[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#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327 [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 b19afc12c4f781e95f168f2fdea339c972f14ae2-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7196fa9dbd4f2139a41a5f892a0e032792ab34b3b1608aa18f1b6ae7709ee258 [INFO] running `"docker" "start" "-a" "7196fa9dbd4f2139a41a5f892a0e032792ab34b3b1608aa18f1b6ae7709ee258"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking gzip-header v0.3.0 [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-5ce2e0b3d242b3b1/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: 0x55fe304bb1e4 - backtrace::backtrace::libunwind::trace::he281d1430a66d201 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55fe304bb1e4 - backtrace::backtrace::trace_unsynchronized::h102bb4b69987d605 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55fe304bb1e4 - std::sys_common::backtrace::_print_fmt::h7c2f159f268a4f8c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55fe304bb1e4 - ::fmt::h54378f2ca7d450f4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55fe304d420c - core::fmt::write::ha0a3ecae75b0dbc8 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55fe304b9a07 - std::io::Write::write_fmt::ha1cf046f2b915c3e [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55fe304bd4e5 - std::sys_common::backtrace::_print::ha9aa7e33ae167e9f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55fe304bd4e5 - std::sys_common::backtrace::print::h0f26745f782cf831 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55fe304bd4e5 - std::panicking::default_hook::{{closure}}::h9ac03e59053b82f0 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x55fe304bd1d6 - std::panicking::default_hook::h2bc2c167050e786d [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x55fe304bdb35 - std::panicking::rust_panic_with_hook::h8403eca5575e8757 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55fe304bd6d2 - std::panicking::continue_panic_fmt::h59d06952784da242 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x55fe304bd62c - std::panicking::begin_panic_fmt::h872fb236383521b0 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 13: 0x55fe304b5f96 - build_script_build::main::h34fa978f71d81d39 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13 [INFO] [stderr] 14: 0x55fe304b5510 - std::rt::lang_start::{{closure}}::h0200bb09829141aa [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55fe304bd5b3 - std::rt::lang_start_internal::{{closure}}::hb4c6339b185f201f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x55fe304bd5b3 - std::panicking::try::do_call::h467065f75f458473 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 17: 0x55fe304bf49a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x55fe304be02d - std::panicking::try::h67ed39ee2076b60d [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 19: 0x55fe304be02d - std::panic::catch_unwind::h1dd211c39ef1a928 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55fe304be02d - std::rt::lang_start_internal::h66991f896511b48c [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x55fe304b54e9 - std::rt::lang_start::h0e891ce41544d029 [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x55fe304b617a - main [INFO] [stderr] 23: 0x7f9e19601b97 - __libc_start_main [INFO] [stderr] 24: 0x55fe304b421a - _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" "7196fa9dbd4f2139a41a5f892a0e032792ab34b3b1608aa18f1b6ae7709ee258"` [INFO] running `"docker" "rm" "-f" "7196fa9dbd4f2139a41a5f892a0e032792ab34b3b1608aa18f1b6ae7709ee258"` [INFO] [stdout] 7196fa9dbd4f2139a41a5f892a0e032792ab34b3b1608aa18f1b6ae7709ee258