[INFO] fetching crate daikin_altherma 0.0.2...
[INFO] checking daikin_altherma-0.0.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate daikin_altherma 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate daikin_altherma 0.0.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate daikin_altherma 0.0.2
[INFO] finished tweaking crates.io crate daikin_altherma 0.0.2
[INFO] tweaked toml for crates.io crate daikin_altherma 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate daikin_altherma 0.0.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8efb46aa2984d5f14ea7a9535f124e98c8bed7b0d41f4c7eabf47d9da5d5e938
[INFO] running `Command { std: "docker" "start" "-a" "8efb46aa2984d5f14ea7a9535f124e98c8bed7b0d41f4c7eabf47d9da5d5e938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8efb46aa2984d5f14ea7a9535f124e98c8bed7b0d41f4c7eabf47d9da5d5e938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efb46aa2984d5f14ea7a9535f124e98c8bed7b0d41f4c7eabf47d9da5d5e938", kill_on_drop: false }`
[INFO] [stdout] 8efb46aa2984d5f14ea7a9535f124e98c8bed7b0d41f4c7eabf47d9da5d5e938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ceb19dcd99727de27ba3bbecded25e4cb22f19afea12001d20fade0da89b017
[INFO] running `Command { std: "docker" "start" "-a" "4ceb19dcd99727de27ba3bbecded25e4cb22f19afea12001d20fade0da89b017", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking daikin_altherma v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> examples/temperature.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     a.set_heating_setpoint_temperature(20.0);
[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] 7 |     let _ = a.set_heating_setpoint_temperature(20.0);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> examples/get_values.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     a.set_tank_powerful(false);
[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] 8 |     let _ = a.set_tank_powerful(false);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "4ceb19dcd99727de27ba3bbecded25e4cb22f19afea12001d20fade0da89b017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ceb19dcd99727de27ba3bbecded25e4cb22f19afea12001d20fade0da89b017", kill_on_drop: false }`
[INFO] [stdout] 4ceb19dcd99727de27ba3bbecded25e4cb22f19afea12001d20fade0da89b017