[INFO] cloning repository https://github.com/Mersive-Technologies/rsuacplay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mersive-Technologies/rsuacplay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMersive-Technologies%2Frsuacplay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMersive-Technologies%2Frsuacplay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63d1edca0ade245a423dcc1261c99856dd51e5ba
[INFO] checking Mersive-Technologies/rsuacplay against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMersive-Technologies%2Frsuacplay" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mersive-Technologies/rsuacplay on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mersive-Technologies/rsuacplay
[INFO] finished tweaking git repo https://github.com/Mersive-Technologies/rsuacplay
[INFO] tweaked toml for git repo https://github.com/Mersive-Technologies/rsuacplay written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mersive-Technologies/rsuacplay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdf14bb04e9c5be5c31b04b4b8dd3e66e42836ab1b2583f6f9a12071c80b12c5
[INFO] running `Command { std: "docker" "start" "-a" "cdf14bb04e9c5be5c31b04b4b8dd3e66e42836ab1b2583f6f9a12071c80b12c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf14bb04e9c5be5c31b04b4b8dd3e66e42836ab1b2583f6f9a12071c80b12c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf14bb04e9c5be5c31b04b4b8dd3e66e42836ab1b2583f6f9a12071c80b12c5", kill_on_drop: false }`
[INFO] [stdout] cdf14bb04e9c5be5c31b04b4b8dd3e66e42836ab1b2583f6f9a12071c80b12c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce24a8d0a722db5439c5df489b97b1c85adabc69779f69db01514cff0802548
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ce24a8d0a722db5439c5df489b97b1c85adabc69779f69db01514cff0802548", kill_on_drop: false }`
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking rsuacplay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `null`
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{null, null_mut};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transfer`
[INFO] [stdout]    --> src/main.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | extern "C" fn xfer_complete(transfer: *mut libusb_transfer) {}
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transfer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `null`
[INFO] [stdout]  --> src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{null, null_mut};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transfer`
[INFO] [stdout]    --> src/main.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | extern "C" fn xfer_complete(transfer: *mut libusb_transfer) {}
[INFO] [stdout]     |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transfer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "5ce24a8d0a722db5439c5df489b97b1c85adabc69779f69db01514cff0802548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce24a8d0a722db5439c5df489b97b1c85adabc69779f69db01514cff0802548", kill_on_drop: false }`
[INFO] [stdout] 5ce24a8d0a722db5439c5df489b97b1c85adabc69779f69db01514cff0802548