[INFO] cloning repository https://github.com/maeln/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maeln/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcd0f946083a2f3937e060a93abdb27221a9008a
[INFO] checking maeln/leetcode against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fleetcode" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maeln/leetcode on toolchain 667247db71ea18c4130dd018d060e7f09d589490
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maeln/leetcode
[INFO] finished tweaking git repo https://github.com/maeln/leetcode
[INFO] tweaked toml for git repo https://github.com/maeln/leetcode written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maeln/leetcode 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" "+667247db71ea18c4130dd018d060e7f09d589490" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d4eebd512be76af72204082b0ae90c36f81a9d5bfa3b46cf753da363c16e081
[INFO] running `Command { std: "docker" "start" "-a" "7d4eebd512be76af72204082b0ae90c36f81a9d5bfa3b46cf753da363c16e081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4eebd512be76af72204082b0ae90c36f81a9d5bfa3b46cf753da363c16e081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4eebd512be76af72204082b0ae90c36f81a9d5bfa3b46cf753da363c16e081", kill_on_drop: false }`
[INFO] [stdout] 7d4eebd512be76af72204082b0ae90c36f81a9d5bfa3b46cf753da363c16e081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e648038461e1872bff53f914c48cf71bbfb20d89c6febc0973427800007ccc95
[INFO] running `Command { std: "docker" "start" "-a" "e648038461e1872bff53f914c48cf71bbfb20d89c6febc0973427800007ccc95", kill_on_drop: false }`
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `remove_duplicates_sorted_array` is never used
[INFO] [stdout]  --> src/array.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn remove_duplicates_sorted_array(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit2` is never used
[INFO] [stdout]  --> src/dynamic_prog.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn max_profit2(prices: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]   --> src/dynamic_prog.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs_rec` is never used
[INFO] [stdout]   --> src/dynamic_prog.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn climb_stairs_rec(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs` is never used
[INFO] [stdout]   --> src/dynamic_prog.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs_dyn` is never used
[INFO] [stdout]    --> src/dynamic_prog.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn climb_stairs_dyn(n: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LUT` is never used
[INFO] [stdout]    --> src/dynamic_prog.rs:125:7
[INFO] [stdout]     |
[INFO] [stdout] 125 | const LUT: &[i32] = &[
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs_lut` is never used
[INFO] [stdout]    --> src/dynamic_prog.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn climb_stairs_lut(n: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e648038461e1872bff53f914c48cf71bbfb20d89c6febc0973427800007ccc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e648038461e1872bff53f914c48cf71bbfb20d89c6febc0973427800007ccc95", kill_on_drop: false }`
[INFO] [stdout] e648038461e1872bff53f914c48cf71bbfb20d89c6febc0973427800007ccc95