[INFO] cloning repository https://github.com/biplab5464/aggregator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biplab5464/aggregator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiplab5464%2Faggregator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiplab5464%2Faggregator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b2c0fedabd766c061bd80d72a86e1484cef351a7 [INFO] testing biplab5464/aggregator against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiplab5464%2Faggregator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/biplab5464/aggregator [INFO] finished tweaking git repo https://github.com/biplab5464/aggregator [INFO] tweaked toml for git repo https://github.com/biplab5464/aggregator written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/biplab5464/aggregator on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/biplab5464/aggregator 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded websockets v0.3.0 [INFO] [stderr] Downloaded smallvec v1.12.0 [INFO] [stderr] Downloaded bumpalo v3.15.0 [INFO] [stderr] Downloaded syn v2.0.49 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a7dfe6a930c2f221bb6c5d741bea2890ac31053ee0a7e3525aafc17da5fcc1e [INFO] running `Command { std: "docker" "start" "-a" "0a7dfe6a930c2f221bb6c5d741bea2890ac31053ee0a7e3525aafc17da5fcc1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a7dfe6a930c2f221bb6c5d741bea2890ac31053ee0a7e3525aafc17da5fcc1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a7dfe6a930c2f221bb6c5d741bea2890ac31053ee0a7e3525aafc17da5fcc1e", kill_on_drop: false }` [INFO] [stdout] 0a7dfe6a930c2f221bb6c5d741bea2890ac31053ee0a7e3525aafc17da5fcc1e [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca83ff46670d3148984ebb32b9401a10a2ae81c936c42c310b8bcf35a0282d52 [INFO] running `Command { std: "docker" "start" "-a" "ca83ff46670d3148984ebb32b9401a10a2ae81c936c42c310b8bcf35a0282d52", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling const-oid v0.9.6 [INFO] [stderr] Compiling smallvec v1.12.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling base64ct v1.6.0 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling zeroize v1.7.0 [INFO] [stderr] Compiling syn v2.0.49 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling num-bigint-dig v0.8.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling pem-rfc7468 v0.7.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] Compiling der v0.7.8 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling mio v0.8.10 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling regex-automata v0.4.5 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling signature v2.2.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling spki v0.7.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling chrono v0.4.34 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling pkcs8 v0.10.2 [INFO] [stderr] Compiling pkcs1 v0.7.5 [INFO] [stderr] Compiling openssl-sys v0.9.99 [INFO] [stderr] Compiling openssl v0.10.63 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling rsa v0.9.6 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling pin-project-internal v1.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Compiling tokio v1.36.0 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling pin-project v1.1.4 [INFO] [stderr] Compiling flume v0.10.14 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling websockets v0.3.0 [INFO] [stderr] Compiling aggregator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/server.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey` [INFO] [stdout] --> src/server.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey` [INFO] [stdout] --> src/client.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/client.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/client.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | for i in 0..5 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | tx.send(average); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] 74 | let _ = tx.send(average); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.64s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "ca83ff46670d3148984ebb32b9401a10a2ae81c936c42c310b8bcf35a0282d52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca83ff46670d3148984ebb32b9401a10a2ae81c936c42c310b8bcf35a0282d52", kill_on_drop: false }` [INFO] [stdout] ca83ff46670d3148984ebb32b9401a10a2ae81c936c42c310b8bcf35a0282d52 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91ca29889c3c0c41c7a4df4eb2c2a55d029794297fe9fa282c1f8fb3e9f841c1 [INFO] running `Command { std: "docker" "start" "-a" "91ca29889c3c0c41c7a4df4eb2c2a55d029794297fe9fa282c1f8fb3e9f841c1", kill_on_drop: false }` [INFO] [stderr] Compiling aggregator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/server.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey` [INFO] [stdout] --> src/server.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey` [INFO] [stdout] --> src/client.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/client.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/client.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | for i in 0..5 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | tx.send(average); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] 74 | let _ = tx.send(average); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "91ca29889c3c0c41c7a4df4eb2c2a55d029794297fe9fa282c1f8fb3e9f841c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91ca29889c3c0c41c7a4df4eb2c2a55d029794297fe9fa282c1f8fb3e9f841c1", kill_on_drop: false }` [INFO] [stdout] 91ca29889c3c0c41c7a4df4eb2c2a55d029794297fe9fa282c1f8fb3e9f841c1 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e4ff0ab4f01bff7770edd0bb593a63168dcb0d0afde8af6b082df5c2f4ebf630 [INFO] running `Command { std: "docker" "start" "-a" "e4ff0ab4f01bff7770edd0bb593a63168dcb0d0afde8af6b082df5c2f4ebf630", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/server.rs:2:21 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey` [INFO] [stderr] --> src/server.rs:3:11 [INFO] [stderr] | [INFO] [stderr] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Pkcs1v15Encrypt`, `RsaPrivateKey`, and `RsaPublicKey` [INFO] [stderr] --> src/client.rs:3:11 [INFO] [stderr] | [INFO] [stderr] 3 | use rsa::{Pkcs1v15Encrypt, RsaPrivateKey, RsaPublicKey}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/client.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/client.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | for i in 0..5 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/client.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | tx.send(average); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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] 74 | let _ = tx.send(average); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `aggregator` (bin "server" test) generated 2 warnings (run `cargo fix --bin "server" --tests` to apply 2 suggestions) [INFO] [stderr] warning: `aggregator` (bin "client" test) generated 4 warnings (run `cargo fix --bin "client" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/client.rs (/opt/rustwide/target/debug/deps/client-77c62797fc02268f) [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] [stderr] Running unittests src/server.rs (/opt/rustwide/target/debug/deps/server-df30e55a92bcc05f) [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" "e4ff0ab4f01bff7770edd0bb593a63168dcb0d0afde8af6b082df5c2f4ebf630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4ff0ab4f01bff7770edd0bb593a63168dcb0d0afde8af6b082df5c2f4ebf630", kill_on_drop: false }` [INFO] [stdout] e4ff0ab4f01bff7770edd0bb593a63168dcb0d0afde8af6b082df5c2f4ebf630