[INFO] cloning repository https://github.com/tfia/connect4-sdk-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tfia/connect4-sdk-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfia%2Fconnect4-sdk-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfia%2Fconnect4-sdk-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f19d1651c8ca0ecfa1c5d38bceed09ca1d497a6a
[INFO] checking tfia/connect4-sdk-rs against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftfia%2Fconnect4-sdk-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tfia/connect4-sdk-rs
[INFO] finished tweaking git repo https://github.com/tfia/connect4-sdk-rs
[INFO] tweaked toml for git repo https://github.com/tfia/connect4-sdk-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tfia/connect4-sdk-rs on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tfia/connect4-sdk-rs 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" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c049587e988283a16203eb590c70c9ac1c6d54ae0171cfb47aa2345a8dfabdc
[INFO] running `Command { std: "docker" "start" "-a" "2c049587e988283a16203eb590c70c9ac1c6d54ae0171cfb47aa2345a8dfabdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c049587e988283a16203eb590c70c9ac1c6d54ae0171cfb47aa2345a8dfabdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c049587e988283a16203eb590c70c9ac1c6d54ae0171cfb47aa2345a8dfabdc", kill_on_drop: false }`
[INFO] [stdout] 2c049587e988283a16203eb590c70c9ac1c6d54ae0171cfb47aa2345a8dfabdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1274bcc2831101c6d50401c1ef14f3c4e65583d93860b9ca91a9e6b6b074334
[INFO] running `Command { std: "docker" "start" "-a" "c1274bcc2831101c6d50401c1ef14f3c4e65583d93860b9ca91a9e6b6b074334", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.25/src/byteorder.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |           const _: () = unsafe {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 734 | / define_type!(
[INFO] [stdout] 735 | |     A,
[INFO] [stdout] 736 | |     "A 64-bit unsigned integer",
[INFO] [stdout] 737 | |     U64,
[INFO] [stdout] ...   |
[INFO] [stdout] 749 | |     [U128]
[INFO] [stdout] 750 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.25/src/util/macros.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |           const _: () = {
[INFO] [stdout]     |           ------------- previous definition of the value `_` here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the macro `define_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerocopy` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c1274bcc2831101c6d50401c1ef14f3c4e65583d93860b9ca91a9e6b6b074334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1274bcc2831101c6d50401c1ef14f3c4e65583d93860b9ca91a9e6b6b074334", kill_on_drop: false }`
[INFO] [stdout] c1274bcc2831101c6d50401c1ef14f3c4e65583d93860b9ca91a9e6b6b074334