[INFO] fetching crate rudux 0.1.0... [INFO] checking rudux-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate rudux 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rudux 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rudux 0.1.0 [INFO] finished tweaking crates.io crate rudux 0.1.0 [INFO] tweaked toml for crates.io crate rudux 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 31 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04c93ad9748f0cb3a2bd5ec55f5ab92b78cc349d096a4e8452d8e1582210ba9f [INFO] running `Command { std: "docker" "start" "-a" "04c93ad9748f0cb3a2bd5ec55f5ab92b78cc349d096a4e8452d8e1582210ba9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04c93ad9748f0cb3a2bd5ec55f5ab92b78cc349d096a4e8452d8e1582210ba9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c93ad9748f0cb3a2bd5ec55f5ab92b78cc349d096a4e8452d8e1582210ba9f", kill_on_drop: false }` [INFO] [stdout] 04c93ad9748f0cb3a2bd5ec55f5ab92b78cc349d096a4e8452d8e1582210ba9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84bdda220dc2360446ae9ce3869df107cb0aecc222c59d19dc98189ab4bc3dca [INFO] running `Command { std: "docker" "start" "-a" "84bdda220dc2360446ae9ce3869df107cb0aecc222c59d19dc98189ab4bc3dca", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rudux v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/store.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | let state = state2.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn with_state(mut self, state: State) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `events` is never read [INFO] [stdout] --> src/store.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct StoreProxy [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | events: Arc>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/store.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | let state = state2.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn with_state(mut self, state: State) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proxy` [INFO] [stdout] --> src/store.rs:290:53 [INFO] [stdout] | [INFO] [stdout] 290 | let store = store.add_middleware_sync(move |proxy, evt, next| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proxy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proxy` [INFO] [stdout] --> src/store.rs:303:53 [INFO] [stdout] | [INFO] [stdout] 303 | let store = store.add_middleware_sync(move |proxy, evt, next| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proxy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `events` is never read [INFO] [stdout] --> src/store.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct StoreProxy [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | events: Arc>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Decrement` is never constructed [INFO] [stdout] --> src/store.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum TestEvent { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 259 | Increment, [INFO] [stdout] 260 | Decrement, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s [INFO] running `Command { std: "docker" "inspect" "84bdda220dc2360446ae9ce3869df107cb0aecc222c59d19dc98189ab4bc3dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84bdda220dc2360446ae9ce3869df107cb0aecc222c59d19dc98189ab4bc3dca", kill_on_drop: false }` [INFO] [stdout] 84bdda220dc2360446ae9ce3869df107cb0aecc222c59d19dc98189ab4bc3dca