[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikaranmali%2Fleetcode-rust" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikaranmali/leetcode-rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-30/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: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d19e4c0142d9e9c0b60d59e2f4cc70a31718cf2ea8962e5265227daf4b351d3
[INFO] running `Command { std: "docker" "start" "-a" "1d19e4c0142d9e9c0b60d59e2f4cc70a31718cf2ea8962e5265227daf4b351d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d19e4c0142d9e9c0b60d59e2f4cc70a31718cf2ea8962e5265227daf4b351d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d19e4c0142d9e9c0b60d59e2f4cc70a31718cf2ea8962e5265227daf4b351d3", kill_on_drop: false }`
[INFO] [stdout] 1d19e4c0142d9e9c0b60d59e2f4cc70a31718cf2ea8962e5265227daf4b351d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd8501daee2df00701202421ff848250e15252e22832eedbdbbf6118beffbef7
[INFO] running `Command { std: "docker" "start" "-a" "bd8501daee2df00701202421ff848250e15252e22832eedbdbbf6118beffbef7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/palindrome_check.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     x: i32
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "bd8501daee2df00701202421ff848250e15252e22832eedbdbbf6118beffbef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8501daee2df00701202421ff848250e15252e22832eedbdbbf6118beffbef7", kill_on_drop: false }`
[INFO] [stdout] bd8501daee2df00701202421ff848250e15252e22832eedbdbbf6118beffbef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e7c2eedb31e49f2e110d4ec3f83b0bb60916776e8086947dc37c9a0b5b3378
[INFO] running `Command { std: "docker" "start" "-a" "57e7c2eedb31e49f2e110d4ec3f83b0bb60916776e8086947dc37c9a0b5b3378", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/palindrome_check.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     x: i32
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "57e7c2eedb31e49f2e110d4ec3f83b0bb60916776e8086947dc37c9a0b5b3378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e7c2eedb31e49f2e110d4ec3f83b0bb60916776e8086947dc37c9a0b5b3378", kill_on_drop: false }`
[INFO] [stdout] 57e7c2eedb31e49f2e110d4ec3f83b0bb60916776e8086947dc37c9a0b5b3378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6c8571aabb3f28b7f0a5921b4a8c0b68b2f70e841b3cf447608dda700a738cc
[INFO] running `Command { std: "docker" "start" "-a" "d6c8571aabb3f28b7f0a5921b4a8c0b68b2f70e841b3cf447608dda700a738cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/palindrome_check.rs:12:5
[INFO] [stderr]    |
[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 [unoptimized + debuginfo] target(s) in 2.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/two_sum-773d8df4410b8209)
[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" "d6c8571aabb3f28b7f0a5921b4a8c0b68b2f70e841b3cf447608dda700a738cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c8571aabb3f28b7f0a5921b4a8c0b68b2f70e841b3cf447608dda700a738cc", kill_on_drop: false }`
[INFO] [stdout] d6c8571aabb3f28b7f0a5921b4a8c0b68b2f70e841b3cf447608dda700a738cc