[INFO] cloning repository https://github.com/simlal/dsa_practice_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simlal/dsa_practice_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimlal%2Fdsa_practice_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimlal%2Fdsa_practice_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 609796dbb8df6a579be23701ea7869c296310413
[INFO] testing simlal/dsa_practice_rust against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimlal%2Fdsa_practice_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simlal/dsa_practice_rust on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simlal/dsa_practice_rust
[INFO] finished tweaking git repo https://github.com/simlal/dsa_practice_rust
[INFO] tweaked toml for git repo https://github.com/simlal/dsa_practice_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simlal/dsa_practice_rust 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b46e95ad79c24d65811dfbd38313240abdba81dd2d3638145f8c6e69974382c
[INFO] running `Command { std: "docker" "start" "-a" "2b46e95ad79c24d65811dfbd38313240abdba81dd2d3638145f8c6e69974382c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b46e95ad79c24d65811dfbd38313240abdba81dd2d3638145f8c6e69974382c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b46e95ad79c24d65811dfbd38313240abdba81dd2d3638145f8c6e69974382c", kill_on_drop: false }`
[INFO] [stdout] 2b46e95ad79c24d65811dfbd38313240abdba81dd2d3638145f8c6e69974382c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91b127ed823b93283dd49c5c6444678b4e818e607c05d3dedb5827151b5d3a1d
[INFO] running `Command { std: "docker" "start" "-a" "91b127ed823b93283dd49c5c6444678b4e818e607c05d3dedb5827151b5d3a1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsa_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/get_concatenation.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut ans = Solution::get_concatenation(my_vec);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "91b127ed823b93283dd49c5c6444678b4e818e607c05d3dedb5827151b5d3a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b127ed823b93283dd49c5c6444678b4e818e607c05d3dedb5827151b5d3a1d", kill_on_drop: false }`
[INFO] [stdout] 91b127ed823b93283dd49c5c6444678b4e818e607c05d3dedb5827151b5d3a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81c304351ba61dec06fba58f27413e75c2c6e3fa16f33c48f00db6b883272d65
[INFO] running `Command { std: "docker" "start" "-a" "81c304351ba61dec06fba58f27413e75c2c6e3fa16f33c48f00db6b883272d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsa_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/get_concatenation.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut ans = Solution::get_concatenation(my_vec);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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/rustcdBX4UQ/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-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcdBX4UQ/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/dsa_rust-2962e7aed2680af6" "-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]           Stack dump:
[INFO] [stdout]           0.    Program arguments: /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld -flavor gnu -plugin /usr/libexec/gcc/x86_64-linux-gnu/13/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-linux-gnu/13/lto-wrapper -plugin-opt=-fresolution=/tmp/cccLygsM.res --build-id --eh-frame-hdr -m elf_x86_64 --hash-style=gnu --as-needed -dynamic-linker /lib64/ld-linux-x86-64.so.2 -pie -z now -z relro -o /opt/rustwide/target/debug/deps/dsa_rust-2962e7aed2680af6 /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/13/crtbeginS.o -L/tmp/rustcdBX4UQ/raw-dylibs -L/opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib -L/opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld -L/usr/lib/gcc/x86_64-linux-gnu/13 -L/usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/13/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/13/../../.. /tmp/rustcdBX4UQ/symbols.o /opt/rustwide/target/debug/deps/dsa_rust-2962e7aed2680af6.dsa_rust.a4b7a3700da4df1c-cgu.0.rcgu.o /opt/rustwide/target/debug/deps/dsa_rust-2962e7aed2680af6.7r6q64nrc2nz8kaxhqgps5qg4.rcgu.o --as-needed -Bstatic /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6210a622387cb92f.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-1f04f2d52f1ebf3f.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-831b32e0d2504bfa.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-e789858062fda502.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-088d12cbf3e66756.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-efa18e20439f5c5f.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-81236848138accc2.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-438bbc1b65a9ea91.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-03f1ca214d5654c5.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-6eb3522c9f3e493f.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-28fe590d62726d34.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-bb03a41aed59c3f0.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-077b062d48affb46.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fc1e4d777ecb8819.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-0df6e1c399ee25b3.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler2-fb0bec226a33c172.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-c1b9852f5964bee6.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4b52ec42b7ee96f9.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a92e691a289a3ea1.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-143b861055c3ff89.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e1a0f7b271a3ab38.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-a295b978c7e899d2.rlib /opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7fb0e360a334626d.rlib -Bdynamic -lgcc_s -lutil -lrt -lpthread -lm -ldl -lc -znostart-stop-gc --eh-frame-hdr -z noexecstack --gc-sections -z relro -z now /usr/lib/gcc/x86_64-linux-gnu/13/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/crtn.o
[INFO] [stdout]           LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dsa_rust` (bin "dsa_rust" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "81c304351ba61dec06fba58f27413e75c2c6e3fa16f33c48f00db6b883272d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c304351ba61dec06fba58f27413e75c2c6e3fa16f33c48f00db6b883272d65", kill_on_drop: false }`
[INFO] [stdout] 81c304351ba61dec06fba58f27413e75c2c6e3fa16f33c48f00db6b883272d65