[INFO] fetching crate ringbahn 0.0.0-experimental.3...
[INFO] checking ringbahn-0.0.0-experimental.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate ringbahn 0.0.0-experimental.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ringbahn 0.0.0-experimental.3 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbahn 0.0.0-experimental.3
[INFO] finished tweaking crates.io crate ringbahn 0.0.0-experimental.3
[INFO] tweaked toml for crates.io crate ringbahn 0.0.0-experimental.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ringbahn 0.0.0-experimental.3 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project v0.4.16
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded iou v0.0.0-ringbahn.1
[INFO] [stderr]   Downloaded event-listener v1.2.0
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded access-queue v1.1.0
[INFO] [stderr]   Downloaded uring-sys v0.6.1
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.16
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f6b9be2d763a4a2c31c036dbe96abd959e9e7c7263fcd5d3d9bf34247339a17
[INFO] running `Command { std: "docker" "start" "-a" "4f6b9be2d763a4a2c31c036dbe96abd959e9e7c7263fcd5d3d9bf34247339a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6b9be2d763a4a2c31c036dbe96abd959e9e7c7263fcd5d3d9bf34247339a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6b9be2d763a4a2c31c036dbe96abd959e9e7c7263fcd5d3d9bf34247339a17", kill_on_drop: false }`
[INFO] [stdout] 4f6b9be2d763a4a2c31c036dbe96abd959e9e7c7263fcd5d3d9bf34247339a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bdb6032bf4309ef6bbdd307e18d42e02d619184edd50db8bf0e938b4ffe65e8
[INFO] running `Command { std: "docker" "start" "-a" "2bdb6032bf4309ef6bbdd307e18d42e02d619184edd50db8bf0e938b4ffe65e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling uring-sys v0.6.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking event-listener v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking access-queue v1.1.0
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking iou v0.0.0-ringbahn.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking ringbahn v0.0.0-experimental.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/net/mod.rs:55:47
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let addr: libc::sockaddr_in = mem::transmute(addr);
[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 `ringbahn` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2bdb6032bf4309ef6bbdd307e18d42e02d619184edd50db8bf0e938b4ffe65e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdb6032bf4309ef6bbdd307e18d42e02d619184edd50db8bf0e938b4ffe65e8", kill_on_drop: false }`
[INFO] [stdout] 2bdb6032bf4309ef6bbdd307e18d42e02d619184edd50db8bf0e938b4ffe65e8