] b43038507bf05199a2c3ee9876e7a67488f1497859e130683e132e0bedc8f16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69c616047a97ef9952edf795e4f316d017ec89236fe6a121423fbe4a5290415
[INFO] running `Command { std: "docker" "start" "-a" "e69c616047a97ef9952edf795e4f316d017ec89236fe6a121423fbe4a5290415", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: examples
[INFO] [stderr]    Compiling ul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr] error: failed to run custom build command for `ul 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/ul-d3a179f857450b5c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (42) panicked at build.rs:159:5:
[INFO] [stderr]   Could not find Ultralight libraries. Please set UL_DIR environment variable to the directory containing the Ultralight libraries.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63daa84647a2 - std[9fefba36b5be22f4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63daa84647a2 - std[9fefba36b5be22f4]::backtrace_rs::backtrace::trace_unsynchronized::<std[9fefba36b5be22f4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63daa84647a2 - std[9fefba36b5be22f4]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x63daa84647a2 - <<std[9fefba36b5be22f4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[12e9dae89a4c4a05]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x63daa8475a2a - <core[12e9dae89a4c4a05]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x63daa8475a2a - core[12e9dae89a4c4a05]::fmt::write
[INFO] [stderr]      6:     0x63daa84688e6 - std[9fefba36b5be22f4]::io::default_write_fmt::<std[9fefba36b5be22f4]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63daa84688e6 - <std[9fefba36b5be22f4]::sys::stdio::unix::Stderr as std[9fefba36b5be22f4]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x63daa844f43f - <std[9fefba36b5be22f4]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x63daa844f43f - std[9fefba36b5be22f4]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x63daa84609a1 - std[9fefba36b5be22f4]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x63daa8460b5b - std[9fefba36b5be22f4]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x63daa844f52a - std[9fefba36b5be22f4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x63daa8444a29 - std[9fefba36b5be22f4]::sys::backtrace::__rust_end_short_backtrace::<std[9fefba36b5be22f4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x63daa844fd9d - __rustc[d3a8f05c885b4dd0]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x63daa847609c - core[12e9dae89a4c4a05]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x63daa8437c0d - build_script_build[b281b04af4b3c185]::find_ultralight_lib_dir
[INFO] [stderr]     17:     0x63daa84380ac - build_script_build[b281b04af4b3c185]::main
[INFO] [stderr]     18:     0x63daa84396a3 - <fn() as core[12e9dae89a4c4a05]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x63daa84361c6 - std[9fefba36b5be22f4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x63daa84363f9 - std[9fefba36b5be22f4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x63daa845fef6 - <&dyn core[12e9dae89a4c4a05]::ops::function::Fn<(), Output = i32> + core[12e9dae89a4c4a05]::panic::unwind_safe::RefUnwindSafe + core[12e9dae89a4c4a05]::marker::Sync as core[12e9dae89a4c4a05]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x63daa845fef6 - std[9fefba36b5be22f4]::panicking::catch_unwind::do_call::<&dyn core[12e9dae89a4c4a05]::ops::function::Fn<(), Output = i32> + core[12e9dae89a4c4a05]::panic::unwind_safe::RefUnwindSafe + core[12e9dae89a4c4a05]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x63daa845fef6 - std[9fefba36b5be22f4]::panicking::catch_unwind::<i32, &dyn core[12e9dae89a4c4a05]::ops::function::Fn<(), Output = i32> + core[12e9dae89a4c4a05]::panic::unwind_safe::RefUnwindSafe + core[12e9dae89a4c4a05]::marker::Sync>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x63daa845fef6 - std[9fefba36b5be22f4]::panic::catch_unwind::<&dyn core[12e9dae89a4c4a05]::ops::function::Fn<(), Output = i32> + core[12e9dae89a4c4a05]::panic::unwind_safe::RefUnwindSafe + core[12e9dae89a4c4a05]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x63daa845fef6 - std[9fefba36b5be22f4]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x63daa845fef6 - std[9fefba36b5be22f4]::panicking::catch_unwind::do_call::<std[9fefba36b5be22f4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x63daa845fef6 - std[9fefba36b5be22f4]::panicking::catch_unwind::<isize, std[9fefba36b5be22f4]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x63daa845fef6 - std[9fefba36b5be22f4]::panic::catch_unwind::<std[9fefba36b5be22f4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x63daa845fef6 - std[9fefba36b5be22f4]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/fcac501a73cdde54de46a0683567f1a890730555/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x63daa8436141 - std[9fefba36b5be22f4]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x63daa8439735 - main
[INFO] [stderr]     32:     0x7eaaf19281ca - <unknown>
[INFO] [stderr]     33:     0x7eaaf192828b - __libc_start_main
[INFO] [stderr]     34:     0x63daa8435865 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e69c616047a97ef9952edf795e4f316d017ec89236fe6a121423fbe4a5290415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69c616047a97ef9952edf795e4f316d017ec89236fe6a121423fbe4a5290415", kill_on_drop: false }`
[INFO] [stdout] e69c616047a97ef9952edf795e4f316d017ec89236fe6a121423fbe4a5290415
