[INFO] fetching crate taichi-sys 0.0.9+1.6.0...
[INFO] testing taichi-sys-0.0.9+1.6.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate taichi-sys 0.0.9+1.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate taichi-sys 0.0.9+1.6.0
[INFO] finished tweaking crates.io crate taichi-sys 0.0.9+1.6.0
[INFO] tweaked toml for crates.io crate taichi-sys 0.0.9+1.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate taichi-sys 0.0.9+1.6.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to highest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc
[INFO] running `Command { std: "docker" "start" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling taichi-sys v0.0.9+1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `taichi-sys v0.0.9+1.6.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/taichi-sys-18c4eb8f8d4fabaa/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "<string>", line 1, in <module>
[INFO] [stderr]       import sys; import pathlib; print([pathlib.Path(x + '/taichi/_lib/c_api').resolve() for x in sys.path if pathlib.Path(x + '/taichi/_lib/c_api').exists()][0], end='')
[INFO] [stderr]                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^
[INFO] [stderr]   IndexError: list index out of range
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (86) panicked at build.rs:37:10:
[INFO] [stderr]   Cannot infer 'TAICHI_C_API_INSTALL_DIR'
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ddcc79a0da1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5ddcc79b218a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5ddcc79a4cbc - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5ddcc7982d76 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5ddcc799ba81 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5ddcc799bc3b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5ddcc7982e22 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5ddcc797b999 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5ddcc79836dd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5ddcc79b28bc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5ddcc79b2614 - core[df12db4294e9bfd3]::option::expect_failed
[INFO] [stderr]     11:     0x5ddcc795fff8 - <core[df12db4294e9bfd3]::option::Option<alloc[2182bb758b4b3781]::string::String>>::expect
[INFO] [stderr]     12:     0x5ddcc795fd39 - build_script_build[99c78b3e15ac587]::taichi_c_api_install_dir
[INFO] [stderr]     13:     0x5ddcc795f5b6 - build_script_build[99c78b3e15ac587]::proc_taichi_c_api
[INFO] [stderr]     14:     0x5ddcc795fd79 - build_script_build[99c78b3e15ac587]::main
[INFO] [stderr]     15:     0x5ddcc7962603 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     16:     0x5ddcc795edde - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     17:     0x5ddcc795ef49 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     18:     0x5ddcc799aeb9 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     19:     0x5ddcc795e3a1 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     20:     0x5ddcc7962665 - main
[INFO] [stderr]     21:     0x7020d9dc0601 - <unknown>
[INFO] [stderr]     22:     0x7020d9dc0718 - __libc_start_main
[INFO] [stderr]     23:     0x5ddcc795d575 - _start
[INFO] [stderr]     24:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc", kill_on_drop: false }`
[INFO] [stdout] 66bfa3bcaef8d09a35b943e74b8f9bf703a124de6f5eb9e4f043a5a88ac13acc
