[INFO] fetching crate hotspot 0.6.0...
[INFO] testing hotspot-0.6.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate hotspot 0.6.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate hotspot 0.6.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hotspot 0.6.0
[INFO] finished tweaking crates.io crate hotspot 0.6.0
[INFO] tweaked toml for crates.io crate hotspot 0.6.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert v0.7.4
[INFO] [stderr]   Downloaded matrix v0.21.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a0245847615bfe7eb9f6d4a79358e35aa3036bdf5e5ac2c93427093f83f653
[INFO] running `Command { std: "docker" "start" "-a" "b9a0245847615bfe7eb9f6d4a79358e35aa3036bdf5e5ac2c93427093f83f653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a0245847615bfe7eb9f6d4a79358e35aa3036bdf5e5ac2c93427093f83f653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a0245847615bfe7eb9f6d4a79358e35aa3036bdf5e5ac2c93427093f83f653", kill_on_drop: false }`
[INFO] [stdout] b9a0245847615bfe7eb9f6d4a79358e35aa3036bdf5e5ac2c93427093f83f653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e1d1de745e9f7ce090d260e42513fd5e9aad4a114fb62e295cce337c8075d6
[INFO] running `Command { std: "docker" "start" "-a" "17e1d1de745e9f7ce090d260e42513fd5e9aad4a114fb62e295cce337c8075d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling hotspot v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling matrix v0.21.12
[INFO] [stderr] error: failed to run custom build command for `hotspot v0.6.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hotspot-16364be17f579b39/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   make -C /opt/rustwide/workdir/build/source -j128 EXTRAFLAGS='-fPIC -O3'
[INFO] [stderr]   make[1]: Entering directory '/opt/rustwide/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]   gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c npe.c
[INFO] [stderr]   gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c shape.c
[INFO] [stderr]   gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c util.c
[INFO] [stderr]   gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c wire.c
[INFO] [stderr]   gcc -O3 -fPIC -O3   -DVERBOSE=1 -DMATHACCEL=0 -DDEBUG3D=0 -DSUPERLU=0 -g -c hotfloorplan.c
[INFO] [stderr]   make[1]: Leaving directory '/opt/rustwide/workdir/build/source'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   flp_desc.c: In function 'desc_count_units':
[INFO] [stderr]   flp_desc.c:51:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]      51 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp_desc.c: In function 'desc_populate_blks':
[INFO] [stderr]   flp_desc.c:103:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     103 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp_desc.c: In function 'desc_populate_connects':
[INFO] [stderr]   flp_desc.c:155:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     155 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   util.c: In function 'read_str_pairs':
[INFO] [stderr]   util.c:332:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     332 |   fgets(str, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   util.c: In function 'count_significant_lines':
[INFO] [stderr]   util.c:523:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     523 |   fgets(str, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_block.c: In function 'read_temp_block':
[INFO] [stderr]   temperature_block.c:631:4: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     631 |    fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |    ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_block.c:659:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     659 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_block.c:677:2: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     677 |  fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_block.c: In function 'read_power_block':
[INFO] [stderr]   temperature_block.c:744:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     744 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create wire.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: wire.o] Error 1
[INFO] [stderr]   make[1]: *** Waiting for unfinished jobs....
