[INFO] updating cached repository https://github.com/MegasKomnenos/poc [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 93177a2fd0c5cf8aec3e8450d64f34343ed803c4 [INFO] checking MegasKomnenos/poc against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MegasKomnenos/poc on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MegasKomnenos/poc [INFO] finished tweaking git repo https://github.com/MegasKomnenos/poc [INFO] tweaked toml for git repo https://github.com/MegasKomnenos/poc written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/MegasKomnenos/poc already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f4f7d9444db4861dbede654bb84169a889f29c2174b836cd7a3f33e5d984cdfd [INFO] running `"docker" "start" "-a" "f4f7d9444db4861dbede654bb84169a889f29c2174b836cd7a3f33e5d984cdfd"` [INFO] [stderr] Compiling bitintr v0.3.0 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling err-derive v0.1.6 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling lexical v2.2.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking backtrace-sys v0.1.32 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking x11-dl v2.18.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking euclid v0.20.4 [INFO] [stderr] Checking alsa-sys v0.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-a573f540654fe910/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5576d81a48e8 - backtrace::backtrace::libunwind::trace::hdec022fb119dd06d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5576d81a48e8 - backtrace::backtrace::trace_unsynchronized::h1f309365306cc260 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5576d81a48e8 - std::sys_common::backtrace::_print_fmt::hedd348b4f893987a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5576d81a48e8 - ::fmt::h381b96a3f9ce8032 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5576d81c299c - core::fmt::write::he5b6a663f8bc9f46 [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x5576d81a2167 - std::io::Write::write_fmt::h39edd6a910b76376 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x5576d81a6d75 - std::sys_common::backtrace::_print::hecbfa51643b1d1b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5576d81a6d75 - std::sys_common::backtrace::print::he854cdfad1b40844 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5576d81a6d75 - std::panicking::default_hook::{{closure}}::h590c45dbd8599059 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5576d81a6ab6 - std::panicking::default_hook::h6b14cee906df5ae9 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5576d81a7332 - std::panicking::rust_panic_with_hook::h845de504d308e21c [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x5576d81a6f1b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x5576d81c1be1 - core::panicking::panic_fmt::hc919459cc61f60e0 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5576d81c1a03 - core::option::expect_none_failed::hcec7632dbb4bd9b0 [INFO] [stderr] at src/libcore/option.rs:1199 [INFO] [stderr] 14: 0x5576d817ae8f - core::result::Result::unwrap::hae1ae83b13fb6978 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libcore/result.rs:963 [INFO] [stderr] 15: 0x5576d81776f5 - build_script_build::main::h40609a369d5d3807 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 16: 0x5576d8179350 - std::rt::lang_start::{{closure}}::h7f0a5195b1937778 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5576d81a6e43 - std::rt::lang_start_internal::{{closure}}::h79efcdb1c4a7311a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5576d81a6e43 - std::panicking::try::do_call::h8837c722d8d26052 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x5576d81ad627 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x5576d81a77d9 - std::panicking::try::h6df407c9e373308b [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x5576d81a77d9 - std::panic::catch_unwind::hb93a3e23c13dcc76 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5576d81a77d9 - std::rt::lang_start_internal::h0eeb85a0fe3bba7b [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x5576d8179329 - std::rt::lang_start::h069e9dc490a07e43 [INFO] [stderr] at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x5576d81787ca - main [INFO] [stderr] 25: 0x7f8c5e46db97 - __libc_start_main [INFO] [stderr] 26: 0x5576d817702a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f4f7d9444db4861dbede654bb84169a889f29c2174b836cd7a3f33e5d984cdfd"` [INFO] running `"docker" "rm" "-f" "f4f7d9444db4861dbede654bb84169a889f29c2174b836cd7a3f33e5d984cdfd"` [INFO] [stdout] f4f7d9444db4861dbede654bb84169a889f29c2174b836cd7a3f33e5d984cdfd