[INFO] cloning repository https://github.com/rutaihwa/05_future_uses_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutaihwa/05_future_uses_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7528afd9a334e2d6f2df0522790a05f66fea3a3
[INFO] testing rutaihwa/05_future_uses_examples against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutaihwa/05_future_uses_examples on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rutaihwa/05_future_uses_examples
[INFO] finished tweaking git repo https://github.com/rutaihwa/05_future_uses_examples
[INFO] tweaked toml for git repo https://github.com/rutaihwa/05_future_uses_examples written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/rutaihwa/05_future_uses_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4e2b9194506f1715de4af06b50ffa03143611b56ce99b5201626c062054373
[INFO] running `Command { std: "docker" "start" "-a" "0b4e2b9194506f1715de4af06b50ffa03143611b56ce99b5201626c062054373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4e2b9194506f1715de4af06b50ffa03143611b56ce99b5201626c062054373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4e2b9194506f1715de4af06b50ffa03143611b56ce99b5201626c062054373", kill_on_drop: false }`
[INFO] [stdout] 0b4e2b9194506f1715de4af06b50ffa03143611b56ce99b5201626c062054373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac23bf04795994d4ea24c2212f8cabcc45617894c19228f43794a04479b0ed6c
[INFO] running `Command { std: "docker" "start" "-a" "ac23bf04795994d4ea24c2212f8cabcc45617894c19228f43794a04479b0ed6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "ac23bf04795994d4ea24c2212f8cabcc45617894c19228f43794a04479b0ed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac23bf04795994d4ea24c2212f8cabcc45617894c19228f43794a04479b0ed6c", kill_on_drop: false }`
[INFO] [stdout] ac23bf04795994d4ea24c2212f8cabcc45617894c19228f43794a04479b0ed6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f11309bfeb91ed34fddaabaab60a08a3a0ef7af9eb217b0250ec5f4da2d33cf9
[INFO] running `Command { std: "docker" "start" "-a" "f11309bfeb91ed34fddaabaab60a08a3a0ef7af9eb217b0250ec5f4da2d33cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "f11309bfeb91ed34fddaabaab60a08a3a0ef7af9eb217b0250ec5f4da2d33cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11309bfeb91ed34fddaabaab60a08a3a0ef7af9eb217b0250ec5f4da2d33cf9", kill_on_drop: false }`
[INFO] [stdout] f11309bfeb91ed34fddaabaab60a08a3a0ef7af9eb217b0250ec5f4da2d33cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3149122fabc88e12abc081bdc373d24e6cbedc15bc06018c160b9a612528027c
[INFO] running `Command { std: "docker" "start" "-a" "3149122fabc88e12abc081bdc373d24e6cbedc15bc06018c160b9a612528027c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures-c691472a6e8012ef)
[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" "3149122fabc88e12abc081bdc373d24e6cbedc15bc06018c160b9a612528027c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3149122fabc88e12abc081bdc373d24e6cbedc15bc06018c160b9a612528027c", kill_on_drop: false }`
[INFO] [stdout] 3149122fabc88e12abc081bdc373d24e6cbedc15bc06018c160b9a612528027c