[INFO] updating cached repository stevebob/four-button-roguelike [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/stevebob/four-button-roguelike [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/four-button-roguelike" "work/ex/beta-1.37-6/sources/1.36.0/gh/stevebob/four-button-roguelike"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/stevebob/four-button-roguelike'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/four-button-roguelike" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stevebob/four-button-roguelike"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stevebob/four-button-roguelike'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5eed78e3c2a943240168d4398899a07fc0cda7d9 [INFO] sha for GitHub repo stevebob/four-button-roguelike: 5eed78e3c2a943240168d4398899a07fc0cda7d9 [INFO] validating manifest of stevebob/four-button-roguelike on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of stevebob/four-button-roguelike on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing stevebob/four-button-roguelike [INFO] finished frobbing stevebob/four-button-roguelike [INFO] frobbed toml for stevebob/four-button-roguelike written to work/ex/beta-1.37-6/sources/1.36.0/gh/stevebob/four-button-roguelike/Cargo.toml [INFO] started frobbing stevebob/four-button-roguelike [INFO] finished frobbing stevebob/four-button-roguelike [INFO] frobbed toml for stevebob/four-button-roguelike written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stevebob/four-button-roguelike/Cargo.toml [INFO] crate stevebob/four-button-roguelike already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing stevebob/four-button-roguelike against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stevebob/four-button-roguelike:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 767be7f74f82d8a7d8441b97e92336e5b155621a7def72fa962b969f7d53ce85 [INFO] running `"docker" "start" "-a" "767be7f74f82d8a7d8441b97e92336e5b155621a7def72fa962b969f7d53ce85"` [INFO] [stderr] Compiling humansize v1.0.2 [INFO] [stderr] Compiling num-complex v0.1.41 [INFO] [stderr] Compiling num-bigint v0.1.41 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling num-rational v0.1.40 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.8 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling cgmath v0.15.0 [INFO] [stderr] Compiling tera v0.10.10 [INFO] [stderr] Compiling direction v0.1.0 [INFO] [stderr] Compiling entity_store_helper v0.2.0 [INFO] [stderr] Compiling entity_store_code_gen v0.2.3 [INFO] [stderr] Compiling four-button-roguelike v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `four-button-roguelike v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/four-button-roguelike-bf71a20eb13ca920/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Save(FailedToMakeSymlink("/opt/crater/target/debug/build/four-button-roguelike-81130a8b059618d7/out/entity_store.rs", Os { code: 30, kind: Other, message: "Read-only file system" }))', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56091cb458f3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x56091cb4140b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x56091cb44696 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x56091cb44429 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x56091cb44d3f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x56091cb448c1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x56091cb447a5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x56091cb5b15c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x56091c6deaa2 - core::result::unwrap_failed::hc1dfb7966c2b500b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x56091c6debbb - core::result::Result::unwrap::hd2ab68d60257ad52 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x56091c6de890 - build_script_build::main::h0a617256b38d1201 [INFO] [stderr] at /opt/crater/workdir/build.rs:4 [INFO] [stderr] 11: 0x56091c6de94f - std::rt::lang_start::{{closure}}::hcac7529f1afe7d1d [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x56091cb44742 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x56091cb47139 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x56091cb4524c - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x56091c6de928 - std::rt::lang_start::h15d89fd686312025 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x56091c6de8c9 - main [INFO] [stderr] 17: 0x7fb1d4af42e0 - __libc_start_main [INFO] [stderr] 18: 0x56091c6de659 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "767be7f74f82d8a7d8441b97e92336e5b155621a7def72fa962b969f7d53ce85"` [INFO] running `"docker" "rm" "-f" "767be7f74f82d8a7d8441b97e92336e5b155621a7def72fa962b969f7d53ce85"` [INFO] [stdout] 767be7f74f82d8a7d8441b97e92336e5b155621a7def72fa962b969f7d53ce85