[INFO] cloning repository https://github.com/Cyanogenoid/lcpgn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cyanogenoid/lcpgn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyanogenoid%2Flcpgn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyanogenoid%2Flcpgn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 697b5c813a2cd09dd87d19642dd285d3e4b110a8
[INFO] checking Cyanogenoid/lcpgn/697b5c813a2cd09dd87d19642dd285d3e4b110a8 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyanogenoid%2Flcpgn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cyanogenoid/lcpgn on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cyanogenoid/lcpgn
[INFO] finished tweaking git repo https://github.com/Cyanogenoid/lcpgn
[INFO] tweaked toml for git repo https://github.com/Cyanogenoid/lcpgn written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cyanogenoid/lcpgn 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/willcrichton/indicatif`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flatc-rust v0.1.2
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded btoi v0.4.0
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded shakmaty v0.13.1
[INFO] [stderr]   Downloaded pgn-reader v0.13.0
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a0ee74abb5329063b14710e57b37cc5894cff48c28bd6825781976ba1ccef34
[INFO] running `Command { std: "docker" "start" "-a" "2a0ee74abb5329063b14710e57b37cc5894cff48c28bd6825781976ba1ccef34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0ee74abb5329063b14710e57b37cc5894cff48c28bd6825781976ba1ccef34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0ee74abb5329063b14710e57b37cc5894cff48c28bd6825781976ba1ccef34", kill_on_drop: false }`
[INFO] [stdout] 2a0ee74abb5329063b14710e57b37cc5894cff48c28bd6825781976ba1ccef34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d175aa5db607d4e4d5082c1340ccbc6b35edf26c73e47b682101ad59123cf78
[INFO] running `Command { std: "docker" "start" "-a" "3d175aa5db607d4e4d5082c1340ccbc6b35edf26c73e47b682101ad59123cf78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling shakmaty v0.13.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling flatc-rust v0.1.2
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling lcpgn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr] error: failed to run custom build command for `lcpgn 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/lcpgn-12b37e90da3dc17a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=libs/lczero-common/flat/chunk.fbs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:13:6:
[INFO] [stderr]   flatc: Custom { kind: NotFound, error: "failed to spawn `\"flatc\" \"--version\"`: No such file or directory (os error 2)" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5578b5db131a - std::backtrace_rs::backtrace::libunwind::trace::h4a182ed5026c4960
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5578b5db131a - std::backtrace_rs::backtrace::trace_unsynchronized::hd36eaf0d0af663ac
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5578b5db131a - std::sys::backtrace::_print_fmt::h5bc686de8bf76aa3
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5578b5db131a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd8bd9250b5d34cf2
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5578b5dd2a13 - core::fmt::rt::Argument::fmt::h479db8f948910918
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5578b5dd2a13 - core::fmt::write::h8ea7001525e04e92
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x5578b5dae6f3 - std::io::Write::write_fmt::h9a3a3a90a20c720b
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/io/mod.rs:1884:15
[INFO] [stderr]      7:     0x5578b5db1162 - std::sys::backtrace::BacktraceLock::print::h524f4afae71bff25
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5578b5db21ac - std::panicking::default_hook::{{closure}}::hbf0efdb45c0ec2fa
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5578b5db1ff2 - std::panicking::default_hook::hd8655fd75a36fb4e
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5578b5db27a7 - std::panicking::rust_panic_with_hook::hfd3e39fd18e5a522
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5578b5db263a - std::panicking::begin_panic_handler::{{closure}}::h541106c2fc98c78e
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5578b5db17f9 - std::sys::backtrace::__rust_end_short_backtrace::hd41b812be983a407
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5578b5db22cc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5578b5dd1910 - core::panicking::panic_fmt::h6d97ef49812eecdc
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x5578b5dd1c86 - core::result::unwrap_failed::h15f0d843aaf4c779
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/result.rs:1699:5
[INFO] [stderr]     16:     0x5578b5d81773 - core::result::Result<T,E>::expect::h54a91b9926c247b2
[INFO] [stderr]     17:     0x5578b5d8195d - build_script_build::main::h8d901100c481793f
[INFO] [stderr]     18:     0x5578b5d81703 - core::ops::function::FnOnce::call_once::he74c5b1917a62a43
[INFO] [stderr]     19:     0x5578b5d81686 - std::sys::backtrace::__rust_begin_short_backtrace::hc3fd440f22aa7f61
[INFO] [stderr]     20:     0x5578b5d81669 - std::rt::lang_start::{{closure}}::hf5a122e62cb68578
[INFO] [stderr]     21:     0x5578b5dab977 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h85d3b6433c6201ad
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x5578b5dab977 - std::panicking::try::do_call::h1e58a303c26811b2
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40
[INFO] [stderr]     23:     0x5578b5dab977 - std::panicking::try::hf884ee642c4250a3
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19
[INFO] [stderr]     24:     0x5578b5dab977 - std::panic::catch_unwind::h16d69298af9a3692
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x5578b5dab977 - std::rt::lang_start_internal::{{closure}}::h5a8a6f94cdf753a6
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:48
[INFO] [stderr]     26:     0x5578b5dab977 - std::panicking::try::do_call::hf6ee2fe994f58e18
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40
[INFO] [stderr]     27:     0x5578b5dab977 - std::panicking::try::hc1282bf2eeca2940
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19
[INFO] [stderr]     28:     0x5578b5dab977 - std::panic::catch_unwind::h212572842a792e2c
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x5578b5dab977 - std::rt::lang_start_internal::h9681d29d05b11740
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:20
[INFO] [stderr]     30:     0x5578b5d81647 - std::rt::lang_start::h9813002a1f86cfd2
[INFO] [stderr]     31:     0x5578b5d81985 - main
[INFO] [stderr]     32:     0x7fc2b595fd90 - <unknown>
[INFO] [stderr]     33:     0x7fc2b595fe40 - __libc_start_main
[INFO] [stderr]     34:     0x5578b5d81555 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3d175aa5db607d4e4d5082c1340ccbc6b35edf26c73e47b682101ad59123cf78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d175aa5db607d4e4d5082c1340ccbc6b35edf26c73e47b682101ad59123cf78", kill_on_drop: false }`
[INFO] [stdout] 3d175aa5db607d4e4d5082c1340ccbc6b35edf26c73e47b682101ad59123cf78