[INFO] cloning repository https://github.com/VrMolodyakov/rust-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VrMolodyakov/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVrMolodyakov%2Frust-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVrMolodyakov%2Frust-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8a16c4a44668c0fde69408dfe2660f1b77d0fa5 [INFO] checking VrMolodyakov/rust-chat/c8a16c4a44668c0fde69408dfe2660f1b77d0fa5 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%2FVrMolodyakov%2Frust-chat" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/VrMolodyakov/rust-chat 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/VrMolodyakov/rust-chat [INFO] finished tweaking git repo https://github.com/VrMolodyakov/rust-chat [INFO] tweaked toml for git repo https://github.com/VrMolodyakov/rust-chat written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/VrMolodyakov/rust-chat 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f42a941512c691dae1fa341329d8cdaea3d7d442569d2f0736e3759db9c06fe6 [INFO] running `Command { std: "docker" "start" "-a" "f42a941512c691dae1fa341329d8cdaea3d7d442569d2f0736e3759db9c06fe6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f42a941512c691dae1fa341329d8cdaea3d7d442569d2f0736e3759db9c06fe6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f42a941512c691dae1fa341329d8cdaea3d7d442569d2f0736e3759db9c06fe6", kill_on_drop: false }` [INFO] [stdout] f42a941512c691dae1fa341329d8cdaea3d7d442569d2f0736e3759db9c06fe6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a9bdaa1fd5b58348d5566d43e4ffc3eaf2f11314d0c5886541bac7467e66b00e [INFO] running `Command { std: "docker" "start" "-a" "a9bdaa1fd5b58348d5566d43e4ffc3eaf2f11314d0c5886541bac7467e66b00e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling tokio v1.21.1 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking tracing-core v0.1.29 [INFO] [stderr] Checking cpufeatures v0.2.5 [INFO] [stderr] Checking percent-encoding v2.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Compiling thiserror v1.0.35 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking tracing v0.1.36 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unicode-normalization v0.1.21 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking iana-time-zone v0.1.48 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking block-buffer v0.10.3 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Checking multipart v0.18.0 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Checking sha1 v0.10.4 [INFO] [stderr] Checking headers v0.3.8 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling thiserror-impl v1.0.35 [INFO] [stderr] Compiling pin-project-internal v1.0.12 [INFO] [stderr] Checking pin-project v1.0.12 [INFO] [stderr] Checking tungstenite v0.14.0 [INFO] [stderr] Checking futures-executor v0.3.24 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stderr] Checking tokio-util v0.7.4 [INFO] [stderr] Checking tokio-tungstenite v0.15.0 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking h2 v0.3.14 [INFO] [stderr] Checking tokio-stream v0.1.9 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking uuid v1.1.2 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking warp v0.3.2 [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `once_cell::sync::Lazy` [INFO] [stdout] --> src/room.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use once_cell::sync::Lazy; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `once_cell::sync::Lazy` [INFO] [stdout] --> src/room.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use once_cell::sync::Lazy; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/room.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let receiver = UnboundedReceiverStream::new(receiver); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/room.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let receiver = UnboundedReceiverStream::new(receiver); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_MESSAGE_LENGTH` is never used [INFO] [stdout] --> src/room.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_MESSAGE_LENGTH: usize = 512; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `USERNAME_REGEX` is never used [INFO] [stdout] --> src/room.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | static USERNAME_REGEX: once_cell::sync::Lazy = [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `feed` is never read [INFO] [stdout] --> src/room.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct ChatRoom{ [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 33 | feed:RwLock [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `target_send`, `error`, `process`, `join_process`, and `post_process` are never used [INFO] [stdout] --> src/room.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl ChatRoom { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | fn target_send(&self,user_id:Uuid,output: Output){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn error(&self,user_id:Uuid,error:OutputError){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | async fn process(&self,input_message:UserInputMessage){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | async fn join_process(&self,user_id:Uuid,input:JoinInput){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | async fn post_process(&self,user_id:Uuid,input:PostInput){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `port` and `room` are never read [INFO] [stdout] --> src/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Server{ [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | port:u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | room:Arc, [INFO] [stdout] | ^^^^ [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/room.rs:21:35 [INFO] [stdout] | [INFO] [stdout] 21 | once_cell::sync::Lazy::new(|| regex::Regex::new("[A-Za-z\\s]{4,24}").unwrap()); [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; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_MESSAGE_LENGTH` is never used [INFO] [stdout] --> src/room.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_MESSAGE_LENGTH: usize = 512; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `USERNAME_REGEX` is never used [INFO] [stdout] --> src/room.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | static USERNAME_REGEX: once_cell::sync::Lazy = [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `feed` is never read [INFO] [stdout] --> src/room.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct ChatRoom{ [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 33 | feed:RwLock [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `target_send`, `error`, `process`, `join_process`, and `post_process` are never used [INFO] [stdout] --> src/room.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl ChatRoom { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | fn target_send(&self,user_id:Uuid,output: Output){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn error(&self,user_id:Uuid,error:OutputError){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | async fn process(&self,input_message:UserInputMessage){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | async fn join_process(&self,user_id:Uuid,input:JoinInput){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | async fn post_process(&self,user_id:Uuid,input:PostInput){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `port` and `room` are never read [INFO] [stdout] --> src/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Server{ [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | port:u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | room:Arc, [INFO] [stdout] | ^^^^ [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/room.rs:21:35 [INFO] [stdout] | [INFO] [stdout] 21 | once_cell::sync::Lazy::new(|| regex::Regex::new("[A-Za-z\\s]{4,24}").unwrap()); [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 `chat` (lib test) due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chat` (lib) due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a9bdaa1fd5b58348d5566d43e4ffc3eaf2f11314d0c5886541bac7467e66b00e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9bdaa1fd5b58348d5566d43e4ffc3eaf2f11314d0c5886541bac7467e66b00e", kill_on_drop: false }` [INFO] [stdout] a9bdaa1fd5b58348d5566d43e4ffc3eaf2f11314d0c5886541bac7467e66b00e