[INFO] fetching crate nanocurrency-peering 0.6.0...
[INFO] testing nanocurrency-peering-0.6.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate nanocurrency-peering 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nanocurrency-peering 0.6.0 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 crates.io crate nanocurrency-peering 0.6.0
[INFO] finished tweaking crates.io crate nanocurrency-peering 0.6.0
[INFO] tweaked toml for crates.io crate nanocurrency-peering 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded curve25519-dalek v1.2.6
[INFO] [stderr] Downloaded blake2 v0.8.1
[INFO] [stderr] Downloaded clear_on_drop v0.2.5
[INFO] [stderr] Downloaded nanocurrency-types v0.3.19
[INFO] [stderr] Downloaded nanocurrency-protocol v0.5.1
[INFO] [stderr] Downloaded ed25519-dalek v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9418e51d52667c0eced58b48080103053564d5d67465aab431cae2c9e92f9c51
[INFO] running `Command { std: "docker" "start" "-a" "9418e51d52667c0eced58b48080103053564d5d67465aab431cae2c9e92f9c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9418e51d52667c0eced58b48080103053564d5d67465aab431cae2c9e92f9c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9418e51d52667c0eced58b48080103053564d5d67465aab431cae2c9e92f9c51", kill_on_drop: false }`
[INFO] [stdout] 9418e51d52667c0eced58b48080103053564d5d67465aab431cae2c9e92f9c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d39865dc9cb59f1486b5d723549fe4ce18d01eff86af041e2e99ef019e9e549f
[INFO] running `Command { std: "docker" "start" "-a" "d39865dc9cb59f1486b5d723549fe4ce18d01eff86af041e2e99ef019e9e549f", kill_on_drop: false }`
[INFO] [stderr] Compiling autocfg v1.1.0
[INFO] [stderr] Compiling cfg-if v0.1.10
[INFO] [stderr] Compiling typenum v1.16.0
[INFO] [stderr] Compiling maybe-uninit v2.0.0
[INFO] [stderr] Compiling futures v0.1.31
[INFO] [stderr] Compiling log v0.4.17
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling rand_core v0.4.2
[INFO] [stderr] Compiling byteorder v1.4.3
[INFO] [stderr] Compiling semver-parser v0.7.0
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling cc v1.0.77
[INFO] [stderr] Compiling scopeguard v1.1.0
[INFO] [stderr] Compiling proc-macro2 v1.0.47
[INFO] [stderr] Compiling iovec v0.1.4
[INFO] [stderr] Compiling net2 v0.2.38
[INFO] [stderr] Compiling num_cpus v1.14.0
[INFO] [stderr] Compiling lock_api v0.3.4
[INFO] [stderr] Compiling quote v1.0.21
[INFO] [stderr] Compiling semver v0.9.0
[INFO] [stderr] Compiling autocfg v0.1.8
[INFO] [stderr] Compiling bytes v0.4.12
[INFO] [stderr] Compiling rand_core v0.3.1
[INFO] [stderr] Compiling subtle v2.4.1
[INFO] [stderr] Compiling fnv v1.0.7
[INFO] [stderr] Compiling unicode-ident v1.0.5
[INFO] [stderr] Compiling rustc_version v0.2.3
[INFO] [stderr] Compiling smallvec v0.6.14
[INFO] [stderr] Compiling syn v1.0.105
[INFO] [stderr] Compiling rand_hc v0.1.0
[INFO] [stderr] Compiling rand_isaac v0.1.1
[INFO] [stderr] Compiling rand_xorshift v0.1.1
[INFO] [stderr] Compiling crossbeam-utils v0.7.2
[INFO] [stderr] Compiling slab v0.4.7
[INFO] [stderr] Compiling num-traits v0.2.15
[INFO] [stderr] Compiling memoffset v0.5.6
[INFO] [stderr] Compiling rand_chacha v0.1.1
[INFO] [stderr] Compiling rand_pcg v0.1.2
[INFO] [stderr] Compiling parking_lot_core v0.6.2
[INFO] [stderr] Compiling parking_lot v0.9.0
[INFO] [stderr] Compiling crossbeam-epoch v0.8.2
[INFO] [stderr] Compiling rand v0.6.5
[INFO] [stderr] Compiling num-integer v0.1.45
[INFO] [stderr] Compiling tokio-io v0.1.13
[INFO] [stderr] Compiling tokio-sync v0.1.8
[INFO] [stderr] Compiling rand_jitter v0.1.4
[INFO] [stderr] Compiling tokio-executor v0.1.10
[INFO] [stderr] Compiling mio v0.6.23
[INFO] [stderr] Compiling generic-array v0.12.4
[INFO] [stderr] Compiling rand_os v0.1.3
[INFO] [stderr] Compiling subtle v1.0.0
[INFO] [stderr] Compiling serde_derive v1.0.149
[INFO] [stderr] Compiling serde v1.0.149
[INFO] [stderr] Compiling digest v0.8.1
[INFO] [stderr] Compiling crossbeam-deque v0.7.4
[INFO] [stderr] Compiling tokio-codec v0.1.2
[INFO] [stderr] Compiling crypto-mac v0.7.0
[INFO] [stderr] Compiling crossbeam-queue v0.2.3
[INFO] [stderr] Compiling clear_on_drop v0.2.5
[INFO] [stderr] Compiling opaque-debug v0.2.3
[INFO] [stderr] Compiling failure v0.1.8
[INFO] [stderr] Compiling rustc-serialize v0.3.24
[INFO] [stderr] Compiling byte-tools v0.3.1
[INFO] [stderr] Compiling tokio-threadpool v0.1.18
[INFO] [stderr] Compiling hex v0.3.2
[INFO] [stderr] Compiling tokio-current-thread v0.1.7
[INFO] [stderr] Compiling tokio-timer v0.2.13
[INFO] [stderr] Compiling blake2 v0.8.1
[INFO] [stderr] Compiling slab v0.3.0
[INFO] [stderr] Compiling tokio-reactor v0.1.12
[INFO] [stderr] Compiling mio-uds v0.6.8
[INFO] [stderr] Compiling tokio-timer v0.1.2
[INFO] [stderr] Compiling curve25519-dalek v1.2.6
[INFO] [stderr] Compiling num-traits v0.1.43
[INFO] [stderr] Compiling tokio-fs v0.1.7
[INFO] [stderr] Compiling tokio-tcp v0.1.4
[INFO] [stderr] Compiling tokio-udp v0.1.6
[INFO] [stderr] Compiling tokio-uds v0.2.7
[INFO] [stderr] Compiling tokio v0.1.22
[INFO] [stderr] Compiling ed25519-dalek v0.9.1
[INFO] [stderr] Compiling num-bigint v0.1.44
[INFO] [stderr] Compiling nanocurrency-types v0.3.19
[INFO] [stderr] Compiling nanocurrency-protocol v0.5.1
[INFO] [stderr] Compiling nanocurrency-peering v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout] --> src/udp_framed.rs:42:39
[INFO] [stdout] |
[INFO] [stdout] 42 | fn poll(&mut self) -> Poll