[INFO] cloning repository https://github.com/Tyny/leet-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tyny/leet-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyny%2Fleet-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyny%2Fleet-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1fc0e8b127cbe6031762943971685d0f4b189b2
[INFO] testing Tyny/leet-code against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyny%2Fleet-code" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tyny/leet-code 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/Tyny/leet-code
[INFO] finished tweaking git repo https://github.com/Tyny/leet-code
[INFO] tweaked toml for git repo https://github.com/Tyny/leet-code written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Tyny/leet-code 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3726edb722a5fa60b01bc914f8b7b694785d4c7caa3886400e05ba3f87d12124
[INFO] running `Command { std: "docker" "start" "-a" "3726edb722a5fa60b01bc914f8b7b694785d4c7caa3886400e05ba3f87d12124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3726edb722a5fa60b01bc914f8b7b694785d4c7caa3886400e05ba3f87d12124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3726edb722a5fa60b01bc914f8b7b694785d4c7caa3886400e05ba3f87d12124", kill_on_drop: false }`
[INFO] [stdout] 3726edb722a5fa60b01bc914f8b7b694785d4c7caa3886400e05ba3f87d12124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6f4838697d84bd851f9ebf04b7469fa467c48cd2407aaeee4ecd2bd77b52f91a
[INFO] running `Command { std: "docker" "start" "-a" "6f4838697d84bd851f9ebf04b7469fa467c48cd2407aaeee4ecd2bd77b52f91a", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling two-sum v0.1.0 (/opt/rustwide/workdir/two-sum)
[INFO] [stderr]    Compiling underground-system v0.1.0 (/opt/rustwide/workdir/underground-system)
[INFO] [stderr]    Compiling twitter v0.1.0 (/opt/rustwide/workdir/twitter)
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> twitter/src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn post_tweet(&self, user_id: i32, tweet_id: i32) {}
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tweet_id`
[INFO] [stdout]   --> twitter/src/main.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn post_tweet(&self, user_id: i32, tweet_id: i32) {}
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tweet_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> twitter/src/main.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn get_news_feed(&self, user_id: i32) -> Vec<i32> {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `follower_id`
[INFO] [stdout]   --> twitter/src/main.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn follow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_follower_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `followee_id`
[INFO] [stdout]   --> twitter/src/main.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn follow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_followee_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `follower_id`
[INFO] [stdout]   --> twitter/src/main.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn unfollow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_follower_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `followee_id`
[INFO] [stdout]   --> twitter/src/main.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn unfollow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_followee_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_2`
[INFO] [stdout]   --> twitter/src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let ret_2: Vec<i32> = obj.get_news_feed(messiId);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `messiId` should have a snake case name
[INFO] [stdout]   --> twitter/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let messiId = 1;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `messi_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `agueroId` should have a snake case name
[INFO] [stdout]   --> twitter/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let agueroId = 2;
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `aguero_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tweetId` should have a snake case name
[INFO] [stdout]   --> twitter/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tweetId = 01;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `tweet_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "6f4838697d84bd851f9ebf04b7469fa467c48cd2407aaeee4ecd2bd77b52f91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4838697d84bd851f9ebf04b7469fa467c48cd2407aaeee4ecd2bd77b52f91a", kill_on_drop: false }`
[INFO] [stdout] 6f4838697d84bd851f9ebf04b7469fa467c48cd2407aaeee4ecd2bd77b52f91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 763bd955dbe52f7b3e7dcf0b0c17c8994db6069535ad4ee09f81cbcb18a499f0
[INFO] running `Command { std: "docker" "start" "-a" "763bd955dbe52f7b3e7dcf0b0c17c8994db6069535ad4ee09f81cbcb18a499f0", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling two-sum v0.1.0 (/opt/rustwide/workdir/two-sum)
[INFO] [stderr]    Compiling twitter v0.1.0 (/opt/rustwide/workdir/twitter)
[INFO] [stderr]    Compiling underground-system v0.1.0 (/opt/rustwide/workdir/underground-system)
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> twitter/src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn post_tweet(&self, user_id: i32, tweet_id: i32) {}
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tweet_id`
[INFO] [stdout]   --> twitter/src/main.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn post_tweet(&self, user_id: i32, tweet_id: i32) {}
[INFO] [stdout]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tweet_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> twitter/src/main.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn get_news_feed(&self, user_id: i32) -> Vec<i32> {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `follower_id`
