[INFO] cloning repository https://github.com/n4to4/axum-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4to4/axum-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Faxum-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Faxum-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d596395b64c8a58ba6aa6b83c7648e3e4c0c04f0
[INFO] checking n4to4/axum-playground 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%2Fn4to4%2Faxum-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/n4to4/axum-playground
[INFO] finished tweaking git repo https://github.com/n4to4/axum-playground
[INFO] tweaked toml for git repo https://github.com/n4to4/axum-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/n4to4/axum-playground 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/n4to4/axum-playground 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] 23c801d1a9d2ece088a561279e0cbb42b143c882ebedc4f65fa1920bc231e014
[INFO] running `Command { std: "docker" "start" "-a" "23c801d1a9d2ece088a561279e0cbb42b143c882ebedc4f65fa1920bc231e014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23c801d1a9d2ece088a561279e0cbb42b143c882ebedc4f65fa1920bc231e014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c801d1a9d2ece088a561279e0cbb42b143c882ebedc4f65fa1920bc231e014", kill_on_drop: false }`
[INFO] [stdout] 23c801d1a9d2ece088a561279e0cbb42b143c882ebedc4f65fa1920bc231e014
[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] 5e56cd575407c478a1eff79913e53b2be6ee07483b034e87d7d4292f8f325246
[INFO] running `Command { std: "docker" "start" "-a" "5e56cd575407c478a1eff79913e53b2be6ee07483b034e87d7d4292f8f325246", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking axum v0.1.1
[INFO] [stderr]     Checking axum-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `username` is never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CreateUser {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 15 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CreateUser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:53:62
[INFO] [stdout]    |
[INFO] [stdout] 53 |               service::any(service_fn(|_: Request<Body>| async {
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 54 | |                 let res = Response::new(Body::from("Hi from GET /root"));
[INFO] [stdout] 55 | |                 Ok::<_, Infallible>(res)
[INFO] [stdout] 56 | |             })),
[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<hyper::Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Ok::<_, Infallible>(res)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axum-playground` (bin "axum-playground" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `username` is never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct CreateUser {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 15 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CreateUser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:53:62
[INFO] [stdout]    |
[INFO] [stdout] 53 |               service::any(service_fn(|_: Request<Body>| async {
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 54 | |                 let res = Response::new(Body::from("Hi from GET /root"));
[INFO] [stdout] 55 | |                 Ok::<_, Infallible>(res)
[INFO] [stdout] 56 | |             })),
[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<hyper::Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Ok::<_, Infallible>(res)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axum-playground` (bin "axum-playground") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5e56cd575407c478a1eff79913e53b2be6ee07483b034e87d7d4292f8f325246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e56cd575407c478a1eff79913e53b2be6ee07483b034e87d7d4292f8f325246", kill_on_drop: false }`
[INFO] [stdout] 5e56cd575407c478a1eff79913e53b2be6ee07483b034e87d7d4292f8f325246