[INFO] fetching crate gadu 0.1.3... [INFO] testing gadu-0.1.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate gadu 0.1.3 into /workspace/builds/worker-48/source [INFO] validating manifest of crates.io crate gadu 0.1.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gadu 0.1.3 [INFO] finished tweaking crates.io crate gadu 0.1.3 [INFO] tweaked toml for crates.io crate gadu 0.1.3 written to /workspace/builds/worker-48/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f6d17d7b7e64af67d08a7e79567635510863e3ea7cd4037fbf6e61430564b75 [INFO] running `Command { std: "docker" "start" "-a" "0f6d17d7b7e64af67d08a7e79567635510863e3ea7cd4037fbf6e61430564b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f6d17d7b7e64af67d08a7e79567635510863e3ea7cd4037fbf6e61430564b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6d17d7b7e64af67d08a7e79567635510863e3ea7cd4037fbf6e61430564b75", kill_on_drop: false }` [INFO] [stdout] 0f6d17d7b7e64af67d08a7e79567635510863e3ea7cd4037fbf6e61430564b75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3883849c11118d046e8b025a1d91b940b68d391f6ae76ca0cdb81b590d2394a4 [INFO] running `Command { std: "docker" "start" "-a" "3883849c11118d046e8b025a1d91b940b68d391f6ae76ca0cdb81b590d2394a4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling hashbrown v0.1.8 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling gadu v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/conn.rs:378:53 [INFO] [stdout] | [INFO] [stdout] 378 | pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 378 - pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stdout] 378 + pub fn write(&mut self, buf: &[u8]) -> IoResult { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `return` value [INFO] [stdout] --> src/events.rs:83:20 [INFO] [stdout] | [INFO] [stdout] 83 | return { Err(e.to_string()) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 83 - return { Err(e.to_string()) }; [INFO] [stdout] 83 + return Err(e.to_string()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/network_server.rs:68:50 [INFO] [stdout] | [INFO] [stdout] 68 | fn server_loop(&self, net_event_handler: Arc) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn NetEvents` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_buffer` [INFO] [stdout] --> src/events.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut read_buffer = [0; 32768]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_handler` [INFO] [stdout] --> src/events.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | event_handler: &T, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/events.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | let mut read_buffer = [0; 32768]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close_connection` [INFO] [stdout] --> src/events.rs:404:8 [INFO] [stdout] | [INFO] [stdout] 404 | fn close_connection(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_event` [INFO] [stdout] --> src/events.rs:426:8 [INFO] [stdout] | [INFO] [stdout] 426 | fn handle_event(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.14s [INFO] running `Command { std: "docker" "inspect" "3883849c11118d046e8b025a1d91b940b68d391f6ae76ca0cdb81b590d2394a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3883849c11118d046e8b025a1d91b940b68d391f6ae76ca0cdb81b590d2394a4", kill_on_drop: false }` [INFO] [stdout] 3883849c11118d046e8b025a1d91b940b68d391f6ae76ca0cdb81b590d2394a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8aee02ff16045b9cd4007f077904e38b98a1ea0a612575da04ce7123a74a6306 [INFO] running `Command { std: "docker" "start" "-a" "8aee02ff16045b9cd4007f077904e38b98a1ea0a612575da04ce7123a74a6306", kill_on_drop: false }` [INFO] [stderr] Compiling gadu v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/conn.rs:378:53 [INFO] [stdout] | [INFO] [stdout] 378 | pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 378 - pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stdout] 378 + pub fn write(&mut self, buf: &[u8]) -> IoResult { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `return` value [INFO] [stdout] --> src/events.rs:83:20 [INFO] [stdout] | [INFO] [stdout] 83 | return { Err(e.to_string()) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 83 - return { Err(e.to_string()) }; [INFO] [stdout] 83 + return Err(e.to_string()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/network_server.rs:68:50 [INFO] [stdout] | [INFO] [stdout] 68 | fn server_loop(&self, net_event_handler: Arc) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn NetEvents` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_buffer` [INFO] [stdout] --> src/events.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut read_buffer = [0; 32768]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_handler` [INFO] [stdout] --> src/events.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | event_handler: &T, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/events.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | let mut read_buffer = [0; 32768]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close_connection` [INFO] [stdout] --> src/events.rs:404:8 [INFO] [stdout] | [INFO] [stdout] 404 | fn close_connection(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_event` [INFO] [stdout] --> src/events.rs:426:8 [INFO] [stdout] | [INFO] [stdout] 426 | fn handle_event(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/conn.rs:378:53 [INFO] [stdout] | [INFO] [stdout] 378 | pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 378 - pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stdout] 378 + pub fn write(&mut self, buf: &[u8]) -> IoResult { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `return` value [INFO] [stdout] --> src/events.rs:83:20 [INFO] [stdout] | [INFO] [stdout] 83 | return { Err(e.to_string()) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 83 - return { Err(e.to_string()) }; [INFO] [stdout] 83 + return Err(e.to_string()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/network_server.rs:68:50 [INFO] [stdout] | [INFO] [stdout] 68 | fn server_loop(&self, net_event_handler: Arc) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn NetEvents` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/lib.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::conn::Conn` [INFO] [stdout] --> src/lib.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | use crate::conn::Conn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::server::Server` [INFO] [stdout] --> src/lib.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | use crate::server::Server; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_buffer` [INFO] [stdout] --> src/events.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | let mut read_buffer = [0; 32768]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_handler` [INFO] [stdout] --> src/events.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | event_handler: &T, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/events.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | let mut read_buffer = [0; 32768]; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `close_connection` [INFO] [stdout] --> src/events.rs:404:8 [INFO] [stdout] | [INFO] [stdout] 404 | fn close_connection(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_event` [INFO] [stdout] --> src/events.rs:426:8 [INFO] [stdout] | [INFO] [stdout] 426 | fn handle_event(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "8aee02ff16045b9cd4007f077904e38b98a1ea0a612575da04ce7123a74a6306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aee02ff16045b9cd4007f077904e38b98a1ea0a612575da04ce7123a74a6306", kill_on_drop: false }` [INFO] [stdout] 8aee02ff16045b9cd4007f077904e38b98a1ea0a612575da04ce7123a74a6306 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 77c4afa2934c2fab9e59311831474d472396c64d6d42e709595d8259bb86a578 [INFO] running `Command { std: "docker" "start" "-a" "77c4afa2934c2fab9e59311831474d472396c64d6d42e709595d8259bb86a578", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/conn.rs:378:53 [INFO] [stderr] | [INFO] [stderr] 378 | pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 378 - pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stderr] 378 + pub fn write(&mut self, buf: &[u8]) -> IoResult { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `return` value [INFO] [stderr] --> src/events.rs:83:20 [INFO] [stderr] | [INFO] [stderr] 83 | return { Err(e.to_string()) }; [INFO] [stderr] | ^^ ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 83 - return { Err(e.to_string()) }; [INFO] [stderr] 83 + return Err(e.to_string()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/network_server.rs:68:50 [INFO] [stderr] | [INFO] [stderr] 68 | fn server_loop(&self, net_event_handler: Arc) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn NetEvents` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unused variable: `read_buffer` [INFO] [stderr] --> src/events.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | let mut read_buffer = [0; 32768]; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_buffer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_handler` [INFO] [stderr] --> src/events.rs:204:9 [INFO] [stderr] | [INFO] [stderr] 204 | event_handler: &T, [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_handler` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/events.rs:213:13 [INFO] [stderr] | [INFO] [stderr] 213 | let mut read_buffer = [0; 32768]; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `close_connection` [INFO] [stderr] --> src/events.rs:404:8 [INFO] [stderr] | [INFO] [stderr] 404 | fn close_connection(&self, id: usize, mut conn: &mut Conn, event_handler: &T) -> bool [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `handle_event` [INFO] [stderr] --> src/events.rs:426:8 [INFO] [stderr] | [INFO] [stderr] 426 | fn handle_event(&self, id:usize, mut conn: &mut Conn, mut read_buffer: &mut [u8], event_handler: &T) -> bool [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::conn::Conn` [INFO] [stderr] --> src/lib.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | use crate::conn::Conn; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::server::Server` [INFO] [stderr] --> src/lib.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | use crate::server::Server; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/lib.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `gadu` (lib) generated 8 warnings [INFO] [stderr] warning: `gadu` (lib test) generated 12 warnings (8 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/gadu-f02221771cb870f3) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests gadu [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/conn.rs:378:53 [INFO] [stderr] | [INFO] [stderr] 378 | pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 378 - pub fn write(&mut self, buf: &[u8]) -> IoResult<(usize)> { [INFO] [stderr] 378 + pub fn write(&mut self, buf: &[u8]) -> IoResult { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `return` value [INFO] [stderr] --> /opt/rustwide/workdir/src/events.rs:83:20 [INFO] [stderr] | [INFO] [stderr] 83 | return { Err(e.to_string()) }; [INFO] [stderr] | ^^ ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 83 - return { Err(e.to_string()) }; [INFO] [stderr] 83 + return Err(e.to_string()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "77c4afa2934c2fab9e59311831474d472396c64d6d42e709595d8259bb86a578", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c4afa2934c2fab9e59311831474d472396c64d6d42e709595d8259bb86a578", kill_on_drop: false }` [INFO] [stdout] 77c4afa2934c2fab9e59311831474d472396c64d6d42e709595d8259bb86a578