[INFO] fetching crate tower-discover 0.3.0...
[INFO] testing tower-discover-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tower-discover 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tower-discover 0.3.0 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-discover 0.3.0
[INFO] finished tweaking crates.io crate tower-discover 0.3.0
[INFO] tweaked toml for crates.io crate tower-discover 0.3.0 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 90e5bb4bcd3822c708e6de0e2002a7648692d2e17bd2b7fad7109c26184042c8
[INFO] running `Command { std: "docker" "start" "-a" "90e5bb4bcd3822c708e6de0e2002a7648692d2e17bd2b7fad7109c26184042c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e5bb4bcd3822c708e6de0e2002a7648692d2e17bd2b7fad7109c26184042c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e5bb4bcd3822c708e6de0e2002a7648692d2e17bd2b7fad7109c26184042c8", kill_on_drop: false }`
[INFO] [stdout] 90e5bb4bcd3822c708e6de0e2002a7648692d2e17bd2b7fad7109c26184042c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2671ff4e851cca0b91765ba2004a7d8f190751233f20a63c3db49501b4bffe81
[INFO] running `Command { std: "docker" "start" "-a" "2671ff4e851cca0b91765ba2004a7d8f190751233f20a63c3db49501b4bffe81", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tower-discover v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "2671ff4e851cca0b91765ba2004a7d8f190751233f20a63c3db49501b4bffe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2671ff4e851cca0b91765ba2004a7d8f190751233f20a63c3db49501b4bffe81", kill_on_drop: false }`
[INFO] [stdout] 2671ff4e851cca0b91765ba2004a7d8f190751233f20a63c3db49501b4bffe81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 02f259594c2b77d0dc6072c8a47b512b8d12c908aa5f36d6e51c2bbc4aa686d8
[INFO] running `Command { std: "docker" "start" "-a" "02f259594c2b77d0dc6072c8a47b512b8d12c908aa5f36d6e51c2bbc4aa686d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-discover v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "02f259594c2b77d0dc6072c8a47b512b8d12c908aa5f36d6e51c2bbc4aa686d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f259594c2b77d0dc6072c8a47b512b8d12c908aa5f36d6e51c2bbc4aa686d8", kill_on_drop: false }`
[INFO] [stdout] 02f259594c2b77d0dc6072c8a47b512b8d12c908aa5f36d6e51c2bbc4aa686d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 17136bcf21063f877173c2121f089d04b050482c2501dc869fe1c703b34078e4
[INFO] running `Command { std: "docker" "start" "-a" "17136bcf21063f877173c2121f089d04b050482c2501dc869fe1c703b34078e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_discover-36858efc01adf0c4)
[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-discover
[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" "17136bcf21063f877173c2121f089d04b050482c2501dc869fe1c703b34078e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17136bcf21063f877173c2121f089d04b050482c2501dc869fe1c703b34078e4", kill_on_drop: false }`
[INFO] [stdout] 17136bcf21063f877173c2121f089d04b050482c2501dc869fe1c703b34078e4