[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#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Ful2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/19h/ul2 on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e82be9e50e950ca3284281522b895019ae72a74fcf53d5e358fa9eff35ee983e
[INFO] running `Command { std: "docker" "start" "-a" "e82be9e50e950ca3284281522b895019ae72a74fcf53d5e358fa9eff35ee983e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82be9e50e950ca3284281522b895019ae72a74fcf53d5e358fa9eff35ee983e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82be9e50e950ca3284281522b895019ae72a74fcf53d5e358fa9eff35ee983e", kill_on_drop: false }`
[INFO] [stdout] e82be9e50e950ca3284281522b895019ae72a74fcf53d5e358fa9eff35ee983e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4b0aa63ce4fd279ec7334447916cdbdb8f4ab4aabc982bbbaac127014ec326
[INFO] running `Command { std: "docker" "start" "-a" "4d4b0aa63ce4fd279ec7334447916cdbdb8f4ab4aabc982bbbaac127014ec326", 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:     0x5f2f9d0ccfe2 - std::backtrace_rs::backtrace::libunwind::trace::h2ba7ce45d1c990f6
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5f2f9d0ccfe2 - std::backtrace_rs::backtrace::trace_unsynchronized::h7f8048f248e53383
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5f2f9d0ccfe2 - std::sys::backtrace::_print_fmt::ha5e750723d83bebf
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5f2f9d0ccfe2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha7f4241ef8b55799
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5f2f9d0dbde7 - core::fmt::rt::Argument::fmt::h993eabdb48c7facf
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5f2f9d0dbde7 - core::fmt::write::h3e9b65bc98b9ddf2
[INFO] [stderr]      6:     0x5f2f9d0ab596 - std::io::default_write_fmt::h197903e5793fbf82
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5f2f9d0ab596 - std::io::Write::write_fmt::h093f32073dc5dcd9
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5f2f9d0b2021 - std::sys::backtrace::BacktraceLock::print::h9346c25a890dbaee
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5f2f9d0b2021 - std::panicking::default_hook::{{closure}}::h897f3167013e2ac6
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5f2f9d0b1e46 - std::panicking::default_hook::h9b41fc25da3da45e
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5f2f9d0b252b - std::panicking::panic_with_hook::had3195923e17ca21
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5f2f9d0b23da - std::panicking::panic_handler::{{closure}}::h683059d726e0f7ee
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:692:13
[INFO] [stderr]     13:     0x5f2f9d0b0909 - std::sys::backtrace::__rust_end_short_backtrace::h4e7857953e7e4b23
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5f2f9d0a065d - __rustc[93aa21d5f3907419]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5f2f9d0deb5c - core::panicking::panic_fmt::h78f6c4e508eaa90e
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5f2f9d09e7ad - build_script_build[aa89d6311998113d]::find_ultralight_lib_dir
[INFO] [stderr]     17:     0x5f2f9d09ec4c - build_script_build[aa89d6311998113d]::main
[INFO] [stderr]     18:     0x5f2f9d0a02a3 - <fn() as core[68c9f00262b86269]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5f2f9d09cda6 - std[2fa2855373317e1c]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5f2f9d09cfd9 - std[2fa2855373317e1c]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5f2f9d0aca7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h58be7bd4132c371f
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5f2f9d0aca7a - std::panicking::catch_unwind::do_call::h107cdfb7e6ff0cf3
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x5f2f9d0aca7a - std::panicking::catch_unwind::h99a8bdd1ab57261f
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x5f2f9d0aca7a - std::panic::catch_unwind::h98292f04e73f0a95
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5f2f9d0aca7a - std::rt::lang_start_internal::{{closure}}::h8b14b6413b9d63a0
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5f2f9d0aca7a - std::panicking::catch_unwind::do_call::h05dfe67ebb62bc48
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x5f2f9d0aca7a - std::panicking::catch_unwind::h803a48edb42c2853
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x5f2f9d0aca7a - std::panic::catch_unwind::hd3451d7d5cefe937
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5f2f9d0aca7a - std::rt::lang_start_internal::hbfb355969be9676c
[INFO] [stderr]                                  at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5f2f9d09ca51 - std[2fa2855373317e1c]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5f2f9d0a0335 - main
[INFO] [stderr]     32:     0x70c3d85f21ca - <unknown>
[INFO] [stderr]     33:     0x70c3d85f228b - __libc_start_main
[INFO] [stderr]     34:     0x5f2f9d09c445 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4d4b0aa63ce4fd279ec7334447916cdbdb8f4ab4aabc982bbbaac127014ec326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4b0aa63ce4fd279ec7334447916cdbdb8f4ab4aabc982bbbaac127014ec326", kill_on_drop: false }`
[INFO] [stdout] 4d4b0aa63ce4fd279ec7334447916cdbdb8f4ab4aabc982bbbaac127014ec326
