[INFO] cloning repository https://github.com/kauncoder/merkle_fileserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kauncoder/merkle_fileserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkauncoder%2Fmerkle_fileserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkauncoder%2Fmerkle_fileserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 762abfd547790099198225a747ab3fbb2217f8e5
[INFO] checking kauncoder/merkle_fileserver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkauncoder%2Fmerkle_fileserver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kauncoder/merkle_fileserver
[INFO] finished tweaking git repo https://github.com/kauncoder/merkle_fileserver
[INFO] tweaked toml for git repo https://github.com/kauncoder/merkle_fileserver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kauncoder/merkle_fileserver on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kauncoder/merkle_fileserver 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c91b393fafb79249227d4ca4bf602b559b874993e4da419e5d2dd804b5779b06
[INFO] running `Command { std: "docker" "start" "-a" "c91b393fafb79249227d4ca4bf602b559b874993e4da419e5d2dd804b5779b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91b393fafb79249227d4ca4bf602b559b874993e4da419e5d2dd804b5779b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91b393fafb79249227d4ca4bf602b559b874993e4da419e5d2dd804b5779b06", kill_on_drop: false }`
[INFO] [stdout] c91b393fafb79249227d4ca4bf602b559b874993e4da419e5d2dd804b5779b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2cf43a033319481b062d5960c890b1e254aa085c2f891bf2fa1e3ac7d808854
[INFO] running `Command { std: "docker" "start" "-a" "b2cf43a033319481b062d5960c890b1e254aa085c2f891bf2fa1e3ac7d808854", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.88
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling blake3 v1.5.4
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking merkle_fileserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this type continue be must used: Result<Result<Response<std::string::String>, warp::http::Error>, Infallible>
[INFO] [stdout]    --> src/client/client.rs:81:43
[INFO] [stdout]     |
[INFO] [stdout]  81 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout]  82 | |     let mut root_hash = String::new();
[INFO] [stdout]  83 | |     let mut merkle_proof = String::new();
[INFO] [stdout]  84 | |     let mut file_name = String::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         .body(result.to_string()))
[INFO] [stdout] 139 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<Response<std::string::String>, warp::http::Error>, Infallible>
[INFO] [stdout]    --> src/client/client.rs:81:43
[INFO] [stdout]     |
[INFO] [stdout]  81 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout]  82 | |     let mut root_hash = String::new();
[INFO] [stdout]  83 | |     let mut merkle_proof = String::new();
[INFO] [stdout]  84 | |     let mut file_name = String::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         .body(result.to_string()))
[INFO] [stdout] 139 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<Response<std::string::String>, warp::http::Error>, Infallible>
[INFO] [stdout]    --> src/client/client.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | /     Ok(warp::http::response::Builder::new()
[INFO] [stdout] 137 | |         .header("Content-Type", "text/plain")
[INFO] [stdout] 138 | |         .body(result.to_string()))
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 20 | |     //empty the current folder for new uploads since user can't have root hash for all files
[INFO] [stdout] 21 | |     let _ = empty_folder(format!("./{}", UPLOAD_DIR));
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     Ok(StatusCode::OK)
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 20 | |     //empty the current folder for new uploads since user can't have root hash for all files
[INFO] [stdout] 21 | |     let _ = empty_folder(format!("./{}", UPLOAD_DIR));
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     Ok(StatusCode::OK)
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |             None => return Ok(StatusCode::BAD_REQUEST),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |             return Ok(StatusCode::INTERNAL_SERVER_ERROR);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Ok(StatusCode::OK)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle_fileserver` (bin "merkle_fileserver" test) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this type continue be must used: Result<Result<Response<std::string::String>, warp::http::Error>, Infallible>
[INFO] [stdout]    --> src/client/client.rs:81:43
[INFO] [stdout]     |
[INFO] [stdout]  81 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout]  82 | |     let mut root_hash = String::new();
[INFO] [stdout]  83 | |     let mut merkle_proof = String::new();
[INFO] [stdout]  84 | |     let mut file_name = String::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         .body(result.to_string()))
[INFO] [stdout] 139 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<Response<std::string::String>, warp::http::Error>, Infallible>
[INFO] [stdout]    --> src/client/client.rs:81:43
[INFO] [stdout]     |
[INFO] [stdout]  81 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout]  82 | |     let mut root_hash = String::new();
[INFO] [stdout]  83 | |     let mut merkle_proof = String::new();
[INFO] [stdout]  84 | |     let mut file_name = String::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |         .body(result.to_string()))
[INFO] [stdout] 139 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<Response<std::string::String>, warp::http::Error>, Infallible>
[INFO] [stdout]    --> src/client/client.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | /     Ok(warp::http::response::Builder::new()
[INFO] [stdout] 137 | |         .header("Content-Type", "text/plain")
[INFO] [stdout] 138 | |         .body(result.to_string()))
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 20 | |     //empty the current folder for new uploads since user can't have root hash for all files
[INFO] [stdout] 21 | |     let _ = empty_folder(format!("./{}", UPLOAD_DIR));
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     Ok(StatusCode::OK)
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |   ) -> Result<impl warp::Reply, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 20 | |     //empty the current folder for new uploads since user can't have root hash for all files
[INFO] [stdout] 21 | |     let _ = empty_folder(format!("./{}", UPLOAD_DIR));
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     Ok(StatusCode::OK)
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |             None => return Ok(StatusCode::BAD_REQUEST),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |             return Ok(StatusCode::INTERNAL_SERVER_ERROR);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StatusCode, Infallible>
[INFO] [stdout]   --> src/fileserver/fs.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Ok(StatusCode::OK)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle_fileserver` (bin "merkle_fileserver") due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b2cf43a033319481b062d5960c890b1e254aa085c2f891bf2fa1e3ac7d808854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cf43a033319481b062d5960c890b1e254aa085c2f891bf2fa1e3ac7d808854", kill_on_drop: false }`
[INFO] [stdout] b2cf43a033319481b062d5960c890b1e254aa085c2f891bf2fa1e3ac7d808854
