[INFO] fetching crate observable-property-tokio 0.2.0...
[INFO] building observable-property-tokio-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate observable-property-tokio 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate observable-property-tokio 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate observable-property-tokio 0.2.0
[INFO] tweaked toml for crates.io crate observable-property-tokio 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate observable-property-tokio 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate observable-property-tokio 0.2.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 529acfa2d03ef6d7c4cb039a7e9a9c5fa333af0f66088c0c38b9399025790a59
[INFO] running `Command { std: "docker" "start" "-a" "529acfa2d03ef6d7c4cb039a7e9a9c5fa333af0f66088c0c38b9399025790a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529acfa2d03ef6d7c4cb039a7e9a9c5fa333af0f66088c0c38b9399025790a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529acfa2d03ef6d7c4cb039a7e9a9c5fa333af0f66088c0c38b9399025790a59", kill_on_drop: false }`
[INFO] [stdout] 529acfa2d03ef6d7c4cb039a7e9a9c5fa333af0f66088c0c38b9399025790a59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6a01f497cf8415dedcc4d22ef4daa29d474c281b1a24ed4a3a4895ad17f582
[INFO] running `Command { std: "docker" "start" "-a" "4a6a01f497cf8415dedcc4d22ef4daa29d474c281b1a24ed4a3a4895ad17f582", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling observable-property-tokio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "4a6a01f497cf8415dedcc4d22ef4daa29d474c281b1a24ed4a3a4895ad17f582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6a01f497cf8415dedcc4d22ef4daa29d474c281b1a24ed4a3a4895ad17f582", kill_on_drop: false }`
[INFO] [stdout] 4a6a01f497cf8415dedcc4d22ef4daa29d474c281b1a24ed4a3a4895ad17f582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faac47dbb82558598ab57e0a93bff41997a6b4791fc15b11aff0371eeeba0791
[INFO] running `Command { std: "docker" "start" "-a" "faac47dbb82558598ab57e0a93bff41997a6b4791fc15b11aff0371eeeba0791", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable-property-tokio v0.2.0 (/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: 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 `test` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "faac47dbb82558598ab57e0a93bff41997a6b4791fc15b11aff0371eeeba0791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faac47dbb82558598ab57e0a93bff41997a6b4791fc15b11aff0371eeeba0791", kill_on_drop: false }`
[INFO] [stdout] faac47dbb82558598ab57e0a93bff41997a6b4791fc15b11aff0371eeeba0791