[INFO] [stderr]   hotspot.c: In function 'read_names':
[INFO] [stderr]   hotspot.c:167:7: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     167 |       fgets(line, LINE_SIZE, fp);
[INFO] [stderr]         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   hotspot.c: In function 'read_vals':
[INFO] [stderr]   hotspot.c:201:7: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     201 |       fgets(line, LINE_SIZE, fp);
[INFO] [stderr]         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_grid.c: In function 'parse_layer_file':
[INFO] [stderr]   temperature_grid.c:510:7: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]     510 |       fgets(line, LINE_SIZE, fp);
[INFO] [stderr]         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c: In function 'flp_count_units':
[INFO] [stderr]   temperature_grid.c: In function 'read_temp_grid':
[INFO] [stderr]   temperature_grid.c:1366:11: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1366 |           fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |           ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_grid.c:1398:7: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1398 |       fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_grid.c:1416:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1416 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c:1021:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1021 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c: In function 'flp_populate_blks':
[INFO] [stderr]   temperature_grid.c: In function 'read_power_grid':
[INFO] [stderr]   temperature_grid.c:1502:17: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1502 |                 fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c:1072:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1072 |   fgets(str, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_grid.c:1526:7: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1526 |       fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   temperature_grid.c:1535:11: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1535 |           fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |           ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c: In function 'flp_populate_connects':
[INFO] [stderr]   flp.c:1140:3: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
[INFO] [stderr]    1140 |   fgets(str1, LINE_SIZE, fp);
[INFO] [stderr]         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create hotfloorplan.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: hotfloorplan.o] Error 1
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create flp_desc.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: flp_desc.o] Error 1
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create npe.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: npe.o] Error 1
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create shape.o: Read-only file system
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create package.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: package.o] Error 1
[INFO] [stderr]   make[1]: *** [Makefile:203: shape.o] Error 1
[INFO] [stderr]   flp.c: In function 'flp_create_grid':
[INFO] [stderr]   flp.c:554:43: warning: '%d' directive writing between 1 and 10 bytes into a region of size between 0 and 511 [-Wformat-overflow=]
[INFO] [stderr]     554 |      sprintf(grid->units[count].name, "%s_%d", flp->units[i].name, grid_num);
[INFO] [stderr]         |                                           ^~
[INFO] [stderr]   flp.c:554:39: note: directive argument in the range [0, 2147483647]
[INFO] [stderr]     554 |      sprintf(grid->units[count].name, "%s_%d", flp->units[i].name, grid_num);
[INFO] [stderr]         |                                       ^~~~~~~
[INFO] [stderr]   In file included from /usr/include/stdio.h:867,
[INFO] [stderr]                    from flp.c:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 3 and 523 bytes into a destination of size 512
[INFO] [stderr]      36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
[INFO] [stderr]         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]      37 |       __bos (__s), __fmt, __va_arg_pack ());
[INFO] [stderr]         |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create hotspot.o: Read-only file system
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create RCutil.o: Read-only file system
[INFO] [stderr]   Fatal error: can't create util.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: hotspot.o] Error 1
[INFO] [stderr]   make[1]: *** [Makefile:203: RCutil.o] Error 1
[INFO] [stderr]   make[1]: *** [Makefile:203: util.o] Error 1
[INFO] [stderr]   temperature_grid.c: In function 'populate_layers_grid':
[INFO] [stderr]   temperature_grid.c:609:44: warning: '%s' directive writing up to 511 bytes into a region of size 493 [-Wformat-overflow=]
[INFO] [stderr]     609 |           sprintf(str, "error opening file %s\n", model->config.grid_layer_file);
[INFO] [stderr]         |                                            ^~
[INFO] [stderr]   In file included from /usr/include/stdio.h:867,
[INFO] [stderr]                    from temperature_grid.c:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 21 and 532 bytes into a destination of size 512
[INFO] [stderr]      36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
[INFO] [stderr]         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]      37 |       __bos (__s), __fmt, __va_arg_pack ());
[INFO] [stderr]         |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create temperature.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: temperature.o] Error 1
[INFO] [stderr]   flp.c: In function 'flp_wrap_rim':
[INFO] [stderr]   flp.c:728:38: warning: '%s' directive writing up to 511 bytes into a region of size 503 [-Wformat-overflow=]
