[INFO] fetching crate rocket_prometheus 0.10.1...
[INFO] checking rocket_prometheus-0.10.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rocket_prometheus 0.10.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rocket_prometheus 0.10.1
[INFO] finished tweaking crates.io crate rocket_prometheus 0.10.1
[INFO] tweaked toml for crates.io crate rocket_prometheus 0.10.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rocket_prometheus 0.10.1 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 crates.io crate rocket_prometheus 0.10.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2e63cab1c7493c9f060cf05340c67665f808d0056e9a5197310d17cc2328d3a3
[INFO] running `Command { std: "docker" "start" "-a" "2e63cab1c7493c9f060cf05340c67665f808d0056e9a5197310d17cc2328d3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e63cab1c7493c9f060cf05340c67665f808d0056e9a5197310d17cc2328d3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e63cab1c7493c9f060cf05340c67665f808d0056e9a5197310d17cc2328d3a3", kill_on_drop: false }`
[INFO] [stdout] 2e63cab1c7493c9f060cf05340c67665f808d0056e9a5197310d17cc2328d3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2c580949491ad66856c446140ba2ab07a10ea9a0f4448deb2f71dba4592ac3ba
[INFO] running `Command { std: "docker" "start" "-a" "2c580949491ad66856c446140ba2ab07a10ea9a0f4448deb2f71dba4592ac3ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling state v0.6.0
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling rocket v0.5.0
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling devise_core v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]    Compiling ref-cast-impl v1.0.23
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling devise_codegen v0.4.1
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]    Compiling pear v0.2.9
[INFO] [stderr]    Compiling devise v0.4.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking toml_datetime v0.6.6
[INFO] [stderr]     Checking serde_spanned v0.6.6
[INFO] [stderr]     Checking ubyte v0.10.4
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking toml_edit v0.22.13
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking toml v0.8.13
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking rocket_http v0.5.0
[INFO] [stderr]    Compiling rocket_codegen v0.5.0
[INFO] [stderr]     Checking rocket_prometheus v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> examples/main.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn hello(name: &str, caps: Option<bool>) -> String {
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket_prometheus` (example "main") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/main.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn hello_post(name: String, person: Json<Person>, caps: Option<bool>) -> String {
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> tests/default_registry.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn hello(name: &str, caps: Option<bool>) -> String {
[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<std::string::String, Infallible>
[INFO] [stdout]   --> tests/default_registry.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn hello_post(name: String, person: Json<Person>, caps: Option<bool>) -> String {
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> tests/integration.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn hello(name: &str, caps: Option<bool>) -> String {
[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<std::string::String, Infallible>
[INFO] [stdout]   --> tests/integration.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn hello_post(name: String, person: Json<Person>, caps: Option<bool>) -> String {
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket_prometheus` (test "default_registry") due to 2 previous errors
[INFO] [stderr] error: could not compile `rocket_prometheus` (test "integration") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c580949491ad66856c446140ba2ab07a10ea9a0f4448deb2f71dba4592ac3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c580949491ad66856c446140ba2ab07a10ea9a0f4448deb2f71dba4592ac3ba", kill_on_drop: false }`
[INFO] [stdout] 2c580949491ad66856c446140ba2ab07a10ea9a0f4448deb2f71dba4592ac3ba
