[INFO] fetching crate cargo-flutter 0.1.12...
[INFO] checking cargo-flutter-0.1.12 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate cargo-flutter 0.1.12 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cargo-flutter 0.1.12 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 crates.io crate cargo-flutter 0.1.12
[INFO] finished tweaking crates.io crate cargo-flutter 0.1.12
[INFO] tweaked toml for crates.io crate cargo-flutter 0.1.12 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-flutter 0.1.12 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]  Downloading crates ...
[INFO] [stderr]   Downloaded which v3.1.0
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded podio v0.1.6
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[INFO] [stderr]   Downloaded bstr v0.2.8
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[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded ignore v0.4.10
[INFO] [stderr]   Downloaded curl v0.4.25
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded im-rc v13.0.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.53
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded git2 v0.10.2
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[INFO] [stderr]   Downloaded openssl v0.10.26
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[INFO] [stderr]   Downloaded crates-io v0.29.0
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[INFO] [stderr]   Downloaded rustfix v0.4.6
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[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded bytesize v1.0.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.0
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
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[INFO] [stderr]   Downloaded crypto-hash v0.3.4
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[INFO] [stderr]   Downloaded cargo v0.41.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ffe7bebbe8815f03fa20c7eb7f2e49f3622482413a23248732ef7b17b66605e7
[INFO] running `Command { std: "docker" "start" "-a" "ffe7bebbe8815f03fa20c7eb7f2e49f3622482413a23248732ef7b17b66605e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe7bebbe8815f03fa20c7eb7f2e49f3622482413a23248732ef7b17b66605e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe7bebbe8815f03fa20c7eb7f2e49f3622482413a23248732ef7b17b66605e7", kill_on_drop: false }`
[INFO] [stdout] ffe7bebbe8815f03fa20c7eb7f2e49f3622482413a23248732ef7b17b66605e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 976e64a5a3d2d777fa80f657f76992b6629f3e9b3f69136be4c868a20edf9a6f
[INFO] running `Command { std: "docker" "start" "-a" "976e64a5a3d2d777fa80f657f76992b6629f3e9b3f69136be4c868a20edf9a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling jobserver v0.1.18
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking url v2.1.0
[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] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[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" "976e64a5a3d2d777fa80f657f76992b6629f3e9b3f69136be4c868a20edf9a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976e64a5a3d2d777fa80f657f76992b6629f3e9b3f69136be4c868a20edf9a6f", kill_on_drop: false }`
[INFO] [stdout] 976e64a5a3d2d777fa80f657f76992b6629f3e9b3f69136be4c868a20edf9a6f