[INFO] fetching crate olvn 0.1.1...
[INFO] checking olvn-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate olvn 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate olvn 0.1.1
[INFO] finished tweaking crates.io crate olvn 0.1.1
[INFO] tweaked toml for crates.io crate olvn 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate olvn 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.7.9 (available: v0.8.6)
[INFO] [stderr]       Adding axum-core v0.4.5 (available: v0.5.5)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.2)
[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] [stderr] warning: unused manifest key: lib.plugin
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 268696384e02603462a8727075c906ad4cc27261eaff2f31fd6f646e978f7fd4
[INFO] running `Command { std: "docker" "start" "-a" "268696384e02603462a8727075c906ad4cc27261eaff2f31fd6f646e978f7fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268696384e02603462a8727075c906ad4cc27261eaff2f31fd6f646e978f7fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268696384e02603462a8727075c906ad4cc27261eaff2f31fd6f646e978f7fd4", kill_on_drop: false }`
[INFO] [stdout] 268696384e02603462a8727075c906ad4cc27261eaff2f31fd6f646e978f7fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9807e2b6de9a8df273f9dfef19094067975201eaf9e77e43072c0d0052f725ed
[INFO] running `Command { std: "docker" "start" "-a" "9807e2b6de9a8df273f9dfef19094067975201eaf9e77e43072c0d0052f725ed", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]     Checking hyper v1.8.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking hyper-util v0.1.18
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking olvn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/mod.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Namespace(String);
[INFO] [stdout]    |            --------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Namespace` has derived impls for the traits `Clone` and `Debug`, but these are 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] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/egress.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ServiceDiscoveryMode(u8);
[INFO] [stdout]    |            -------------------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/egress.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ProtocolType(u8);
[INFO] [stdout]    |            ------------ ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/egress.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CodecType(u8);
[INFO] [stdout]    |            --------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/mod.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Namespace(String);
[INFO] [stdout]    |            --------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Namespace` has derived impls for the traits `Clone` and `Debug`, but these are 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] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/egress.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ServiceDiscoveryMode(u8);
[INFO] [stdout]    |            -------------------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/egress.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ProtocolType(u8);
[INFO] [stdout]    |            ------------ ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ars/egress.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CodecType(u8);
[INFO] [stdout]    |            --------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DynRouter, Infallible>
[INFO] [stdout]   --> src/routing/mod.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 |             std::future::ready(Ok(self.clone()))
[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<DynRouter, Infallible>
[INFO] [stdout]   --> src/routing/mod.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 |             std::future::ready(Ok(self.clone()))
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:40:70
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   SERVE.hot_update(GwRouter::from_fallback(GREEN.clone().unwrap()));
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:59:70
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   SERVE.hot_update(GwRouter::from_fallback(BLUE.clone().unwrap()));
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:65:54
[INFO] [stdout]    |
[INFO] [stdout] 65 |             SERVE.hot_update(GwRouter::from_fallback(BLUE.clone().unwrap()));
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `olvn` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `olvn` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9807e2b6de9a8df273f9dfef19094067975201eaf9e77e43072c0d0052f725ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9807e2b6de9a8df273f9dfef19094067975201eaf9e77e43072c0d0052f725ed", kill_on_drop: false }`
[INFO] [stdout] 9807e2b6de9a8df273f9dfef19094067975201eaf9e77e43072c0d0052f725ed
