[INFO] cloning repository https://github.com/agoodstart/snake-game-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agoodstart/snake-game-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Fsnake-game-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Fsnake-game-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04af5c7c9a9c36b827261f4bf5dca0992a25380e
[INFO] checking agoodstart/snake-game-rust against try#4d7187a26f9eb7e5000e28e28662298d34d2508f for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Fsnake-game-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agoodstart/snake-game-rust on toolchain 4d7187a26f9eb7e5000e28e28662298d34d2508f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agoodstart/snake-game-rust
[INFO] finished tweaking git repo https://github.com/agoodstart/snake-game-rust
[INFO] tweaked toml for git repo https://github.com/agoodstart/snake-game-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/agoodstart/snake-game-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e563a9b938f48636828b5785c1228df2e545d48e975b207060571327370042
[INFO] running `Command { std: "docker" "start" "-a" "46e563a9b938f48636828b5785c1228df2e545d48e975b207060571327370042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e563a9b938f48636828b5785c1228df2e545d48e975b207060571327370042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e563a9b938f48636828b5785c1228df2e545d48e975b207060571327370042", kill_on_drop: false }`
[INFO] [stdout] 46e563a9b938f48636828b5785c1228df2e545d48e975b207060571327370042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392cdc9a3f0803d2ceb7c1178955a4e89724cc40176a0246f508b74944ef9753
[INFO] running `Command { std: "docker" "start" "-a" "392cdc9a3f0803d2ceb7c1178955a4e89724cc40176a0246f508b74944ef9753", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.79`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-4be81072b405cd36/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.79/build.rs:7:31
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c80861e150 - std::backtrace_rs::backtrace::libunwind::trace::h07ee9e8455876c9e
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x55c80861e150 - std::backtrace_rs::backtrace::trace_unsynchronized::hdf64189a16a2c25c
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c80861e150 - std::sys_common::backtrace::_print_fmt::he7f7f549c48ce5ff
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55c80861e150 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8a3a2b9e7a14777a
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55c80863b2be - core::fmt::write::hea97b210c7c0fbbc
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/fmt/mod.rs:1209:17
[INFO] [stderr]      5:     0x55c80861b415 - std::io::Write::write_fmt::h43628bfcef503a0c
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x55c80861f7e3 - std::sys_common::backtrace::_print::h8866fe27a7ba9041
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55c80861f7e3 - std::sys_common::backtrace::print::h14204fe425303c01
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55c80861f7e3 - std::panicking::default_hook::{{closure}}::hd259359943954900
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x55c80861f4ba - std::panicking::default_hook::hd424bc7bc7b2239c
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x55c80861fe89 - std::panicking::rust_panic_with_hook::h52a643e01eba61e9
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:669:13
[INFO] [stderr]     11:     0x55c80861fd87 - std::panicking::begin_panic_handler::{{closure}}::haed26e65bf4edf6c
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:560:13
[INFO] [stderr]     12:     0x55c80861e5fc - std::sys_common::backtrace::__rust_end_short_backtrace::hd4e7cdfe7168c3d1
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55c80861faa2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:556:5
[INFO] [stderr]     14:     0x55c8085f7b43 - core::panicking::panic_fmt::h56ad05cceef47a18
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x55c80863a561 - core::panicking::panic_display::h9be1b4d8c9945f52
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x55c80863a50b - core::panicking::panic_str::hb210ad56a9878ba8
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x55c8085f79b6 - core::option::expect_failed::h9fc104ce3f84a784
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/option.rs:1873:5
[INFO] [stderr]     18:     0x55c808601742 - core::option::Option<T>::expect::h1bc795fd6391a8bc
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/option.rs:738:21
[INFO] [stderr]     19:     0x55c8085fd6a7 - build_script_build::main::hcf1e80306c3bf7c6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.79/build.rs:7:9
[INFO] [stderr]     20:     0x55c8085febbb - core::ops::function::FnOnce::call_once::h0974bdd802f35c2f
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/ops/function.rs:251:5
[INFO] [stderr]     21:     0x55c80860086e - std::sys_common::backtrace::__rust_begin_short_backtrace::hea7e47be7b036362
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x55c8085fa021 - std::rt::lang_start::{{closure}}::he7346a58fbf20f44
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x55c80861894f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4b2ab2c7c45d3678
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/core/src/ops/function.rs:286:13
[INFO] [stderr]     24:     0x55c80861894f - std::panicking::try::do_call::hc03ecdae74438283
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:464:40
[INFO] [stderr]     25:     0x55c80861894f - std::panicking::try::hdd008e3f5bb609d3
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:428:19
[INFO] [stderr]     26:     0x55c80861894f - std::panic::catch_unwind::h5cddce83a0509cc6
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x55c80861894f - std::rt::lang_start_internal::{{closure}}::h37cf10ebb9d40e65
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55c80861894f - std::panicking::try::do_call::h4c7d14eab54cf965
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:464:40
[INFO] [stderr]     29:     0x55c80861894f - std::panicking::try::h05509ff353093a02
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panicking.rs:428:19
[INFO] [stderr]     30:     0x55c80861894f - std::panic::catch_unwind::h58500612c1e6d8a6
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x55c80861894f - std::rt::lang_start_internal::h13bccaeb388bf3a5
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55c8085f9ffa - std::rt::lang_start::h4b88bc0361c1ac74
[INFO] [stderr]                                  at /rustc/4d7187a26f9eb7e5000e28e28662298d34d2508f/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x55c8085feb81 - main
[INFO] [stderr]     34:     0x7f09a57b0083 - __libc_start_main
[INFO] [stderr]     35:     0x55c8085f7d1e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "392cdc9a3f0803d2ceb7c1178955a4e89724cc40176a0246f508b74944ef9753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392cdc9a3f0803d2ceb7c1178955a4e89724cc40176a0246f508b74944ef9753", kill_on_drop: false }`
[INFO] [stdout] 392cdc9a3f0803d2ceb7c1178955a4e89724cc40176a0246f508b74944ef9753