[INFO] cloning repository https://github.com/kaleox-dev/CUDA-memory-copy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaleox-dev/CUDA-memory-copy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleox-dev%2FCUDA-memory-copy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleox-dev%2FCUDA-memory-copy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0684796041cba1f2b5cc18df03091c4a4c720b80
[INFO] checking kaleox-dev/CUDA-memory-copy against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleox-dev%2FCUDA-memory-copy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaleox-dev/CUDA-memory-copy
[INFO] finished tweaking git repo https://github.com/kaleox-dev/CUDA-memory-copy
[INFO] tweaked toml for git repo https://github.com/kaleox-dev/CUDA-memory-copy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaleox-dev/CUDA-memory-copy on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kaleox-dev/CUDA-memory-copy 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845
[INFO] running `Command { std: "docker" "start" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cuda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/main.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     unsafe {
[INFO] [stdout]    |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 76 |             thread::spawn(move || unsafe {
[INFO] [stdout]    |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/main.rs:113:35
[INFO] [stdout]     |
[INFO] [stdout]  60 |     unsafe {
[INFO] [stdout]     |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 113 |             thread::spawn(move || unsafe {
[INFO] [stdout]     |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cudaDeviceSynchronize` is never used
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cudaDeviceSynchronize() -> i32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/main.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     unsafe {
[INFO] [stdout]    |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 76 |             thread::spawn(move || unsafe {
[INFO] [stdout]    |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/main.rs:113:35
[INFO] [stdout]     |
[INFO] [stdout]  60 |     unsafe {
[INFO] [stdout]     |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 113 |             thread::spawn(move || unsafe {
[INFO] [stdout]     |                                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cudaDeviceSynchronize` is never used
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cudaDeviceSynchronize() -> i32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845", kill_on_drop: false }`
[INFO] [stdout] 5b19109d79db7975fa0405fdd41524381f5d72c3afb1637fdef2fbe16e64c845
