Sep 10 14:16:58.050 INFO checking mutagen-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:16:58.051 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:16:58.051 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:16:58.263 INFO blam! 1b4d2c371c788def0415cedc0bd87854c8b4f7c1887fa9ec5d4cb29256693cf3
Sep 10 14:16:58.265 INFO running `"docker" "start" "-a" "1b4d2c371c788def0415cedc0bd87854c8b4f7c1887fa9ec5d4cb29256693cf3"`
Sep 10 14:16:59.459 INFO kablam! usermod: no changes
Sep 10 14:16:59.498 INFO kablam!    Compiling mutagen v0.1.1 (file:///source)
Sep 10 14:17:00.352 INFO kablam! error: failed to run custom build command for `mutagen v0.1.1 (file:///source)`
Sep 10 14:17:00.352 INFO kablam! process didn't exit successfully: `/target/debug/build/mutagen-046720c556f9ca7c/build-script-build` (exit code: 101)
Sep 10 14:17:00.352 INFO kablam! --- stderr
Sep 10 14:17:00.352 INFO kablam! thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', libcore/result.rs:979:5
Sep 10 14:17:00.352 INFO kablam! stack backtrace:
Sep 10 14:17:00.352 INFO kablam!    0:     0x55fead7483ae - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6fe5173ae235b38f
Sep 10 14:17:00.352 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 10 14:17:00.352 INFO kablam!    1:     0x55fead750be6 - std::sys_common::backtrace::print::hb1efbd3d067eabc6
Sep 10 14:17:00.352 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 10 14:17:00.352 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 10 14:17:00.352 INFO kablam!    2:     0x55fead74f58d - std::panicking::default_hook::{{closure}}::h109166af4c755142
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:211
Sep 10 14:17:00.352 INFO kablam!    3:     0x55fead74f300 - std::panicking::default_hook::h992f159215e34f14
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:227
Sep 10 14:17:00.352 INFO kablam!    4:     0x55fead74fb4c - std::panicking::rust_panic_with_hook::h7d90dcad0bb485f2
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:477
Sep 10 14:17:00.352 INFO kablam!    5:     0x55fead74f749 - std::panicking::continue_panic_fmt::hd1c785c0ba366e26
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:391
Sep 10 14:17:00.352 INFO kablam!    6:     0x55fead74f645 - rust_begin_unwind
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:326
Sep 10 14:17:00.352 INFO kablam!    7:     0x55fead78af0b - core::panicking::panic_fmt::hd57c6dafe91b27ac
Sep 10 14:17:00.352 INFO kablam!                                at libcore/panicking.rs:77
Sep 10 14:17:00.352 INFO kablam!    8:     0x55fead740d83 - core::result::unwrap_failed::hc37c962c5c25b951
Sep 10 14:17:00.352 INFO kablam!                                at /checkout/src/libcore/macros.rs:26
Sep 10 14:17:00.352 INFO kablam!    9:     0x55fead7404ff - <core::result::Result<T, E>>::unwrap::h5a2584a0dedb1439
Sep 10 14:17:00.352 INFO kablam!                                at /checkout/src/libcore/result.rs:778
Sep 10 14:17:00.352 INFO kablam!   10:     0x55fead73ad27 - build_script_build::main::hf50bf1c4d0fa378b
Sep 10 14:17:00.352 INFO kablam!                                at /source/build.rs:424
Sep 10 14:17:00.352 INFO kablam!   11:     0x55fead73d02f - std::rt::lang_start::{{closure}}::he1f2cfdfe3718c14
Sep 10 14:17:00.352 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 10 14:17:00.352 INFO kablam!   12:     0x55fead74f632 - std::panicking::try::do_call::h2ece1f76d9e135ca
Sep 10 14:17:00.352 INFO kablam!                                at libstd/rt.rs:59
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:310
Sep 10 14:17:00.352 INFO kablam!   13:     0x55fead75bf69 - __rust_maybe_catch_panic
Sep 10 14:17:00.352 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 10 14:17:00.352 INFO kablam!   14:     0x55fead745945 - std::rt::lang_start_internal::h72dcb4aefab2c171
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panicking.rs:289
Sep 10 14:17:00.352 INFO kablam!                                at libstd/panic.rs:392
Sep 10 14:17:00.352 INFO kablam!                                at libstd/rt.rs:58
Sep 10 14:17:00.352 INFO kablam!   15:     0x55fead73d007 - std::rt::lang_start::ha63c464b1bb129da
Sep 10 14:17:00.352 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 10 14:17:00.352 INFO kablam!   16:     0x55fead73ad79 - main
Sep 10 14:17:00.352 INFO kablam!   17:     0x7fb2608e382f - __libc_start_main
Sep 10 14:17:00.352 INFO kablam!   18:     0x55fead737c98 - _start
Sep 10 14:17:00.352 INFO kablam!   19:                0x0 - <unknown>
Sep 10 14:17:00.353 INFO kablam! 
Sep 10 14:17:00.354 INFO kablam! su: No module specific data is present
Sep 10 14:17:01.072 INFO running `"docker" "rm" "-f" "1b4d2c371c788def0415cedc0bd87854c8b4f7c1887fa9ec5d4cb29256693cf3"`
Sep 10 14:17:01.181 INFO blam! 1b4d2c371c788def0415cedc0bd87854c8b4f7c1887fa9ec5d4cb29256693cf3