[INFO] cloning repository https://github.com/eduflm/leet-code-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eduflm/leet-code-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduflm%2Fleet-code-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduflm%2Fleet-code-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2efa438464414999e11df2068bc54d0e4f4a7a0
[INFO] testing eduflm/leet-code-with-rust against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feduflm%2Fleet-code-with-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/eduflm/leet-code-with-rust on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eduflm/leet-code-with-rust
[INFO] finished tweaking git repo https://github.com/eduflm/leet-code-with-rust
[INFO] tweaked toml for git repo https://github.com/eduflm/leet-code-with-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eduflm/leet-code-with-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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d872dd246dc5a5b8f00794c83c25aca533c12e476fdf491f65a4ff10b82319be
[INFO] running `Command { std: "docker" "start" "-a" "d872dd246dc5a5b8f00794c83c25aca533c12e476fdf491f65a4ff10b82319be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d872dd246dc5a5b8f00794c83c25aca533c12e476fdf491f65a4ff10b82319be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d872dd246dc5a5b8f00794c83c25aca533c12e476fdf491f65a4ff10b82319be", kill_on_drop: false }`
[INFO] [stdout] d872dd246dc5a5b8f00794c83c25aca533c12e476fdf491f65a4ff10b82319be
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59faaccf71aa1d85ecc329aba507a7ddd0a193462d29933a43a201df9e862f7b
[INFO] running `Command { std: "docker" "start" "-a" "59faaccf71aa1d85ecc329aba507a7ddd0a193462d29933a43a201df9e862f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling two-sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `palindrome_number::is_palindrome` and `two_sum::two_sum`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{palindrome_number::is_palindrome, two_sum::two_sum};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/longest_prefix.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/longest_prefix.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if (current_index >= first_string.len()) {
[INFO] [stdout]    |            ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         if (current_index >= first_string.len()) {
[INFO] [stdout] 18 +         if current_index >= first_string.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/palindrome_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]  --> src/two_sum.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_common_prefix` is never used
[INFO] [stdout]  --> src/longest_prefix.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "59faaccf71aa1d85ecc329aba507a7ddd0a193462d29933a43a201df9e862f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59faaccf71aa1d85ecc329aba507a7ddd0a193462d29933a43a201df9e862f7b", kill_on_drop: false }`
[INFO] [stdout] 59faaccf71aa1d85ecc329aba507a7ddd0a193462d29933a43a201df9e862f7b
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e04acee183c2d5c856076f7f2f5d81ceb124e55cd07fc280ef04469bc7d68297
[INFO] running `Command { std: "docker" "start" "-a" "e04acee183c2d5c856076f7f2f5d81ceb124e55cd07fc280ef04469bc7d68297", kill_on_drop: false }`
[INFO] [stderr]    Compiling two-sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `palindrome_number::is_palindrome` and `two_sum::two_sum`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{palindrome_number::is_palindrome, two_sum::two_sum};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/longest_prefix.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/longest_prefix.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if (current_index >= first_string.len()) {
[INFO] [stdout]    |            ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         if (current_index >= first_string.len()) {
[INFO] [stdout] 18 +         if current_index >= first_string.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e04acee183c2d5c856076f7f2f5d81ceb124e55cd07fc280ef04469bc7d68297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04acee183c2d5c856076f7f2f5d81ceb124e55cd07fc280ef04469bc7d68297", kill_on_drop: false }`
[INFO] [stdout] e04acee183c2d5c856076f7f2f5d81ceb124e55cd07fc280ef04469bc7d68297
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f21f0469f46917af500db008a949e64ad4187393274c74a06ebfdf53667a330
[INFO] running `Command { std: "docker" "start" "-a" "1f21f0469f46917af500db008a949e64ad4187393274c74a06ebfdf53667a330", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `palindrome_number::is_palindrome` and `two_sum::two_sum`
[INFO] [stderr]  --> src/main.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{palindrome_number::is_palindrome, two_sum::two_sum};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]  --> src/longest_prefix.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     while true {
[INFO] [stderr]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/longest_prefix.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |         if (current_index >= first_string.len()) {
[INFO] [stderr]    |            ^                                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -         if (current_index >= first_string.len()) {
[INFO] [stderr] 18 +         if current_index >= first_string.len() {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `two-sum` (bin "two-sum" test) generated 3 warnings (run `cargo fix --bin "two-sum" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/two_sum-da9cbab15976e2f3)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test longest_prefix::palindrome_tests::longest_common_prefix_fifth ... ok
[INFO] [stdout] test palindrome_number::palindrome_tests::is_palindrome_first ... ok
[INFO] [stdout] test longest_prefix::palindrome_tests::longest_common_prefix_first ... ok
[INFO] [stdout] test longest_prefix::palindrome_tests::longest_common_prefix_second ... ok
[INFO] [stdout] test longest_prefix::palindrome_tests::longest_common_prefix_fourth ... ok
[INFO] [stdout] test longest_prefix::palindrome_tests::longest_common_prefix_third ... ok
[INFO] [stdout] test palindrome_number::palindrome_tests::is_palindrome_second ... ok
[INFO] [stdout] test two_sum::tests::test_sum_two_first ... ok
[INFO] [stdout] test two_sum::tests::test_sum_two_second ... ok
[INFO] [stdout] test two_sum::tests::test_sum_two_third ... ok
[INFO] [stdout] test palindrome_number::palindrome_tests::is_palindrome_third ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f21f0469f46917af500db008a949e64ad4187393274c74a06ebfdf53667a330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f21f0469f46917af500db008a949e64ad4187393274c74a06ebfdf53667a330", kill_on_drop: false }`
[INFO] [stdout] 1f21f0469f46917af500db008a949e64ad4187393274c74a06ebfdf53667a330