[INFO] cloning repository https://github.com/nguyenlean96/problems-solving-wt-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nguyenlean96/problems-solving-wt-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenlean96%2Fproblems-solving-wt-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenlean96%2Fproblems-solving-wt-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c6bed95692e05de592eb311648fec05d6879d4
[INFO] testing nguyenlean96/problems-solving-wt-rust against 1.83.0 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenlean96%2Fproblems-solving-wt-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nguyenlean96/problems-solving-wt-rust on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nguyenlean96/problems-solving-wt-rust
[INFO] finished tweaking git repo https://github.com/nguyenlean96/problems-solving-wt-rust
[INFO] tweaked toml for git repo https://github.com/nguyenlean96/problems-solving-wt-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nguyenlean96/problems-solving-wt-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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05051093dd29f6518512b6e35a4933ea44ab09265348242f6c556b50d8435527
[INFO] running `Command { std: "docker" "start" "-a" "05051093dd29f6518512b6e35a4933ea44ab09265348242f6c556b50d8435527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05051093dd29f6518512b6e35a4933ea44ab09265348242f6c556b50d8435527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05051093dd29f6518512b6e35a4933ea44ab09265348242f6c556b50d8435527", kill_on_drop: false }`
[INFO] [stdout] 05051093dd29f6518512b6e35a4933ea44ab09265348242f6c556b50d8435527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd100f3c2d1b1fcb62b7268aedd12d702ab32bd838b974d4b92adfc545ab9eb
[INFO] running `Command { std: "docker" "start" "-a" "9dd100f3c2d1b1fcb62b7268aedd12d702ab32bd838b974d4b92adfc545ab9eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling solve-leetcode-problems-wt-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `index`
[INFO] [stdout]  --> src/problems/easy/two_sum/solution.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::seq::{index, SliceRandom};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/hackerrank_com/mini_max_sum/solution.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]  --> src/hackerrank_com/plus_minus/solution.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PlusMinus {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 4 |     n: usize,
[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/hackerrank_com/mini_max_sum/solution.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MiniMaxSum {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(arr: Vec<i64>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "9dd100f3c2d1b1fcb62b7268aedd12d702ab32bd838b974d4b92adfc545ab9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd100f3c2d1b1fcb62b7268aedd12d702ab32bd838b974d4b92adfc545ab9eb", kill_on_drop: false }`
[INFO] [stdout] 9dd100f3c2d1b1fcb62b7268aedd12d702ab32bd838b974d4b92adfc545ab9eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dcdcde5758c879b6ba38e393700e2e2f32b9725854cd914bf9abdfc0d4928ff
[INFO] running `Command { std: "docker" "start" "-a" "3dcdcde5758c879b6ba38e393700e2e2f32b9725854cd914bf9abdfc0d4928ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling solve-leetcode-problems-wt-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `index`
[INFO] [stdout]  --> src/problems/easy/two_sum/solution.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::seq::{index, SliceRandom};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/hackerrank_com/mini_max_sum/solution.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]  --> src/hackerrank_com/plus_minus/solution.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PlusMinus {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 4 |     n: usize,
[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/hackerrank_com/mini_max_sum/solution.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MiniMaxSum {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(arr: Vec<i64>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `index`
[INFO] [stdout]  --> src/problems/easy/two_sum/solution.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::seq::{index, SliceRandom};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/hackerrank_com/mini_max_sum/solution.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]  --> src/hackerrank_com/plus_minus/solution.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PlusMinus {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 4 |     n: usize,
[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/hackerrank_com/mini_max_sum/solution.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MiniMaxSum {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(arr: Vec<i64>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "3dcdcde5758c879b6ba38e393700e2e2f32b9725854cd914bf9abdfc0d4928ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcdcde5758c879b6ba38e393700e2e2f32b9725854cd914bf9abdfc0d4928ff", kill_on_drop: false }`
[INFO] [stdout] 3dcdcde5758c879b6ba38e393700e2e2f32b9725854cd914bf9abdfc0d4928ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48a5c1e0c3623e9005a2eebc245a2c77ec51c63c3aa84f33a5027168064cd9e6
[INFO] running `Command { std: "docker" "start" "-a" "48a5c1e0c3623e9005a2eebc245a2c77ec51c63c3aa84f33a5027168064cd9e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `index`
[INFO] [stderr]  --> src/problems/easy/two_sum/solution.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::seq::{index, SliceRandom};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]  --> src/hackerrank_com/mini_max_sum/solution.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `n` is never read
[INFO] [stderr]  --> src/hackerrank_com/plus_minus/solution.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct PlusMinus {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 4 |     n: usize,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hackerrank_com/mini_max_sum/solution.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl MiniMaxSum {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 13 |     fn new(arr: Vec<i64>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `solve-leetcode-problems-wt-rust` (lib) generated 4 warnings (run `cargo fix --lib -p solve-leetcode-problems-wt-rust` to apply 2 suggestions)
[INFO] [stderr] warning: `solve-leetcode-problems-wt-rust` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mycrate-2d50815cce89f3ec)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/solve_leetcode_problems_wt_rust-6c2eec73a7fe2593)
[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] [stderr]    Doc-tests mycrate
[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" "48a5c1e0c3623e9005a2eebc245a2c77ec51c63c3aa84f33a5027168064cd9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a5c1e0c3623e9005a2eebc245a2c77ec51c63c3aa84f33a5027168064cd9e6", kill_on_drop: false }`
[INFO] [stdout] 48a5c1e0c3623e9005a2eebc245a2c77ec51c63c3aa84f33a5027168064cd9e6