[INFO] fetching crate taichi-sys 0.0.9+1.6.0...
[INFO] testing taichi-sys-0.0.9+1.6.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate taichi-sys 0.0.9+1.6.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate taichi-sys 0.0.9+1.6.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027900822e95a499f21f1c982dfbe042230737e8010820badcce8ed283fb342b
[INFO] running `Command { std: "docker" "start" "-a" "027900822e95a499f21f1c982dfbe042230737e8010820badcce8ed283fb342b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027900822e95a499f21f1c982dfbe042230737e8010820badcce8ed283fb342b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027900822e95a499f21f1c982dfbe042230737e8010820badcce8ed283fb342b", kill_on_drop: false }`
[INFO] [stdout] 027900822e95a499f21f1c982dfbe042230737e8010820badcce8ed283fb342b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba0fe5129846812c8424dfca9988cd72541b6b55c6cfdb8a930f9e00320b578
[INFO] running `Command { std: "docker" "start" "-a" "6ba0fe5129846812c8424dfca9988cd72541b6b55c6cfdb8a930f9e00320b578", 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_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/taichi-sys-cf15c8b5bc6248f9/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]   IndexError: list index out of range
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (54) panicked at build.rs:37:10:
[INFO] [stderr]   Cannot infer 'TAICHI_C_API_INSTALL_DIR'
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5676fd4882fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5676fd4882fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5676fd4882fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5676fd4882fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5676fd49967a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5676fd49967a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stderr]      6:     0x5676fd48c522 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5676fd48c522 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5676fd46c7cf - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5676fd46c7cf - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5676fd482e11 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5676fd482fcb - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5676fd46c888 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5676fd4618e9 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5676fd46d28d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5676fd499d6c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5676fd499ac4 - core[e929cb53b82a81ca]::panicking::panic_display::<&str>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:259:5
[INFO] [stderr]     17:     0x5676fd499ac4 - core[e929cb53b82a81ca]::option::expect_failed
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/option.rs:2260:5
[INFO] [stderr]     18:     0x5676fd442c51 - <core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::string::String>>::expect
[INFO] [stderr]     19:     0x5676fd442989 - build_script_build[c95db3ae0ee15a9]::taichi_c_api_install_dir
[INFO] [stderr]     20:     0x5676fd4421f6 - build_script_build[c95db3ae0ee15a9]::proc_taichi_c_api
[INFO] [stderr]     21:     0x5676fd4429c9 - build_script_build[c95db3ae0ee15a9]::main
[INFO] [stderr]     22:     0x5676fd4459a3 - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     23:     0x5676fd441a26 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     24:     0x5676fd441b99 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     25:     0x5676fd482057 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     26:     0x5676fd482057 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5676fd482057 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5676fd482057 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5676fd482057 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24
[INFO] [stderr]     30:     0x5676fd482057 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     31:     0x5676fd482057 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     32:     0x5676fd482057 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stderr]     33:     0x5676fd482057 - std[29689e6404d28ef9]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5
[INFO] [stderr]     34:     0x5676fd441101 - std[29689e6404d28ef9]::rt::lang_start::<()>
[INFO] [stderr]     35:     0x5676fd445a25 - main
[INFO] [stderr]     36:     0x7dd61db3d1ca - <unknown>
[INFO] [stderr]     37:     0x7dd61db3d28b - __libc_start_main
[INFO] [stderr]     38:     0x5676fd43ff65 - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6ba0fe5129846812c8424dfca9988cd72541b6b55c6cfdb8a930f9e00320b578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba0fe5129846812c8424dfca9988cd72541b6b55c6cfdb8a930f9e00320b578", kill_on_drop: false }`
[INFO] [stdout] 6ba0fe5129846812c8424dfca9988cd72541b6b55c6cfdb8a930f9e00320b578
