[INFO] fetching crate prose_chan 0.1.1...
[INFO] checking prose_chan-0.1.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate prose_chan 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate prose_chan 0.1.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prose_chan 0.1.1
[INFO] finished tweaking crates.io crate prose_chan 0.1.1
[INFO] tweaked toml for crates.io crate prose_chan 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate prose_chan 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9d47bf31bd83b7d7d8c2f905601f36eebb17914c5af794a922f014f1b27a8a7
[INFO] running `Command { std: "docker" "start" "-a" "e9d47bf31bd83b7d7d8c2f905601f36eebb17914c5af794a922f014f1b27a8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d47bf31bd83b7d7d8c2f905601f36eebb17914c5af794a922f014f1b27a8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d47bf31bd83b7d7d8c2f905601f36eebb17914c5af794a922f014f1b27a8a7", kill_on_drop: false }`
[INFO] [stdout] e9d47bf31bd83b7d7d8c2f905601f36eebb17914c5af794a922f014f1b27a8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 662062ffbbf3cf3da18708fc155d7265ffb1aa1b364d8d6c546ef9a5a6e119d9
[INFO] running `Command { std: "docker" "start" "-a" "662062ffbbf3cf3da18708fc155d7265ffb1aa1b364d8d6c546ef9a5a6e119d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]    Compiling rand_chacha v0.2.1
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[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking socket2 v0.3.11
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[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/socket2-0.3.11/src/sockaddr.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         mem::transmute::<SocketAddrV4, sockaddr_in>(v4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `SocketAddrV4` (48 bits)
[INFO] [stdout]     = note: target type: `sockaddr_in` (128 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `socket2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "662062ffbbf3cf3da18708fc155d7265ffb1aa1b364d8d6c546ef9a5a6e119d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662062ffbbf3cf3da18708fc155d7265ffb1aa1b364d8d6c546ef9a5a6e119d9", kill_on_drop: false }`
[INFO] [stdout] 662062ffbbf3cf3da18708fc155d7265ffb1aa1b364d8d6c546ef9a5a6e119d9