[INFO] fetching crate mqtt-benchmark 0.2.4... [INFO] testing mqtt-benchmark-0.2.4 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate mqtt-benchmark 0.2.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate mqtt-benchmark 0.2.4 [INFO] finished tweaking crates.io crate mqtt-benchmark 0.2.4 [INFO] tweaked toml for crates.io crate mqtt-benchmark 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mqtt-benchmark 0.2.4 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mqtt-benchmark 0.2.4 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e56edb73c8d9ec1a0432140aafa0397bb6faf253c90e62ff7314e523e112f1df [INFO] running `Command { std: "docker" "start" "-a" "e56edb73c8d9ec1a0432140aafa0397bb6faf253c90e62ff7314e523e112f1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e56edb73c8d9ec1a0432140aafa0397bb6faf253c90e62ff7314e523e112f1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e56edb73c8d9ec1a0432140aafa0397bb6faf253c90e62ff7314e523e112f1df", kill_on_drop: false }` [INFO] [stdout] e56edb73c8d9ec1a0432140aafa0397bb6faf253c90e62ff7314e523e112f1df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1443df257465e6109563421e939e18fa3855f07cfdf64784530bc25ae5e309c3 [INFO] running `Command { std: "docker" "start" "-a" "1443df257465e6109563421e939e18fa3855f07cfdf64784530bc25ae5e309c3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling cc v1.0.99 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling litemap v0.7.3 [INFO] [stderr] Compiling rustls-pki-types v1.7.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Compiling anstyle-parse v0.2.4 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling anstyle v1.0.7 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Compiling colorchoice v1.0.1 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.0 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling anstyle-query v1.1.0 [INFO] [stderr] Compiling clap_lex v0.7.1 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling rustls-pemfile v2.1.2 [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling flume v0.11.0 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling rustls-native-certs v0.7.0 [INFO] [stderr] Compiling time v0.3.36 [INFO] [stderr] Compiling awaitgroup v0.7.0 [INFO] [stderr] Compiling clap_builder v4.5.7 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling rustls-webpki v0.102.4 [INFO] [stderr] Compiling zerofrom-derive v0.1.4 [INFO] [stderr] Compiling yoke-derive v0.7.4 [INFO] [stderr] Compiling zerovec-derive v0.10.2 [INFO] [stderr] Compiling displaydoc v0.2.4 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling clap_derive v4.5.5 [INFO] [stderr] Compiling tokio v1.38.0 [INFO] [stderr] Compiling zerofrom v0.1.4 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling yoke v0.7.4 [INFO] [stderr] Compiling clap v4.5.7 [INFO] [stderr] Compiling zerovec v0.10.2 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling icu_properties v1.5.0 [INFO] [stderr] Compiling tokio-rustls v0.25.0 [INFO] [stderr] Compiling rumqttc v0.24.0 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling idna v1.0.0 [INFO] [stderr] Compiling url v2.5.1 [INFO] [stderr] Compiling mqtt-benchmark v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `time::ext::InstantExt` instead [INFO] [stdout] --> src/main.rs:95:27 [INFO] [stdout] | [INFO] [stdout] 95 | let start = time::Instant::now(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `time::ext::InstantExt` instead [INFO] [stdout] --> src/main.rs:168:27 [INFO] [stdout] | [INFO] [stdout] 168 | let start = time::Instant::now(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "1443df257465e6109563421e939e18fa3855f07cfdf64784530bc25ae5e309c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1443df257465e6109563421e939e18fa3855f07cfdf64784530bc25ae5e309c3", kill_on_drop: false }` [INFO] [stdout] 1443df257465e6109563421e939e18fa3855f07cfdf64784530bc25ae5e309c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a3be5ebf64214105d2444d35b7678058df927ae67eb0484d281ad4dc851a326 [INFO] running `Command { std: "docker" "start" "-a" "5a3be5ebf64214105d2444d35b7678058df927ae67eb0484d281ad4dc851a326", kill_on_drop: false }` [INFO] [stderr] Compiling mqtt-benchmark v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `time::ext::InstantExt` instead [INFO] [stdout] --> src/main.rs:95:27 [INFO] [stdout] | [INFO] [stdout] 95 | let start = time::Instant::now(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `time::Instant`: import `time::ext::InstantExt` instead [INFO] [stdout] --> src/main.rs:168:27 [INFO] [stdout] | [INFO] [stdout] 168 | let start = time::Instant::now(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "5a3be5ebf64214105d2444d35b7678058df927ae67eb0484d281ad4dc851a326", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a3be5ebf64214105d2444d35b7678058df927ae67eb0484d281ad4dc851a326", kill_on_drop: false }` [INFO] [stdout] 5a3be5ebf64214105d2444d35b7678058df927ae67eb0484d281ad4dc851a326 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 267b6e5cbd5a1ad3cc763e27a6f20ca2bfe5fcd3f809c2e647379b6e033bab90 [INFO] running `Command { std: "docker" "start" "-a" "267b6e5cbd5a1ad3cc763e27a6f20ca2bfe5fcd3f809c2e647379b6e033bab90", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated struct `time::Instant`: import `time::ext::InstantExt` instead [INFO] [stderr] --> src/main.rs:95:27 [INFO] [stderr] | [INFO] [stderr] 95 | let start = time::Instant::now(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `time::Instant`: import `time::ext::InstantExt` instead [INFO] [stderr] --> src/main.rs:168:27 [INFO] [stderr] | [INFO] [stderr] 168 | let start = time::Instant::now(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `mqtt-benchmark` (bin "mqtt-benchmark" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mqtt_benchmark-ecdb617bf75a290a) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::benchmark ... ok [INFO] [stdout] test tests::client ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "267b6e5cbd5a1ad3cc763e27a6f20ca2bfe5fcd3f809c2e647379b6e033bab90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "267b6e5cbd5a1ad3cc763e27a6f20ca2bfe5fcd3f809c2e647379b6e033bab90", kill_on_drop: false }` [INFO] [stdout] 267b6e5cbd5a1ad3cc763e27a6f20ca2bfe5fcd3f809c2e647379b6e033bab90