[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#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/19h/ul2 on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 281ada7202ea0bf9c589a836e1bd4ffed3f040c0abe03c9f2bfbcba77900968c
[INFO] running `Command { std: "docker" "start" "-a" "281ada7202ea0bf9c589a836e1bd4ffed3f040c0abe03c9f2bfbcba77900968c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281ada7202ea0bf9c589a836e1bd4ffed3f040c0abe03c9f2bfbcba77900968c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281ada7202ea0bf9c589a836e1bd4ffed3f040c0abe03c9f2bfbcba77900968c", kill_on_drop: false }`
[INFO] [stdout] 281ada7202ea0bf9c589a836e1bd4ffed3f040c0abe03c9f2bfbcba77900968c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb20581727d7ebc16ab0dc109b427cb70fda675521acaef9bef45e7f5d7a0593
[INFO] running `Command { std: "docker" "start" "-a" "cb20581727d7ebc16ab0dc109b427cb70fda675521acaef9bef45e7f5d7a0593", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: examples
[INFO] [stderr]    Compiling ul v0.1.0 (/opt/rustwide/workdir)
[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' (53) 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:     0x61bd3bbb0fe2 - std::backtrace_rs::backtrace::libunwind::trace::he127b198a5aae92b
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61bd3bbb0fe2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2e09551ee2dc65af
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61bd3bbb0fe2 - std::sys::backtrace::_print_fmt::h92af0e975c3dc140
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x61bd3bbb0fe2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h74f4132c127d0b62
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x61bd3bbbfde7 - core::fmt::rt::Argument::fmt::h664d61ea4024bbbc
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61bd3bbbfde7 - core::fmt::write::hc1c9d0ec0bd744a8
[INFO] [stderr]      6:     0x61bd3bb8f7d6 - std::io::default_write_fmt::he633b8c7ef6bad22
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x61bd3bb8f7d6 - std::io::Write::write_fmt::hfa93171b61e184fe
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x61bd3bb96021 - std::sys::backtrace::BacktraceLock::print::hc822ac9877a46117
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x61bd3bb96021 - std::panicking::default_hook::{{closure}}::h3a243487e4e505e5
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x61bd3bb95e46 - std::panicking::default_hook::hff949a3b3bf2fb24
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x61bd3bb9652b - std::panicking::panic_with_hook::h1001ff656de1249b
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x61bd3bb963da - std::panicking::panic_handler::{{closure}}::h31972d547e99d56a
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:692:13
[INFO] [stderr]     13:     0x61bd3bb94909 - std::sys::backtrace::__rust_end_short_backtrace::hb7bf3e657cf6c155
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x61bd3bb8465d - __rustc[dd02004c9b34417a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x61bd3bbc2b5c - core::panicking::panic_fmt::hfd4761917fb662ef
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x61bd3bb827ad - build_script_build[9633e4f3cb572ce7]::find_ultralight_lib_dir
[INFO] [stderr]     17:     0x61bd3bb82c4c - build_script_build[9633e4f3cb572ce7]::main
[INFO] [stderr]     18:     0x61bd3bb842a3 - <fn() as core[fbc702fd33baa6dc]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x61bd3bb80da6 - std[25d1e12b29bd81ad]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x61bd3bb80fd9 - std[25d1e12b29bd81ad]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x61bd3bb90a7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb958a7abd3caaf25
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x61bd3bb90a7a - std::panicking::catch_unwind::do_call::ha4a04ee99ca918a8
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x61bd3bb90a7a - std::panicking::catch_unwind::h988df6976967a1df
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x61bd3bb90a7a - std::panic::catch_unwind::he0a3e99b5c2011f3
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x61bd3bb90a7a - std::rt::lang_start_internal::{{closure}}::h71fb094db23df0f1
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x61bd3bb90a7a - std::panicking::catch_unwind::do_call::he5e43d761e7524fb
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x61bd3bb90a7a - std::panicking::catch_unwind::h66f9aadca99cd64b
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x61bd3bb90a7a - std::panic::catch_unwind::hf18a4cd65dd078f3
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x61bd3bb90a7a - std::rt::lang_start_internal::hc74fe61204bd0eb8
[INFO] [stderr]                                  at /rustc/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x61bd3bb80a51 - std[25d1e12b29bd81ad]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x61bd3bb84335 - main
[INFO] [stderr]     32:     0x7d8af46451ca - <unknown>
[INFO] [stderr]     33:     0x7d8af464528b - __libc_start_main
[INFO] [stderr]     34:     0x61bd3bb80445 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cb20581727d7ebc16ab0dc109b427cb70fda675521acaef9bef45e7f5d7a0593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb20581727d7ebc16ab0dc109b427cb70fda675521acaef9bef45e7f5d7a0593", kill_on_drop: false }`
[INFO] [stdout] cb20581727d7ebc16ab0dc109b427cb70fda675521acaef9bef45e7f5d7a0593
