[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] testing Cyanogenoid/lcpgn against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyanogenoid%2Flcpgn" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cyanogenoid/lcpgn on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-1/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: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/willcrichton/indicatif`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flatbuffers v0.5.0
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded btoi v0.4.0
[INFO] [stderr]   Downloaded flatc-rust v0.1.2
[INFO] [stderr]   Downloaded shakmaty v0.13.1
[INFO] [stderr]   Downloaded pgn-reader v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4901ee6fc464983dc9765c299f50380726c14d4a28289435bb934ed21aa8e890
[INFO] running `Command { std: "docker" "start" "-a" "4901ee6fc464983dc9765c299f50380726c14d4a28289435bb934ed21aa8e890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4901ee6fc464983dc9765c299f50380726c14d4a28289435bb934ed21aa8e890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4901ee6fc464983dc9765c299f50380726c14d4a28289435bb934ed21aa8e890", kill_on_drop: false }`
[INFO] [stdout] 4901ee6fc464983dc9765c299f50380726c14d4a28289435bb934ed21aa8e890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df213643db6ec72046f73b738d8c5d8e6d3bf251edad80c1691cebb483847bb1
[INFO] running `Command { std: "docker" "start" "-a" "df213643db6ec72046f73b738d8c5d8e6d3bf251edad80c1691cebb483847bb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling slice-deque v0.1.16
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling flatc-rust v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling flatbuffers v0.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling shakmaty v0.13.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lcpgn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr] error: failed to run custom build command for `lcpgn v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lcpgn-6ead198dfe68dd69/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 'flatc: Custom { kind: NotFound, error: "failed to spawn `\"flatc\" \"--version\"`: No such file or directory (os error 2)" }', build.rs:13:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5642ebbe86dc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5642ebbe86dc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5642ebbe86dc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5642ebbe86dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5642ebc0635c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x5642ebbe52f5 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x5642ebbe9ce0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5642ebbe9ce0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5642ebbe9ce0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x5642ebbe988b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x5642ebbea394 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x5642ebbe9e70 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x5642ebbe8b94 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x5642ebbe9dd9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x5642ebbbb0d1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x5642ebbbb163 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x5642ebbbb968 - core::result::Result<T,E>::expect::h53538db88ea12fcd
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x5642ebbbbde3 - build_script_build::main::h5cf08300614ee046
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     18:     0x5642ebbbbebb - core::ops::function::FnOnce::call_once::he3a4b3eb79c455e1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5642ebbbb8be - std::sys_common::backtrace::__rust_begin_short_backtrace::h8a27b70bcd20905d
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x5642ebbbba41 - std::rt::lang_start::{{closure}}::h81498543c7a48a0b
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x5642ebbe7f21 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5642ebbe7f21 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x5642ebbe7f21 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x5642ebbe7f21 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x5642ebbe7f21 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x5642ebbe7f21 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x5642ebbe7f21 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x5642ebbe7f21 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x5642ebbe7f21 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x5642ebbbba10 - std::rt::lang_start::ha8b5b0bd7ff39bd4
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x5642ebbbbe0c - main
[INFO] [stderr]     32:     0x7f2faeab20b3 - __libc_start_main
[INFO] [stderr]     33:     0x5642ebbbb7ee - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "df213643db6ec72046f73b738d8c5d8e6d3bf251edad80c1691cebb483847bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df213643db6ec72046f73b738d8c5d8e6d3bf251edad80c1691cebb483847bb1", kill_on_drop: false }`
[INFO] [stdout] df213643db6ec72046f73b738d8c5d8e6d3bf251edad80c1691cebb483847bb1