[INFO] fetching crate faucet-server 1.0.3... [INFO] checking faucet-server-1.0.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate faucet-server 1.0.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate faucet-server 1.0.3 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] started tweaking crates.io crate faucet-server 1.0.3 [INFO] finished tweaking crates.io crate faucet-server 1.0.3 [INFO] tweaked toml for crates.io crate faucet-server 1.0.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate faucet-server 1.0.3 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1922487acaac39713fb8e866a16c61df5838b1b831c0ab7958c84a3eb3afa010 [INFO] running `Command { std: "docker" "start" "-a" "1922487acaac39713fb8e866a16c61df5838b1b831c0ab7958c84a3eb3afa010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1922487acaac39713fb8e866a16c61df5838b1b831c0ab7958c84a3eb3afa010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1922487acaac39713fb8e866a16c61df5838b1b831c0ab7958c84a3eb3afa010", kill_on_drop: false }` [INFO] [stdout] 1922487acaac39713fb8e866a16c61df5838b1b831c0ab7958c84a3eb3afa010 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 89be4cf0f095b2cd2a65ad5c467a783a864f696fd42f2935bb14bb8e17fa4c0c [INFO] running `Command { std: "docker" "start" "-a" "89be4cf0f095b2cd2a65ad5c467a783a864f696fd42f2935bb14bb8e17fa4c0c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking once_cell v1.20.0 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking tower v0.5.1 [INFO] [stderr] Checking clap_builder v4.5.17 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking ctrlc v3.4.5 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking clap v4.5.17 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking tungstenite v0.24.0 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking deadpool-runtime v0.1.4 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking tokio-stream v0.1.16 [INFO] [stderr] Checking tokio-tungstenite v0.24.0 [INFO] [stderr] Checking deadpool v0.12.1 [INFO] [stderr] Checking h2 v0.4.6 [INFO] [stderr] Checking serde_spanned v0.6.7 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking toml_edit v0.22.20 [INFO] [stderr] Checking toml v0.8.19 [INFO] [stderr] Checking hyper v1.4.1 [INFO] [stderr] Checking hyper-util v0.1.8 [INFO] [stderr] Checking faucet-server v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `OsStr` [INFO] [stdout] --> src/cli.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | ffi::{OsStr, OsString}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Hash` and `Hasher` [INFO] [stdout] --> src/client/load_balancing/ip_hash.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/client/load_balancing/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `OsStr` [INFO] [stdout] --> src/cli.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | ffi::{OsStr, OsString}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Hash` and `Hasher` [INFO] [stdout] --> src/client/load_balancing/ip_hash.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/client/load_balancing/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), hyper::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/router/mod.rs:185:33 [INFO] [stdout] | [INFO] [stdout] 174 | let mut conn = http1::Builder::new() [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 185 | if let Err(e) = conn.await { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), hyper::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/router/mod.rs:185:33 [INFO] [stdout] | [INFO] [stdout] 174 | let mut conn = http1::Builder::new() [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 185 | if let Err(e) = conn.await { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), hyper::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/mod.rs:233:33 [INFO] [stdout] | [INFO] [stdout] 222 | let mut conn = http1::Builder::new() [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 233 | if let Err(e) = conn.await { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), hyper::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/mod.rs:233:33 [INFO] [stdout] | [INFO] [stdout] 222 | let mut conn = http1::Builder::new() [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 233 | if let Err(e) = conn.await { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `tokio::process::Command` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/worker.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 109 | command: impl AsRef, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 110 | ) -> FaucetResult { [INFO] [stdout] 111 | tokio::process::Command::new(config.rscript) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faucet-server` (lib) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `hyper::Response` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/websockets.rs:343:37 [INFO] [stdout] | [INFO] [stdout] 320 | let server = tokio::spawn(async move { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 338 | let result = attempt_upgrade(req, client).await.unwrap(); [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 343 | UpgradeStatus::Upgraded(res) => { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `tokio::process::Command` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client/worker.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 109 | command: impl AsRef, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 110 | ) -> FaucetResult { [INFO] [stdout] 111 | tokio::process::Command::new(config.rscript) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:210:9 [INFO] [stdout] | [INFO] [stdout] 210 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:229:9 [INFO] [stdout] | [INFO] [stdout] 229 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:238:9 [INFO] [stdout] | [INFO] [stdout] 238 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:248:9 [INFO] [stdout] | [INFO] [stdout] 248 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:249:9 [INFO] [stdout] | [INFO] [stdout] 249 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:257:9 [INFO] [stdout] | [INFO] [stdout] 257 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:268:9 [INFO] [stdout] | [INFO] [stdout] 268 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:286:9 [INFO] [stdout] | [INFO] [stdout] 286 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:295:9 [INFO] [stdout] | [INFO] [stdout] 295 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:302:9 [INFO] [stdout] | [INFO] [stdout] 302 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:303:9 [INFO] [stdout] | [INFO] [stdout] 303 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | format!("{:?}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/error.rs:310:9 [INFO] [stdout] | [INFO] [stdout] 310 | format!("{}", err); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faucet-server` (lib test) due to 5 previous errors; 27 warnings emitted [INFO] running `Command { std: "docker" "inspect" "89be4cf0f095b2cd2a65ad5c467a783a864f696fd42f2935bb14bb8e17fa4c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89be4cf0f095b2cd2a65ad5c467a783a864f696fd42f2935bb14bb8e17fa4c0c", kill_on_drop: false }` [INFO] [stdout] 89be4cf0f095b2cd2a65ad5c467a783a864f696fd42f2935bb14bb8e17fa4c0c