[INFO] fetching crate warp-types 0.3.2...
[INFO] checking warp-types-0.3.2 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate warp-types 0.3.2 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate warp-types 0.3.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate warp-types 0.3.2
[INFO] tweaked toml for crates.io crate warp-types 0.3.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate warp-types 0.3.2 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate warp-types 0.3.2 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 406fbefa54af34bd548ca4ddeefa67ba829292c575146d0ffad68fb155fc6fc8
[INFO] running `Command { std: "docker" "start" "-a" "406fbefa54af34bd548ca4ddeefa67ba829292c575146d0ffad68fb155fc6fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406fbefa54af34bd548ca4ddeefa67ba829292c575146d0ffad68fb155fc6fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406fbefa54af34bd548ca4ddeefa67ba829292c575146d0ffad68fb155fc6fc8", kill_on_drop: false }`
[INFO] [stdout] 406fbefa54af34bd548ca4ddeefa67ba829292c575146d0ffad68fb155fc6fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 376eae90f0f6fa1b085d7202bf13087a1e1f79a5b2e9ba924efbdd2a621aef54
[INFO] running `Command { std: "docker" "start" "-a" "376eae90f0f6fa1b085d7202bf13087a1e1f79a5b2e9ba924efbdd2a621aef54", kill_on_drop: false }`
[INFO] [stderr]    Compiling warp-types-kernel v0.3.1
[INFO] [stderr]    Compiling warp-types-macros v0.3.1
[INFO] [stderr]     Checking warp-types v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `DeviceSession` is never constructed
[INFO] [stdout]    --> src/research/cpu_gpu_session.rs:326:16
[INFO] [stdout]     |
[INFO] [stdout] 326 |     pub struct DeviceSession<State> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ThreadBlockGroup` is never constructed
[INFO] [stdout]    --> src/research/inter_block.rs:335:16
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub struct ThreadBlockGroup {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GridGroup` is never constructed
[INFO] [stdout]    --> src/research/inter_block.rs:353:16
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub struct GridGroup {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `CoalescedGroup` is never constructed
[INFO] [stdout]    --> src/research/inter_block.rs:372:16
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub struct CoalescedGroup {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warp-types` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "376eae90f0f6fa1b085d7202bf13087a1e1f79a5b2e9ba924efbdd2a621aef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376eae90f0f6fa1b085d7202bf13087a1e1f79a5b2e9ba924efbdd2a621aef54", kill_on_drop: false }`
[INFO] [stdout] 376eae90f0f6fa1b085d7202bf13087a1e1f79a5b2e9ba924efbdd2a621aef54
