[INFO] fetching crate enfync 0.1.6...
[INFO] checking enfync-0.1.6 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate enfync 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate enfync 0.1.6 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enfync 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate enfync 0.1.6
[INFO] tweaked toml for crates.io crate enfync 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmtimer v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38be3044637049568a4af742035952d03fcbb08cf22f65edd14db2bc4fce0758
[INFO] running `Command { std: "docker" "start" "-a" "38be3044637049568a4af742035952d03fcbb08cf22f65edd14db2bc4fce0758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38be3044637049568a4af742035952d03fcbb08cf22f65edd14db2bc4fce0758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38be3044637049568a4af742035952d03fcbb08cf22f65edd14db2bc4fce0758", kill_on_drop: false }`
[INFO] [stdout] 38be3044637049568a4af742035952d03fcbb08cf22f65edd14db2bc4fce0758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b8f1a1a6a70f49a6991a913621c4b20c09d91ed0007b59d4e6aef91370fdda
[INFO] running `Command { std: "docker" "start" "-a" "97b8f1a1a6a70f49a6991a913621c4b20c09d91ed0007b59d4e6aef91370fdda", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking enfync v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/spawners.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.spawn(task);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/spawners.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.spawn(task);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "97b8f1a1a6a70f49a6991a913621c4b20c09d91ed0007b59d4e6aef91370fdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b8f1a1a6a70f49a6991a913621c4b20c09d91ed0007b59d4e6aef91370fdda", kill_on_drop: false }`
[INFO] [stdout] 97b8f1a1a6a70f49a6991a913621c4b20c09d91ed0007b59d4e6aef91370fdda