[INFO] cloning repository https://github.com/aquiffoo/fizzbuzz-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aquiffoo/fizzbuzz-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquiffoo%2Ffizzbuzz-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquiffoo%2Ffizzbuzz-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0ab7daa25adc0c80e6c510e413f77df8f49c224
[INFO] checking aquiffoo/fizzbuzz-rust 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%2Faquiffoo%2Ffizzbuzz-rust" "/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/aquiffoo/fizzbuzz-rust
[INFO] finished tweaking git repo https://github.com/aquiffoo/fizzbuzz-rust
[INFO] tweaked toml for git repo https://github.com/aquiffoo/fizzbuzz-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aquiffoo/fizzbuzz-rust 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/aquiffoo/fizzbuzz-rust 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] 8d56a306c49ab615b603b521377a41e27300c3e015793cd426ec2eaab7a61464
[INFO] running `Command { std: "docker" "start" "-a" "8d56a306c49ab615b603b521377a41e27300c3e015793cd426ec2eaab7a61464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d56a306c49ab615b603b521377a41e27300c3e015793cd426ec2eaab7a61464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d56a306c49ab615b603b521377a41e27300c3e015793cd426ec2eaab7a61464", kill_on_drop: false }`
[INFO] [stdout] 8d56a306c49ab615b603b521377a41e27300c3e015793cd426ec2eaab7a61464
[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] b6d4fe433c7a20cba51a47465fb085d517f618e9e7d25123383e775908eb1469
[INFO] running `Command { std: "docker" "start" "-a" "b6d4fe433c7a20cba51a47465fb085d517f618e9e7d25123383e775908eb1469", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking hyper v1.5.2
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking fizzbuzz-http v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<axum::body::Body>, Infallible>
[INFO] [stdout]   --> server.rs:39:53
[INFO] [stdout]    |
[INFO] [stdout] 39 |           .serve_connection(io, service_fn(|req| async move {
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 40 | |             let headers = req.headers().clone();
[INFO] [stdout] 41 | |             let response = fizzbuzz_service(headers).await;
[INFO] [stdout] 42 | |             Ok::<_, Infallible>(response.into_response())
[INFO] [stdout] 43 | |         }))
[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<axum::body::Body>, Infallible>
[INFO] [stdout]   --> server.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Ok::<_, Infallible>(response.into_response())
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fizzbuzz-http` (bin "fizzbuzz-http" test) due to 2 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<axum::body::Body>, Infallible>
[INFO] [stdout]   --> server.rs:39:53
[INFO] [stdout]    |
[INFO] [stdout] 39 |           .serve_connection(io, service_fn(|req| async move {
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 40 | |             let headers = req.headers().clone();
[INFO] [stdout] 41 | |             let response = fizzbuzz_service(headers).await;
[INFO] [stdout] 42 | |             Ok::<_, Infallible>(response.into_response())
[INFO] [stdout] 43 | |         }))
[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<axum::body::Body>, Infallible>
[INFO] [stdout]   --> server.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Ok::<_, Infallible>(response.into_response())
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fizzbuzz-http` (bin "fizzbuzz-http") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6d4fe433c7a20cba51a47465fb085d517f618e9e7d25123383e775908eb1469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d4fe433c7a20cba51a47465fb085d517f618e9e7d25123383e775908eb1469", kill_on_drop: false }`
[INFO] [stdout] b6d4fe433c7a20cba51a47465fb085d517f618e9e7d25123383e775908eb1469