[INFO] updating cached repository piedoom/mstry
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/piedoom/mstry
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/piedoom/mstry" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/piedoom/mstry"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/piedoom/mstry'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/piedoom/mstry" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/piedoom/mstry"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/piedoom/mstry'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa8072ddf49199067dad569c8152ab7de4cf7abf
[INFO] sha for GitHub repo piedoom/mstry: fa8072ddf49199067dad569c8152ab7de4cf7abf
[INFO] validating manifest of piedoom/mstry on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of piedoom/mstry on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing piedoom/mstry
[INFO] finished frobbing piedoom/mstry
[INFO] frobbed toml for piedoom/mstry written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/piedoom/mstry/Cargo.toml
[INFO] started frobbing piedoom/mstry
[INFO] finished frobbing piedoom/mstry
[INFO] frobbed toml for piedoom/mstry written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/piedoom/mstry/Cargo.toml
[INFO] crate piedoom/mstry already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking piedoom/mstry against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/piedoom/mstry:/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 581739e7e805da3cd3336472c1e2e73475c0bebd75a3396926c8261e3926f19a
[INFO] running `"docker" "start" "-a" "581739e7e805da3cd3336472c1e2e73475c0bebd75a3396926c8261e3926f19a"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-26bf406c6e3f1ac3/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55680d64fedb - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55680d64fedb - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55680d64fedb - std::sys_common::backtrace::_print::hc504093b15dd6a49
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55680d64fedb - std::sys_common::backtrace::print::h74592d8df46164e6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55680d64fedb - std::panicking::default_hook::{{closure}}::h148953d9747d04f4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55680d64fbb6 - std::panicking::default_hook::h72a253311e200c7c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55680d65059d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55680d650122 - std::panicking::continue_panic_fmt::hb865580971245aec
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55680d650006 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55680d6695ad - core::panicking::panic_fmt::h88ab02319bb01bbf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55680d6696a7 - core::result::unwrap_failed::hcd16c30e39593715
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55680d620d60 - core::result::Result<T,E>::unwrap::h145f0408920fb5be
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55680d61d5db - build_script_build::main::h5f5679bcf1de4e3d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   13:     0x55680d61ed70 - std::rt::lang_start::{{closure}}::hae11e7de298e4c61
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55680d64fff3 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55680d64fff3 - std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55680d6565da - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x55680d650aad - std::panicking::try::h0463127fe79abe73
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55680d650aad - std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55680d650aad - std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55680d61ed49 - std::rt::lang_start::hfa32e927ebe4cebf
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55680d61e5ba - main
[INFO] [stderr]   22:     0x7f281797e2e1 - __libc_start_main
[INFO] [stderr]   23:     0x55680d61cf8a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "581739e7e805da3cd3336472c1e2e73475c0bebd75a3396926c8261e3926f19a"`
[INFO] running `"docker" "rm" "-f" "581739e7e805da3cd3336472c1e2e73475c0bebd75a3396926c8261e3926f19a"`
[INFO] [stdout] 581739e7e805da3cd3336472c1e2e73475c0bebd75a3396926c8261e3926f19a