[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 try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 72c6fdc9c2abb497506548d15dacbc5cd5845fd8d23f3f3186964b4598181bdc
[INFO] running `"docker" "start" "-a" "72c6fdc9c2abb497506548d15dacbc5cd5845fd8d23f3f3186964b4598181bdc"`
[INFO] [stderr]    Compiling hotspot v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking assert v0.7.4
[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-967a78900c079289/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 'flp.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'temperature_block.o' failed
[INFO] [stderr] Makefile:203: recipe for target 'temperature.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-3bfed37c0859fbd5/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 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_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 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_grid.o: Read-only file system
[INFO] [stderr] make[1]: *** [temperature_grid.o] Error 1
[INFO] [stderr] make: *** [/opt/crater/target/debug/build/hotspot-3bfed37c0859fbd5/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:     0x5623870f0ceb - 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:     0x5623870f0ceb - 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:     0x5623870f0ceb - std::sys_common::backtrace::_print::h878d975ca669e1b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5623870f0ceb - std::sys_common::backtrace::print::h1b2f6b4885b021f3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5623870f0ceb - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5623870f09ec - std::panicking::default_hook::h9b73316e8577c3fa
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5623870f13b0 - std::panicking::rust_panic_with_hook::he062866264d328c5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5623870e4c74 - std::panicking::begin_panic::h2d19813ef20d26bf
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x5623870dfcc9 - build_script_build::main::h079757e0caae8062
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:24
[INFO] [stderr]    9:     0x5623870e0310 - std::rt::lang_start::{{closure}}::h811ace131b12770a
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x5623870f0e03 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x5623870f0e03 - std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   12:     0x5623870f70aa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   13:     0x5623870f18bd - std::panicking::try::h5986cc11523af350
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   14:     0x5623870f18bd - std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x5623870f18bd - std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x5623870e02e9 - std::rt::lang_start::h03c40ef56592c2b1
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x5623870dff5a - main
[INFO] [stderr]   18:     0x7fae767722e1 - __libc_start_main
[INFO] [stderr]   19:     0x5623870dcbda - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "72c6fdc9c2abb497506548d15dacbc5cd5845fd8d23f3f3186964b4598181bdc"`
[INFO] running `"docker" "rm" "-f" "72c6fdc9c2abb497506548d15dacbc5cd5845fd8d23f3f3186964b4598181bdc"`
[INFO] [stdout] 72c6fdc9c2abb497506548d15dacbc5cd5845fd8d23f3f3186964b4598181bdc