[INFO] updating cached repository haedaal/rmacro [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/haedaal/rmacro [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/haedaal/rmacro" "work/ex/beta-1.37-6/sources/1.36.0/gh/haedaal/rmacro"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/haedaal/rmacro'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/haedaal/rmacro" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/haedaal/rmacro"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/haedaal/rmacro'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] acfdfeefc5129160b27375771b4e4537e383dc66 [INFO] sha for GitHub repo haedaal/rmacro: acfdfeefc5129160b27375771b4e4537e383dc66 [INFO] validating manifest of haedaal/rmacro 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 haedaal/rmacro 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 haedaal/rmacro [INFO] finished frobbing haedaal/rmacro [INFO] frobbed toml for haedaal/rmacro written to work/ex/beta-1.37-6/sources/1.36.0/gh/haedaal/rmacro/Cargo.toml [INFO] started frobbing haedaal/rmacro [INFO] finished frobbing haedaal/rmacro [INFO] frobbed toml for haedaal/rmacro written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/haedaal/rmacro/Cargo.toml [INFO] crate haedaal/rmacro 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 haedaal/rmacro 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/haedaal/rmacro:/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] ee5ff7f1cba9d0ad5cae253d9c3e30371438bd8350b162fb86fd55a8213fe008 [INFO] running `"docker" "start" "-a" "ee5ff7f1cba9d0ad5cae253d9c3e30371438bd8350b162fb86fd55a8213fe008"` [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling rmacro v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> build.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dst` [INFO] [stderr] --> build.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut dst = File::create(Path::new(".").join("tests.py")).unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_dst` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> build.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut dst = File::create(Path::new(".").join("tests.py")).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `rmacro v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rmacro-72c65b03e353e6d0/build-script-build` (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:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b59d595603 - 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: 0x55b59d5912ab - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55b59d594496 - 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: 0x55b59d594229 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55b59d594aef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55b59d594671 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55b59d594555 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55b59d5a4b0c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55b59d58a58e - core::result::unwrap_failed::ha5b9f9a0d354e4c0 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55b59d58a636 - core::result::Result::unwrap::hc05a3c3fb92aac64 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x55b59d5893d4 - build_script_build::main::hae0185e83594b535 [INFO] [stderr] at /opt/crater/workdir/build.rs:6 [INFO] [stderr] 11: 0x55b59d5899af - std::rt::lang_start::{{closure}}::h18158096bbc4fa6d [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55b59d594542 - 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: 0x55b59d5966e9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x55b59d594ffc - 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: 0x55b59d589988 - std::rt::lang_start::h6a240787c46d0820 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55b59d589669 - main [INFO] [stderr] 17: 0x7efd7e6f02e0 - __libc_start_main [INFO] [stderr] 18: 0x55b59d589249 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "ee5ff7f1cba9d0ad5cae253d9c3e30371438bd8350b162fb86fd55a8213fe008"` [INFO] running `"docker" "rm" "-f" "ee5ff7f1cba9d0ad5cae253d9c3e30371438bd8350b162fb86fd55a8213fe008"` [INFO] [stdout] ee5ff7f1cba9d0ad5cae253d9c3e30371438bd8350b162fb86fd55a8213fe008