[INFO] updating cached repository https://github.com/T0mstone/tlib [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 3af00e1f4ff8a25f13bbabead988a14eb17c2a59 [INFO] checking T0mstone/tlib against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0mstone%2Ftlib" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/T0mstone/tlib on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/T0mstone/tlib [INFO] finished tweaking git repo https://github.com/T0mstone/tlib [INFO] tweaked toml for git repo https://github.com/T0mstone/tlib written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/T0mstone/tlib already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3137a7b8c45b9608884ac4cb9f86d372228573976b153a7eaf0971b7879fa00c [INFO] running `"docker" "start" "-a" "3137a7b8c45b9608884ac4cb9f86d372228573976b153a7eaf0971b7879fa00c"` [INFO] [stderr] Compiling tlib v0.6.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> build.rs:24:29 [INFO] [stderr] | [INFO] [stderr] 24 | fn join>(mut self, delim: U) -> T [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `tlib v0.6.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tlib-62071fcd1036644e/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to create file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e9ed248b64 - backtrace::backtrace::libunwind::trace::h07e9553c1ad1ecad [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55e9ed248b64 - backtrace::backtrace::trace_unsynchronized::h9e0e5a535fa6ae0f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55e9ed248b64 - std::sys_common::backtrace::_print_fmt::h4b577ea24f321ffb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55e9ed248b64 - ::fmt::ha28161264835f4f4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55e9ed2620fc - core::fmt::write::h4b048b90b965d771 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55e9ed247387 - std::io::Write::write_fmt::h3a6d100d8a1e388f [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55e9ed24aee5 - std::sys_common::backtrace::_print::ha2961e5db1a6da43 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55e9ed24aee5 - std::sys_common::backtrace::print::h3a868732f7f89b17 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55e9ed24aee5 - std::panicking::default_hook::{{closure}}::hb25db4ba1ba588ba [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x55e9ed24abd6 - std::panicking::default_hook::hf1df3f45e1769771 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x55e9ed24b535 - std::panicking::rust_panic_with_hook::ha0342d3096b3c9ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55e9ed24b0d2 - std::panicking::continue_panic_fmt::hb2f88a6099baa66b [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x55e9ed24afc6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 13: 0x55e9ed25faca - core::panicking::panic_fmt::ha4a113bebd34439f [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55e9ed25fbc7 - core::result::unwrap_failed::hefab55c2e35154b2 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55e9ed241999 - core::result::Result::expect::h5ae8b264ce875439 [INFO] [stderr] at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libcore/result.rs:960 [INFO] [stderr] 16: 0x55e9ed24413e - build_script_build::write_file::h08f03efb00e6ca3f [INFO] [stderr] at /opt/rustwide/workdir/build.rs:167 [INFO] [stderr] 17: 0x55e9ed244275 - build_script_build::make_file::hcf7b8d525e19fa29 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:173 [INFO] [stderr] 18: 0x55e9ed244300 - build_script_build::main::hac62f48eeb961ed3 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:177 [INFO] [stderr] 19: 0x55e9ed23d780 - std::rt::lang_start::{{closure}}::h0ef0bc2724634630 [INFO] [stderr] at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x55e9ed24afb3 - std::rt::lang_start_internal::{{closure}}::he2a0afb5b578106e [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 21: 0x55e9ed24afb3 - std::panicking::try::do_call::h30da202735d45c24 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 22: 0x55e9ed24ce8a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 23: 0x55e9ed24ba2d - std::panicking::try::h974d473864a5ddd4 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 24: 0x55e9ed24ba2d - std::panic::catch_unwind::h3bd08da23b55a60b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 25: 0x55e9ed24ba2d - std::rt::lang_start_internal::hf97f79993a3eaf6a [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 26: 0x55e9ed23d759 - std::rt::lang_start::h33469a6476018419 [INFO] [stderr] at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64 [INFO] [stderr] 27: 0x55e9ed24436a - main [INFO] [stderr] 28: 0x7f5f79edb2e1 - __libc_start_main [INFO] [stderr] 29: 0x55e9ed22e50a - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "3137a7b8c45b9608884ac4cb9f86d372228573976b153a7eaf0971b7879fa00c"` [INFO] running `"docker" "rm" "-f" "3137a7b8c45b9608884ac4cb9f86d372228573976b153a7eaf0971b7879fa00c"` [INFO] [stdout] 3137a7b8c45b9608884ac4cb9f86d372228573976b153a7eaf0971b7879fa00c