[INFO] cloning repository https://github.com/Kay-cwc/rust-distributed-file-system [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kay-cwc/rust-distributed-file-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKay-cwc%2Frust-distributed-file-system", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKay-cwc%2Frust-distributed-file-system'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25deae446f998591e51b00e2ff459bc21451d2e7 [INFO] checking Kay-cwc/rust-distributed-file-system/25deae446f998591e51b00e2ff459bc21451d2e7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKay-cwc%2Frust-distributed-file-system" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Kay-cwc/rust-distributed-file-system 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 git repo https://github.com/Kay-cwc/rust-distributed-file-system [INFO] finished tweaking git repo https://github.com/Kay-cwc/rust-distributed-file-system [INFO] tweaked toml for git repo https://github.com/Kay-cwc/rust-distributed-file-system written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Kay-cwc/rust-distributed-file-system 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2cfc54e9ceedb79529760ef8db96672b4ff033ed8a58970b07d675ea903d24ba [INFO] running `Command { std: "docker" "start" "-a" "2cfc54e9ceedb79529760ef8db96672b4ff033ed8a58970b07d675ea903d24ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2cfc54e9ceedb79529760ef8db96672b4ff033ed8a58970b07d675ea903d24ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cfc54e9ceedb79529760ef8db96672b4ff033ed8a58970b07d675ea903d24ba", kill_on_drop: false }` [INFO] [stdout] 2cfc54e9ceedb79529760ef8db96672b4ff033ed8a58970b07d675ea903d24ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fc39967e57868636c02e395b95316610702f7965d3a63ef202c94bbb4cf3af7b [INFO] running `Command { std: "docker" "start" "-a" "fc39967e57868636c02e395b95316610702f7965d3a63ef202c94bbb4cf3af7b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking rust-distributed-file v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::char::MAX` [INFO] [stdout] --> src/transport/tcp.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::char::MAX; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::char::MAX` [INFO] [stdout] --> src/transport/tcp.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::char::MAX; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/transport/tcp.rs:229:25 [INFO] [stdout] | [INFO] [stdout] 228 | panic!("Error connecting to {}: {}", addr, e); [INFO] [stdout] | --------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 229 | return Err(e) [INFO] [stdout] | ^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/transport/tcp.rs:229:25 [INFO] [stdout] | [INFO] [stdout] 228 | panic!("Error connecting to {}: {}", addr, e); [INFO] [stdout] | --------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 229 | return Err(e) [INFO] [stdout] | ^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/server/mod.rs:215:17 [INFO] [stdout] | [INFO] [stdout] 215 | let peer = match self.peers.read().unwrap().get(&from) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peer` [INFO] [stdout] --> src/server/mod.rs:215:17 [INFO] [stdout] | [INFO] [stdout] 215 | let peer = match self.peers.read().unwrap().get(&from) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_peer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `MutexGuard<'_, std::sync::mpsc::Receiver>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/transport/tcp.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 196 | fn consume(self: Arc) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | self.msg_chan.1.lock().unwrap().recv_timeout(Duration::from_secs(1)) [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 `MutexGuard<'_, std::sync::mpsc::Receiver>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/transport/tcp.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 196 | fn consume(self: Arc) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | self.msg_chan.1.lock().unwrap().recv_timeout(Duration::from_secs(1)) [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-distributed-file` (bin "rust-distributed-file" test) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust-distributed-file` (bin "rust-distributed-file") due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fc39967e57868636c02e395b95316610702f7965d3a63ef202c94bbb4cf3af7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc39967e57868636c02e395b95316610702f7965d3a63ef202c94bbb4cf3af7b", kill_on_drop: false }` [INFO] [stdout] fc39967e57868636c02e395b95316610702f7965d3a63ef202c94bbb4cf3af7b