[INFO] crate sit-core 0.4.1 is already in cache
[INFO] extracting crate sit-core 0.4.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/sit-core/0.4.1
[INFO] extracting crate sit-core 0.4.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/sit-core/0.4.1
[INFO] validating manifest of sit-core-0.4.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sit-core-0.4.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/sit-core/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sit-core-0.4.1 against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62efbe02b548caa86e03ebdcf546d48e77fb18c1f6ac7e1aa8996f905bcb86e9
[INFO] running `"docker" "start" "-a" "62efbe02b548caa86e03ebdcf546d48e77fb18c1f6ac7e1aa8996f905bcb86e9"`
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking dunce v0.1.1
[INFO] [stderr]     Checking relative-path v0.3.7
[INFO] [stderr]    Compiling typed-builder v0.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling include_dir v0.1.5
[INFO] [stderr]     Checking proptest v0.7.2
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling sit-core v0.4.1 (/opt/crater/workdir)
[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-722047466d33138b/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-f96a521c27374429/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-f96a521c27374429/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-f96a521c27374429/out/libduktape.a" "/opt/crater/target/debug/build/sit-core-f96a521c27374429/out/src/duktape/duktape.o" "/opt/crater/target/debug/build/sit-core-f96a521c27374429/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-f96a521c27374429/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5563fc9d5f6b - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5563fc9d5f6b - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5563fc9d5f6b - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5563fc9d5f6b - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5563fc9d5f6b - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5563fc9d5c46 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5563fc9d66dd - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5563fc9d6262 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5563fc9d6146 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5563fc9f1c6d - core::panicking::panic_fmt::he1729b262db7d0f1
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5563fc9f1d67 - core::result::unwrap_failed::h24d6964fca127bdf
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x5563fc96b92f - core::result::Result<T,E>::unwrap::h5adb0d047dcabfb2
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x5563fc8f22ba - build_script_build::main::h8a89593ea5c20605
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:44
[INFO] [stderr]   13:     0x5563fc8eda50 - std::rt::lang_start::{{closure}}::h21237a1b7ffa19f6
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5563fc9d60e3 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5563fc9d60e3 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5563fc9de92a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x5563fc9d6bed - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5563fc9d6bed - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x5563fc9d6bed - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5563fc8eda29 - std::rt::lang_start::h696f2ec07d93e230
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5563fc8f24da - main
[INFO] [stderr]   22:     0x7faf5c7f42e1 - __libc_start_main
[INFO] [stderr]   23:     0x5563fc8ea72a - _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" "62efbe02b548caa86e03ebdcf546d48e77fb18c1f6ac7e1aa8996f905bcb86e9"`
[INFO] running `"docker" "rm" "-f" "62efbe02b548caa86e03ebdcf546d48e77fb18c1f6ac7e1aa8996f905bcb86e9"`
[INFO] [stdout] 62efbe02b548caa86e03ebdcf546d48e77fb18c1f6ac7e1aa8996f905bcb86e9