[INFO] fetching crate gossip 0.0.3... [INFO] testing gossip-0.0.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate gossip 0.0.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate gossip 0.0.3 [INFO] finished tweaking crates.io crate gossip 0.0.3 [INFO] tweaked toml for crates.io crate gossip 0.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gossip 0.0.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 111 packages to latest compatible versions [INFO] [stderr] Adding blake3 v0.3.8 (available: v1.8.2) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cef890547ffef475d4c6e6b2fed62da68b142f17a5f9e779421fe3297e89ef1 [INFO] running `Command { std: "docker" "start" "-a" "5cef890547ffef475d4c6e6b2fed62da68b142f17a5f9e779421fe3297e89ef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cef890547ffef475d4c6e6b2fed62da68b142f17a5f9e779421fe3297e89ef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cef890547ffef475d4c6e6b2fed62da68b142f17a5f9e779421fe3297e89ef1", kill_on_drop: false }` [INFO] [stdout] 5cef890547ffef475d4c6e6b2fed62da68b142f17a5f9e779421fe3297e89ef1 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02774f0dfd4dcb083ac9f5e0e969f4d940710cdef8b63459c21dd74cbf562b44 [INFO] running `Command { std: "docker" "start" "-a" "02774f0dfd4dcb083ac9f5e0e969f4d940710cdef8b63459c21dd74cbf562b44", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling arrayref v0.3.9 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling blake3 v0.3.8 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling generic-array v0.14.9 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling crypto-mac v0.8.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling gossip v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: value captured by `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 293 | let _ = std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 357 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 379 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.79s [INFO] running `Command { std: "docker" "inspect" "02774f0dfd4dcb083ac9f5e0e969f4d940710cdef8b63459c21dd74cbf562b44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02774f0dfd4dcb083ac9f5e0e969f4d940710cdef8b63459c21dd74cbf562b44", kill_on_drop: false }` [INFO] [stdout] 02774f0dfd4dcb083ac9f5e0e969f4d940710cdef8b63459c21dd74cbf562b44 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4431e2f6bc085b2ea298f9131c3101c9ddb380f602764026e307e5ec64523f7e [INFO] running `Command { std: "docker" "start" "-a" "4431e2f6bc085b2ea298f9131c3101c9ddb380f602764026e307e5ec64523f7e", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling destructure_traitobject v0.2.0 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling thread-id v5.0.0 [INFO] [stderr] Compiling mock_instant v0.6.0 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling humantime v2.3.0 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling unsafe-any-ors v1.0.0 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Compiling arc-swap v1.7.1 [INFO] [stderr] Compiling typemap-ors v1.0.0 [INFO] [stdout] warning: value captured by `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 293 | let _ = std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 357 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 379 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling ordered-float v2.10.1 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling serde-value v0.7.0 [INFO] [stderr] Compiling derive_more v2.0.1 [INFO] [stderr] Compiling log4rs v1.4.0 [INFO] [stderr] Compiling gossip v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: value captured by `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 293 | let _ = std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 357 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 379 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.50s [INFO] running `Command { std: "docker" "inspect" "4431e2f6bc085b2ea298f9131c3101c9ddb380f602764026e307e5ec64523f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4431e2f6bc085b2ea298f9131c3101c9ddb380f602764026e307e5ec64523f7e", kill_on_drop: false }` [INFO] [stdout] 4431e2f6bc085b2ea298f9131c3101c9ddb380f602764026e307e5ec64523f7e [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3dbe4223bc946f528f4236e964db22d15013a470cee2e2af25fef5dcba5ad6f7 [INFO] running `Command { std: "docker" "start" "-a" "3dbe4223bc946f528f4236e964db22d15013a470cee2e2af25fef5dcba5ad6f7", kill_on_drop: false }` [INFO] [stderr] warning: value captured by `error` is never read [INFO] [stderr] --> src/gossip.rs:331:17 [INFO] [stderr] | [INFO] [stderr] 331 | error = true; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: did you mean to capture by reference instead? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `error` is never read [INFO] [stderr] --> src/gossip.rs:331:17 [INFO] [stderr] | [INFO] [stderr] 331 | error = true; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/sampling.rs:293:13 [INFO] [stderr] | [INFO] [stderr] 293 | std::mem::replace(&mut self.peers, new_view_start); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 293 | let _ = std::mem::replace(&mut self.peers, new_view_start); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/sampling.rs:357:9 [INFO] [stderr] | [INFO] [stderr] 357 | std::mem::replace(&mut self.peers, new_view); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 357 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/sampling.rs:379:13 [INFO] [stderr] | [INFO] [stderr] 379 | std::mem::replace(&mut self.peers, new_view); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 379 | let _ = std::mem::replace(&mut self.peers, new_view); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `gossip` (lib) generated 5 warnings [INFO] [stderr] warning: `gossip` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gossip-fbf4ff886866a3c6) [INFO] [stdout] [INFO] [stderr] Doc-tests gossip [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3dbe4223bc946f528f4236e964db22d15013a470cee2e2af25fef5dcba5ad6f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dbe4223bc946f528f4236e964db22d15013a470cee2e2af25fef5dcba5ad6f7", kill_on_drop: false }` [INFO] [stdout] 3dbe4223bc946f528f4236e964db22d15013a470cee2e2af25fef5dcba5ad6f7