[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] checking laoning2008/asyncmsg-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaoning2008%2Fasyncmsg-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/laoning2008/asyncmsg-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 bytebuffer v2.2.0 [INFO] [stderr] Downloaded zerocopy v0.7.26 [INFO] [stderr] Downloaded zerocopy-derive v0.7.26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9de0318621f89aab063946099004da37a24ed2e901e8761f082ce281e9e14b92 [INFO] running `Command { std: "docker" "start" "-a" "9de0318621f89aab063946099004da37a24ed2e901e8761f082ce281e9e14b92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9de0318621f89aab063946099004da37a24ed2e901e8761f082ce281e9e14b92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9de0318621f89aab063946099004da37a24ed2e901e8761f082ce281e9e14b92", kill_on_drop: false }` [INFO] [stdout] 9de0318621f89aab063946099004da37a24ed2e901e8761f082ce281e9e14b92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5152ab30c4b3239e207420da54adda0488f9ce61d7a2c98783c43632c969ff39 [INFO] running `Command { std: "docker" "start" "-a" "5152ab30c4b3239e207420da54adda0488f9ce61d7a2c98783c43632c969ff39", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking bytebuffer v2.2.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking 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: 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: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: 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: 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: `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 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [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: 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: 3 warnings emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.87s [INFO] running `Command { std: "docker" "inspect" "5152ab30c4b3239e207420da54adda0488f9ce61d7a2c98783c43632c969ff39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5152ab30c4b3239e207420da54adda0488f9ce61d7a2c98783c43632c969ff39", kill_on_drop: false }` [INFO] [stdout] 5152ab30c4b3239e207420da54adda0488f9ce61d7a2c98783c43632c969ff39