[INFO] cloning repository https://github.com/ADkun/leet-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ADkun/leet-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FADkun%2Fleet-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FADkun%2Fleet-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b416fc5b00737bdf46e3d4c920829872c2b9133e
[INFO] checking ADkun/leet-rs against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FADkun%2Fleet-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ADkun/leet-rs on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ADkun/leet-rs
[INFO] finished tweaking git repo https://github.com/ADkun/leet-rs
[INFO] tweaked toml for git repo https://github.com/ADkun/leet-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ADkun/leet-rs 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 085b6313bbcead2cfbb4b074783f97b77523cf29f6500fb9d4d1409a4eafdc21
[INFO] running `Command { std: "docker" "start" "-a" "085b6313bbcead2cfbb4b074783f97b77523cf29f6500fb9d4d1409a4eafdc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "085b6313bbcead2cfbb4b074783f97b77523cf29f6500fb9d4d1409a4eafdc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085b6313bbcead2cfbb4b074783f97b77523cf29f6500fb9d4d1409a4eafdc21", kill_on_drop: false }`
[INFO] [stdout] 085b6313bbcead2cfbb4b074783f97b77523cf29f6500fb9d4d1409a4eafdc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ced4f3ebfd67ff2f24f14366736ce71cc49e44e442c52d49591455c83c70b0
[INFO] running `Command { std: "docker" "start" "-a" "a2ced4f3ebfd67ff2f24f14366736ce71cc49e44e442c52d49591455c83c70b0", kill_on_drop: false }`
[INFO] [stderr]     Checking leet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_palindrome_optimize` is never used
[INFO] [stdout]   --> src/is_palindrome.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn is_palindrome_optimize(x: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/is_palindrome.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome_optimize` is never used
[INFO] [stdout]   --> src/is_palindrome.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn is_palindrome_optimize(x: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `roman_to_int` is never used
[INFO] [stdout]  --> src/roman_to_int.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_hash` is never used
[INFO] [stdout]  --> src/two_sum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn two_sum_hash(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/two_sum.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "a2ced4f3ebfd67ff2f24f14366736ce71cc49e44e442c52d49591455c83c70b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ced4f3ebfd67ff2f24f14366736ce71cc49e44e442c52d49591455c83c70b0", kill_on_drop: false }`
[INFO] [stdout] a2ced4f3ebfd67ff2f24f14366736ce71cc49e44e442c52d49591455c83c70b0
