[INFO] cloning repository https://github.com/skade/chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fchat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fchat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c26bcf8e7785c203a963d376f41dcb7eb30b937d [INFO] checking skade/chat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fchat" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/chat 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/skade/chat [INFO] finished tweaking git repo https://github.com/skade/chat [INFO] tweaked toml for git repo https://github.com/skade/chat written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/skade/chat 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] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.105 [INFO] [stderr] Downloaded flume v0.7.1 [INFO] [stderr] Downloaded serde v1.0.105 [INFO] [stderr] Downloaded serde_json v1.0.50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 40c634149fcdbbce70b54af28f7f1147430712d65a4517faad8d487b89374404 [INFO] running `Command { std: "docker" "start" "-a" "40c634149fcdbbce70b54af28f7f1147430712d65a4517faad8d487b89374404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40c634149fcdbbce70b54af28f7f1147430712d65a4517faad8d487b89374404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40c634149fcdbbce70b54af28f7f1147430712d65a4517faad8d487b89374404", kill_on_drop: false }` [INFO] [stdout] 40c634149fcdbbce70b54af28f7f1147430712d65a4517faad8d487b89374404 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4cd4c65107cd37fc018d1d3748c1139bdaca962686ca9b9355f0c6e4a846a018 [INFO] running `Command { std: "docker" "start" "-a" "4cd4c65107cd37fc018d1d3748c1139bdaca962686ca9b9355f0c6e4a846a018", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking flume v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking protocol v0.1.0 (/opt/rustwide/workdir/protocol) [INFO] [stderr] Checking client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> server/src/broker.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use flume::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> client/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> client/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> server/src/broker.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use flume::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LengthFilter` [INFO] [stdout] --> server/src/broker.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | use filters::{Filter, FilterMessage, LengthFilter}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `client_receiver` [INFO] [stdout] --> server/src/broker.rs:75:25 [INFO] [stdout] | [INFO] [stdout] 75 | let (client_sender, client_receiver) = flume::unbounded(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `text:` in this pattern is redundant [INFO] [stdout] --> server/src/broker.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | text: text, [INFO] [stdout] | ^^^^^^^^^^ help: use shorthand field pattern: `text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> client/src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | reader.join(); [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] 28 | let _ = reader.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> client/src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | writer.join(); [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] 29 | let _ = writer.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> client/src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | reader.join(); [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] 28 | let _ = reader.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> client/src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | writer.join(); [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] 29 | let _ = writer.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `text:` in this pattern is redundant [INFO] [stdout] --> server/src/broker.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | text: text, [INFO] [stdout] | ^^^^^^^^^^ help: use shorthand field pattern: `text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> server/src/bin/chat.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> server/src/bin/chat.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> server/src/bin/chat.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> server/src/bin/chat.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [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] --> server/src/bin/chat.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | sender.send(BrokerEvent::Connect(user.clone(), client_sender)); [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] 22 | let _ = sender.send(BrokerEvent::Connect(user.clone(), client_sender)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/bin/chat.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | sender.send(BrokerEvent::Sending { id: user.id.clone(), text: send.message.clone() }); [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] 39 | let _ = sender.send(BrokerEvent::Sending { id: user.id.clone(), text: send.message.clone() }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/bin/chat.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | sender.send(BrokerEvent::Connect(user.clone(), client_sender)); [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] 22 | let _ = sender.send(BrokerEvent::Connect(user.clone(), client_sender)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/bin/chat.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | sender.send(BrokerEvent::Sending { id: user.id.clone(), text: send.message.clone() }); [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] 39 | let _ = sender.send(BrokerEvent::Sending { id: user.id.clone(), text: send.message.clone() }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/bin/chat.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | broker_sender.send(BrokerEvent::Connect(user.clone(), client1_sender)); [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] 104 | let _ = broker_sender.send(BrokerEvent::Connect(user.clone(), client1_sender)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/bin/chat.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | broker_sender.send(BrokerEvent::Connect(user2.clone(), client2_sender)); [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] 105 | let _ = broker_sender.send(BrokerEvent::Connect(user2.clone(), client2_sender)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/bin/chat.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 107 | / broker_sender.send(BrokerEvent::Sending { [INFO] [stdout] 108 | | id: user.id, [INFO] [stdout] 109 | | text: "Hello!".into(), [INFO] [stdout] 110 | | }); [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] 107 | let _ = broker_sender.send(BrokerEvent::Sending { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.96s [INFO] running `Command { std: "docker" "inspect" "4cd4c65107cd37fc018d1d3748c1139bdaca962686ca9b9355f0c6e4a846a018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cd4c65107cd37fc018d1d3748c1139bdaca962686ca9b9355f0c6e4a846a018", kill_on_drop: false }` [INFO] [stdout] 4cd4c65107cd37fc018d1d3748c1139bdaca962686ca9b9355f0c6e4a846a018