Aug 30 10:35:21.958 INFO checking mutagen-0.1.1 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 10:35:21.958 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 10:35:21.958 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 10:35:22.144 INFO blam! 87a4b02f04092101d5a9587022d06c7344d2a551d9687006e6d39afd836cfa52
Aug 30 10:35:22.146 INFO running `"docker" "start" "-a" "87a4b02f04092101d5a9587022d06c7344d2a551d9687006e6d39afd836cfa52"`
Aug 30 10:35:22.895 INFO kablam!    Compiling mutagen v0.1.1 (file:///source)
Aug 30 10:35:23.888 INFO kablam! error: failed to run custom build command for `mutagen v0.1.1 (file:///source)`
Aug 30 10:35:23.888 INFO kablam! process didn't exit successfully: `/target/debug/build/mutagen-819e7797187f4525/build-script-build` (exit code: 101)
Aug 30 10:35:23.888 INFO kablam! --- stderr
Aug 30 10:35:23.888 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
Aug 30 10:35:23.888 INFO kablam! stack backtrace:
Aug 30 10:35:23.888 INFO kablam!    0:     0x5633501c145e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8f71f310d118facb
Aug 30 10:35:23.888 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 30 10:35:23.888 INFO kablam!    1:     0x5633501c9c26 - std::sys_common::backtrace::print::hfdcfd1f104fe4840
Aug 30 10:35:23.888 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 30 10:35:23.888 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 30 10:35:23.888 INFO kablam!    2:     0x5633501c859d - std::panicking::default_hook::{{closure}}::heac6c2569094f14c
Aug 30 10:35:23.888 INFO kablam!                                at libstd/panicking.rs:211
Aug 30 10:35:23.888 INFO kablam!    3:     0x5633501c8310 - std::panicking::default_hook::h172730ec656eb3f4
Aug 30 10:35:23.889 INFO kablam!                                at libstd/panicking.rs:227
Aug 30 10:35:23.889 INFO kablam!    4:     0x5633501c8b5c - std::panicking::rust_panic_with_hook::h4baee0ff6b4c8d5f
Aug 30 10:35:23.889 INFO kablam!                                at libstd/panicking.rs:477
Aug 30 10:35:23.889 INFO kablam!    5:     0x5633501c8759 - std::panicking::continue_panic_fmt::he85e6162abe63ff8
Aug 30 10:35:23.889 INFO kablam!                                at libstd/panicking.rs:391
Aug 30 10:35:23.889 INFO kablam!    6:     0x5633501c8655 - rust_begin_unwind
Aug 30 10:35:23.889 INFO kablam!                                at libstd/panicking.rs:326
Aug 30 10:35:23.889 INFO kablam!    7:     0x563350203f0b - core::panicking::panic_fmt::h15874dc89aa467a9
Aug 30 10:35:23.889 INFO kablam!                                at libcore/panicking.rs:77
Aug 30 10:35:23.889 INFO kablam!    8:     0x5633501b9dc5 - core::result::unwrap_failed::hfad40ec61e9d0be0
Aug 30 10:35:23.889 INFO kablam!                                at /checkout/src/libcore/macros.rs:26
Aug 30 10:35:23.889 INFO kablam!    9:     0x5633501b9511 - <core::result::Result<T, E>>::unwrap::h801a00c8cef8bb89
Aug 30 10:35:23.889 INFO kablam!                                at /checkout/src/libcore/result.rs:782
Aug 30 10:35:23.889 INFO kablam!   10:     0x5633501b3d37 - build_script_build::main::h49eb11e0b7c7a1b3
Aug 30 10:35:23.889 INFO kablam!                                at /source/build.rs:424
Aug 30 10:35:23.889 INFO kablam!   11:     0x5633501b603f - std::rt::lang_start::{{closure}}::h2bc51ad08e6e8569
Aug 30 10:35:23.889 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 30 10:35:23.889 INFO kablam!   12:     0x5633501c8642 - std::panicking::try::do_call::h09d1819b0274af73
Aug 30 10:35:23.889 INFO kablam!                                at libstd/rt.rs:59
Aug 30 10:35:23.889 INFO kablam!                                at libstd/panicking.rs:310
Aug 30 10:35:23.889 INFO kablam!   13:     0x5633501d52a9 - __rust_maybe_catch_panic
Aug 30 10:35:23.889 INFO kablam!                                at libpanic_unwind/lib.rs:102
Aug 30 10:35:23.889 INFO kablam!   14:     0x5633501bea15 - std::rt::lang_start_internal::hf36d29744825ff5e
Aug 30 10:35:23.889 INFO kablam!                                at libstd/panicking.rs:289
Aug 30 10:35:23.890 INFO kablam!                                at libstd/panic.rs:392
Aug 30 10:35:23.890 INFO kablam!                                at libstd/rt.rs:58
Aug 30 10:35:23.890 INFO kablam!   15:     0x5633501b6017 - std::rt::lang_start::hdbc08df34a09a21f
Aug 30 10:35:23.890 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 30 10:35:23.890 INFO kablam!   16:     0x5633501b3d89 - main
Aug 30 10:35:23.890 INFO kablam!   17:     0x7f5e4d0f682f - __libc_start_main
Aug 30 10:35:23.890 INFO kablam!   18:     0x5633501b0c98 - _start
Aug 30 10:35:23.890 INFO kablam!   19:                0x0 - <unknown>
Aug 30 10:35:23.890 INFO kablam! 
Aug 30 10:35:23.890 INFO kablam! su: No module specific data is present
Aug 30 10:35:24.261 INFO running `"docker" "rm" "-f" "87a4b02f04092101d5a9587022d06c7344d2a551d9687006e6d39afd836cfa52"`
Aug 30 10:35:24.354 INFO blam! 87a4b02f04092101d5a9587022d06c7344d2a551d9687006e6d39afd836cfa52