[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 master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinlov%2Frust_playground" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinlov/rust_playground on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-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-7/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" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/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" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 625b88b34247f827ff82167803d99b85754b0b0a5f85585359d27de9617d152b [INFO] running `"docker" "start" "-a" "625b88b34247f827ff82167803d99b85754b0b0a5f85585359d27de9617d152b"` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Checking safemem v0.3.1 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking gzip-header v0.3.0 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking deflate v0.7.20 [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-8b14930715a35e04/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: 0x5650284701e4 - backtrace::backtrace::libunwind::trace::h3c777145747bb537 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5650284701e4 - backtrace::backtrace::trace_unsynchronized::h66b9e4a5d8dcdac1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5650284701e4 - std::sys_common::backtrace::_print_fmt::h67af8761982571ce [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x5650284701e4 - ::fmt::hd2414c318764e035 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x56502848920c - core::fmt::write::h6b1d9e7d0caf83ef [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x56502846ea07 - std::io::Write::write_fmt::h7d23ef4c2e86d894 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x5650284724e5 - std::sys_common::backtrace::_print::h95f9ce51820bb860 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x5650284724e5 - std::sys_common::backtrace::print::h60cdacab02cba05c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5650284724e5 - std::panicking::default_hook::{{closure}}::hd6f0e16d93b9b5c8 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x5650284721d6 - std::panicking::default_hook::hd45736b469c8d928 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x565028472b35 - std::panicking::rust_panic_with_hook::hcc17bc0996b76a4c [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x5650284726d2 - std::panicking::continue_panic_fmt::hacd60ce981312f06 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x56502847262c - std::panicking::begin_panic_fmt::ha10e51743118097a [INFO] [stderr] at src/libstd/panicking.rs:335 [INFO] [stderr] 13: 0x56502846af96 - build_script_build::main::h18ec4d4c90e28e9e [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13 [INFO] [stderr] 14: 0x56502846a510 - std::rt::lang_start::{{closure}}::h20661b0fef614444 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x5650284725b3 - std::rt::lang_start_internal::{{closure}}::h677067c06c8055b2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x5650284725b3 - std::panicking::try::do_call::h02b31030ec0cae5e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 17: 0x56502847449a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x56502847302d - std::panicking::try::h3d608dc302373513 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 19: 0x56502847302d - std::panic::catch_unwind::hbd3bc0654419de57 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x56502847302d - std::rt::lang_start_internal::hb18b97680fa7fcd0 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x56502846a4e9 - std::rt::lang_start::hd03e2174aaa21619 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x56502846b17a - main [INFO] [stderr] 23: 0x7f3c0af27b97 - __libc_start_main [INFO] [stderr] 24: 0x56502846921a - _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" "625b88b34247f827ff82167803d99b85754b0b0a5f85585359d27de9617d152b"` [INFO] running `"docker" "rm" "-f" "625b88b34247f827ff82167803d99b85754b0b0a5f85585359d27de9617d152b"` [INFO] [stdout] 625b88b34247f827ff82167803d99b85754b0b0a5f85585359d27de9617d152b