[INFO] cloning repository https://github.com/devPav/File-system--work-with-exeptions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devPav/File-system--work-with-exeptions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevPav%2FFile-system--work-with-exeptions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevPav%2FFile-system--work-with-exeptions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e28c951409aa396e199e61cc94645b9ef7ed0c8
[INFO] testing devPav/File-system--work-with-exeptions against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevPav%2FFile-system--work-with-exeptions" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/devPav/File-system--work-with-exeptions
[INFO] finished tweaking git repo https://github.com/devPav/File-system--work-with-exeptions
[INFO] tweaked toml for git repo https://github.com/devPav/File-system--work-with-exeptions written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devPav/File-system--work-with-exeptions on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/devPav/File-system--work-with-exeptions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b37e29f0b71a0b29156b49ac683faf5f8be3d3f2f1413b981d6ef2ba24954f4
[INFO] running `Command { std: "docker" "start" "-a" "8b37e29f0b71a0b29156b49ac683faf5f8be3d3f2f1413b981d6ef2ba24954f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b37e29f0b71a0b29156b49ac683faf5f8be3d3f2f1413b981d6ef2ba24954f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b37e29f0b71a0b29156b49ac683faf5f8be3d3f2f1413b981d6ef2ba24954f4", kill_on_drop: false }`
[INFO] [stdout] 8b37e29f0b71a0b29156b49ac683faf5f8be3d3f2f1413b981d6ef2ba24954f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4ee125200bfed67232b781172b9a5106cd5bed87f75b692a84e46873920c58
[INFO] running `Command { std: "docker" "start" "-a" "2c4ee125200bfed67232b781172b9a5106cd5bed87f75b692a84e46873920c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling exaptions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let f = match f {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let f = File::open("hello.txt").unwrap_or_else(|error| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f = File::open("hello.txt").unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let f = File::open("hello.txt").expect("Custom panic message");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let result = provide_exeptions();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result2`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let result2 = provide_exeptions2();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result3`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let result3 = provide_exeptions3();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result4`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let result4 = provide_exeptions4();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `provide_exeptions5` is never used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn provide_exeptions5() -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2c4ee125200bfed67232b781172b9a5106cd5bed87f75b692a84e46873920c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4ee125200bfed67232b781172b9a5106cd5bed87f75b692a84e46873920c58", kill_on_drop: false }`
[INFO] [stdout] 2c4ee125200bfed67232b781172b9a5106cd5bed87f75b692a84e46873920c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8440b63a6ec88ce2349d185e4b3d5028c02c40ad013022c2a0760cb4b1cf5bab
[INFO] running `Command { std: "docker" "start" "-a" "8440b63a6ec88ce2349d185e4b3d5028c02c40ad013022c2a0760cb4b1cf5bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling exaptions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let f = match f {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let f = File::open("hello.txt").unwrap_or_else(|error| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f = File::open("hello.txt").unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let f = File::open("hello.txt").expect("Custom panic message");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let result = provide_exeptions();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result2`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let result2 = provide_exeptions2();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result3`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let result3 = provide_exeptions3();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result4`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let result4 = provide_exeptions4();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `provide_exeptions5` is never used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn provide_exeptions5() -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcyT5GvO/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcyT5GvO/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/exaptions-f154dc5abfb5cd18" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
[INFO] [stdout]            #0 0x00007c8123f38897 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/rustwide/rustup-home/toolchains/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/lib/libLLVM.so.20.1-rust-1.90.0-nightly+0x5738897)
[INFO] [stdout]            #1 0x00007c8123f38cb3 SignalHandler(int) (/opt/rustwide/rustup-home/toolchains/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/lib/libLLVM.so.20.1-rust-1.90.0-nightly+0x5738cb3)
[INFO] [stdout]            #2 0x00007c811e633330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
[INFO] [stdout]            #3 0x00007c811e776b0f (/lib/x86_64-linux-gnu/libc.so.6+0x188b0f)
[INFO] [stdout]            #4 0x00005d5cdafa4f44 lld::elf::StringTableSection::writeTo(unsigned char*) (/opt/rustwide/rustup-home/toolchains/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x4c3f44)
[INFO] [stdout]            #5 0x00005d5cdaf39a4a void lld::elf::OutputSection::writeTo<llvm::object::ELFType<(llvm::endianness)1, true>>(lld::elf::Ctx&, unsigned char*, llvm::parallel::TaskGroup&)::'lambda'(unsigned long, unsigned long)::operator()(unsigned long, unsigned long) const OutputSections.cpp:0:0
[INFO] [stdout]            #6 0x00007c8123ee84b2 std::_Function_handler<void (), llvm::parallel::TaskGroup::spawn(std::function<void ()>)::$_0>::_M_invoke(std::_Any_data const&) (/opt/rustwide/rustup-home/toolchains/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/lib/libLLVM.so.20.1-rust-1.90.0-nightly+0x56e84b2)
[INFO] [stdout]            #7 0x00007c8123ee7f1a llvm::parallel::detail::(anonymous namespace)::ThreadPoolExecutor::work(llvm::ThreadPoolStrategy, unsigned int) (/opt/rustwide/rustup-home/toolchains/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/lib/libLLVM.so.20.1-rust-1.90.0-nightly+0x56e7f1a)
[INFO] [stdout]            #8 0x00007c8123e62b50 execute_native_thread_routine (/opt/rustwide/rustup-home/toolchains/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/lib/libLLVM.so.20.1-rust-1.90.0-nightly+0x5662b50)
[INFO] [stdout]            #9 0x00007c811e68aaa4 (/lib/x86_64-linux-gnu/libc.so.6+0x9caa4)
[INFO] [stdout]           #10 0x00007c811e717a34 clone (/lib/x86_64-linux-gnu/libc.so.6+0x129a34)
[INFO] [stdout]           rust-lld: error: failed to write output '/opt/rustwide/target/debug/deps/exaptions-f154dc5abfb5cd18': No such file or directory
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exaptions` (bin "exaptions" test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8440b63a6ec88ce2349d185e4b3d5028c02c40ad013022c2a0760cb4b1cf5bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8440b63a6ec88ce2349d185e4b3d5028c02c40ad013022c2a0760cb4b1cf5bab", kill_on_drop: false }`
[INFO] [stdout] 8440b63a6ec88ce2349d185e4b3d5028c02c40ad013022c2a0760cb4b1cf5bab