[INFO] cloning repository https://github.com/autocatalytic/witter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autocatalytic/witter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautocatalytic%2Fwitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautocatalytic%2Fwitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbad02e668e9c33b98d1383c6ac7dceb94a35090
[INFO] checking autocatalytic/witter/bbad02e668e9c33b98d1383c6ac7dceb94a35090 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautocatalytic%2Fwitter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/autocatalytic/witter on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/autocatalytic/witter
[INFO] finished tweaking git repo https://github.com/autocatalytic/witter
[INFO] tweaked toml for git repo https://github.com/autocatalytic/witter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/autocatalytic/witter 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/seed-rs/seed`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d10bb03073ccdf9a4e9dba12827fa7c7596e1f6fa387899a811272d258a6ef7a
[INFO] running `Command { std: "docker" "start" "-a" "d10bb03073ccdf9a4e9dba12827fa7c7596e1f6fa387899a811272d258a6ef7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10bb03073ccdf9a4e9dba12827fa7c7596e1f6fa387899a811272d258a6ef7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10bb03073ccdf9a4e9dba12827fa7c7596e1f6fa387899a811272d258a6ef7a", kill_on_drop: false }`
[INFO] [stdout] d10bb03073ccdf9a4e9dba12827fa7c7596e1f6fa387899a811272d258a6ef7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd84659aead390aa87c36e3fd6fb450cf58936d7eb70e4f64c84520b777c96d2
[INFO] running `Command { std: "docker" "start" "-a" "bd84659aead390aa87c36e3fd6fb450cf58936d7eb70e4f64c84520b777c96d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[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/socket2-0.3.12/src/sockaddr.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         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] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr] error: could not compile `socket2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bd84659aead390aa87c36e3fd6fb450cf58936d7eb70e4f64c84520b777c96d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd84659aead390aa87c36e3fd6fb450cf58936d7eb70e4f64c84520b777c96d2", kill_on_drop: false }`
[INFO] [stdout] bd84659aead390aa87c36e3fd6fb450cf58936d7eb70e4f64c84520b777c96d2