[INFO] cloning repository https://github.com/shamatar/go_precompiles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shamatar/go_precompiles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fgo_precompiles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fgo_precompiles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6a57d16305a405ad157a6c008355e415deacc5f
[INFO] checking shamatar/go_precompiles/c6a57d16305a405ad157a6c008355e415deacc5f against master#b3f8586fb1e4859678d6b231e780ff81801d2282 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Fgo_precompiles" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shamatar/go_precompiles
[INFO] finished tweaking git repo https://github.com/shamatar/go_precompiles
[INFO] tweaked toml for git repo https://github.com/shamatar/go_precompiles written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shamatar/go_precompiles on toolchain b3f8586fb1e4859678d6b231e780ff81801d2282
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shamatar/go_precompiles 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" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.4.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db58c8bb848bc118f33dae0f6acc3222a7f060f5e3f0536655288d10ce6bb2c
[INFO] running `Command { std: "docker" "start" "-a" "4db58c8bb848bc118f33dae0f6acc3222a7f060f5e3f0536655288d10ce6bb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db58c8bb848bc118f33dae0f6acc3222a7f060f5e3f0536655288d10ce6bb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db58c8bb848bc118f33dae0f6acc3222a7f060f5e3f0536655288d10ce6bb2c", kill_on_drop: false }`
[INFO] [stdout] 4db58c8bb848bc118f33dae0f6acc3222a7f060f5e3f0536655288d10ce6bb2c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ed73fc2cc8b7b4e6ea0aefece715e2fd08435b9b673f1e010817c16f9245f0f
[INFO] running `Command { std: "docker" "start" "-a" "4ed73fc2cc8b7b4e6ea0aefece715e2fd08435b9b673f1e010817c16f9245f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling go_precompiles_bindings v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:4:62
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let raw_operation_value: std::os::raw::c_char = unsafe { std::mem::transmute(address) };
[INFO] [stdout]   |                                                              -------------------^^^^^^^^^
[INFO] [stdout]   |                                                              |
[INFO] [stdout]   |                                                              help: replace this with: `u8::cast_signed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/lib.rs:4:62
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let raw_operation_value: std::os::raw::c_char = unsafe { std::mem::transmute(address) };
[INFO] [stdout]   |                                                              -------------------^^^^^^^^^
[INFO] [stdout]   |                                                              |
[INFO] [stdout]   |                                                              help: replace this with: `u8::cast_signed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "4ed73fc2cc8b7b4e6ea0aefece715e2fd08435b9b673f1e010817c16f9245f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed73fc2cc8b7b4e6ea0aefece715e2fd08435b9b673f1e010817c16f9245f0f", kill_on_drop: false }`
[INFO] [stdout] 4ed73fc2cc8b7b4e6ea0aefece715e2fd08435b9b673f1e010817c16f9245f0f