[INFO] cloning repository https://github.com/lvyuemeng/actix-instances
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lvyuemeng/actix-instances" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvyuemeng%2Factix-instances", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvyuemeng%2Factix-instances'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bef7e418178fb6e1b6a125027b38cec8784f3b75
[INFO] checking lvyuemeng/actix-instances against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvyuemeng%2Factix-instances" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lvyuemeng/actix-instances on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lvyuemeng/actix-instances
[INFO] removed 1 missing examples
[INFO] finished tweaking git repo https://github.com/lvyuemeng/actix-instances
[INFO] tweaked toml for git repo https://github.com/lvyuemeng/actix-instances written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lvyuemeng/actix-instances 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dae15ec36d33c3e255c07e303f423d79f98fdd924259cf8781f2ce32d0b61826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dae15ec36d33c3e255c07e303f423d79f98fdd924259cf8781f2ce32d0b61826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae15ec36d33c3e255c07e303f423d79f98fdd924259cf8781f2ce32d0b61826", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86439ea2d9edc403095c5a66120f8dabd93ae9c0d7148bdd61fbdda270666b38
[INFO] running `Command { std: "docker" "start" "-a" "86439ea2d9edc403095c5a66120f8dabd93ae9c0d7148bdd61fbdda270666b38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/examples/count_show.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub async fn run() -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/examples/echo_server.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | async fn hello() -> impl Responder {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `echo` is never used
[INFO] [stdout]  --> src/examples/echo_server.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn echo(req_body: String) -> impl Responder {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/examples/echo_server.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn run() -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/examples/json_work.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Info {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     age: u32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]   --> src/examples/json_work.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Response {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]   --> src/examples/json_work.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | async fn greet(info: web::Json<Info>) -> impl Responder {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/examples/json_work.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub async fn run() -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ValidationError` is never constructed
[INFO] [stdout]  --> src/error_mid/errors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum UserError {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     ValidationError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/examples/count_show.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub async fn run() -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/examples/echo_server.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | async fn hello() -> impl Responder {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `echo` is never used
[INFO] [stdout]  --> src/examples/echo_server.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn echo(req_body: String) -> impl Responder {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/examples/echo_server.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub async fn run() -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/examples/json_work.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Info {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     age: u32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]   --> src/examples/json_work.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Response {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]   --> src/examples/json_work.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | async fn greet(info: web::Json<Info>) -> impl Responder {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/examples/json_work.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub async fn run() -> std::io::Result<()> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ValidationError` is never constructed
[INFO] [stdout]  --> src/error_mid/errors.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum UserError {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     ValidationError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `Command { std: "docker" "inspect" "86439ea2d9edc403095c5a66120f8dabd93ae9c0d7148bdd61fbdda270666b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86439ea2d9edc403095c5a66120f8dabd93ae9c0d7148bdd61fbdda270666b38", kill_on_drop: false }`
[INFO] [stdout] 86439ea2d9edc403095c5a66120f8dabd93ae9c0d7148bdd61fbdda270666b38