[INFO] cloning repository https://github.com/MeexReay/easy_msg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MeexReay/easy_msg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeexReay%2Feasy_msg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeexReay%2Feasy_msg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a176ddc089013f0eaee48f5e00224ba3dceecb12 [INFO] checking MeexReay/easy_msg/a176ddc089013f0eaee48f5e00224ba3dceecb12 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%2FMeexReay%2Feasy_msg" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MeexReay/easy_msg 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/MeexReay/easy_msg [INFO] finished tweaking git repo https://github.com/MeexReay/easy_msg [INFO] tweaked toml for git repo https://github.com/MeexReay/easy_msg written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MeexReay/easy_msg 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 70fe6c5eeb6067226f8dbaa8fad4b310f163a06a7c06fcb28a91a3b51b0bd13a [INFO] running `Command { std: "docker" "start" "-a" "70fe6c5eeb6067226f8dbaa8fad4b310f163a06a7c06fcb28a91a3b51b0bd13a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70fe6c5eeb6067226f8dbaa8fad4b310f163a06a7c06fcb28a91a3b51b0bd13a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70fe6c5eeb6067226f8dbaa8fad4b310f163a06a7c06fcb28a91a3b51b0bd13a", kill_on_drop: false }` [INFO] [stdout] 70fe6c5eeb6067226f8dbaa8fad4b310f163a06a7c06fcb28a91a3b51b0bd13a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 432c65f64b74654fc92e77c73b9e647f6239ad58210a470b4e1fdefddb6cb96e [INFO] running `Command { std: "docker" "start" "-a" "432c65f64b74654fc92e77c73b9e647f6239ad58210a470b4e1fdefddb6cb96e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking phf_shared v0.11.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling thiserror v1.0.60 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking bytebuffer v2.2.0 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Compiling terminfo v0.8.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking getch v0.3.1 [INFO] [stderr] Compiling thiserror-impl v1.0.60 [INFO] [stderr] Checking which v6.0.1 [INFO] [stderr] Checking clearscreen v3.0.0 [INFO] [stderr] Checking easymsg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/chat/chat_client.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/chat/chat_server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RefCell` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::cell::{RefCell}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::pin::pin` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::pin::pin; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/chat/chat_client.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/chat/chat_server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RefCell` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::cell::{RefCell}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::pin::pin` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::pin::pin; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ind` is never read [INFO] [stdout] --> src/chat/chat_server.rs:154:25 [INFO] [stdout] | [INFO] [stdout] 154 | let mut ind: usize = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ind` is never read [INFO] [stdout] --> src/chat/chat_server.rs:154:25 [INFO] [stdout] | [INFO] [stdout] 154 | let mut ind: usize = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `meow` is never used [INFO] [stdout] --> src/chat/chat_client.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Console { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn meow(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `send_quit` is never used [INFO] [stdout] --> src/chat/chat_client.rs:167:12 [INFO] [stdout] | [INFO] [stdout] 94 | impl ChatClient { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | pub fn send_quit(stream: &mut TcpStream) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/chat/chat_packet.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl ChatPacket { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 48 | pub fn new(id: u8, buffer: ByteBuffer) -> ChatPacket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `meow` is never used [INFO] [stdout] --> src/chat/chat_client.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Console { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn meow(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `send_quit` is never used [INFO] [stdout] --> src/chat/chat_client.rs:167:12 [INFO] [stdout] | [INFO] [stdout] 94 | impl ChatClient { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | pub fn send_quit(stream: &mut TcpStream) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/chat/chat_packet.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl ChatPacket { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 48 | pub fn new(id: u8, buffer: ByteBuffer) -> ChatPacket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | / Console::run_input_loop( [INFO] [stdout] 40 | | console_copy, [INFO] [stdout] 41 | | ChatClient::on_enter, [INFO] [stdout] 42 | | &mut input_stream); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = Console::run_input_loop( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/chat/chat_server.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | println!("meow {}", MEOW_TIME); [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | / Console::run_input_loop( [INFO] [stdout] 40 | | console_copy, [INFO] [stdout] 41 | | ChatClient::on_enter, [INFO] [stdout] 42 | | &mut input_stream); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = Console::run_input_loop( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/chat/chat_server.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | println!("meow {}", MEOW_TIME); [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.53s [INFO] running `Command { std: "docker" "inspect" "432c65f64b74654fc92e77c73b9e647f6239ad58210a470b4e1fdefddb6cb96e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "432c65f64b74654fc92e77c73b9e647f6239ad58210a470b4e1fdefddb6cb96e", kill_on_drop: false }` [INFO] [stdout] 432c65f64b74654fc92e77c73b9e647f6239ad58210a470b4e1fdefddb6cb96e