[INFO] fetching crate observable-property-tokio 0.4.0...
[INFO] checking observable-property-tokio-0.4.0 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate observable-property-tokio 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate observable-property-tokio 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate observable-property-tokio 0.4.0
[INFO] tweaked toml for crates.io crate observable-property-tokio 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate observable-property-tokio 0.4.0 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate observable-property-tokio 0.4.0 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b05b35a840ba26727a98713a3b0056d0348cd617e36657993e2a748400a752b
[INFO] running `Command { std: "docker" "start" "-a" "9b05b35a840ba26727a98713a3b0056d0348cd617e36657993e2a748400a752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b05b35a840ba26727a98713a3b0056d0348cd617e36657993e2a748400a752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b05b35a840ba26727a98713a3b0056d0348cd617e36657993e2a748400a752b", kill_on_drop: false }`
[INFO] [stdout] 9b05b35a840ba26727a98713a3b0056d0348cd617e36657993e2a748400a752b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1d296fe798ea14b07e035b4b42034a9aee3c9dffbfce09a0c5a291ba5e32b0f
[INFO] running `Command { std: "docker" "start" "-a" "c1d296fe798ea14b07e035b4b42034a9aee3c9dffbfce09a0c5a291ba5e32b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking observable-property-tokio v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/reference_and_async_filtered.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/reference_and_async_filtered.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |         dataset.data = (0..10_000).map(|i| (i as f64 / 200.0)).collect();
[INFO] [stdout]    |                                            ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -         dataset.data = (0..10_000).map(|i| (i as f64 / 200.0)).collect();
[INFO] [stdout] 85 +         dataset.data = (0..10_000).map(|i| i as f64 / 200.0 ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/reference_and_async_filtered.rs:96:44
[INFO] [stdout]    |
[INFO] [stdout] 96 |         dataset.data = (0..10_000).map(|i| (i as f64 / 50.0)).collect();
[INFO] [stdout]    |                                            ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -         dataset.data = (0..10_000).map(|i| (i as f64 / 50.0)).collect();
[INFO] [stdout] 96 +         dataset.data = (0..10_000).map(|i| i as f64 / 50.0 ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> examples/reference_and_async_filtered.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |         dataset.data = (0..10_000).map(|i| (i as f64 / 25.0)).collect();
[INFO] [stdout]     |                                            ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -         dataset.data = (0..10_000).map(|i| (i as f64 / 25.0)).collect();
[INFO] [stdout] 112 +         dataset.data = (0..10_000).map(|i| i as f64 / 25.0 ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `property_default`
[INFO] [stdout]   --> examples/connection_pooling.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let property_default = ObservableProperty::new(0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_property_default`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> examples/complex_data_type.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 7 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/property_mapping.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.36s
[INFO] running `Command { std: "docker" "inspect" "c1d296fe798ea14b07e035b4b42034a9aee3c9dffbfce09a0c5a291ba5e32b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d296fe798ea14b07e035b4b42034a9aee3c9dffbfce09a0c5a291ba5e32b0f", kill_on_drop: false }`
[INFO] [stdout] c1d296fe798ea14b07e035b4b42034a9aee3c9dffbfce09a0c5a291ba5e32b0f
