[INFO] updating cached repository https://github.com/sinlov/rust_playground [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] a83992f3c7464dd47f64c1723b8e8ece42c7df20 [INFO] checking sinlov/rust_playground against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinlov%2Frust_playground" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinlov/rust_playground on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sinlov/rust_playground [INFO] finished tweaking git repo https://github.com/sinlov/rust_playground [INFO] tweaked toml for git repo https://github.com/sinlov/rust_playground written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/sinlov/rust_playground already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 338e96d03dfa0874565dbb84018b48b35fa9c25084eb8a6a2870970d1aa59f3b [INFO] running `"docker" "start" "-a" "338e96d03dfa0874565dbb84018b48b35fa9c25084eb8a6a2870970d1aa59f3b"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking safemem v0.3.1 [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking gzip-header v0.3.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] error: failed to run custom build command for `rust_playground v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rust_playground-5152efd7efa1d9b1/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Read-only file system (os error 30)', build.rs:13:22 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c5b61341e4 - backtrace::backtrace::libunwind::trace::hbae50f2b991d86ef [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55c5b61341e4 - backtrace::backtrace::trace_unsynchronized::h19bc23b015d2838f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c5b61341e4 - std::sys_common::backtrace::_print_fmt::he8cbf667081e4bf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x55c5b61341e4 - ::fmt::ha849c2c1bcf100e7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x55c5b614d20c - core::fmt::write::h603a714bd37b8e5c [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55c5b6132a07 - std::io::Write::write_fmt::hb319166cf1de5561 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55c5b61364e5 - std::sys_common::backtrace::_print::hda0c59cff136ee92 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x55c5b61364e5 - std::sys_common::backtrace::print::hea7aeb95cf61b134 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55c5b61364e5 - std::panicking::default_hook::{{closure}}::h4b10254e454f4b2c [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x55c5b61361d6 - std::panicking::default_hook::h6427597d12d4cbca [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55c5b6136b35 - std::panicking::rust_panic_with_hook::hccceacbc62eab668 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55c5b61366d2 - std::panicking::continue_panic_fmt::h8ea4922e4ade12b5 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x55c5b613662c - std::panicking::begin_panic_fmt::h5e8a49f0a8bdc36d [INFO] [stderr] at src/libstd/panicking.rs:335 [INFO] [stderr] 13: 0x55c5b612ef96 - build_script_build::main::hd0e39140a9d049c4 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13 [INFO] [stderr] 14: 0x55c5b612e510 - std::rt::lang_start::{{closure}}::h677ebf39adec5cfb [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55c5b61365b3 - std::rt::lang_start_internal::{{closure}}::h5f591d8741fb1e64 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x55c5b61365b3 - std::panicking::try::do_call::hc3ebe742ad7d149e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 17: 0x55c5b613849a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x55c5b613702d - std::panicking::try::hc94f3a47ff9c6438 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 19: 0x55c5b613702d - std::panic::catch_unwind::h702acac46b107571 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55c5b613702d - std::rt::lang_start_internal::h011095b45ca4068d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x55c5b612e4e9 - std::rt::lang_start::h8bef21a1497d12df [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x55c5b612f17a - main [INFO] [stderr] 23: 0x7ff5675a0b97 - __libc_start_main [INFO] [stderr] 24: 0x55c5b612d21a - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "338e96d03dfa0874565dbb84018b48b35fa9c25084eb8a6a2870970d1aa59f3b"` [INFO] running `"docker" "rm" "-f" "338e96d03dfa0874565dbb84018b48b35fa9c25084eb8a6a2870970d1aa59f3b"` [INFO] [stdout] 338e96d03dfa0874565dbb84018b48b35fa9c25084eb8a6a2870970d1aa59f3b