[INFO] cloning repository https://github.com/ludwink/rust-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ludwink/rust-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludwink%2Frust-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludwink%2Frust-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 746ef620f6b42651996e46ba4be4a298a6fb7981
[INFO] checking ludwink/rust-backend 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%2Fludwink%2Frust-backend" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ludwink/rust-backend
[INFO] finished tweaking git repo https://github.com/ludwink/rust-backend
[INFO] tweaked toml for git repo https://github.com/ludwink/rust-backend written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ludwink/rust-backend 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/ludwink/rust-backend 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4bbf68bbf83826e6a92af841d7a30b21d67c7247005412d42e0fd01a32ada6a5
[INFO] running `Command { std: "docker" "start" "-a" "4bbf68bbf83826e6a92af841d7a30b21d67c7247005412d42e0fd01a32ada6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bbf68bbf83826e6a92af841d7a30b21d67c7247005412d42e0fd01a32ada6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbf68bbf83826e6a92af841d7a30b21d67c7247005412d42e0fd01a32ada6a5", kill_on_drop: false }`
[INFO] [stdout] 4bbf68bbf83826e6a92af841d7a30b21d67c7247005412d42e0fd01a32ada6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a0a76b1c95e22bb1b2a19acb4e5cad1a0df0ad0a43acd67c1730f94f5e0e18c2
[INFO] running `Command { std: "docker" "start" "-a" "a0a76b1c95e22bb1b2a19acb4e5cad1a0df0ad0a43acd67c1730f94f5e0e18c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]     Checking whoami v1.6.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.42
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking postgres-protocol v0.6.8
[INFO] [stderr]     Checking mimalloc v0.1.46
[INFO] [stderr]     Checking postgres-types v0.2.9
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking tokio-util v0.7.14
[INFO] [stderr]     Checking bb8 v0.9.0
[INFO] [stderr]     Checking h2 v0.4.8
[INFO] [stderr]     Checking tokio-postgres v0.7.13
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking bb8-postgres v0.9.0
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper-util v0.1.11
[INFO] [stderr]     Checking rust-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<std::string::String>, Infallible>
[INFO] [stdout]   --> src/router.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |   ) -> Result<Response<String>, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 42 | |     let res = match (req.method(), req.uri().path()) {
[INFO] [stdout] 43 | |         (&Method::GET, "/") => Response::new("Hello World".to_owned()),
[INFO] [stdout] 44 | |         (&Method::GET, "/users") => handle_get_all_users().await,
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     Ok(res)
[INFO] [stdout] 52 | | }
[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<Response<std::string::String>, Infallible>
[INFO] [stdout]   --> src/router.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |   ) -> Result<Response<String>, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 42 | |     let res = match (req.method(), req.uri().path()) {
[INFO] [stdout] 43 | |         (&Method::GET, "/") => Response::new("Hello World".to_owned()),
[INFO] [stdout] 44 | |         (&Method::GET, "/users") => handle_get_all_users().await,
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     Ok(res)
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<std::string::String>, Infallible>
[INFO] [stdout]   --> src/router.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Ok(res)
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-backend` (bin "rust-backend" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Response<std::string::String>, Infallible>
[INFO] [stdout]   --> src/router.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |   ) -> Result<Response<String>, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 42 | |     let res = match (req.method(), req.uri().path()) {
[INFO] [stdout] 43 | |         (&Method::GET, "/") => Response::new("Hello World".to_owned()),
[INFO] [stdout] 44 | |         (&Method::GET, "/users") => handle_get_all_users().await,
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     Ok(res)
[INFO] [stdout] 52 | | }
[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<Response<std::string::String>, Infallible>
[INFO] [stdout]   --> src/router.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |   ) -> Result<Response<String>, Infallible> {
[INFO] [stdout]    |  ___________________________________________^
[INFO] [stdout] 42 | |     let res = match (req.method(), req.uri().path()) {
[INFO] [stdout] 43 | |         (&Method::GET, "/") => Response::new("Hello World".to_owned()),
[INFO] [stdout] 44 | |         (&Method::GET, "/users") => handle_get_all_users().await,
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     Ok(res)
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<std::string::String>, Infallible>
[INFO] [stdout]   --> src/router.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Ok(res)
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-backend` (bin "rust-backend") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a0a76b1c95e22bb1b2a19acb4e5cad1a0df0ad0a43acd67c1730f94f5e0e18c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a76b1c95e22bb1b2a19acb4e5cad1a0df0ad0a43acd67c1730f94f5e0e18c2", kill_on_drop: false }`
[INFO] [stdout] a0a76b1c95e22bb1b2a19acb4e5cad1a0df0ad0a43acd67c1730f94f5e0e18c2