[INFO] cloning repository https://github.com/ikaranmali/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/ikaranmali/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikaranmali%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikaranmali%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df0f1622f0e8ee5dd45f8a19f9e1e9bbd09b04a6
[INFO] testing ikaranmali/leetcode-rust against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikaranmali%2Fleetcode-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikaranmali/leetcode-rust on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikaranmali/leetcode-rust
[INFO] finished tweaking git repo https://github.com/ikaranmali/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/ikaranmali/leetcode-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ikaranmali/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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4ed552da66eec15d7b0267cd6776b6d55c3d2617849ec54f3abf6bfc088dc75
[INFO] running `Command { std: "docker" "start" "-a" "c4ed552da66eec15d7b0267cd6776b6d55c3d2617849ec54f3abf6bfc088dc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4ed552da66eec15d7b0267cd6776b6d55c3d2617849ec54f3abf6bfc088dc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ed552da66eec15d7b0267cd6776b6d55c3d2617849ec54f3abf6bfc088dc75", kill_on_drop: false }`
[INFO] [stdout] c4ed552da66eec15d7b0267cd6776b6d55c3d2617849ec54f3abf6bfc088dc75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7396f6e8723b105755811aa1c452d53a032a0d046b409700c951923c60e8aa32
[INFO] running `Command { std: "docker" "start" "-a" "7396f6e8723b105755811aa1c452d53a032a0d046b409700c951923c60e8aa32", kill_on_drop: false }`
[INFO] [stderr]    Compiling two_sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `reversed_integer` is never read
[INFO] [stdout]   --> src/palindrome_check.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut reversed_integer:i64 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]   --> src/palindrome_check.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Solution{
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 12 |     x: i32
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "7396f6e8723b105755811aa1c452d53a032a0d046b409700c951923c60e8aa32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7396f6e8723b105755811aa1c452d53a032a0d046b409700c951923c60e8aa32", kill_on_drop: false }`
[INFO] [stdout] 7396f6e8723b105755811aa1c452d53a032a0d046b409700c951923c60e8aa32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e1e7c55ef36fc0ee8c0bdf3704a3025a6c4c71e7e5c9274a8aa21c59599d06c
[INFO] running `Command { std: "docker" "start" "-a" "2e1e7c55ef36fc0ee8c0bdf3704a3025a6c4c71e7e5c9274a8aa21c59599d06c", kill_on_drop: false }`
[INFO] [stderr]    Compiling two_sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `reversed_integer` is never read
[INFO] [stdout]   --> src/palindrome_check.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut reversed_integer:i64 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]   --> src/palindrome_check.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Solution{
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 12 |     x: i32
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2e1e7c55ef36fc0ee8c0bdf3704a3025a6c4c71e7e5c9274a8aa21c59599d06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1e7c55ef36fc0ee8c0bdf3704a3025a6c4c71e7e5c9274a8aa21c59599d06c", kill_on_drop: false }`
[INFO] [stdout] 2e1e7c55ef36fc0ee8c0bdf3704a3025a6c4c71e7e5c9274a8aa21c59599d06c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3f0642538371568df8a8ad6e94dcab938db2ac880a2917fc1d7209abeb39a7b
[INFO] running `Command { std: "docker" "start" "-a" "d3f0642538371568df8a8ad6e94dcab938db2ac880a2917fc1d7209abeb39a7b", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `reversed_integer` is never read
[INFO] [stderr]   --> src/palindrome_check.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut reversed_integer:i64 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `x` is never read
[INFO] [stderr]   --> src/palindrome_check.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Solution{
[INFO] [stderr]    |        -------- field in this struct
[INFO] [stderr] 12 |     x: i32
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `two_sum` (bin "two_sum" test) generated 2 warnings
[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-b37b8e29342d1090)
[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" "d3f0642538371568df8a8ad6e94dcab938db2ac880a2917fc1d7209abeb39a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f0642538371568df8a8ad6e94dcab938db2ac880a2917fc1d7209abeb39a7b", kill_on_drop: false }`
[INFO] [stdout] d3f0642538371568df8a8ad6e94dcab938db2ac880a2917fc1d7209abeb39a7b