[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-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/T0mstone/tlib"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/T0mstone/tlib'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/T0mstone/tlib" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/T0mstone/tlib"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of T0mstone/tlib on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-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-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking T0mstone/tlib against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 06ca4917c3520960572b5aa90d0975c7d754518dbf20c40d93c2755b908ee08b [INFO] running `"docker" "start" "-a" "06ca4917c3520960572b5aa90d0975c7d754518dbf20c40d93c2755b908ee08b"` [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-07e40e5e57a39773/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:1051:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x559f87bdb34b - backtrace::backtrace::libunwind::trace::hbfb69e72f505529b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x559f87bdb34b - backtrace::backtrace::trace_unsynchronized::hac9ea77fa06b91bd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x559f87bdb34b - std::sys_common::backtrace::_print::hf6f722cabcf8c26d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x559f87bdb34b - std::sys_common::backtrace::print::h9cca5983945bdb52 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x559f87bdb34b - std::panicking::default_hook::{{closure}}::h2fab7259edc3a80d [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x559f87bdb027 - std::panicking::default_hook::ha99acf6d9268d46d [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x559f87bdba10 - std::panicking::rust_panic_with_hook::hddab2c65ce92e648 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x559f87bdb592 - std::panicking::continue_panic_fmt::hfaaf28183fee9f60 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x559f87bdb476 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x559f87bf01ad - core::panicking::panic_fmt::hc776b72619f795d7 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x559f87bc26cf - core::result::unwrap_failed::hdf2ece3634c551d5 [INFO] [stderr] at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x559f87bc2ee3 - core::result::Result::expect::hbed4488a8ab78ed5 [INFO] [stderr] at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libcore/result.rs:879 [INFO] [stderr] 12: 0x559f87bd3fee - build_script_build::write_file::hb4bec3391d8f894d [INFO] [stderr] at /opt/crater/workdir/build.rs:167 [INFO] [stderr] 13: 0x559f87bd4123 - build_script_build::make_file::h8ed8670455d1e5f2 [INFO] [stderr] at /opt/crater/workdir/build.rs:173 [INFO] [stderr] 14: 0x559f87bd41b0 - build_script_build::main::h21edf809f3673832 [INFO] [stderr] at /opt/crater/workdir/build.rs:177 [INFO] [stderr] 15: 0x559f87bce110 - std::rt::lang_start::{{closure}}::h7ceac0813f8d25b4 [INFO] [stderr] at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x559f87bdb463 - std::rt::lang_start_internal::{{closure}}::hbec6d1ff7b00d029 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 17: 0x559f87bdb463 - std::panicking::try::do_call::h83e51489f66cd002 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 18: 0x559f87bdd36a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 19: 0x559f87bdbf1d - std::panicking::try::hb1deae6a8854c8be [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 20: 0x559f87bdbf1d - std::panic::catch_unwind::hff09c33b8b66b7a2 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x559f87bdbf1d - std::rt::lang_start_internal::h01b3f7988e3fe75d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 22: 0x559f87bce0e9 - std::rt::lang_start::hab1d14a7a213edd0 [INFO] [stderr] at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64 [INFO] [stderr] 23: 0x559f87bd421a - main [INFO] [stderr] 24: 0x7fed13b072e1 - __libc_start_main [INFO] [stderr] 25: 0x559f87bbde4a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "06ca4917c3520960572b5aa90d0975c7d754518dbf20c40d93c2755b908ee08b"` [INFO] running `"docker" "rm" "-f" "06ca4917c3520960572b5aa90d0975c7d754518dbf20c40d93c2755b908ee08b"` [INFO] [stdout] 06ca4917c3520960572b5aa90d0975c7d754518dbf20c40d93c2755b908ee08b