[INFO] cloning repository https://github.com/ProtoByter/pepechat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProtoByter/pepechat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtoByter%2Fpepechat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtoByter%2Fpepechat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1f67e41a6cb2be2c2b55ab2152284d949664ac9 [INFO] building ProtoByter/pepechat against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtoByter%2Fpepechat" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ProtoByter/pepechat on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ProtoByter/pepechat [INFO] finished tweaking git repo https://github.com/ProtoByter/pepechat [INFO] tweaked toml for git repo https://github.com/ProtoByter/pepechat written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ProtoByter/pepechat 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio v0.8.1 [INFO] [stderr] Downloaded syn v1.0.88 [INFO] [stderr] Downloaded libc v0.2.120 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 475fe9bd7aee4d77ffa005f3f985ec2c9019eb7b50790bc6958bc0ad811072b3 [INFO] running `Command { std: "docker" "start" "-a" "475fe9bd7aee4d77ffa005f3f985ec2c9019eb7b50790bc6958bc0ad811072b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "475fe9bd7aee4d77ffa005f3f985ec2c9019eb7b50790bc6958bc0ad811072b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "475fe9bd7aee4d77ffa005f3f985ec2c9019eb7b50790bc6958bc0ad811072b3", kill_on_drop: false }` [INFO] [stdout] 475fe9bd7aee4d77ffa005f3f985ec2c9019eb7b50790bc6958bc0ad811072b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6552df101b400ccc82e7556d888625d9329d5141efbf2dc74b27031de66bd975 [INFO] running `Command { std: "docker" "start" "-a" "6552df101b400ccc82e7556d888625d9329d5141efbf2dc74b27031de66bd975", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.120 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.88 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling tracker v0.1.0 (/opt/rustwide/workdir/pepechat-tracker/tracker) [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling mio v0.8.1 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling pepechat v0.1.0 (/opt/rustwide/workdir/pepechat) [INFO] [stderr] Compiling tracker-connector v0.1.0 (/opt/rustwide/workdir/pepechat-tracker/tracker-connector) [INFO] [stderr] Compiling test-connector v0.1.0 (/opt/rustwide/workdir/pepechat-test/test-connector) [INFO] [stderr] Compiling pepeclient v0.1.0 (/opt/rustwide/workdir/pepeclient) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut listener = TcpSocket::new_v4().unwrap(); [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: unused variable: `message` [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:50:38 [INFO] [stdout] | [INFO] [stdout] 50 | async fn send_message(&mut self, message: Message) -> Result<(), TestConnectorError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.disconnect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `disconnect` that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.disconnect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.disconnect(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | listener.bind(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), self.port as u16)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = listener.bind(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), self.port as u16)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s [INFO] running `Command { std: "docker" "inspect" "6552df101b400ccc82e7556d888625d9329d5141efbf2dc74b27031de66bd975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6552df101b400ccc82e7556d888625d9329d5141efbf2dc74b27031de66bd975", kill_on_drop: false }` [INFO] [stdout] 6552df101b400ccc82e7556d888625d9329d5141efbf2dc74b27031de66bd975 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3964e29a779cecdb64ece3443e3ad798c29c785d65339f00a15b06179395e116 [INFO] running `Command { std: "docker" "start" "-a" "3964e29a779cecdb64ece3443e3ad798c29c785d65339f00a15b06179395e116", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling tracker v0.1.0 (/opt/rustwide/workdir/pepechat-tracker/tracker) [INFO] [stderr] Compiling pepechat v0.1.0 (/opt/rustwide/workdir/pepechat) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut listener = TcpSocket::new_v4().unwrap(); [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: unused variable: `message` [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:50:38 [INFO] [stdout] | [INFO] [stdout] 50 | async fn send_message(&mut self, message: Message) -> Result<(), TestConnectorError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.disconnect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `disconnect` that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.disconnect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.disconnect(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | listener.bind(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), self.port as u16)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = listener.bind(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), self.port as u16)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracker-connector v0.1.0 (/opt/rustwide/workdir/pepechat-tracker/tracker-connector) [INFO] [stderr] Compiling test-connector v0.1.0 (/opt/rustwide/workdir/pepechat-test/test-connector) [INFO] [stderr] Compiling pepeclient v0.1.0 (/opt/rustwide/workdir/pepeclient) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut listener = TcpSocket::new_v4().unwrap(); [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: unused variable: `message` [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:50:38 [INFO] [stdout] | [INFO] [stdout] 50 | async fn send_message(&mut self, message: Message) -> Result<(), TestConnectorError> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.disconnect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `disconnect` that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.disconnect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.disconnect(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> pepechat-test/test-connector/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | listener.bind(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), self.port as u16)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = listener.bind(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), self.port as u16)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "3964e29a779cecdb64ece3443e3ad798c29c785d65339f00a15b06179395e116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3964e29a779cecdb64ece3443e3ad798c29c785d65339f00a15b06179395e116", kill_on_drop: false }` [INFO] [stdout] 3964e29a779cecdb64ece3443e3ad798c29c785d65339f00a15b06179395e116