[INFO] cloning repository https://github.com/jit-y/leetcode-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jit-y/leetcode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fleetcode-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fleetcode-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c46c9992516dfb38c2af97014c54123625e3d6b
[INFO] testing jit-y/leetcode-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fleetcode-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jit-y/leetcode-rs 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/jit-y/leetcode-rs
[INFO] finished tweaking git repo https://github.com/jit-y/leetcode-rs
[INFO] tweaked toml for git repo https://github.com/jit-y/leetcode-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jit-y/leetcode-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 553398d5cb4449e91eb9012ba5d3199f712bfbbeae7ce5005e02d947b36d0eae
[INFO] running `Command { std: "docker" "start" "-a" "553398d5cb4449e91eb9012ba5d3199f712bfbbeae7ce5005e02d947b36d0eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553398d5cb4449e91eb9012ba5d3199f712bfbbeae7ce5005e02d947b36d0eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553398d5cb4449e91eb9012ba5d3199f712bfbbeae7ce5005e02d947b36d0eae", kill_on_drop: false }`
[INFO] [stdout] 553398d5cb4449e91eb9012ba5d3199f712bfbbeae7ce5005e02d947b36d0eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f7190dc658e6822006cb36f98dbfea354e29770a5beeef13f0399ae270aedbb2
[INFO] running `Command { std: "docker" "start" "-a" "f7190dc658e6822006cb36f98dbfea354e29770a5beeef13f0399ae270aedbb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "f7190dc658e6822006cb36f98dbfea354e29770a5beeef13f0399ae270aedbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7190dc658e6822006cb36f98dbfea354e29770a5beeef13f0399ae270aedbb2", kill_on_drop: false }`
[INFO] [stdout] f7190dc658e6822006cb36f98dbfea354e29770a5beeef13f0399ae270aedbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 60bb68eabb2f6b96507e846ae5b539387486e434aa916b960c10de98ad36e74f
[INFO] running `Command { std: "docker" "start" "-a" "60bb68eabb2f6b96507e846ae5b539387486e434aa916b960c10de98ad36e74f", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> examples/minimum_add_to_make_parentheses_valid.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[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: `min_add_to_make_valid`
[INFO] [stdout]  --> examples/minimum_add_to_make_parentheses_valid.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub fn min_add_to_make_valid(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> examples/number_of_1_bits.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "60bb68eabb2f6b96507e846ae5b539387486e434aa916b960c10de98ad36e74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bb68eabb2f6b96507e846ae5b539387486e434aa916b960c10de98ad36e74f", kill_on_drop: false }`
[INFO] [stdout] 60bb68eabb2f6b96507e846ae5b539387486e434aa916b960c10de98ad36e74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ca35d8256982d1dc1b3a7f4abe5abedcafcb4e9aef67b23dc2cd32886ff74d7d
[INFO] running `Command { std: "docker" "start" "-a" "ca35d8256982d1dc1b3a7f4abe5abedcafcb4e9aef67b23dc2cd32886ff74d7d", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> examples/minimum_add_to_make_parentheses_valid.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution {}
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `min_add_to_make_valid`
[INFO] [stderr]  --> examples/minimum_add_to_make_parentheses_valid.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     pub fn min_add_to_make_valid(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `hammingWeight` should have a snake case name
[INFO] [stderr]  --> examples/number_of_1_bits.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     pub fn hammingWeight(n: u32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (example "minimum_add_to_make_parentheses_valid") generated 2 warnings
[INFO] [stderr] warning: `leetcode` (example "number_of_1_bits") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-207ef05ab0734cf1)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-8d4f85b16a478a66)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca35d8256982d1dc1b3a7f4abe5abedcafcb4e9aef67b23dc2cd32886ff74d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca35d8256982d1dc1b3a7f4abe5abedcafcb4e9aef67b23dc2cd32886ff74d7d", kill_on_drop: false }`
[INFO] [stdout] ca35d8256982d1dc1b3a7f4abe5abedcafcb4e9aef67b23dc2cd32886ff74d7d