[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 try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/19h/ul2 on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 564c6111848858ba2782205ec653b95bd2a5841da36a1432fb33c919d002a18b
[INFO] running `Command { std: "docker" "start" "-a" "564c6111848858ba2782205ec653b95bd2a5841da36a1432fb33c919d002a18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "564c6111848858ba2782205ec653b95bd2a5841da36a1432fb33c919d002a18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564c6111848858ba2782205ec653b95bd2a5841da36a1432fb33c919d002a18b", kill_on_drop: false }`
[INFO] [stdout] 564c6111848858ba2782205ec653b95bd2a5841da36a1432fb33c919d002a18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8013fecef8a20eeab28fd6b1191e0e5714ac9e8856e7762b7cb40ad3065dddd0
[INFO] running `Command { std: "docker" "start" "-a" "8013fecef8a20eeab28fd6b1191e0e5714ac9e8856e7762b7cb40ad3065dddd0", 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' 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:     0x57ceaf363132 - std::backtrace_rs::backtrace::libunwind::trace::h34ead1ad9f4c6b69
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57ceaf363132 - std::backtrace_rs::backtrace::trace_unsynchronized::h3f324ed4a21e2c84
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57ceaf363132 - std::sys::backtrace::_print_fmt::hccfc65075a91eb96
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57ceaf363132 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf0c3a0c9e7033f6b
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57ceaf37e183 - core::fmt::rt::Argument::fmt::h007d170181e5ac84
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/core/src/fmt/rt.rs:179:76
[INFO] [stderr]      5:     0x57ceaf37e183 - core::fmt::write::hf5a280cc0bdb1035
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/core/src/fmt/mod.rs:1481:25
[INFO] [stderr]      6:     0x57ceaf360ad3 - std::io::default_write_fmt::h1a1bdf1d599fd20e
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57ceaf360ad3 - std::io::Write::write_fmt::h6f3f0cf2543ab345
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x57ceaf362f82 - std::sys::backtrace::BacktraceLock::print::h74b48ee02059181b
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57ceaf363ff2 - std::panicking::default_hook::{{closure}}::h9ecf8777c68b84fb
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x57ceaf363df5 - std::panicking::default_hook::h4c3a81deb3fa9221
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x57ceaf3648c2 - std::panicking::rust_panic_with_hook::h7a390d92fb37e02f
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x57ceaf364726 - std::panicking::begin_panic_handler::{{closure}}::h720a373d9dab335c
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x57ceaf363629 - std::sys::backtrace::__rust_end_short_backtrace::h120ffd18dddc2a38
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x57ceaf3643ed - __rustc[2a10a07704119e6d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x57ceaf37d650 - core::panicking::panic_fmt::h77137bcb7fb7d63f
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x57ceaf342a3a - build_script_build::find_ultralight_lib_dir::h00452540617a0f72
[INFO] [stderr]     17:     0x57ceaf34107c - build_script_build::main::hae9e22af8d15d1b7
[INFO] [stderr]     18:     0x57ceaf33ff53 - core::ops::function::FnOnce::call_once::hb430de80a99f0624
[INFO] [stderr]     19:     0x57ceaf33f866 - std::sys::backtrace::__rust_begin_short_backtrace::h0aec626f823809c0
[INFO] [stderr]     20:     0x57ceaf33f789 - std::rt::lang_start::{{closure}}::hcbdd5cb41e92d340
[INFO] [stderr]     21:     0x57ceaf35df60 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0a05d99914f8b5fb
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x57ceaf35df60 - std::panicking::try::do_call::h4a40596b3a5fc2fb
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x57ceaf35df60 - std::panicking::try::hbd787110f0c42450
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x57ceaf35df60 - std::panic::catch_unwind::h688c024d3d07153f
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x57ceaf35df60 - std::rt::lang_start_internal::{{closure}}::h010d54f97f9370ba
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/rt.rs:168:24
[INFO] [stderr]     26:     0x57ceaf35df60 - std::panicking::try::do_call::hde7531c7925b4006
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x57ceaf35df60 - std::panicking::try::h19206d8a143ec8eb
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x57ceaf35df60 - std::panic::catch_unwind::hd9bfc521d2123392
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x57ceaf35df60 - std::rt::lang_start_internal::hb8505dcf51793c8b
[INFO] [stderr]                                  at /rustc/bf5ff6675cf10ce009ac02007b064a7cfc4509ac/library/std/src/rt.rs:164:5
[INFO] [stderr]     30:     0x57ceaf33f771 - std::rt::lang_start::hd23f652b4f0a3de9
[INFO] [stderr]     31:     0x57ceaf343035 - main
[INFO] [stderr]     32:     0x73d66788f1ca - <unknown>
[INFO] [stderr]     33:     0x73d66788f28b - __libc_start_main
[INFO] [stderr]     34:     0x57ceaf33f135 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8013fecef8a20eeab28fd6b1191e0e5714ac9e8856e7762b7cb40ad3065dddd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8013fecef8a20eeab28fd6b1191e0e5714ac9e8856e7762b7cb40ad3065dddd0", kill_on_drop: false }`
[INFO] [stdout] 8013fecef8a20eeab28fd6b1191e0e5714ac9e8856e7762b7cb40ad3065dddd0
