[INFO] fetching crate jargon 0.2.1... [INFO] testing jargon-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate jargon 0.2.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate jargon 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate jargon 0.2.1 [INFO] finished tweaking crates.io crate jargon 0.2.1 [INFO] tweaked toml for crates.io crate jargon 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate jargon 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5572b4690a10afe436df52a8dbbd71dfe240d5ae952667f719d787dd8f4cf567 [INFO] running `"docker" "start" "-a" "5572b4690a10afe436df52a8dbbd71dfe240d5ae952667f719d787dd8f4cf567"` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling miniz_oxide v0.3.5 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling colored v1.9.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling jargon v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `jargon v0.2.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/jargon-4a7e3f40c580eebb/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:61:22 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5627fa005be4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5627fa005be4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5627fa005be4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5627fa005be4 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5627fa024f6c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x5627fa004413 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x5627fa0081b5 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5627fa0081b5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5627fa0081b5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5627fa007ef2 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5627fa008812 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x5627fa0083fb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x5627fa024351 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x5627fa024173 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x5627f9df091b - core::result::Result::unwrap::h6dcc384a7ae24a52 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5627f9def323 - build_script_build::write_lib::hda135dea2bc0ee0b [INFO] [stderr] at /opt/rustwide/workdir/build.rs:61 [INFO] [stderr] 16: 0x5627f9defff1 - build_script_build::main::h4f29c923037b03b9 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:93 [INFO] [stderr] 17: 0x5627f9de61ab - std::rt::lang_start::{{closure}}::h8536b915357192a0 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x5627fa008c58 - std::rt::lang_start_internal::{{closure}}::h76043ceda1ce1596 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x5627fa008c58 - std::panicking::try::do_call::hb3d81a78fdf1ed63 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 20: 0x5627fa008c58 - std::panicking::try::he8d7c35962fb5d7e [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5627fa008c58 - std::panic::catch_unwind::h643ad9bfe058a347 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5627fa008c58 - std::rt::lang_start_internal::h4b0f023744ce345f [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x5627f9de6187 - std::rt::lang_start::h44521f0c8c0e912f [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x5627f9df008a - main [INFO] [stderr] 25: 0x7f7d6d4a6b97 - __libc_start_main [INFO] [stderr] 26: 0x5627f9ddea8a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "5572b4690a10afe436df52a8dbbd71dfe240d5ae952667f719d787dd8f4cf567"` [INFO] running `"docker" "rm" "-f" "5572b4690a10afe436df52a8dbbd71dfe240d5ae952667f719d787dd8f4cf567"` [INFO] [stdout] 5572b4690a10afe436df52a8dbbd71dfe240d5ae952667f719d787dd8f4cf567