Sep 04 10:21:45.389 INFO checking mutagen-0.1.1 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 10:21:45.389 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 10:21:45.390 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 10:21:45.556 INFO blam! f293939ba80f5a88956664320cb08c92988f312958ab6f053d77ef9e4ee7436f
Sep 04 10:21:45.558 INFO running `"docker" "start" "-a" "f293939ba80f5a88956664320cb08c92988f312958ab6f053d77ef9e4ee7436f"`
Sep 04 10:21:46.112 INFO kablam!    Compiling mutagen v0.1.1 (file:///source)
Sep 04 10:21:47.189 INFO kablam! error: failed to run custom build command for `mutagen v0.1.1 (file:///source)`
Sep 04 10:21:47.189 INFO kablam! process didn't exit successfully: `/target/debug/build/mutagen-3fc67d7d7d8cbde7/build-script-build` (exit code: 101)
Sep 04 10:21:47.189 INFO kablam! --- stderr
Sep 04 10:21:47.189 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:983:5
Sep 04 10:21:47.189 INFO kablam! stack backtrace:
Sep 04 10:21:47.189 INFO kablam!    0:     0x5631600f83ee - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::ha53509682dbd7f85
Sep 04 10:21:47.189 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 04 10:21:47.189 INFO kablam!    1:     0x563160100bc6 - std::sys_common::backtrace::print::h3aced1bbe2b8ca94
Sep 04 10:21:47.189 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 04 10:21:47.189 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 04 10:21:47.189 INFO kablam!    2:     0x5631600ff56d - std::panicking::default_hook::{{closure}}::h76b1883c3c87e0fa
Sep 04 10:21:47.189 INFO kablam!                                at libstd/panicking.rs:211
Sep 04 10:21:47.189 INFO kablam!    3:     0x5631600ff2e0 - std::panicking::default_hook::h74b87988c51c021c
Sep 04 10:21:47.189 INFO kablam!                                at libstd/panicking.rs:227
Sep 04 10:21:47.189 INFO kablam!    4:     0x5631600ffb2c - std::panicking::rust_panic_with_hook::h3878be5cebe1ecc9
Sep 04 10:21:47.189 INFO kablam!                                at libstd/panicking.rs:477
Sep 04 10:21:47.189 INFO kablam!    5:     0x5631600ff729 - std::panicking::continue_panic_fmt::h7964842efee54f94
Sep 04 10:21:47.190 INFO kablam!                                at libstd/panicking.rs:391
Sep 04 10:21:47.190 INFO kablam!    6:     0x5631600ff625 - rust_begin_unwind
Sep 04 10:21:47.190 INFO kablam!                                at libstd/panicking.rs:326
Sep 04 10:21:47.190 INFO kablam!    7:     0x56316013aeeb - core::panicking::panic_fmt::h7fcf504efda3f2c3
Sep 04 10:21:47.190 INFO kablam!                                at libcore/panicking.rs:77
Sep 04 10:21:47.190 INFO kablam!    8:     0x5631600f0db3 - core::result::unwrap_failed::hdf22891e22792f30
Sep 04 10:21:47.190 INFO kablam!                                at /checkout/src/libcore/macros.rs:26
Sep 04 10:21:47.190 INFO kablam!    9:     0x5631600f04bf - <core::result::Result<T, E>>::unwrap::h69fe4ccbf65fe473
Sep 04 10:21:47.190 INFO kablam!                                at /checkout/src/libcore/result.rs:782
Sep 04 10:21:47.190 INFO kablam!   10:     0x5631600ead57 - build_script_build::main::h5344fd0dc05d728e
Sep 04 10:21:47.190 INFO kablam!                                at /source/build.rs:424
Sep 04 10:21:47.190 INFO kablam!   11:     0x5631600ed05f - std::rt::lang_start::{{closure}}::h27a0f638b8701c0d
Sep 04 10:21:47.190 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 04 10:21:47.190 INFO kablam!   12:     0x5631600ff612 - std::panicking::try::do_call::h2434b76b61552c7b
Sep 04 10:21:47.190 INFO kablam!                                at libstd/rt.rs:59
Sep 04 10:21:47.190 INFO kablam!                                at libstd/panicking.rs:310
Sep 04 10:21:47.190 INFO kablam!   13:     0x56316010c289 - __rust_maybe_catch_panic
Sep 04 10:21:47.190 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 04 10:21:47.190 INFO kablam!   14:     0x5631600f5975 - std::rt::lang_start_internal::h60780ef6735385b7
Sep 04 10:21:47.190 INFO kablam!                                at libstd/panicking.rs:289
Sep 04 10:21:47.190 INFO kablam!                                at libstd/panic.rs:392
Sep 04 10:21:47.190 INFO kablam!                                at libstd/rt.rs:58
Sep 04 10:21:47.190 INFO kablam!   15:     0x5631600ed037 - std::rt::lang_start::h293cc2a43a5dd2fd
Sep 04 10:21:47.190 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 04 10:21:47.190 INFO kablam!   16:     0x5631600eada9 - main
Sep 04 10:21:47.191 INFO kablam!   17:     0x7fa9f873d82f - __libc_start_main
Sep 04 10:21:47.191 INFO kablam!   18:     0x5631600e7cc8 - _start
Sep 04 10:21:47.191 INFO kablam!   19:                0x0 - <unknown>
Sep 04 10:21:47.191 INFO kablam! 
Sep 04 10:21:47.192 INFO kablam! su: No module specific data is present
Sep 04 10:21:47.551 INFO running `"docker" "rm" "-f" "f293939ba80f5a88956664320cb08c92988f312958ab6f053d77ef9e4ee7436f"`
Sep 04 10:21:47.641 INFO blam! f293939ba80f5a88956664320cb08c92988f312958ab6f053d77ef9e4ee7436f