[INFO] cloning repository https://github.com/35359595/rust_mnist_tensorflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/35359595/rust_mnist_tensorflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Frust_mnist_tensorflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Frust_mnist_tensorflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7d576149b2a4a1ec6dca81e802a06cf2a9f47df
[INFO] checking 35359595/rust_mnist_tensorflow/a7d576149b2a4a1ec6dca81e802a06cf2a9f47df against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Frust_mnist_tensorflow" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/35359595/rust_mnist_tensorflow 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 git repo https://github.com/35359595/rust_mnist_tensorflow
[INFO] finished tweaking git repo https://github.com/35359595/rust_mnist_tensorflow
[INFO] tweaked toml for git repo https://github.com/35359595/rust_mnist_tensorflow written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/rust_mnist_tensorflow 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded socket2 v0.2.4
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded tensorflow-sys v0.9.0
[INFO] [stderr]   Downloaded semver-parser v0.6.2
[INFO] [stderr]   Downloaded curl v0.4.8
[INFO] [stderr]   Downloaded tensorflow v0.6.0
[INFO] [stderr]   Downloaded openssl-probe v0.1.1
[INFO] [stderr]   Downloaded semver v0.5.1
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded libz-sys v1.0.18
[INFO] [stderr]   Downloaded openssl-sys v0.9.20
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded xattr v0.1.11
[INFO] [stderr]   Downloaded tar v0.4.13
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded filetime v0.1.14
[INFO] [stderr]   Downloaded vcpkg v0.2.2
[INFO] [stderr]   Downloaded curl-sys v0.3.15
[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] 3e0618828b1217e55ca9f9325b65277b5338340f430c761d6312c8864e57415d
[INFO] running `Command { std: "docker" "start" "-a" "3e0618828b1217e55ca9f9325b65277b5338340f430c761d6312c8864e57415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e0618828b1217e55ca9f9325b65277b5338340f430c761d6312c8864e57415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0618828b1217e55ca9f9325b65277b5338340f430c761d6312c8864e57415d", kill_on_drop: false }`
[INFO] [stdout] 3e0618828b1217e55ca9f9325b65277b5338340f430c761d6312c8864e57415d
[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] 72b7e8b865dabb691b54c849e2226de51a74479c4c827a46888049ff9cc6b495
[INFO] running `Command { std: "docker" "start" "-a" "72b7e8b865dabb691b54c849e2226de51a74479c4c827a46888049ff9cc6b495", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling openssl-probe v0.1.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]    Compiling socket2 v0.2.4
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[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/socket2-0.2.4/src/sockaddr.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         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 num-complex v0.1.40
[INFO] [stderr]    Compiling tar v0.4.13
[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" "72b7e8b865dabb691b54c849e2226de51a74479c4c827a46888049ff9cc6b495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b7e8b865dabb691b54c849e2226de51a74479c4c827a46888049ff9cc6b495", kill_on_drop: false }`
[INFO] [stdout] 72b7e8b865dabb691b54c849e2226de51a74479c4c827a46888049ff9cc6b495