[INFO] fetching crate rumq-broker 0.1.0-alpha.10... [INFO] checking rumq-broker-0.1.0-alpha.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rumq-broker 0.1.0-alpha.10 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rumq-broker 0.1.0-alpha.10 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 crates.io crate rumq-broker 0.1.0-alpha.10 [INFO] finished tweaking crates.io crate rumq-broker 0.1.0-alpha.10 [INFO] tweaked toml for crates.io crate rumq-broker 0.1.0-alpha.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 72 packages [INFO] [stderr] Adding base64 v0.11.0 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding rustls v0.17.0 (latest: v0.23.4) [INFO] [stderr] Adding sct v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (latest: v2.2.0) [INFO] [stderr] Adding tokio-rustls v0.13.1 (latest: v0.26.0) [INFO] [stderr] Adding tokio-util v0.3.1 (latest: v0.7.10) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding webpki v0.21.4 (latest: v0.22.4) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 rumq-core v0.1.0-alpha.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ae4a43d1e6172d0a1d70ccb70d62b799392afcd4b0d9fa39d091c3f13c3e18e7 [INFO] running `Command { std: "docker" "start" "-a" "ae4a43d1e6172d0a1d70ccb70d62b799392afcd4b0d9fa39d091c3f13c3e18e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae4a43d1e6172d0a1d70ccb70d62b799392afcd4b0d9fa39d091c3f13c3e18e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae4a43d1e6172d0a1d70ccb70d62b799392afcd4b0d9fa39d091c3f13c3e18e7", kill_on_drop: false }` [INFO] [stdout] ae4a43d1e6172d0a1d70ccb70d62b799392afcd4b0d9fa39d091c3f13c3e18e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0eefdb2e6e4ef2590dd6dc649512560957ba0f44b337b9b58280b515ba0031d7 [INFO] running `Command { std: "docker" "start" "-a" "0eefdb2e6e4ef2590dd6dc649512560957ba0f44b337b9b58280b515ba0031d7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.17.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-rustls v0.13.1 [INFO] [stderr] Checking rumq-core v0.1.0-alpha.10 [INFO] [stderr] Checking rumq-broker v0.1.0-alpha.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/state.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::VecDeque, result::Result, time::Instant}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/state.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::VecDeque, result::Result, time::Instant}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_outgoing` is never read [INFO] [stdout] --> src/state.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct MqttState { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 54 | last_outgoing: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MqttState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `AllSendersDown` is never constructed [INFO] [stdout] --> src/router.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | AllSendersDown, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_outgoing` is never read [INFO] [stdout] --> src/state.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct MqttState { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 54 | last_outgoing: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MqttState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `AllSendersDown` is never constructed [INFO] [stdout] --> src/router.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | AllSendersDown, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.52s [INFO] running `Command { std: "docker" "inspect" "0eefdb2e6e4ef2590dd6dc649512560957ba0f44b337b9b58280b515ba0031d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eefdb2e6e4ef2590dd6dc649512560957ba0f44b337b9b58280b515ba0031d7", kill_on_drop: false }` [INFO] [stdout] 0eefdb2e6e4ef2590dd6dc649512560957ba0f44b337b9b58280b515ba0031d7