[INFO] cloning repository https://github.com/Lukman-01/simple-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lukman-01/simple-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukman-01%2Fsimple-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukman-01%2Fsimple-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 518d37a4cf9191fb5a5b1ecc1bcadde43c962a7d [INFO] checking Lukman-01/simple-client/518d37a4cf9191fb5a5b1ecc1bcadde43c962a7d against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukman-01%2Fsimple-client" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lukman-01/simple-client on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lukman-01/simple-client [INFO] finished tweaking git repo https://github.com/Lukman-01/simple-client [INFO] tweaked toml for git repo https://github.com/Lukman-01/simple-client written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Lukman-01/simple-client 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 704c46e7ca0f54e02cbc6ccacc84d67cbe23fba009eb461689a851791a1e6371 [INFO] running `Command { std: "docker" "start" "-a" "704c46e7ca0f54e02cbc6ccacc84d67cbe23fba009eb461689a851791a1e6371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "704c46e7ca0f54e02cbc6ccacc84d67cbe23fba009eb461689a851791a1e6371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "704c46e7ca0f54e02cbc6ccacc84d67cbe23fba009eb461689a851791a1e6371", kill_on_drop: false }` [INFO] [stdout] 704c46e7ca0f54e02cbc6ccacc84d67cbe23fba009eb461689a851791a1e6371 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7253cec36d4e0bd978ac827f619ee9bae6afade6c2b5d53e5c524f0a0a1b970a [INFO] running `Command { std: "docker" "start" "-a" "7253cec36d4e0bd978ac827f619ee9bae6afade6c2b5d53e5c524f0a0a1b970a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking value-bag v1.6.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling rustix v0.38.30 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking futures-lite v2.2.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking async-lock v3.3.0 [INFO] [stderr] Checking async-channel v2.1.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking async-executor v1.8.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [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] Checking regex v1.10.3 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking tungstenite v0.14.0 [INFO] [stderr] Checking tungstenite v0.17.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.4 [INFO] [stderr] Checking polling v3.3.2 [INFO] [stderr] Checking async-io v2.3.0 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking async-tungstenite v0.18.0 [INFO] [stderr] Checking tokio-tungstenite v0.15.0 [INFO] [stderr] Checking simple-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `read_mode` is never used [INFO] [stdout] --> src/cache_read.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn read_mode() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compute_average.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 24 | let tx_clone = tx.clone(); // Clone the sender part of the channel for the new task. [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | match simulate_read_and_compute_average().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] warning: function `read_mode` is never used [INFO] [stdout] --> src/cache_read.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn read_mode() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compute_average.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 24 | let tx_clone = tx.clone(); // Clone the sender part of the channel for the new task. [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | match simulate_read_and_compute_average().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] [stderr] error: could not compile `simple-client` (bin "simple-client" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `simple-client` (bin "simple-client") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7253cec36d4e0bd978ac827f619ee9bae6afade6c2b5d53e5c524f0a0a1b970a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7253cec36d4e0bd978ac827f619ee9bae6afade6c2b5d53e5c524f0a0a1b970a", kill_on_drop: false }` [INFO] [stdout] 7253cec36d4e0bd978ac827f619ee9bae6afade6c2b5d53e5c524f0a0a1b970a