[INFO] updating cached repository T0mstone/tlib [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/T0mstone/tlib [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/T0mstone/tlib" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/T0mstone/tlib"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/T0mstone/tlib'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/T0mstone/tlib" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/T0mstone/tlib"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/T0mstone/tlib'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3af00e1f4ff8a25f13bbabead988a14eb17c2a59 [INFO] sha for GitHub repo T0mstone/tlib: 3af00e1f4ff8a25f13bbabead988a14eb17c2a59 [INFO] validating manifest of T0mstone/tlib on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of T0mstone/tlib on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing T0mstone/tlib [INFO] finished frobbing T0mstone/tlib [INFO] frobbed toml for T0mstone/tlib written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/T0mstone/tlib/Cargo.toml [INFO] started frobbing T0mstone/tlib [INFO] finished frobbing T0mstone/tlib [INFO] frobbed toml for T0mstone/tlib written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/T0mstone/tlib/Cargo.toml [INFO] crate T0mstone/tlib already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking T0mstone/tlib against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-7/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/T0mstone/tlib:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2ae207c18fefa0da935f195f17cba3814c0a32ff379fb31a5e772ea54134b0d3 [INFO] running `"docker" "start" "-a" "2ae207c18fefa0da935f195f17cba3814c0a32ff379fb31a5e772ea54134b0d3"` [INFO] [stderr] Compiling tlib v0.6.1 (/opt/crater/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/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/tlib-33bb14f5ad797758/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:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a3002b431b - backtrace::backtrace::libunwind::trace::hc5a758871b6ebf05 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55a3002b431b - backtrace::backtrace::trace_unsynchronized::hdad9729cc53c45f3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a3002b431b - std::sys_common::backtrace::_print::hccf66646430a9cbc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55a3002b431b - std::sys_common::backtrace::print::h6c902507aa1c61bf [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55a3002b431b - std::panicking::default_hook::{{closure}}::hc0c79151a0a4b58f [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55a3002b3ff7 - std::panicking::default_hook::hfd408bb664bf319a [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55a3002b49e0 - std::panicking::rust_panic_with_hook::hb2d4371b6afbe17a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55a3002b4562 - std::panicking::continue_panic_fmt::h6eef1f2d6e3abc2b [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55a3002b4446 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55a3002c917d - core::panicking::panic_fmt::h9f3781beea83a294 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55a30029b34f - core::result::unwrap_failed::h5d839083b7323991 [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55a30029be53 - core::result::Result::expect::h27f4ae3e1ae74748 [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/result.rs:827 [INFO] [stderr] 12: 0x55a3002acffe - build_script_build::write_file::h112b7d0b8de8f8e8 [INFO] [stderr] at /opt/crater/workdir/build.rs:167 [INFO] [stderr] 13: 0x55a3002ad133 - build_script_build::make_file::h02d5dc7325324712 [INFO] [stderr] at /opt/crater/workdir/build.rs:173 [INFO] [stderr] 14: 0x55a3002ad1c0 - build_script_build::main::h5ffb50c4dbe1c006 [INFO] [stderr] at /opt/crater/workdir/build.rs:177 [INFO] [stderr] 15: 0x55a3002a7120 - std::rt::lang_start::{{closure}}::h8738e3e5c68b3807 [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55a3002b4433 - std::rt::lang_start_internal::{{closure}}::h86569d7197572496 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 17: 0x55a3002b4433 - std::panicking::try::do_call::hc05ef3c0bbb0a2c9 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 18: 0x55a3002b633a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 19: 0x55a3002b4eed - std::panicking::try::h5f7f6728fc93999f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 20: 0x55a3002b4eed - std::panic::catch_unwind::h9120cbd852b844f2 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 21: 0x55a3002b4eed - std::rt::lang_start_internal::h20e51e71516fa081 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 22: 0x55a3002a70f9 - std::rt::lang_start::h1879ad20c6ab282f [INFO] [stderr] at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64 [INFO] [stderr] 23: 0x55a3002ad22a - main [INFO] [stderr] 24: 0x7f6f2331a2e1 - __libc_start_main [INFO] [stderr] 25: 0x55a300296e4a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "2ae207c18fefa0da935f195f17cba3814c0a32ff379fb31a5e772ea54134b0d3"` [INFO] running `"docker" "rm" "-f" "2ae207c18fefa0da935f195f17cba3814c0a32ff379fb31a5e772ea54134b0d3"` [INFO] [stdout] 2ae207c18fefa0da935f195f17cba3814c0a32ff379fb31a5e772ea54134b0d3