[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 against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyanogenoid%2Flcpgn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cyanogenoid/lcpgn on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de86ca64070517556b4c902e316e0c246ba1b89732f45792f7550e153f9a85e3
[INFO] running `Command { std: "docker" "start" "-a" "de86ca64070517556b4c902e316e0c246ba1b89732f45792f7550e153f9a85e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de86ca64070517556b4c902e316e0c246ba1b89732f45792f7550e153f9a85e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de86ca64070517556b4c902e316e0c246ba1b89732f45792f7550e153f9a85e3", kill_on_drop: false }`
[INFO] [stdout] de86ca64070517556b4c902e316e0c246ba1b89732f45792f7550e153f9a85e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 428be829b62cacdf41c431addc70808bfa51340dffa99b8db73d63271014b96a
[INFO] running `Command { std: "docker" "start" "-a" "428be829b62cacdf41c431addc70808bfa51340dffa99b8db73d63271014b96a", 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 cfg-if v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling shakmaty v0.13.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling flatc-rust v0.1.2
[INFO] [stderr]     Checking btoi v0.4.0
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[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]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling lcpgn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[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-7cdc3a196647fea6/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] 
[INFO] [stderr]   thread 'main' (793) 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:     0x5adda443c832 - std[d557acedf63bc253]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5adda443c832 - std[d557acedf63bc253]::backtrace_rs::backtrace::trace_unsynchronized::<std[d557acedf63bc253]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5adda443c832 - std[d557acedf63bc253]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5adda443c832 - <<std[d557acedf63bc253]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[74784d0c062bfca7]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5adda444fb87 - <core[74784d0c062bfca7]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5adda444fb87 - core[74784d0c062bfca7]::fmt::write
[INFO] [stderr]      6:     0x5adda44423d6 - std[d557acedf63bc253]::io::default_write_fmt::<std[d557acedf63bc253]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x5adda44423d6 - <std[d557acedf63bc253]::sys::stdio::unix::Stderr as std[d557acedf63bc253]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x5adda44219ff - <std[d557acedf63bc253]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5adda44219ff - std[d557acedf63bc253]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5adda4438401 - std[d557acedf63bc253]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5adda44385bb - std[d557acedf63bc253]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5adda4421ab8 - std[d557acedf63bc253]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5adda44195d9 - std[d557acedf63bc253]::sys::backtrace::__rust_end_short_backtrace::<std[d557acedf63bc253]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5adda442241d - __rustc[8a1667557aa49d62]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5adda44501cc - core[74784d0c062bfca7]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5adda444ffa2 - core[74784d0c062bfca7]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5adda4401090 - <core[74784d0c062bfca7]::result::Result<(), std[d557acedf63bc253]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x5adda440101f - build_script_build[efb14b7b3c9f6144]::main
[INFO] [stderr]     19:     0x5adda44010f3 - <fn() as core[74784d0c062bfca7]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x5adda4400e86 - std[d557acedf63bc253]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x5adda4400e99 - std[d557acedf63bc253]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x5adda4437656 - <&dyn core[74784d0c062bfca7]::ops::function::Fn<(), Output = i32> + core[74784d0c062bfca7]::marker::Sync + core[74784d0c062bfca7]::panic::unwind_safe::RefUnwindSafe as core[74784d0c062bfca7]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5adda4437656 - std[d557acedf63bc253]::panicking::catch_unwind::do_call::<&dyn core[74784d0c062bfca7]::ops::function::Fn<(), Output = i32> + core[74784d0c062bfca7]::marker::Sync + core[74784d0c062bfca7]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x5adda4437656 - std[d557acedf63bc253]::panicking::catch_unwind::<i32, &dyn core[74784d0c062bfca7]::ops::function::Fn<(), Output = i32> + core[74784d0c062bfca7]::marker::Sync + core[74784d0c062bfca7]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x5adda4437656 - std[d557acedf63bc253]::panic::catch_unwind::<&dyn core[74784d0c062bfca7]::ops::function::Fn<(), Output = i32> + core[74784d0c062bfca7]::marker::Sync + core[74784d0c062bfca7]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5adda4437656 - std[d557acedf63bc253]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5adda4437656 - std[d557acedf63bc253]::panicking::catch_unwind::do_call::<std[d557acedf63bc253]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x5adda4437656 - std[d557acedf63bc253]::panicking::catch_unwind::<isize, std[d557acedf63bc253]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x5adda4437656 - std[d557acedf63bc253]::panic::catch_unwind::<std[d557acedf63bc253]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5adda4437656 - std[d557acedf63bc253]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/0bdee9e879c87b7211d316e9152109cfd46c576b/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5adda4400e71 - std[d557acedf63bc253]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x5adda4401155 - main
[INFO] [stderr]     33:     0x700a3cd541ca - <unknown>
[INFO] [stderr]     34:     0x700a3cd5428b - __libc_start_main
[INFO] [stderr]     35:     0x5adda4400d35 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "428be829b62cacdf41c431addc70808bfa51340dffa99b8db73d63271014b96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428be829b62cacdf41c431addc70808bfa51340dffa99b8db73d63271014b96a", kill_on_drop: false }`
[INFO] [stdout] 428be829b62cacdf41c431addc70808bfa51340dffa99b8db73d63271014b96a
