[INFO] fetching crate observable-property-tokio 0.2.0...
[INFO] building observable-property-tokio-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate observable-property-tokio 0.2.0 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate observable-property-tokio 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aea505efad99222cd2097106a1d3466bee6dfebe1ab6a6e190d8a6b416a2820
[INFO] running `Command { std: "docker" "start" "-a" "2aea505efad99222cd2097106a1d3466bee6dfebe1ab6a6e190d8a6b416a2820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aea505efad99222cd2097106a1d3466bee6dfebe1ab6a6e190d8a6b416a2820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aea505efad99222cd2097106a1d3466bee6dfebe1ab6a6e190d8a6b416a2820", kill_on_drop: false }`
[INFO] [stdout] 2aea505efad99222cd2097106a1d3466bee6dfebe1ab6a6e190d8a6b416a2820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052854c37da1bf76f197fbf1cf2d753a02e886bc21e2fd8d33ca6642b36fb601
[INFO] running `Command { std: "docker" "start" "-a" "052854c37da1bf76f197fbf1cf2d753a02e886bc21e2fd8d33ca6642b36fb601", 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 6.54s
[INFO] running `Command { std: "docker" "inspect" "052854c37da1bf76f197fbf1cf2d753a02e886bc21e2fd8d33ca6642b36fb601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052854c37da1bf76f197fbf1cf2d753a02e886bc21e2fd8d33ca6642b36fb601", kill_on_drop: false }`
[INFO] [stdout] 052854c37da1bf76f197fbf1cf2d753a02e886bc21e2fd8d33ca6642b36fb601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffe67fd9a8f9de225d54247490f7f5a6d270828b9d05e17d7996a6567a50309f
[INFO] running `Command { std: "docker" "start" "-a" "ffe67fd9a8f9de225d54247490f7f5a6d270828b9d05e17d7996a6567a50309f", 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: 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] [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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "ffe67fd9a8f9de225d54247490f7f5a6d270828b9d05e17d7996a6567a50309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe67fd9a8f9de225d54247490f7f5a6d270828b9d05e17d7996a6567a50309f", kill_on_drop: false }`
[INFO] [stdout] ffe67fd9a8f9de225d54247490f7f5a6d270828b9d05e17d7996a6567a50309f