[INFO] cloning repository https://github.com/didof/leet_code_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/didof/leet_code_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidof%2Fleet_code_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidof%2Fleet_code_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3dfe16a241ba3f1abfcf56978361b8b14f448a8
[INFO] testing didof/leet_code_rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidof%2Fleet_code_rust" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/didof/leet_code_rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/didof/leet_code_rust
[INFO] finished tweaking git repo https://github.com/didof/leet_code_rust
[INFO] tweaked toml for git repo https://github.com/didof/leet_code_rust written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/didof/leet_code_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c93eb77b3f5a4f2383dcdeabe60118a21f90398c39a9b0f5d4a6483ab7b6b5
[INFO] running `Command { std: "docker" "start" "-a" "e4c93eb77b3f5a4f2383dcdeabe60118a21f90398c39a9b0f5d4a6483ab7b6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c93eb77b3f5a4f2383dcdeabe60118a21f90398c39a9b0f5d4a6483ab7b6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c93eb77b3f5a4f2383dcdeabe60118a21f90398c39a9b0f5d4a6483ab7b6b5", kill_on_drop: false }`
[INFO] [stdout] e4c93eb77b3f5a4f2383dcdeabe60118a21f90398c39a9b0f5d4a6483ab7b6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a88199d55baa6f900227790a137e8e40d4f9f99f5c78515fea872aad79c26c1
[INFO] running `Command { std: "docker" "start" "-a" "1a88199d55baa6f900227790a137e8e40d4f9f99f5c78515fea872aad79c26c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leet_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `PalindromeNumber`
[INFO] [stdout]  --> src/easy/id9_palindrome_number.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct PalindromeNumber;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_palindrome`
[INFO] [stdout]  --> src/easy/id9_palindrome_number.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn is_palindrome(mut x: i32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RomanNumbers`
[INFO] [stdout]  --> src/easy/id13_roman_numbers.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct RomanNumbers;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_roman_to_int32`
[INFO] [stdout]  --> src/easy/id13_roman_numbers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn from_roman_to_int32(rn: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TwoSum`
[INFO] [stdout]  --> src/easy/id1_two_sum.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TwoSum;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brute_force`
[INFO] [stdout]   --> src/easy/id1_two_sum.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn brute_force(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `two_pass_hash_map`
[INFO] [stdout]   --> src/easy/id1_two_sum.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn two_pass_hash_map(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `one_pass_hash_map`
[INFO] [stdout]   --> src/easy/id1_two_sum.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn one_pass_hash_map(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.01s
[INFO] running `Command { std: "docker" "inspect" "1a88199d55baa6f900227790a137e8e40d4f9f99f5c78515fea872aad79c26c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a88199d55baa6f900227790a137e8e40d4f9f99f5c78515fea872aad79c26c1", kill_on_drop: false }`
[INFO] [stdout] 1a88199d55baa6f900227790a137e8e40d4f9f99f5c78515fea872aad79c26c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158578c1248e344be5f3f7d5119923dbb1434175bcad30f35736649a7b1c19cc
[INFO] running `Command { std: "docker" "start" "-a" "158578c1248e344be5f3f7d5119923dbb1434175bcad30f35736649a7b1c19cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling leet_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "158578c1248e344be5f3f7d5119923dbb1434175bcad30f35736649a7b1c19cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158578c1248e344be5f3f7d5119923dbb1434175bcad30f35736649a7b1c19cc", kill_on_drop: false }`
[INFO] [stdout] 158578c1248e344be5f3f7d5119923dbb1434175bcad30f35736649a7b1c19cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 786274602d512fcf087bf46d30e505720d16f61b4a1d7abb870c69d7386fb41c
[INFO] running `Command { std: "docker" "start" "-a" "786274602d512fcf087bf46d30e505720d16f61b4a1d7abb870c69d7386fb41c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leet_code-e404af5eeb66f614)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test palindrome_number::test ... ok
[INFO] [stdout] test two_sum::test_brute_force ... ok
[INFO] [stdout] test roman_numbers::test ... ok
[INFO] [stdout] test two_sum::test_one_pass_hash_map ... ok
[INFO] [stdout] test two_sum::test_two_pass_hash_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "786274602d512fcf087bf46d30e505720d16f61b4a1d7abb870c69d7386fb41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786274602d512fcf087bf46d30e505720d16f61b4a1d7abb870c69d7386fb41c", kill_on_drop: false }`
[INFO] [stdout] 786274602d512fcf087bf46d30e505720d16f61b4a1d7abb870c69d7386fb41c