[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#683dd08db5808c41baceef49368fc82a6c4767bb for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/19h/ul2 on toolchain 683dd08db5808c41baceef49368fc82a6c4767bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "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" "+683dd08db5808c41baceef49368fc82a6c4767bb" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccd447ba5141eaa614060391eda080428fb11448450e0626eb1ed2bad3b08273
[INFO] running `Command { std: "docker" "start" "-a" "ccd447ba5141eaa614060391eda080428fb11448450e0626eb1ed2bad3b08273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd447ba5141eaa614060391eda080428fb11448450e0626eb1ed2bad3b08273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd447ba5141eaa614060391eda080428fb11448450e0626eb1ed2bad3b08273", kill_on_drop: false }`
[INFO] [stdout] ccd447ba5141eaa614060391eda080428fb11448450e0626eb1ed2bad3b08273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d52af51e58c440862ce1a527abe8d8a189429bf545c2c1438ee6bdb906e3767
[INFO] running `Command { std: "docker" "start" "-a" "9d52af51e58c440862ce1a527abe8d8a189429bf545c2c1438ee6bdb906e3767", 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:     0x62c85a7b8fe2 - std::backtrace_rs::backtrace::libunwind::trace::h05edfbb11280906c
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x62c85a7b8fe2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1dd8af7fc92dd0c4
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x62c85a7b8fe2 - std::sys::backtrace::_print_fmt::he31e85022d8a6928
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x62c85a7b8fe2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h9e5e2b8e15b62b26
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x62c85a7c7de7 - core::fmt::rt::Argument::fmt::h71b2904167cc57d3
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x62c85a7c7de7 - core::fmt::write::h3bbd5ddbf34c9238
[INFO] [stderr]      6:     0x62c85a7976b6 - std::io::default_write_fmt::h861928720b391550
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x62c85a7976b6 - std::io::Write::write_fmt::h913bcab2ced89770
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x62c85a79e021 - std::sys::backtrace::BacktraceLock::print::hf55418a876c83f01
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x62c85a79e021 - std::panicking::default_hook::{{closure}}::hb71562058c3e918a
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x62c85a79de46 - std::panicking::default_hook::h9a0041af66f0086e
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x62c85a79e52b - std::panicking::panic_with_hook::h5750daf7543304cc
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x62c85a79e3da - std::panicking::panic_handler::{{closure}}::hbd74bf485e4a1c9c
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:692:13
[INFO] [stderr]     13:     0x62c85a79c909 - std::sys::backtrace::__rust_end_short_backtrace::hecb828fc80e60ee1
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x62c85a78c65d - __rustc[c4d51d473d249ec0]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x62c85a7cab5c - core::panicking::panic_fmt::h4dc29dc66f2ec285
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x62c85a78a7ad - build_script_build[4677a803d3571217]::find_ultralight_lib_dir
[INFO] [stderr]     17:     0x62c85a78ac4c - build_script_build[4677a803d3571217]::main
[INFO] [stderr]     18:     0x62c85a78c2a3 - <fn() as core[2b4cb9c42db1e381]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x62c85a788da6 - std[9d36f011b44fdb8b]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x62c85a788fd9 - std[9d36f011b44fdb8b]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x62c85a798a7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7abfc88dda1a7492
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x62c85a798a7a - std::panicking::catch_unwind::do_call::ha40f8bcda1f4a2d0
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x62c85a798a7a - std::panicking::catch_unwind::h5b905ac8f7733474
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x62c85a798a7a - std::panic::catch_unwind::h990907515eeb5fd9
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x62c85a798a7a - std::rt::lang_start_internal::{{closure}}::hdaa52daf18fbf6a2
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x62c85a798a7a - std::panicking::catch_unwind::do_call::h15f94f706cde117e
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x62c85a798a7a - std::panicking::catch_unwind::h7a8f045659137d07
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x62c85a798a7a - std::panic::catch_unwind::h541cc433218de5ed
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x62c85a798a7a - std::rt::lang_start_internal::h8287246d071d1329
[INFO] [stderr]                                  at /rustc/683dd08db5808c41baceef49368fc82a6c4767bb/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x62c85a788d21 - std[9d36f011b44fdb8b]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x62c85a78c335 - main
[INFO] [stderr]     32:     0x7b9dfe6961ca - <unknown>
[INFO] [stderr]     33:     0x7b9dfe69628b - __libc_start_main
[INFO] [stderr]     34:     0x62c85a788445 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9d52af51e58c440862ce1a527abe8d8a189429bf545c2c1438ee6bdb906e3767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d52af51e58c440862ce1a527abe8d8a189429bf545c2c1438ee6bdb906e3767", kill_on_drop: false }`
[INFO] [stdout] 9d52af51e58c440862ce1a527abe8d8a189429bf545c2c1438ee6bdb906e3767
