[INFO] fetching crate hotspot 0.6.0...
[INFO] building hotspot-0.6.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate hotspot 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hotspot 0.6.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60671e03d44c74d52705b74bcb96e4d4261ed29ed845e07aec7ae3f91a5e4d4a
[INFO] running `Command { std: "docker" "start" "-a" "60671e03d44c74d52705b74bcb96e4d4261ed29ed845e07aec7ae3f91a5e4d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60671e03d44c74d52705b74bcb96e4d4261ed29ed845e07aec7ae3f91a5e4d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60671e03d44c74d52705b74bcb96e4d4261ed29ed845e07aec7ae3f91a5e4d4a", kill_on_drop: false }`
[INFO] [stdout] 60671e03d44c74d52705b74bcb96e4d4261ed29ed845e07aec7ae3f91a5e4d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f096cfa29b93f18d03115bcf001bb1a73672ba27b2018b210badeb988f437f4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f096cfa29b93f18d03115bcf001bb1a73672ba27b2018b210badeb988f437f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hotspot v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex 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-00df0f3135a17d83/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   make -C /opt/rustwide/workdir/build/source -j16 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]   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]   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]   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]   flp.c: In function 'flp_count_units':
[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]   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]   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]   temperature_grid.c: In function 'parse_layer_file':
[INFO] [stderr]   util.c: In function 'read_str_pairs':
[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]   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]   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]   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]   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]   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]   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]   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 shape.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: shape.o] Error 1
[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]   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]   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 RCutil.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: RCutil.o] Error 1
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create util.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: util.o] Error 1
[INFO] [stderr]   Assembler messages:
[INFO] [stderr]   Fatal error: can't create hotspot.o: Read-only file system
[INFO] [stderr]   make[1]: *** [Makefile:203: hotspot.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]   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]   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]   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-29103908e37f7f2f/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:     0x55bdb8165e50 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55bdb8165e50 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bdb8165e50 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55bdb8165e50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55bdb818323f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55bdb8164325 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55bdb8167afb - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55bdb8167afb - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55bdb8167afb - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55bdb81675dd - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55bdb81680ad - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55bdb8167c77 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55bdb816630c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55bdb8167c09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55bdb814d1a1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55bdb814d0ed - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55bdb814fc19 - build_script_build::main::hbdbbf16a0490981c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:24:5
[INFO] [stderr]     17:     0x55bdb815209b - core::ops::function::FnOnce::call_once::hcf58651a63dbc349
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x55bdb8151dfe - std::sys_common::backtrace::__rust_begin_short_backtrace::hc66486d5a5c3efc8
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x55bdb814f851 - std::rt::lang_start::{{closure}}::hb33e34fa00440f3a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:49:18
[INFO] [stderr]     20:     0x55bdb81684aa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x55bdb81684aa - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     22:     0x55bdb81684aa - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     23:     0x55bdb81684aa - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panic.rs:431:14
[INFO] [stderr]     24:     0x55bdb81684aa - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:34:21
[INFO] [stderr]     25:     0x55bdb814f830 - std::rt::lang_start::hdc61df66b3975c53
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:48:5
[INFO] [stderr]     26:     0x55bdb814ff0c - main
[INFO] [stderr]     27:     0x7efcf46de0b3 - __libc_start_main
[INFO] [stderr]     28:     0x55bdb814d89e - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f096cfa29b93f18d03115bcf001bb1a73672ba27b2018b210badeb988f437f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f096cfa29b93f18d03115bcf001bb1a73672ba27b2018b210badeb988f437f4d", kill_on_drop: false }`
[INFO] [stdout] f096cfa29b93f18d03115bcf001bb1a73672ba27b2018b210badeb988f437f4d
