[INFO] updating cached repository lovesegfault/rust-ml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lovesegfault/rust-ml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lovesegfault/rust-ml" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/lovesegfault/rust-ml"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/lovesegfault/rust-ml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lovesegfault/rust-ml" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/lovesegfault/rust-ml"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/lovesegfault/rust-ml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60af462287a0a94e233419f16be1dedf8b3ff2b1
[INFO] sha for GitHub repo lovesegfault/rust-ml: 60af462287a0a94e233419f16be1dedf8b3ff2b1
[INFO] validating manifest of lovesegfault/rust-ml on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lovesegfault/rust-ml on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lovesegfault/rust-ml
[INFO] finished frobbing lovesegfault/rust-ml
[INFO] frobbed toml for lovesegfault/rust-ml written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/lovesegfault/rust-ml/Cargo.toml
[INFO] started frobbing lovesegfault/rust-ml
[INFO] finished frobbing lovesegfault/rust-ml
[INFO] frobbed toml for lovesegfault/rust-ml written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/lovesegfault/rust-ml/Cargo.toml
[INFO] crate lovesegfault/rust-ml already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking lovesegfault/rust-ml against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/lovesegfault/rust-ml:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb90c640c016a0ebba56388e626b0ba7a90677c0a03780c1068bec38ff33f38d
[INFO] running `"docker" "start" "-a" "fb90c640c016a0ebba56388e626b0ba7a90677c0a03780c1068bec38ff33f38d"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]    Compiling tar v0.4.22
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking aligned_alloc v0.1.3
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]    Compiling curl v0.4.20
[INFO] [stderr]    Compiling tensorflow-sys v0.16.0
[INFO] [stderr]     Checking imageproc v0.18.0
[INFO] [stderr] error: failed to run custom build command for `tensorflow-sys v0.16.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/tensorflow-sys-a474c63f0bf83087/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] libtensorflow-sys/build.rs:109: binary_url = "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.13.1.tar.gz"
[INFO] [stderr] libtensorflow-sys/build.rs:113: base_name = "libtensorflow-cpu-linux-x86_64-1.13.1"
[INFO] [stderr] 
[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:     0x55b5caa1630b - backtrace::backtrace::libunwind::trace::h2577eef7cb82271e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55b5caa1630b - backtrace::backtrace::trace_unsynchronized::ha9b72a77aa6c4ce9
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b5caa1630b - std::sys_common::backtrace::_print::h8e2c1c5cda6e4e6e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55b5caa1630b - std::sys_common::backtrace::print::h7e0f8aad0d8a6f3b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55b5caa1630b - std::panicking::default_hook::{{closure}}::haae4327ede06a559
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55b5caa15fe6 - std::panicking::default_hook::hbf5f36093f15fccc
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55b5caa16a7d - std::panicking::rust_panic_with_hook::hf385e0a05e771036
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55b5caa16602 - std::panicking::continue_panic_fmt::h95ba204f85050b4c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55b5caa164e6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55b5caa31ebd - core::panicking::panic_fmt::h581f7a1e5499d350
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55b5caa31fb7 - core::result::unwrap_failed::h863b7818e32f0320
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55b5ca9abbf9 - core::result::Result<T,E>::unwrap::h690c832a401ce14e
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55b5ca9abbf9 - build_script_build::install_prebuilt::h87a4762e2e75d786
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.16.0/build.rs:119
[INFO] [stderr]   13:     0x55b5ca9abbf9 - build_script_build::main::h993e850d9e82b9ea
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.16.0/build.rs:57
[INFO] [stderr]   14:     0x55b5ca9b0b63 - std::rt::lang_start::{{closure}}::hd917299ede0e682d
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55b5caa16483 - std::rt::lang_start_internal::{{closure}}::heabbf1748dc855a1
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55b5caa16483 - std::panicking::try::do_call::hf890723f0a5de9f8
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55b5caa1e7ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   18:     0x55b5caa1704d - std::panicking::try::hf36ba5410913b146
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55b5caa1704d - std::panic::catch_unwind::hdfbba43a8f6b3f51
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55b5caa1704d - std::rt::lang_start_internal::h85d3c6f2844a1656
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55b5ca9af198 - main
[INFO] [stderr]   22:     0x7f83496b22e1 - __libc_start_main
[INFO] [stderr]   23:     0x55b5ca9a7dda - _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" "fb90c640c016a0ebba56388e626b0ba7a90677c0a03780c1068bec38ff33f38d"`
[INFO] running `"docker" "rm" "-f" "fb90c640c016a0ebba56388e626b0ba7a90677c0a03780c1068bec38ff33f38d"`
[INFO] [stdout] fb90c640c016a0ebba56388e626b0ba7a90677c0a03780c1068bec38ff33f38d