[INFO] cloning repository https://github.com/muratamuu/datamanager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muratamuu/datamanager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuratamuu%2Fdatamanager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuratamuu%2Fdatamanager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac371c9a2cd695158fd01875741eb7e62a7f981
[INFO] testing muratamuu/datamanager against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuratamuu%2Fdatamanager" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muratamuu/datamanager on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muratamuu/datamanager
[INFO] finished tweaking git repo https://github.com/muratamuu/datamanager
[INFO] tweaked toml for git repo https://github.com/muratamuu/datamanager written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/muratamuu/datamanager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f3652bed093d49fb1d7084d4a0d2bb4800d1b9762372cbf8d4fbffc6ac90333
[INFO] running `Command { std: "docker" "start" "-a" "3f3652bed093d49fb1d7084d4a0d2bb4800d1b9762372cbf8d4fbffc6ac90333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3652bed093d49fb1d7084d4a0d2bb4800d1b9762372cbf8d4fbffc6ac90333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3652bed093d49fb1d7084d4a0d2bb4800d1b9762372cbf8d4fbffc6ac90333", kill_on_drop: false }`
[INFO] [stdout] 3f3652bed093d49fb1d7084d4a0d2bb4800d1b9762372cbf8d4fbffc6ac90333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2681de7a26511af1c4754da48880f6a3fbaae0940f53692b74251ea75ab357cd
[INFO] running `Command { std: "docker" "start" "-a" "2681de7a26511af1c4754da48880f6a3fbaae0940f53692b74251ea75ab357cd", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.28
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Compiling syn v1.0.74
[INFO] [stderr] Compiling libc v0.2.120
[INFO] [stderr] Compiling futures-core v0.3.21
[INFO] [stderr] Compiling version_check v0.9.4
[INFO] [stderr] Compiling memchr v2.4.1
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Compiling cache-padded v1.2.0
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling fastrand v1.7.0
[INFO] [stderr] Compiling futures-io v0.3.21
[INFO] [stderr] Compiling parking v2.0.0
[INFO] [stderr] Compiling waker-fn v1.1.0
[INFO] [stderr] Compiling event-listener v2.5.2
[INFO] [stderr] Compiling pin-project-lite v0.2.8
[INFO] [stderr] Compiling concurrent-queue v1.2.2
[INFO] [stderr] Compiling once_cell v1.10.0
[INFO] [stderr] Compiling slab v0.4.5
[INFO] [stderr] Compiling serde_derive v1.0.127
[INFO] [stderr] Compiling async-task v4.2.0
[INFO] [stderr] Compiling signal-hook v0.3.13
[INFO] [stderr] Compiling crossbeam-utils v0.8.8
[INFO] [stderr] Compiling ryu v1.0.5
[INFO] [stderr] Compiling atomic-waker v1.0.0
[INFO] [stderr] Compiling serde v1.0.127
[INFO] [stderr] Compiling async-mutex v1.4.0
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling serde_json v1.0.66
[INFO] [stderr] Compiling async-lock v2.5.0
[INFO] [stderr] Compiling itoa v0.4.7
[INFO] [stderr] Compiling pin-utils v0.1.0
[INFO] [stderr] Compiling async-channel v1.6.1
[INFO] [stderr] Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr] Compiling futures-lite v1.12.0
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling socket2 v0.4.4
[INFO] [stderr] Compiling signal-hook-registry v1.4.0
[INFO] [stderr] Compiling num_cpus v1.13.1
[INFO] [stderr] Compiling blocking v1.2.0
[INFO] [stderr] Compiling async-executor v1.4.1
[INFO] [stderr] Compiling ctor v0.1.21
[INFO] [stderr] Compiling polling v2.2.0
[INFO] [stderr] Compiling kv-log-macro v1.0.7
[INFO] [stderr] Compiling async-io v1.6.0
[INFO] [stderr] Compiling async-process v1.3.0
[INFO] [stderr] Compiling async-global-executor v2.0.3
[INFO] [stderr] Compiling async-std v1.10.0
[INFO] [stderr] Compiling datamanager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "2681de7a26511af1c4754da48880f6a3fbaae0940f53692b74251ea75ab357cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2681de7a26511af1c4754da48880f6a3fbaae0940f53692b74251ea75ab357cd", kill_on_drop: false }`
[INFO] [stdout] 2681de7a26511af1c4754da48880f6a3fbaae0940f53692b74251ea75ab357cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 263132db114155b1b294ad53756960e948fb8017867b85a9beac25a4a2a3c210
[INFO] running `Command { std: "docker" "start" "-a" "263132db114155b1b294ad53756960e948fb8017867b85a9beac25a4a2a3c210", kill_on_drop: false }`
[INFO] [stderr] Compiling datamanager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout] --> src/connection.rs:292:48
[INFO] [stdout] |
[INFO] [stdout] 292 | fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll