[INFO] cloning repository https://github.com/laoning2008/asyncmsg-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laoning2008/asyncmsg-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaoning2008%2Fasyncmsg-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaoning2008%2Fasyncmsg-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf272a817c58dce597662cc48703b750845e5359 [INFO] testing laoning2008/asyncmsg-rust against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaoning2008%2Fasyncmsg-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/laoning2008/asyncmsg-rust on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/laoning2008/asyncmsg-rust [INFO] finished tweaking git repo https://github.com/laoning2008/asyncmsg-rust [INFO] tweaked toml for git repo https://github.com/laoning2008/asyncmsg-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/laoning2008/asyncmsg-rust 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-targets v0.48.5 [INFO] [stderr] Downloaded tracing-core v0.1.32 [INFO] [stderr] Downloaded pin-project-lite v0.2.13 [INFO] [stderr] Downloaded once_cell v1.18.0 [INFO] [stderr] Downloaded tracing v0.1.40 [INFO] [stderr] Downloaded tokio-util v0.7.10 [INFO] [stderr] Downloaded quote v1.0.33 [INFO] [stderr] Downloaded android_system_properties v0.1.5 [INFO] [stderr] Downloaded byteorder v1.5.0 [INFO] [stderr] Downloaded futures-core v0.3.29 [INFO] [stderr] Downloaded proc-macro2 v1.0.69 [INFO] [stderr] Downloaded anyhow v1.0.75 [INFO] [stderr] Downloaded num-traits v0.2.17 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.88 [INFO] [stderr] Downloaded backtrace v0.3.69 [INFO] [stderr] Downloaded miniz_oxide v0.7.1 [INFO] [stderr] Downloaded bytes v1.5.0 [INFO] [stderr] Downloaded windows-core v0.51.1 [INFO] [stderr] Downloaded cc v1.0.83 [INFO] [stderr] Downloaded gimli v0.28.0 [INFO] [stderr] Downloaded object v0.32.1 [INFO] [stderr] Downloaded 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[stderr] Downloaded addr2line v0.21.0 [INFO] [stderr] Downloaded bytebuffer v2.2.0 [INFO] [stderr] Downloaded android-tzdata v0.1.1 [INFO] [stderr] Downloaded core-foundation-sys v0.8.4 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.5 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.5 [INFO] [stderr] Downloaded iana-time-zone-haiku v0.1.2 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.88 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.88 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.88 [INFO] [stderr] Downloaded futures-io v0.3.29 [INFO] [stderr] Downloaded futures-macro v0.3.29 [INFO] [stderr] Downloaded pin-utils v0.1.0 [INFO] [stderr] Downloaded allocator-api2 v0.2.16 [INFO] [stderr] Downloaded slab v0.4.9 [INFO] [stderr] Downloaded adler v1.0.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.23 [INFO] [stderr] Downloaded wasi v0.11.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded hermit-abi v0.3.3 [INFO] [stderr] Downloaded num_cpus v1.16.0 [INFO] [stderr] Downloaded lock_api v0.4.11 [INFO] [stderr] Downloaded redox_syscall v0.4.1 [INFO] [stderr] Downloaded smallvec v1.11.2 [INFO] [stderr] Downloaded parking_lot_core v0.9.9 [INFO] [stderr] Downloaded parking_lot v0.12.1 [INFO] [stderr] Downloaded signal-hook-registry v1.4.1 [INFO] [stderr] Downloaded socket2 v0.5.5 [INFO] [stderr] Downloaded unicode-ident v1.0.12 [INFO] [stderr] Downloaded version_check v0.9.4 [INFO] [stderr] Downloaded autocfg v1.1.0 [INFO] [stderr] Downloaded scopeguard v1.2.0 [INFO] [stderr] Downloaded bitflags v1.3.2 [INFO] [stderr] Downloaded tokio-macros v2.2.0 [INFO] [stderr] Downloaded windows-sys v0.48.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10c26f27bc4df43d654c32964b1ddfb5a17f262566e6ad0f28f4e8a25427760f [INFO] running `Command { std: "docker" "start" "-a" "10c26f27bc4df43d654c32964b1ddfb5a17f262566e6ad0f28f4e8a25427760f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10c26f27bc4df43d654c32964b1ddfb5a17f262566e6ad0f28f4e8a25427760f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10c26f27bc4df43d654c32964b1ddfb5a17f262566e6ad0f28f4e8a25427760f", kill_on_drop: false }` [INFO] [stdout] 10c26f27bc4df43d654c32964b1ddfb5a17f262566e6ad0f28f4e8a25427760f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0b3f5f7b509df792f54b4de0712b0674943421ea56cff65971668bef9586750 [INFO] running `Command { std: "docker" "start" "-a" "b0b3f5f7b509df792f54b4de0712b0674943421ea56cff65971668bef9586750", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling iana-time-zone v0.1.58 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling mio v0.8.9 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling bytebuffer v2.2.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling chrono v0.4.31 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tokio v1.34.0 [INFO] [stderr] Compiling tokio-util v0.7.10 [INFO] [stderr] Compiling asyncmsg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `req_receiver` is never read [INFO] [stdout] --> src/tcp/client.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | let mut req_receiver : Option> = None; [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp/server.rs:64:37 [INFO] [stdout] | [INFO] [stdout] 64 | pub async fn send_packet(&self, mut packet: Packet) -> Result<()> { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp/server.rs:78:55 [INFO] [stdout] | [INFO] [stdout] 78 | pub async fn send_packet_and_wait_response(&self, mut packet: Packet, timeout_seconds: u64, max_tries: u32) -> Result { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_receiver` is never read [INFO] [stdout] --> src/tcp/server.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut req_receiver : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> src/tcp/server.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let sender = conn_event_sender.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conn_id` [INFO] [stdout] --> src/tcp/server.rs:192:45 [INFO] [stdout] | [INFO] [stdout] 192 | ConnectionEvent::GotRequest(conn_id, packet) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.44s [INFO] running `Command { std: "docker" "inspect" "b0b3f5f7b509df792f54b4de0712b0674943421ea56cff65971668bef9586750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0b3f5f7b509df792f54b4de0712b0674943421ea56cff65971668bef9586750", kill_on_drop: false }` [INFO] [stdout] b0b3f5f7b509df792f54b4de0712b0674943421ea56cff65971668bef9586750 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ee3e248c929100697efbec72fce0674138acfbcc6449de79406dfa8bf416628 [INFO] running `Command { std: "docker" "start" "-a" "9ee3e248c929100697efbec72fce0674138acfbcc6449de79406dfa8bf416628", kill_on_drop: false }` [INFO] [stderr] Compiling asyncmsg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `req_receiver` is never read [INFO] [stdout] --> src/tcp/client.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | let mut req_receiver : Option> = None; [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp/server.rs:64:37 [INFO] [stdout] | [INFO] [stdout] 64 | pub async fn send_packet(&self, mut packet: Packet) -> Result<()> { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp/server.rs:78:55 [INFO] [stdout] | [INFO] [stdout] 78 | pub async fn send_packet_and_wait_response(&self, mut packet: Packet, timeout_seconds: u64, max_tries: u32) -> Result { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_receiver` is never read [INFO] [stdout] --> src/tcp/server.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut req_receiver : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> src/tcp/server.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let sender = conn_event_sender.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conn_id` [INFO] [stdout] --> src/tcp/server.rs:192:45 [INFO] [stdout] | [INFO] [stdout] 192 | ConnectionEvent::GotRequest(conn_id, packet) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::runtime::Runtime` [INFO] [stdout] --> examples/tcp_client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::runtime::Runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Result` [INFO] [stdout] --> examples/tcp_client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_receiver` is never read [INFO] [stdout] --> src/tcp/client.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | let mut req_receiver : Option> = None; [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp/server.rs:64:37 [INFO] [stdout] | [INFO] [stdout] 64 | pub async fn send_packet(&self, mut packet: Packet) -> Result<()> { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp/server.rs:78:55 [INFO] [stdout] | [INFO] [stdout] 78 | pub async fn send_packet_and_wait_response(&self, mut packet: Packet, timeout_seconds: u64, max_tries: u32) -> Result { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `req_receiver` is never read [INFO] [stdout] --> src/tcp/server.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | let mut req_receiver : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/tcp_client.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | handle.await; [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] 85 | let _ = handle.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> src/tcp/server.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let sender = conn_event_sender.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/tcp_server.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | handle.await; [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] 78 | let _ = handle.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conn_id` [INFO] [stdout] --> src/tcp/server.rs:192:45 [INFO] [stdout] | [INFO] [stdout] 192 | ConnectionEvent::GotRequest(conn_id, packet) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.14s [INFO] running `Command { std: "docker" "inspect" "9ee3e248c929100697efbec72fce0674138acfbcc6449de79406dfa8bf416628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ee3e248c929100697efbec72fce0674138acfbcc6449de79406dfa8bf416628", kill_on_drop: false }` [INFO] [stdout] 9ee3e248c929100697efbec72fce0674138acfbcc6449de79406dfa8bf416628 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4912229f061dc232be3edc20040d8e627fc5d5e14ab662e93dda5cf1dd184ac6 [INFO] running `Command { std: "docker" "start" "-a" "4912229f061dc232be3edc20040d8e627fc5d5e14ab662e93dda5cf1dd184ac6", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `req_receiver` is never read [INFO] [stderr] --> src/tcp/client.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | let mut req_receiver : Option> = None; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp/server.rs:64:37 [INFO] [stderr] | [INFO] [stderr] 64 | pub async fn send_packet(&self, mut packet: Packet) -> Result<()> { [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: variable does not need to be mutable [INFO] [stderr] --> src/tcp/server.rs:78:55 [INFO] [stderr] | [INFO] [stderr] 78 | pub async fn send_packet_and_wait_response(&self, mut packet: Packet, timeout_seconds: u64, max_tries: u32) -> Result { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `req_receiver` is never read [INFO] [stderr] --> src/tcp/server.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | let mut req_receiver : Option> = None; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sender` [INFO] [stderr] --> src/tcp/server.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let sender = conn_event_sender.clone(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `conn_id` [INFO] [stderr] --> src/tcp/server.rs:192:45 [INFO] [stderr] | [INFO] [stderr] 192 | ConnectionEvent::GotRequest(conn_id, packet) => { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conn_id` [INFO] [stderr] [INFO] [stderr] warning: `asyncmsg` (lib) generated 6 warnings (run `cargo fix --lib -p asyncmsg` to apply 2 suggestions) [INFO] [stderr] warning: `asyncmsg` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] warning: unused import: `tokio::runtime::Runtime` [INFO] [stderr] --> examples/tcp_client.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio::runtime::Runtime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow::Result` [INFO] [stderr] --> examples/tcp_client.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use anyhow::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/tcp_client.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | handle.await; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 85 | let _ = handle.await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/tcp_server.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | handle.await; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 78 | let _ = handle.await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `asyncmsg` (example "tcp_client") generated 3 warnings (run `cargo fix --example "tcp_client"` to apply 2 suggestions) [INFO] [stderr] warning: `asyncmsg` (example "tcp_server") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/asyncmsg-17c028f505652f4a) [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] [stderr] Running tests/tcp_client_test.rs (/opt/rustwide/target/debug/deps/tcp_client_test-bb4df6907483c453) [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] [stderr] Doc-tests asyncmsg [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" "4912229f061dc232be3edc20040d8e627fc5d5e14ab662e93dda5cf1dd184ac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4912229f061dc232be3edc20040d8e627fc5d5e14ab662e93dda5cf1dd184ac6", kill_on_drop: false }` [INFO] [stdout] 4912229f061dc232be3edc20040d8e627fc5d5e14ab662e93dda5cf1dd184ac6