[INFO] cloning repository https://github.com/kuro46/simple-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuro46/simple-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuro46%2Fsimple-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuro46%2Fsimple-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a03500b22746cde25af05b8caa8a0ce02b4fd9e4 [INFO] checking kuro46/simple-chat against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuro46%2Fsimple-chat" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kuro46/simple-chat on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kuro46/simple-chat [INFO] finished tweaking git repo https://github.com/kuro46/simple-chat [INFO] tweaked toml for git repo https://github.com/kuro46/simple-chat written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/kuro46/simple-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded flatc-rust v0.1.2 [INFO] [stderr] Downloaded flatbuffers v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c40b9ab840b008effa53ecb1c5bc1f6c8f84686031adb51b21156f4e0ed4fcd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8c40b9ab840b008effa53ecb1c5bc1f6c8f84686031adb51b21156f4e0ed4fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c40b9ab840b008effa53ecb1c5bc1f6c8f84686031adb51b21156f4e0ed4fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c40b9ab840b008effa53ecb1c5bc1f6c8f84686031adb51b21156f4e0ed4fcd", kill_on_drop: false }` [INFO] [stdout] 8c40b9ab840b008effa53ecb1c5bc1f6c8f84686031adb51b21156f4e0ed4fcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d743b8e62ef594aad19a7ecc50ae812257f54b47f4e487a235d2e3ec0007ef2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2d743b8e62ef594aad19a7ecc50ae812257f54b47f4e487a235d2e3ec0007ef2", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking unicode-normalization v0.1.9 [INFO] [stderr] Checking flatbuffers v0.6.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling flatc-rust v0.1.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling simple-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] error: failed to run custom build command for `simple-chat v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/simple-chat-fbf07ea362742630/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=src/chat_app.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:10:6 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c5dadcfec0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55c5dadcfec0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55c5dadcfec0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55c5dadcfec0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55c5dadecdec - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55c5dadcd4c2 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55c5dadd2245 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55c5dadd2245 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55c5dadd2245 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55c5dadd1d9a - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55c5dadd29e1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55c5dadd2527 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55c5dadd035c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55c5dadd2489 - rust_begin_unwind [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55c5dadec191 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55c5dadebfb3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55c5dada45bf - core::result::Result::expect::hc9cf8d974168654d [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/result.rs:933:23 [INFO] [stderr] 17: 0x55c5dada438d - build_script_build::main::h68f4bd01dc474f27 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:5:5 [INFO] [stderr] 18: 0x55c5dada448b - core::ops::function::FnOnce::call_once::hba86adbcc4ce07f2 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55c5dada417e - std::sys_common::backtrace::__rust_begin_short_backtrace::h46016758b700d36c [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55c5dada4441 - std::rt::lang_start::{{closure}}::heb3790b27163278b [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55c5dadd2e07 - core::ops::function::impls:: for &F>::call_once::h3f3ba5d1e0ce8d49 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55c5dadd2e07 - std::panicking::try::do_call::hd7a374fc87b951e7 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55c5dadd2e07 - std::panicking::try::h068087b173f80a49 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55c5dadd2e07 - std::panic::catch_unwind::h1f8259807e825279 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55c5dadd2e07 - std::rt::lang_start_internal::h8ff82302dd620b52 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55c5dada4417 - std::rt::lang_start::he7d314f6421ef4e6 [INFO] [stderr] at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55c5dada43ca - main [INFO] [stderr] 28: 0x7f5101c4b0b3 - __libc_start_main [INFO] [stderr] 29: 0x55c5dada40ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2d743b8e62ef594aad19a7ecc50ae812257f54b47f4e487a235d2e3ec0007ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d743b8e62ef594aad19a7ecc50ae812257f54b47f4e487a235d2e3ec0007ef2", kill_on_drop: false }` [INFO] [stdout] 2d743b8e62ef594aad19a7ecc50ae812257f54b47f4e487a235d2e3ec0007ef2