[INFO] updating cached repository lukebitts/pipe-away
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lukebitts/pipe-away
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lukebitts/pipe-away" "work/ex/beta-1.38-1/sources/1.37.0/gh/lukebitts/pipe-away"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lukebitts/pipe-away'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lukebitts/pipe-away" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukebitts/pipe-away"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukebitts/pipe-away'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffc607ffa7674c3380ce61ffdd8c3c0c64f37dd2
[INFO] sha for GitHub repo lukebitts/pipe-away: ffc607ffa7674c3380ce61ffdd8c3c0c64f37dd2
[INFO] validating manifest of lukebitts/pipe-away on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lukebitts/pipe-away on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lukebitts/pipe-away
[INFO] removed path dependency amethyst from lukebitts/pipe-away
[INFO] finished frobbing lukebitts/pipe-away
[INFO] frobbed toml for lukebitts/pipe-away written to work/ex/beta-1.38-1/sources/1.37.0/gh/lukebitts/pipe-away/Cargo.toml
[INFO] started frobbing lukebitts/pipe-away
[INFO] removed path dependency amethyst from lukebitts/pipe-away
[INFO] finished frobbing lukebitts/pipe-away
[INFO] frobbed toml for lukebitts/pipe-away written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukebitts/pipe-away/Cargo.toml
[INFO] crate lukebitts/pipe-away already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lukebitts/pipe-away/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glsl-layout v0.3.2
[INFO] [stderr]   Downloaded glsl-layout-derive v0.3.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lukebitts/pipe-away against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lukebitts/pipe-away:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 902f731d8f0993e0eb7efcfc33d447bfb3efc440abbad2eca5ca14ab38c5b0fe
[INFO] running `"docker" "start" "-a" "902f731d8f0993e0eb7efcfc33d447bfb3efc440abbad2eca5ca14ab38c5b0fe"`
[INFO] [stderr] warning: dependency (amethyst) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling mint v0.5.1
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling fluent-locale v0.4.1
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling fluent-syntax v0.9.0
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling xi-unicode v0.2.0
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.15.5
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling intl_pluralrules v1.0.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling noisy_float v0.1.11
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[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-842c141438d5f75c/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:     0x55ceb8953beb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ceb8953beb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ceb8953beb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ceb8953beb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ceb8953beb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55ceb89538c7 - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55ceb89542b0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55ceb8953e32 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55ceb8953d16 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55ceb896d14d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55ceb8922d33 - core::result::unwrap_failed::h1295529086e1a33c
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55ceb8923498 - core::result::Result<T,E>::unwrap::hf5d7bee6c6df7a23
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55ceb8920b3b - build_script_build::main::hcc379f5ec0cc97d5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   13:     0x55ceb8922300 - std::rt::lang_start::{{closure}}::he67a89c11b3b7de2
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55ceb8953d03 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55ceb8953d03 - std::panicking::try::do_call::h4a61cb372364c745
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55ceb895a0ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x55ceb89547bd - std::panicking::try::hdf71f938885bca42
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55ceb89547bd - std::panic::catch_unwind::h7e85dbf162b1611a
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55ceb89547bd - std::rt::lang_start_internal::h1e06cc26b9fc25ea
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55ceb89222d9 - std::rt::lang_start::h4c7989e26c5dd3b7
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55ceb8921b3a - main
[INFO] [stderr]   22:     0x7f56e343b2e1 - __libc_start_main
[INFO] [stderr]   23:     0x55ceb89204ba - _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" "902f731d8f0993e0eb7efcfc33d447bfb3efc440abbad2eca5ca14ab38c5b0fe"`
[INFO] running `"docker" "rm" "-f" "902f731d8f0993e0eb7efcfc33d447bfb3efc440abbad2eca5ca14ab38c5b0fe"`
[INFO] [stdout] 902f731d8f0993e0eb7efcfc33d447bfb3efc440abbad2eca5ca14ab38c5b0fe