[INFO] fetching crate tower-async 0.2.0...
[INFO] building tower-async-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tower-async 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tower-async 0.2.0
[INFO] finished tweaking crates.io crate tower-async 0.2.0
[INFO] tweaked toml for crates.io crate tower-async 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-async 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 35ca6fa867c4afa4976d9cd7740a1bf35e3ab95bc9ac85d26eb1cc62a00274f3
[INFO] running `Command { std: "docker" "start" "-a" "35ca6fa867c4afa4976d9cd7740a1bf35e3ab95bc9ac85d26eb1cc62a00274f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35ca6fa867c4afa4976d9cd7740a1bf35e3ab95bc9ac85d26eb1cc62a00274f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ca6fa867c4afa4976d9cd7740a1bf35e3ab95bc9ac85d26eb1cc62a00274f3", kill_on_drop: false }`
[INFO] [stdout] 35ca6fa867c4afa4976d9cd7740a1bf35e3ab95bc9ac85d26eb1cc62a00274f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1aafc56407e26b6f08377da3d5ccfd7b83aca71567cc70472490b52ccfd5bb29
[INFO] running `Command { std: "docker" "start" "-a" "1aafc56407e26b6f08377da3d5ccfd7b83aca71567cc70472490b52ccfd5bb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-async-layer v0.2.0
[INFO] [stderr]    Compiling tower-async-service v0.2.0
[INFO] [stderr]    Compiling tower-async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1aafc56407e26b6f08377da3d5ccfd7b83aca71567cc70472490b52ccfd5bb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aafc56407e26b6f08377da3d5ccfd7b83aca71567cc70472490b52ccfd5bb29", kill_on_drop: false }`
[INFO] [stdout] 1aafc56407e26b6f08377da3d5ccfd7b83aca71567cc70472490b52ccfd5bb29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3ae1f46aee202ad66b74b910562a1c20930c8943b83d79829b76f0319950d8fb
[INFO] running `Command { std: "docker" "start" "-a" "3ae1f46aee202ad66b74b910562a1c20930c8943b83d79829b76f0319950d8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tower-async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[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 14.56s
[INFO] running `Command { std: "docker" "inspect" "3ae1f46aee202ad66b74b910562a1c20930c8943b83d79829b76f0319950d8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae1f46aee202ad66b74b910562a1c20930c8943b83d79829b76f0319950d8fb", kill_on_drop: false }`
[INFO] [stdout] 3ae1f46aee202ad66b74b910562a1c20930c8943b83d79829b76f0319950d8fb