[INFO] fetching crate sit-core 0.4.1...
[INFO] extracting crate sit-core 0.4.1 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/sit-core/0.4.1
[INFO] extracting crate sit-core 0.4.1 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/sit-core/0.4.1
[INFO] validating manifest of sit-core-0.4.1 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sit-core-0.4.1 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sit-core-0.4.1
[INFO] finished frobbing sit-core-0.4.1
[INFO] frobbed toml for sit-core-0.4.1 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/sit-core/0.4.1/Cargo.toml
[INFO] started frobbing sit-core-0.4.1
[INFO] finished frobbing sit-core-0.4.1
[INFO] frobbed toml for sit-core-0.4.1 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/sit-core/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sit-core-0.4.1 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/sit-core/0.4.1:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79e12186c40f1157d206fa3171dea8000e9165f5cfe9cd80f06fc2eaacc447d0
[INFO] running `"docker" "start" "-a" "79e12186c40f1157d206fa3171dea8000e9165f5cfe9cd80f06fc2eaacc447d0"`
[INFO] [stderr]     Checking relative-path v0.3.7
[INFO] [stderr]     Checking dunce v0.1.1
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling typed-builder v0.1.1
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]    Compiling include_dir v0.1.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking proptest v0.7.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling sit-core v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr] error: failed to run custom build command for `sit-core v0.4.1 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/sit-core-564c7066363ae078/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some("fxsr,mmx,sse,sse2")
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/sit-core-4ccc772edb13c6c8/out/src/duktape/duktape.o" "-c" "src/duktape/duktape.c"
[INFO] [stderr] exit code: 0
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/sit-core-4ccc772edb13c6c8/out/src/duktape/duk_module_duktape.o" "-c" "src/duktape/duk_module_duktape.c"
[INFO] [stderr] exit code: 0
[INFO] [stderr] AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr] AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_AR = None
[INFO] [stderr] AR = None
[INFO] [stderr] running: "ar" "crs" "/opt/crater/target/debug/build/sit-core-4ccc772edb13c6c8/out/libduktape.a" "/opt/crater/target/debug/build/sit-core-4ccc772edb13c6c8/out/src/duktape/duktape.o" "/opt/crater/target/debug/build/sit-core-4ccc772edb13c6c8/out/src/duktape/duk_module_duktape.o"
[INFO] [stderr] exit code: 0
[INFO] [stderr] cargo:rustc-link-lib=static=duktape
[INFO] [stderr] cargo:rustc-link-search=native=/opt/crater/target/debug/build/sit-core-4ccc772edb13c6c8/out
[INFO] [stderr] cargo:rustc-link-lib=static=duktape
[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:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563a6709f45b - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x563a6709f45b - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x563a6709f45b - std::sys_common::backtrace::_print::h878d975ca669e1b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x563a6709f45b - std::sys_common::backtrace::print::h1b2f6b4885b021f3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x563a6709f45b - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x563a6709f15c - std::panicking::default_hook::h9b73316e8577c3fa
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x563a6709fbd0 - std::panicking::rust_panic_with_hook::he062866264d328c5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x563a6709f752 - std::panicking::continue_panic_fmt::hd91e15ffe4fde332
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x563a6709f636 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x563a670bb7fd - core::panicking::panic_fmt::h684eb94a03e3ec1d
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x563a6704d2e8 - core::result::unwrap_failed::h3ffd1e4516a51ea4
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x563a6705064d - core::result::Result<T,E>::unwrap::hcaea6b1d08a6f268
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x563a66fb6272 - build_script_build::main::h4314b90b11345150
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:44
[INFO] [stderr]   13:     0x563a66fb1560 - std::rt::lang_start::{{closure}}::h124adbea4883cc15
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x563a6709f5d3 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x563a6709f5d3 - std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x563a670a836a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x563a670a00dd - std::panicking::try::h5986cc11523af350
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x563a670a00dd - std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x563a670a00dd - std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x563a66fb1539 - std::rt::lang_start::h7d31f03bffd87ddb
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x563a66fb649a - main
[INFO] [stderr]   22:     0x7f9411b9a2e1 - __libc_start_main
[INFO] [stderr]   23:     0x563a66fadf7a - _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" "79e12186c40f1157d206fa3171dea8000e9165f5cfe9cd80f06fc2eaacc447d0"`
[INFO] running `"docker" "rm" "-f" "79e12186c40f1157d206fa3171dea8000e9165f5cfe9cd80f06fc2eaacc447d0"`
[INFO] [stdout] 79e12186c40f1157d206fa3171dea8000e9165f5cfe9cd80f06fc2eaacc447d0