[INFO] fetching crate hotspot 0.6.0...
[INFO] extracting crate hotspot 0.6.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/hotspot/0.6.0
[INFO] extracting crate hotspot 0.6.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/hotspot/0.6.0
[INFO] validating manifest of hotspot-0.6.0 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 hotspot-0.6.0 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 hotspot-0.6.0
[INFO] finished frobbing hotspot-0.6.0
[INFO] frobbed toml for hotspot-0.6.0 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/hotspot/0.6.0/Cargo.toml
[INFO] started frobbing hotspot-0.6.0
[INFO] finished frobbing hotspot-0.6.0
[INFO] frobbed toml for hotspot-0.6.0 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/hotspot/0.6.0/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] 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking hotspot-0.6.0 against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/hotspot/0.6.0:/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bdff2dd0ee394f70010d735379285742a1f82ed6e7e572f714cb627a781dd6ec
[INFO] running `"docker" "start" "-a" "bdff2dd0ee394f70010d735379285742a1f82ed6e7e572f714cb627a781dd6ec"`
[INFO] [stderr]    Compiling hotspot v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking matrix v0.21.12
[INFO] [stderr] error: failed to run custom build command for `hotspot v0.6.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/hotspot-4474174abb0bc3d2/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] make -C /opt/crater/workdir/build/source -j8 EXTRAFLAGS='-fPIC -O3'
[INFO] [stderr] make[1]: Entering directory '/opt/crater/workdir/build/source'
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c hotspot.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c temperature.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c RCutil.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c package.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c temperature_block.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c temperature_grid.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c flp.c
[INFO] [stderr] gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c flp_desc.c
[INFO] [stderr] Makefile:203: recipe for target 'flp_desc.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'package.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'RCutil.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'hotspot.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'temperature.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'temperature_block.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'flp.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'temperature_grid.o' failed
[INFO] [stderr] make[1]: Leaving directory '/opt/crater/workdir/build/source'
[INFO] [stderr] Makefile:13: recipe for target '/opt/crater/target/debug/build/hotspot-c4ddd0d38a3c5c64/out/libhotspot.a' failed
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create flp_desc.o: Read-only file system
[INFO] [stderr] make[1]: *** [flp_desc.o] Error 1
[INFO] [stderr] make[1]: *** Waiting for unfinished jobs....
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create package.o: Read-only file system
[INFO] [stderr] make[1]: *** [package.o] Error 1
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create RCutil.o: Read-only file system
[INFO] [stderr] make[1]: *** [RCutil.o] Error 1
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create hotspot.o: Read-only file system
[INFO] [stderr] make[1]: *** [hotspot.o] Error 1
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create temperature.o: Read-only file system
[INFO] [stderr] make[1]: *** [temperature.o] Error 1
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create temperature_block.o: Read-only file system
[INFO] [stderr] make[1]: *** [temperature_block.o] Error 1
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create flp.o: Read-only file system
[INFO] [stderr] make[1]: *** [flp.o] Error 1
[INFO] [stderr] Assembler messages:
[INFO] [stderr] Fatal error: can't create temperature_grid.o: Read-only file system
[INFO] [stderr] make[1]: *** [temperature_grid.o] Error 1
[INFO] [stderr] make: *** [/opt/crater/target/debug/build/hotspot-c4ddd0d38a3c5c64/out/libhotspot.a] Error 2
[INFO] [stderr] thread 'main' panicked at 'assertion failed: cmd!("make").current_dir(&build).stdout(process::Stdio::inherit()).stderr(process::Stdio::inherit()).status().unwrap().success()', build.rs:24:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b95f1c0ceb - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55b95f1c0ceb - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b95f1c0ceb - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55b95f1c0ceb - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55b95f1c0ceb - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55b95f1c09ec - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55b95f1c13b0 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55b95f1b4c04 - std::panicking::begin_panic::h850080d11471a059
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55b95f1afcc9 - build_script_build::main::h6ce6a5132ce3fe20
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:24
[INFO] [stderr]    9:     0x55b95f1b0310 - std::rt::lang_start::{{closure}}::h81da0bbac5ea7959
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x55b95f1c0e03 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x55b95f1c0e03 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   12:     0x55b95f1c70aa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   13:     0x55b95f1c18bd - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   14:     0x55b95f1c18bd - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x55b95f1c18bd - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55b95f1b02e9 - std::rt::lang_start::h1923dbd1fabaf22a
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55b95f1aff5a - main
[INFO] [stderr]   18:     0x7fe98f66b2e1 - __libc_start_main
[INFO] [stderr]   19:     0x55b95f1acbda - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bdff2dd0ee394f70010d735379285742a1f82ed6e7e572f714cb627a781dd6ec"`
[INFO] running `"docker" "rm" "-f" "bdff2dd0ee394f70010d735379285742a1f82ed6e7e572f714cb627a781dd6ec"`
[INFO] [stdout] bdff2dd0ee394f70010d735379285742a1f82ed6e7e572f714cb627a781dd6ec