[INFO] cloning repository https://github.com/rajeshkumarrobert/rust-problems [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajeshkumarrobert/rust-problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 347baf5053f5d6ad24bcae90e2d8564c84e65983 [INFO] testing rajeshkumarrobert/rust-problems against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rajeshkumarrobert/rust-problems [INFO] finished tweaking git repo https://github.com/rajeshkumarrobert/rust-problems [INFO] tweaked toml for git repo https://github.com/rajeshkumarrobert/rust-problems written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rajeshkumarrobert/rust-problems 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/rajeshkumarrobert/rust-problems 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fd2a76e9b6a6ce7cfa88c7702e81e946373e59c3f28065509bdd6cc350558c47 [INFO] running `Command { std: "docker" "start" "-a" "fd2a76e9b6a6ce7cfa88c7702e81e946373e59c3f28065509bdd6cc350558c47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd2a76e9b6a6ce7cfa88c7702e81e946373e59c3f28065509bdd6cc350558c47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd2a76e9b6a6ce7cfa88c7702e81e946373e59c3f28065509bdd6cc350558c47", kill_on_drop: false }` [INFO] [stdout] fd2a76e9b6a6ce7cfa88c7702e81e946373e59c3f28065509bdd6cc350558c47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 20789d3b9f918ba76023b6e450afabd0f666bbec9e09847b207dea1e3f37c794 [INFO] running `Command { std: "docker" "start" "-a" "20789d3b9f918ba76023b6e450afabd0f666bbec9e09847b207dea1e3f37c794", kill_on_drop: false }` [INFO] [stderr] Compiling rust-problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `three_sum` [INFO] [stdout] --> src/main.rs:17:53 [INFO] [stdout] | [INFO] [stdout] 17 | use leetcode::{merge_alternately,merge_sorted_array,three_sum,remove_duplicates}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ListNode` and `Solution` [INFO] [stdout] --> src/main.rs:20:33 [INFO] [stdout] | [INFO] [stdout] 20 | use leetcode::add_two_numbers::{ListNode, Solution}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `final_res` is never read [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | let mut final_res = ListNode{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_listnode` [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_listnode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [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] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Solution{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_two_numbers` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 22 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `three_sum` is never used [INFO] [stdout] --> src/leetcode/three_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn three_sum(mut nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "20789d3b9f918ba76023b6e450afabd0f666bbec9e09847b207dea1e3f37c794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20789d3b9f918ba76023b6e450afabd0f666bbec9e09847b207dea1e3f37c794", kill_on_drop: false }` [INFO] [stdout] 20789d3b9f918ba76023b6e450afabd0f666bbec9e09847b207dea1e3f37c794 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00cec35ef710917c689d67829eefaa013574d5013fe953b8943738a11a8978e1 [INFO] running `Command { std: "docker" "start" "-a" "00cec35ef710917c689d67829eefaa013574d5013fe953b8943738a11a8978e1", kill_on_drop: false }` [INFO] [stderr] Compiling rust-problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `three_sum` [INFO] [stdout] --> src/main.rs:17:53 [INFO] [stdout] | [INFO] [stdout] 17 | use leetcode::{merge_alternately,merge_sorted_array,three_sum,remove_duplicates}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ListNode` and `Solution` [INFO] [stdout] --> src/main.rs:20:33 [INFO] [stdout] | [INFO] [stdout] 20 | use leetcode::add_two_numbers::{ListNode, Solution}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `final_res` is never read [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | let mut final_res = ListNode{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_listnode` [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_listnode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [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] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Solution{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_two_numbers` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 22 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `three_sum` is never used [INFO] [stdout] --> src/leetcode/three_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn three_sum(mut nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc8HKFpi/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/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/rustc8HKFpi/raw-dylibs" "-B/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" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_problems-9d9548c7d2dc9ff5" "-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: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-problems` (bin "rust-problems" test) due to 1 previous error; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "00cec35ef710917c689d67829eefaa013574d5013fe953b8943738a11a8978e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00cec35ef710917c689d67829eefaa013574d5013fe953b8943738a11a8978e1", kill_on_drop: false }` [INFO] [stdout] 00cec35ef710917c689d67829eefaa013574d5013fe953b8943738a11a8978e1