[INFO] [stdout]   --> twitter/src/main.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn follow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_follower_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `followee_id`
[INFO] [stdout]   --> twitter/src/main.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn follow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_followee_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `follower_id`
[INFO] [stdout]   --> twitter/src/main.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn unfollow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_follower_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `followee_id`
[INFO] [stdout]   --> twitter/src/main.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn unfollow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_followee_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_2`
[INFO] [stdout]   --> twitter/src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let ret_2: Vec<i32> = obj.get_news_feed(messiId);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `messiId` should have a snake case name
[INFO] [stdout]   --> twitter/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let messiId = 1;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `messi_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `agueroId` should have a snake case name
[INFO] [stdout]   --> twitter/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let agueroId = 2;
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `aguero_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tweetId` should have a snake case name
[INFO] [stdout]   --> twitter/src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tweetId = 01;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `tweet_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "763bd955dbe52f7b3e7dcf0b0c17c8994db6069535ad4ee09f81cbcb18a499f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763bd955dbe52f7b3e7dcf0b0c17c8994db6069535ad4ee09f81cbcb18a499f0", kill_on_drop: false }`
[INFO] [stdout] 763bd955dbe52f7b3e7dcf0b0c17c8994db6069535ad4ee09f81cbcb18a499f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 30f7a87619a31efe5dcaf072ab34ba41ad1e10cbbe40bbd41ae3d42414720765
[INFO] running `Command { std: "docker" "start" "-a" "30f7a87619a31efe5dcaf072ab34ba41ad1e10cbbe40bbd41ae3d42414720765", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused variable: `user_id`
[INFO] [stderr]   --> twitter/src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn post_tweet(&self, user_id: i32, tweet_id: i32) {}
[INFO] [stderr]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tweet_id`
[INFO] [stderr]   --> twitter/src/main.rs:12:40
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn post_tweet(&self, user_id: i32, tweet_id: i32) {}
[INFO] [stderr]    |                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tweet_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user_id`
[INFO] [stderr]   --> twitter/src/main.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn get_news_feed(&self, user_id: i32) -> Vec<i32> {
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `follower_id`
[INFO] [stderr]   --> twitter/src/main.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn follow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_follower_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `followee_id`
[INFO] [stderr]   --> twitter/src/main.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn follow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stderr]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_followee_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `follower_id`
[INFO] [stderr]   --> twitter/src/main.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn unfollow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_follower_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `followee_id`
[INFO] [stderr]   --> twitter/src/main.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn unfollow(&self, follower_id: i32, followee_id: i32) {}
[INFO] [stderr]    |                                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_followee_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret_2`
[INFO] [stderr]   --> twitter/src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let ret_2: Vec<i32> = obj.get_news_feed(messiId);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `messiId` should have a snake case name
[INFO] [stderr]   --> twitter/src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let messiId = 1;
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `messi_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `agueroId` should have a snake case name
[INFO] [stderr]   --> twitter/src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let agueroId = 2;
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `aguero_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `tweetId` should have a snake case name
[INFO] [stderr]   --> twitter/src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let tweetId = 01;
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `tweet_id`
[INFO] [stderr] 
[INFO] [stderr] warning: `twitter` (bin "twitter" test) generated 11 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/twitter-e47ec994dc141bb2)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/two_sum-15d3723e3aac4445)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/underground_system-1d4deead26c84f85)
[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" "30f7a87619a31efe5dcaf072ab34ba41ad1e10cbbe40bbd41ae3d42414720765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f7a87619a31efe5dcaf072ab34ba41ad1e10cbbe40bbd41ae3d42414720765", kill_on_drop: false }`
[INFO] [stdout] 30f7a87619a31efe5dcaf072ab34ba41ad1e10cbbe40bbd41ae3d42414720765