[INFO] cloning repository https://github.com/thomas-delalande/rust-playgroun [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomas-delalande/rust-playgroun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-delalande%2Frust-playgroun", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-delalande%2Frust-playgroun'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ebe6b670283d2a59af84188f517c95c890e9f4f [INFO] testing thomas-delalande/rust-playgroun against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-delalande%2Frust-playgroun" "/workspace/builds/worker-110/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomas-delalande/rust-playgroun 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 git repo https://github.com/thomas-delalande/rust-playgroun [INFO] finished tweaking git repo https://github.com/thomas-delalande/rust-playgroun [INFO] tweaked toml for git repo https://github.com/thomas-delalande/rust-playgroun written to /workspace/builds/worker-110/source/Cargo.toml [INFO] crate git repo https://github.com/thomas-delalande/rust-playgroun already has a lockfile, it will not be regenerated [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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] efed47477eb3aec9f72a9650f9186de4daedcf22543dc2629ff5db6f3e8625d0 [INFO] running `Command { std: "docker" "start" "-a" "efed47477eb3aec9f72a9650f9186de4daedcf22543dc2629ff5db6f3e8625d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efed47477eb3aec9f72a9650f9186de4daedcf22543dc2629ff5db6f3e8625d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efed47477eb3aec9f72a9650f9186de4daedcf22543dc2629ff5db6f3e8625d0", kill_on_drop: false }` [INFO] [stdout] efed47477eb3aec9f72a9650f9186de4daedcf22543dc2629ff5db6f3e8625d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 2fcb03ae250a333794b0d3ece31a3b4282b0216cac8f414a8cc58266b1083e68 [INFO] running `Command { std: "docker" "start" "-a" "2fcb03ae250a333794b0d3ece31a3b4282b0216cac8f414a8cc58266b1083e68", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling rmp v0.8.10 [INFO] [stderr] Compiling rmp-serde v0.15.5 [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MessageBus` [INFO] [stdout] --> src/message_bus.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct MessageBus { [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: `add_client` [INFO] [stdout] --> src/message_bus.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn add_client(&mut self, id: u32, stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unicast` [INFO] [stdout] --> src/message_bus.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn unicast(&self, id: u32, message: &str) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `broadcast` [INFO] [stdout] --> src/message_bus.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn broadcast(&self, message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | stream.shutdown(Shutdown::Both); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.01s [INFO] running `Command { std: "docker" "inspect" "2fcb03ae250a333794b0d3ece31a3b4282b0216cac8f414a8cc58266b1083e68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fcb03ae250a333794b0d3ece31a3b4282b0216cac8f414a8cc58266b1083e68", kill_on_drop: false }` [INFO] [stdout] 2fcb03ae250a333794b0d3ece31a3b4282b0216cac8f414a8cc58266b1083e68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 8d740c7d35ab70dde72c351c85fedf7d0a82153a3c1c7cceb317a4bcf1636869 [INFO] running `Command { std: "docker" "start" "-a" "8d740c7d35ab70dde72c351c85fedf7d0a82153a3c1c7cceb317a4bcf1636869", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MessageBus` [INFO] [stdout] --> src/message_bus.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct MessageBus { [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: `add_client` [INFO] [stdout] --> src/message_bus.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn add_client(&mut self, id: u32, stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unicast` [INFO] [stdout] --> src/message_bus.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn unicast(&self, id: u32, message: &str) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `broadcast` [INFO] [stdout] --> src/message_bus.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn broadcast(&self, message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | stream.shutdown(Shutdown::Both); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.72s [INFO] running `Command { std: "docker" "inspect" "8d740c7d35ab70dde72c351c85fedf7d0a82153a3c1c7cceb317a4bcf1636869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d740c7d35ab70dde72c351c85fedf7d0a82153a3c1c7cceb317a4bcf1636869", kill_on_drop: false }` [INFO] [stdout] 8d740c7d35ab70dde72c351c85fedf7d0a82153a3c1c7cceb317a4bcf1636869 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 3b71076fc2cdd1b9ae8157b019e3c89d7104f2b3bbaef537469612a66c43ae59 [INFO] running `Command { std: "docker" "start" "-a" "3b71076fc2cdd1b9ae8157b019e3c89d7104f2b3bbaef537469612a66c43ae59", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/main.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | use serde::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MessageBus` [INFO] [stderr] --> src/message_bus.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct MessageBus { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_client` [INFO] [stderr] --> src/message_bus.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn add_client(&mut self, id: u32, stream: TcpStream) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `unicast` [INFO] [stderr] --> src/message_bus.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn unicast(&self, id: u32, message: &str) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `broadcast` [INFO] [stderr] --> src/message_bus.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn broadcast(&self, message: &str) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | stream.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `server` (bin "server" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.47s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-8c2e6f4c11459f4f) [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" "3b71076fc2cdd1b9ae8157b019e3c89d7104f2b3bbaef537469612a66c43ae59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b71076fc2cdd1b9ae8157b019e3c89d7104f2b3bbaef537469612a66c43ae59", kill_on_drop: false }` [INFO] [stdout] 3b71076fc2cdd1b9ae8157b019e3c89d7104f2b3bbaef537469612a66c43ae59