[INFO] updating cached repository https://github.com/nelsonjchen/pty_ws [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] c353de8fadd74970e2fa1dfd2d81e4723fb38d5f [INFO] testing nelsonjchen/pty_ws against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsonjchen%2Fpty_ws" "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/nelsonjchen/pty_ws on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nelsonjchen/pty_ws [INFO] finished tweaking git repo https://github.com/nelsonjchen/pty_ws [INFO] tweaked toml for git repo https://github.com/nelsonjchen/pty_ws written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/nelsonjchen/pty_ws already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 41ca6bac8518495fb4f0cf073c5e41704593ca3a195e74b6c3aa1666417b4a3f [INFO] running `"docker" "start" "-a" "41ca6bac8518495fb4f0cf073c5e41704593ca3a195e74b6c3aa1666417b4a3f"` [INFO] [stderr] Compiling cc v1.0.1 [INFO] [stderr] Compiling ascii v0.7.1 [INFO] [stderr] Compiling chunked_transfer v0.3.1 [INFO] [stderr] Compiling buf_redux v0.1.3 [INFO] [stderr] Compiling atomic-option v0.1.2 [INFO] [stderr] Compiling serde v1.0.15 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Compiling filetime v0.1.14 [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling serde v0.6.15 [INFO] [stderr] Compiling term v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.15 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling parking_lot_core v0.2.6 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime v0.1.3 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling bus v1.3.2 [INFO] [stderr] Compiling mime_guess v1.5.0 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling tiny_http v0.5.8 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.5.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-e2722895686b4725/build-script-gen_mime_types` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55be7f8e66e4 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55be7f8e66e4 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55be7f8e66e4 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x55be7f8e66e4 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x55be7f90026c - core::fmt::write::h7fd0d904495c035f [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55be7f8e4ef7 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55be7f8e8a65 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x55be7f8e8a65 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55be7f8e8a65 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x55be7f8e8756 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55be7f8e90b5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55be7f8e8c52 - std::panicking::continue_panic_fmt::hd961751be84a6f83 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x55be7f8e8b46 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x55be7f8fdc3a - core::panicking::panic_fmt::h467e0364f9237670 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55be7f8fdd37 - core::result::unwrap_failed::h38f3a56f1dadf080 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55be7f8bb270 - core::result::Result::unwrap::hc05aa0a9b306367b [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x55be7f8d1d63 - build_script_gen_mime_types::main::h5b3ab0e19e86e862 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.5.0/src/gen_mime_types.rs:16 [INFO] [stderr] 17: 0x55be7f8b59f0 - std::rt::lang_start::{{closure}}::h6f47a28d8c81c28c [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55be7f8e8b33 - std::rt::lang_start_internal::{{closure}}::hf85bf15597d76295 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55be7f8e8b33 - std::panicking::try::do_call::hd308ec0604b9bc21 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x55be7f8eaa4a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55be7f8e95ad - std::panicking::try::hafc45125a5bd2b22 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x55be7f8e95ad - std::panic::catch_unwind::h8494678ec44c4b51 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55be7f8e95ad - std::rt::lang_start_internal::h7404667a595739f8 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55be7f8b59c9 - std::rt::lang_start::h7fec9938561c4666 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55be7f8d21da - main [INFO] [stderr] 26: 0x7f43e4013b97 - __libc_start_main [INFO] [stderr] 27: 0x55be7f8a5bfa - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "41ca6bac8518495fb4f0cf073c5e41704593ca3a195e74b6c3aa1666417b4a3f"` [INFO] running `"docker" "rm" "-f" "41ca6bac8518495fb4f0cf073c5e41704593ca3a195e74b6c3aa1666417b4a3f"` [INFO] [stdout] 41ca6bac8518495fb4f0cf073c5e41704593ca3a195e74b6c3aa1666417b4a3f