[INFO] cloning repository https://github.com/drgorillamd/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drgorillamd/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgorillamd%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgorillamd%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f67bf3883f4712b032f88d8b7e2d5fcd29357e7
[INFO] building drgorillamd/leetcode-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgorillamd%2Fleetcode-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drgorillamd/leetcode-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drgorillamd/leetcode-rust
[INFO] finished tweaking git repo https://github.com/drgorillamd/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/drgorillamd/leetcode-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/drgorillamd/leetcode-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07785557f0d384919fb776fd4e073f69055ca1ea937d9856a6c8e009a5ae934d
[INFO] running `Command { std: "docker" "start" "-a" "07785557f0d384919fb776fd4e073f69055ca1ea937d9856a6c8e009a5ae934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07785557f0d384919fb776fd4e073f69055ca1ea937d9856a6c8e009a5ae934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07785557f0d384919fb776fd4e073f69055ca1ea937d9856a6c8e009a5ae934d", kill_on_drop: false }`
[INFO] [stdout] 07785557f0d384919fb776fd4e073f69055ca1ea937d9856a6c8e009a5ae934d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec0736f679f7d068ecc2664e7f8ea2d22deeb2b2d13ed864b459eca46554372c
[INFO] running `Command { std: "docker" "start" "-a" "ec0736f679f7d068ecc2664e7f8ea2d22deeb2b2d13ed864b459eca46554372c", kill_on_drop: false }`
[INFO] [stderr]    Compiling leet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]  --> src/two_sum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers_inner` is never used
[INFO] [stdout]  --> src/add_two_numbers.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn add_two_numbers_inner(l1: Option<&Box<ListNode>>, l2: Option<&Box<ListNode>>, carry: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]   --> src/add_two_numbers.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/length_of_longest_substring.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_median_sorted_arrays` is never used
[INFO] [stdout]  --> src/find_median_sorted_arrays.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "ec0736f679f7d068ecc2664e7f8ea2d22deeb2b2d13ed864b459eca46554372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0736f679f7d068ecc2664e7f8ea2d22deeb2b2d13ed864b459eca46554372c", kill_on_drop: false }`
[INFO] [stdout] ec0736f679f7d068ecc2664e7f8ea2d22deeb2b2d13ed864b459eca46554372c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e931f2a04b075e2149f9a4015d2b7e027ec5817b6673040deccb5ae6504ae7
[INFO] running `Command { std: "docker" "start" "-a" "d6e931f2a04b075e2149f9a4015d2b7e027ec5817b6673040deccb5ae6504ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling leet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d6e931f2a04b075e2149f9a4015d2b7e027ec5817b6673040deccb5ae6504ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e931f2a04b075e2149f9a4015d2b7e027ec5817b6673040deccb5ae6504ae7", kill_on_drop: false }`
[INFO] [stdout] d6e931f2a04b075e2149f9a4015d2b7e027ec5817b6673040deccb5ae6504ae7