[INFO] fetching crate tiny-tokio-actor 0.3.5... [INFO] building tiny-tokio-actor-0.3.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate tiny-tokio-actor 0.3.5 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate tiny-tokio-actor 0.3.5 [INFO] finished tweaking crates.io crate tiny-tokio-actor 0.3.5 [INFO] tweaked toml for crates.io crate tiny-tokio-actor 0.3.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tiny-tokio-actor 0.3.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tiny-tokio-actor 0.3.5 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b90a5c562e2616c40dad99dd297b5716998a3ea9f7f81c97433302823210ec4 [INFO] running `Command { std: "docker" "start" "-a" "3b90a5c562e2616c40dad99dd297b5716998a3ea9f7f81c97433302823210ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b90a5c562e2616c40dad99dd297b5716998a3ea9f7f81c97433302823210ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b90a5c562e2616c40dad99dd297b5716998a3ea9f7f81c97433302823210ec4", kill_on_drop: false }` [INFO] [stdout] 3b90a5c562e2616c40dad99dd297b5716998a3ea9f7f81c97433302823210ec4 [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb0cdd2e89aad2a9ce9a9bda5107a70044e60445d09c8f8fd7beab9d28775ebd [INFO] running `Command { std: "docker" "start" "-a" "fb0cdd2e89aad2a9ce9a9bda5107a70044e60445d09c8f8fd7beab9d28775ebd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling async-trait v0.1.74 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling backoff v0.4.0 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling tokio v1.33.0 [INFO] [stderr] Compiling tiny-tokio-actor v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::sync::broadcast::error::RecvError as EventRecvError` [INFO] [stdout] --> src/bus.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use tokio::sync::broadcast::error::RecvError as EventRecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.82s [INFO] running `Command { std: "docker" "inspect" "fb0cdd2e89aad2a9ce9a9bda5107a70044e60445d09c8f8fd7beab9d28775ebd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb0cdd2e89aad2a9ce9a9bda5107a70044e60445d09c8f8fd7beab9d28775ebd", kill_on_drop: false }` [INFO] [stdout] fb0cdd2e89aad2a9ce9a9bda5107a70044e60445d09c8f8fd7beab9d28775ebd [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 103d365c7d96c9c7bd740d916e9a5c5790b630d5caa56ba7aeb80a8d20720bad [INFO] running `Command { std: "docker" "start" "-a" "103d365c7d96c9c7bd740d916e9a5c5790b630d5caa56ba7aeb80a8d20720bad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling smallvec v1.11.1 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling http v0.2.9 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling percent-encoding v2.3.0 [INFO] [stderr] Compiling form_urlencoded v1.2.0 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling mio v0.8.9 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling tokio v1.33.0 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling cpufeatures v0.2.11 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling idna v0.4.0 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling url v2.4.1 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling multer v2.1.0 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling base64 v0.21.5 [INFO] [stderr] Compiling linux-raw-sys v0.4.10 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling httpdate v1.0.3 [INFO] [stderr] Compiling data-encoding v2.4.0 [INFO] [stderr] Compiling try-lock v0.2.4 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling tungstenite v0.20.1 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling http-body v0.4.5 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling encoding_rs v0.8.33 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling tower-service v0.3.2 [INFO] [stderr] Compiling backoff v0.4.0 [INFO] [stderr] Compiling is-terminal v0.4.9 [INFO] [stderr] Compiling headers v0.3.9 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling pin-project v1.1.3 [INFO] [stderr] Compiling rustls-pemfile v1.0.3 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling termcolor v1.3.0 [INFO] [stderr] Compiling tokio-util v0.7.10 [INFO] [stderr] Compiling tokio-stream v0.1.14 [INFO] [stderr] Compiling tokio-tungstenite v0.20.1 [INFO] [stderr] Compiling scoped-tls v1.0.1 [INFO] [stderr] Compiling futures v0.3.29 [INFO] [stderr] Compiling uuid v1.5.0 [INFO] [stderr] Compiling dotenvy v0.15.7 [INFO] [stderr] Compiling tiny-tokio-actor v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::sync::broadcast::error::RecvError as EventRecvError` [INFO] [stdout] --> src/bus.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use tokio::sync::broadcast::error::RecvError as EventRecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling h2 v0.3.21 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling env_logger v0.10.0 [INFO] [stderr] Compiling hyper v0.14.27 [INFO] [stderr] Compiling warp v0.3.6 [INFO] [stdout] warning: unused import: `tokio::sync::broadcast::error::RecvError as EventRecvError` [INFO] [stdout] --> src/bus.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use tokio::sync::broadcast::error::RecvError as EventRecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/timeout.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | struct TestEvent(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestEvent` has derived impls for the traits `Debug` and `Clone`, 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] --> tests/timeout.rs:28:20 [INFO] [stdout] | [INFO] [stdout] 28 | struct TestMessage(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/basic.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | struct TestEvent(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestEvent` has derived impls for the traits `Debug` and `Clone`, 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] --> tests/basic.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | struct TestMessage(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/websocket.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | struct ServerEvent(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `ServerEvent` has derived impls for the traits `Debug` and `Clone`, 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] --> tests/pingpong.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | struct EventMessage(String); [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `EventMessage` has derived impls for the traits `Debug` and `Clone`, 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] --> tests/multi.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | struct TestEvent(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestEvent` has derived impls for the traits `Debug` and `Clone`, 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] --> tests/multi.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 30 | struct TestMessage(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/actor/handler.rs:93:22 [INFO] [stdout] | [INFO] [stdout] 93 | struct MyMessage(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MyMessage` 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/actor/runner.rs:105:22 [INFO] [stdout] | [INFO] [stdout] 105 | struct TestEvent(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestMessage` is never constructed [INFO] [stdout] --> src/actor/runner.rs:245:12 [INFO] [stdout] | [INFO] [stdout] 245 | struct TestMessage(usize); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/system.rs:169:22 [INFO] [stdout] | [INFO] [stdout] 169 | struct TestEvent(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/system.rs:194:24 [INFO] [stdout] | [INFO] [stdout] 194 | struct TestMessage(usize); [INFO] [stdout] | ----------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `TestMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomError` is never constructed [INFO] [stdout] --> src/system.rs:276:12 [INFO] [stdout] | [INFO] [stdout] 276 | struct CustomError(String); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 46s [INFO] running `Command { std: "docker" "inspect" "103d365c7d96c9c7bd740d916e9a5c5790b630d5caa56ba7aeb80a8d20720bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "103d365c7d96c9c7bd740d916e9a5c5790b630d5caa56ba7aeb80a8d20720bad", kill_on_drop: false }` [INFO] [stdout] 103d365c7d96c9c7bd740d916e9a5c5790b630d5caa56ba7aeb80a8d20720bad