[INFO] [stderr]     728 |    sprintf(flp->units[n+j].name, "%s_%s",
[INFO] [stderr]         |                                      ^~
[INFO] [stderr]   In file included from /usr/include/stdio.h:867,
[INFO] [stderr]                    from flp.c:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 10 and 521 bytes into a destination of size 512
[INFO] [stderr]      36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
[INFO] [stderr]         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]      37 |       __bos (__s), __fmt, __va_arg_pack ());
[INFO] [stderr]         |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c:742:38: warning: '%s' directive writing up to 511 bytes into a region of size 502 [-Wformat-overflow=]
[INFO] [stderr]     742 |    sprintf(flp->units[n+j].name, "%s_%s",
[INFO] [stderr]         |                                      ^~
[INFO] [stderr]   In file included from /usr/include/stdio.h:867,
[INFO] [stderr]                    from flp.c:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 11 and 522 bytes into a destination of size 512
[INFO] [stderr]      36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
[INFO] [stderr]         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]      37 |       __bos (__s), __fmt, __va_arg_pack ());
[INFO] [stderr]         |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c:758:38: warning: '%s' directive writing up to 511 bytes into a region of size 504 [-Wformat-overflow=]
[INFO] [stderr]     758 |    sprintf(flp->units[n+j].name, "%s_%s",
[INFO] [stderr]         |                                      ^~
[INFO] [stderr]   In file included from /usr/include/stdio.h:867,
[INFO] [stderr]                    from flp.c:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 9 and 520 bytes into a destination of size 512
[INFO] [stderr]      36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
[INFO] [stderr]         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]      37 |       __bos (__s), __fmt, __va_arg_pack ());
[INFO] [stderr]         |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   flp.c:772:38: warning: '%s' directive writing up to 511 bytes into a region of size 501 [-Wformat-overflow=]
[INFO] [stderr]     772 |    sprintf(flp->units[n+j].name, "%s_%s",
[INFO] [stderr]         |                                      ^~
[INFO] [stderr]   In file included from /usr/include/stdio.h:867,
[INFO] [stderr]                    from flp.c:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: '__builtin___sprintf_chk' output between 12 and 523 bytes into a destination of size 512
[INFO] [stderr]      36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
[INFO] [stderr]         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]      37 |       __bos (__s), __fmt, __va_arg_pack ());
[INFO] [stderr]         |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create temperature_block.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: 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]: *** [Makefile:203: 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]: *** [Makefile:203: temperature_grid.o] Error 1
[INFO] [stderr]   make: *** [Makefile:13: /opt/rustwide/target/debug/build/hotspot-87006cacfc6063ac/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:     0x56486a757c60 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56486a757c60 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56486a757c60 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56486a757c60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56486a77479c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x56486a756255 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x56486a7598fb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56486a7598fb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56486a7598fb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56486a7593d1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56486a759fc4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56486a759a77 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x56486a75815c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56486a759a09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x56486a73f201 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56486a73f14d - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x56486a741fa0 - build_script_build::main::h5d9499c25dc18591
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:24:5
[INFO] [stderr]     17:     0x56486a74384b - core::ops::function::FnOnce::call_once::h770b7a43e8970aaf
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x56486a74371e - std::sys_common::backtrace::__rust_begin_short_backtrace::h23d14e2672d5ed7f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x56486a741701 - std::rt::lang_start::{{closure}}::h8383637b9cd21e89
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     20:     0x56486a75a4c9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x56486a75a4c9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x56486a75a4c9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x56486a75a4c9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x56486a75a4c9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     25:     0x56486a7416e0 - std::rt::lang_start::hc8186934b750f9db
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     26:     0x56486a7420ec - main
[INFO] [stderr]     27:     0x7f2a23b480b3 - __libc_start_main
[INFO] [stderr]     28:     0x56486a73f95e - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "17e1d1de745e9f7ce090d260e42513fd5e9aad4a114fb62e295cce337c8075d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e1d1de745e9f7ce090d260e42513fd5e9aad4a114fb62e295cce337c8075d6", kill_on_drop: false }`
[INFO] [stdout] 17e1d1de745e9f7ce090d260e42513fd5e9aad4a114fb62e295cce337c8075d6
