[INFO] cloning repository https://github.com/HalfVoxel/brevduva
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HalfVoxel/brevduva" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalfVoxel%2Fbrevduva", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalfVoxel%2Fbrevduva'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0929ea8823ae01a570cbe76c9d0e419c5a8e5bd7
[INFO] checking HalfVoxel/brevduva/0929ea8823ae01a570cbe76c9d0e419c5a8e5bd7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalfVoxel%2Fbrevduva" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HalfVoxel/brevduva on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/HalfVoxel/brevduva
[INFO] finished tweaking git repo https://github.com/HalfVoxel/brevduva
[INFO] tweaked toml for git repo https://github.com/HalfVoxel/brevduva written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HalfVoxel/brevduva 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb2e543e249bce0ce9c2231f677cf58e64b32fe04282970267cd26c45569e7ca
[INFO] running `Command { std: "docker" "start" "-a" "eb2e543e249bce0ce9c2231f677cf58e64b32fe04282970267cd26c45569e7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2e543e249bce0ce9c2231f677cf58e64b32fe04282970267cd26c45569e7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2e543e249bce0ce9c2231f677cf58e64b32fe04282970267cd26c45569e7ca", kill_on_drop: false }`
[INFO] [stdout] eb2e543e249bce0ce9c2231f677cf58e64b32fe04282970267cd26c45569e7ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39bec59ca3b545e8bf4ec48abc6c38ee304861c034d85c957ce72b93a8e8a597
[INFO] running `Command { std: "docker" "start" "-a" "39bec59ca3b545e8bf4ec48abc6c38ee304861c034d85c957ce72b93a8e8a597", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling toml_datetime v0.6.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling brevduva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling enumset_derive v0.10.0
[INFO] [stderr]     Checking enumset v1.1.5
[INFO] [stderr]     Checking embedded-svc v0.28.0
[INFO] [stdout] warning: constant `META_TOPIC` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const META_TOPIC: &str = "sync/meta";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_id` is never read
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SyncStorageInner {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 29 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `on_message` and `serialize` are never used
[INFO] [stdout]   --> src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait Container: Send + Sync + 'static {
[INFO] [stdout]    |       --------- methods in this trait
[INFO] [stdout] 35 |     fn topic(&self) -> &str;
[INFO] [stdout] 36 |     fn on_message(&self, payload: &[u8]) -> Result<(), BrevduvaError>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 37 |     fn serialize(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_id` is never read
[INFO] [stdout]   --> src/lib.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |     SyncContainer { container_id: usize },
[INFO] [stdout]    |     -------------   ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueueMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_id` is never read
[INFO] [stdout]   --> src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Subscribe { container_id: usize },
[INFO] [stdout]    |     ---------   ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueueMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `start` is never used
[INFO] [stdout]    --> src/lib.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl SyncStorage {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 310 |     async fn start<C: asynch::Client + asynch::Publish + Send, Conn: asynch::Connection + Send>(
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unblock` is never used
[INFO] [stdout]   --> src/blocker.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Blocker {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub async fn unblock(&self) {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_TOPIC` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const META_TOPIC: &str = "sync/meta";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_id` is never read
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SyncStorageInner {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 29 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `on_message` and `serialize` are never used
[INFO] [stdout]   --> src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait Container: Send + Sync + 'static {
[INFO] [stdout]    |       --------- methods in this trait
[INFO] [stdout] 35 |     fn topic(&self) -> &str;
[INFO] [stdout] 36 |     fn on_message(&self, payload: &[u8]) -> Result<(), BrevduvaError>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 37 |     fn serialize(&self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_id` is never read
[INFO] [stdout]   --> src/lib.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |     SyncContainer { container_id: usize },
[INFO] [stdout]    |     -------------   ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueueMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_id` is never read
[INFO] [stdout]   --> src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Subscribe { container_id: usize },
[INFO] [stdout]    |     ---------   ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QueueMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `start` is never used
[INFO] [stdout]    --> src/lib.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl SyncStorage {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 310 |     async fn start<C: asynch::Client + asynch::Publish + Send, Conn: asynch::Connection + Send>(
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unblock` is never used
[INFO] [stdout]   --> src/blocker.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Blocker {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub async fn unblock(&self) {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.71s
[INFO] running `Command { std: "docker" "inspect" "39bec59ca3b545e8bf4ec48abc6c38ee304861c034d85c957ce72b93a8e8a597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bec59ca3b545e8bf4ec48abc6c38ee304861c034d85c957ce72b93a8e8a597", kill_on_drop: false }`
[INFO] [stdout] 39bec59ca3b545e8bf4ec48abc6c38ee304861c034d85c957ce72b93a8e8a597