[INFO] fetching crate tower-worker 0.1.0...
[INFO] testing tower-worker-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tower-worker 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate tower-worker 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-worker 0.1.0
[INFO] finished tweaking crates.io crate tower-worker 0.1.0
[INFO] tweaked toml for crates.io crate tower-worker 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c468e3029bda7de0fd5c681cfb340b7adca0a4693050936571784e79abd97af
[INFO] running `Command { std: "docker" "start" "-a" "2c468e3029bda7de0fd5c681cfb340b7adca0a4693050936571784e79abd97af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c468e3029bda7de0fd5c681cfb340b7adca0a4693050936571784e79abd97af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c468e3029bda7de0fd5c681cfb340b7adca0a4693050936571784e79abd97af", kill_on_drop: false }`
[INFO] [stdout] 2c468e3029bda7de0fd5c681cfb340b7adca0a4693050936571784e79abd97af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bafbd4a4abf2b5263fb37e4900942b112ff54de24bc5937acb828a8a3f970ecc
[INFO] running `Command { std: "docker" "start" "-a" "bafbd4a4abf2b5263fb37e4900942b112ff54de24bc5937acb828a8a3f970ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tower-worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "bafbd4a4abf2b5263fb37e4900942b112ff54de24bc5937acb828a8a3f970ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafbd4a4abf2b5263fb37e4900942b112ff54de24bc5937acb828a8a3f970ecc", kill_on_drop: false }`
[INFO] [stdout] bafbd4a4abf2b5263fb37e4900942b112ff54de24bc5937acb828a8a3f970ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96730b1d22029656764170de241856b3b6317c89ed402c4199cfd52f7c4b46f6
[INFO] running `Command { std: "docker" "start" "-a" "96730b1d22029656764170de241856b3b6317c89ed402c4199cfd52f7c4b46f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-worker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "96730b1d22029656764170de241856b3b6317c89ed402c4199cfd52f7c4b46f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96730b1d22029656764170de241856b3b6317c89ed402c4199cfd52f7c4b46f6", kill_on_drop: false }`
[INFO] [stdout] 96730b1d22029656764170de241856b3b6317c89ed402c4199cfd52f7c4b46f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d2a4eb06289f79ec99feeeb99d9b94d91b7d6eb466c8bc4644d023db7d5636f
[INFO] running `Command { std: "docker" "start" "-a" "4d2a4eb06289f79ec99feeeb99d9b94d91b7d6eb466c8bc4644d023db7d5636f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_worker-f15ab23d1fa91684)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-worker
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d2a4eb06289f79ec99feeeb99d9b94d91b7d6eb466c8bc4644d023db7d5636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2a4eb06289f79ec99feeeb99d9b94d91b7d6eb466c8bc4644d023db7d5636f", kill_on_drop: false }`
[INFO] [stdout] 4d2a4eb06289f79ec99feeeb99d9b94d91b7d6eb466c8bc4644d023db7d5636f