[INFO] fetching crate tokio-futures-respawn 0.1.3...
[INFO] checking tokio-futures-respawn-0.1.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tokio-futures-respawn 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tokio-futures-respawn 0.1.3
[INFO] finished tweaking crates.io crate tokio-futures-respawn 0.1.3
[INFO] tweaked toml for crates.io crate tokio-futures-respawn 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-futures-respawn 0.1.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e22d35ed2e29114669434fd7f4a673010101caf42c3666aaa27c4a72d79496
[INFO] running `Command { std: "docker" "start" "-a" "34e22d35ed2e29114669434fd7f4a673010101caf42c3666aaa27c4a72d79496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e22d35ed2e29114669434fd7f4a673010101caf42c3666aaa27c4a72d79496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e22d35ed2e29114669434fd7f4a673010101caf42c3666aaa27c4a72d79496", kill_on_drop: false }`
[INFO] [stdout] 34e22d35ed2e29114669434fd7f4a673010101caf42c3666aaa27c4a72d79496
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96a667330fc5fda8ff9a6e59bdef0308c9ba5d3cd6bcc75984d2d6d35e642ad
[INFO] running `Command { std: "docker" "start" "-a" "c96a667330fc5fda8ff9a6e59bdef0308c9ba5d3cd6bcc75984d2d6d35e642ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tokio-futures-respawn v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TaskReturnsResult` is never constructed
[INFO] [stdout]    --> src/lib.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     struct TaskReturnsResult;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaskReturnsVoid` is never constructed
[INFO] [stdout]    --> src/lib.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 |     struct TaskReturnsVoid;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "c96a667330fc5fda8ff9a6e59bdef0308c9ba5d3cd6bcc75984d2d6d35e642ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96a667330fc5fda8ff9a6e59bdef0308c9ba5d3cd6bcc75984d2d6d35e642ad", kill_on_drop: false }`
[INFO] [stdout] c96a667330fc5fda8ff9a6e59bdef0308c9ba5d3cd6bcc75984d2d6d35e642ad