[INFO] fetching crate charcoal-client 0.1.1... [INFO] checking charcoal-client-0.1.1 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743 [INFO] extracting crate charcoal-client 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate charcoal-client 0.1.1 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate charcoal-client 0.1.1 [INFO] finished tweaking crates.io crate charcoal-client 0.1.1 [INFO] tweaked toml for crates.io crate charcoal-client 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate charcoal-client 0.1.1 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snafu-derive v0.7.4 [INFO] [stderr] Downloaded uwl v0.6.0 [INFO] [stderr] Downloaded command_attr v0.4.1 [INFO] [stderr] Downloaded snafu v0.7.4 [INFO] [stderr] Downloaded levenshtein v1.0.5 [INFO] [stderr] Downloaded async_fn_traits v0.1.1 [INFO] [stderr] Downloaded hearth-interconnect v0.1.0 [INFO] [stderr] Downloaded nanoid v0.4.0 [INFO] [stderr] Downloaded rdkafka v0.31.0 [INFO] [stderr] Downloaded rdkafka-sys v4.4.0+1.9.2 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d230d72b0215963e2f330b55764dcb7289d31cb143294bc655fd45e3a7f77be [INFO] running `Command { std: "docker" "start" "-a" "8d230d72b0215963e2f330b55764dcb7289d31cb143294bc655fd45e3a7f77be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d230d72b0215963e2f330b55764dcb7289d31cb143294bc655fd45e3a7f77be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d230d72b0215963e2f330b55764dcb7289d31cb143294bc655fd45e3a7f77be", kill_on_drop: false }` [INFO] [stdout] 8d230d72b0215963e2f330b55764dcb7289d31cb143294bc655fd45e3a7f77be [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dace48e97bb399df967dfd61f2f1fb02a68e37d0d34be5e5dec2b1f8553a060 [INFO] running `Command { std: "docker" "start" "-a" "0dace48e97bb399df967dfd61f2f1fb02a68e37d0d34be5e5dec2b1f8553a060", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.58 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking untrusted v0.7.1 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[stderr] Checking async-tungstenite v0.17.2 [INFO] [stderr] Checking hyper-rustls v0.24.0 [INFO] [stderr] Checking reqwest v0.11.18 [INFO] [stderr] Checking rdkafka v0.31.0 [INFO] [stderr] Checking charcoal-client v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `handler` is never read [INFO] [stdout] --> examples/basic_music_bot.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/basic_music_bot.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/basic_music_bot.rs:218:13 [INFO] [stdout] | [INFO] [stdout] 218 | let mut handler: Option<&mut PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/basic_music_bot.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 240 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/basic_music_bot.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/basic_music_bot.rs:309:13 [INFO] [stdout] | [INFO] [stdout] 309 | let mut handler: Option<&mut PlayerObject> = 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/basic_music_bot.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | tokio::signal::ctrl_c().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] 89 | let _ = tokio::signal::ctrl_c().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/basic_music_bot.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | handler.join_channel(connect_to.to_string(),false).await; [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] 182 | let _ = handler.join_channel(connect_to.to_string(),false).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/basic_music_bot.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | handler.join_channel(connect_to.to_string(),true).await; [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] 190 | let _ = handler.join_channel(connect_to.to_string(),true).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/basic_music_bot.rs:265:13 [INFO] [stdout] | [INFO] [stdout] 265 | handler.exit_channel().await; [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] 265 | let _ = handler.exit_channel().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:265:13 [INFO] [stdout] | [INFO] [stdout] 265 | let mut handler: Option<&mut PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:286:13 [INFO] [stdout] | [INFO] [stdout] 286 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:306:13 [INFO] [stdout] | [INFO] [stdout] 306 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:355:13 [INFO] [stdout] | [INFO] [stdout] 355 | let mut handler: Option<&mut PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:398:13 [INFO] [stdout] | [INFO] [stdout] 398 | let mut handler: Option<&mut PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:438:17 [INFO] [stdout] | [INFO] [stdout] 438 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:465:13 [INFO] [stdout] | [INFO] [stdout] 465 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | let mut handler: Option<&PlayerObject> = 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 `handler` is never read [INFO] [stdout] --> examples/advanced_music_bot.rs:535:13 [INFO] [stdout] | [INFO] [stdout] 535 | let mut handler: Option<&PlayerObject> = 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/advanced_music_bot.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | tokio::signal::ctrl_c().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] 121 | let _ = tokio::signal::ctrl_c().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/advanced_music_bot.rs:311:13 [INFO] [stdout] | [INFO] [stdout] 311 | handler.exit_channel().await; [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] 311 | let _ = handler.exit_channel().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.41s [INFO] running `Command { std: "docker" "inspect" "0dace48e97bb399df967dfd61f2f1fb02a68e37d0d34be5e5dec2b1f8553a060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dace48e97bb399df967dfd61f2f1fb02a68e37d0d34be5e5dec2b1f8553a060", kill_on_drop: false }` [INFO] [stdout] 0dace48e97bb399df967dfd61f2f1fb02a68e37d0d34be5e5dec2b1f8553a060