[INFO] crate convco 0.2.2 is already in cache [INFO] checking convco-0.2.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917 [INFO] extracting crate convco 0.2.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate convco 0.2.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a [INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate convco 0.2.2 [INFO] finished tweaking crates.io crate convco 0.2.2 [INFO] tweaked toml for crates.io crate convco 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate convco 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 385fc58ba73322cc4d36eba6b1f68d0f07a32673c44ce4d1d77cdf95c21a59a3 [INFO] running `"docker" "start" "-a" "385fc58ba73322cc4d36eba6b1f68d0f07a32673c44ce4d1d77cdf95c21a59a3"` [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking pest v2.1.2 [INFO] [stderr] Compiling jobserver v0.1.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libgit2-sys v0.10.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Checking git2 v0.11.0 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling proc-macro-error v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.9 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Compiling structopt v0.3.9 [INFO] [stderr] Compiling convco v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] error: failed to run custom build command for `convco v0.2.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/convco-a7f4bdeaa7a6860a/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" }', build.rs:11:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5611787a5214 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5611787a5214 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5611787a5214 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5611787a5214 - ::fmt::ha1ba73c9085723eb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5611787c3c6c - core::fmt::write::hb4ac1e8a8c800611 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x5611787a33d3 - std::io::Write::write_fmt::ha413e6029f4d499f [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x5611787a77b5 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5611787a77b5 - std::sys_common::backtrace::print::h49229e3486b70f83 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5611787a77b5 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5611787a74f2 - std::panicking::default_hook::h4c2b6d8d034c53de [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5611787a7dc2 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x5611787a79ab - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x5611787c3051 - core::panicking::panic_fmt::h01af33c385562c2b [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x5611787c2e73 - core::option::expect_none_failed::h3282d660fe6c910b [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x561178720a50 - core::result::Result::unwrap::h0430ff93c5256a61 [INFO] [stderr] at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x56117871ac2a - build_script_build::main::hb4d14f22193df966 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11 [INFO] [stderr] 16: 0x56117871f57b - std::rt::lang_start::{{closure}}::h8a1bbc8eec268276 [INFO] [stderr] at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5611787a8208 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5611787a8208 - std::panicking::try::do_call::hc26b3db2421dedbb [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5611787a8208 - std::panicking::try::h4da6835c8705b8a7 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x5611787a8208 - std::panic::catch_unwind::h02aff520273fa6b1 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5611787a8208 - std::rt::lang_start_internal::he0572ca212cb5ef4 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x56117871f557 - std::rt::lang_start::hfb52b825dff9f055 [INFO] [stderr] at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x56117871e5ca - main [INFO] [stderr] 24: 0x7f1e32d77b97 - __libc_start_main [INFO] [stderr] 25: 0x56117871aa4a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "385fc58ba73322cc4d36eba6b1f68d0f07a32673c44ce4d1d77cdf95c21a59a3"` [INFO] running `"docker" "rm" "-f" "385fc58ba73322cc4d36eba6b1f68d0f07a32673c44ce4d1d77cdf95c21a59a3"` [INFO] [stdout] 385fc58ba73322cc4d36eba6b1f68d0f07a32673c44ce4d1d77cdf95c21a59a3