[INFO] fetching crate cuda 0.4.0-pre.2...
[INFO] checking cuda-0.4.0-pre.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate cuda 0.4.0-pre.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cuda 0.4.0-pre.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cuda 0.4.0-pre.2
[INFO] finished tweaking crates.io crate cuda 0.4.0-pre.2
[INFO] tweaked toml for crates.io crate cuda 0.4.0-pre.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3edb28f1bbadec3b3adb7b135515c5254791655524e41fa55329be2b4a4d4b42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3edb28f1bbadec3b3adb7b135515c5254791655524e41fa55329be2b4a4d4b42"`
[INFO] [stderr]    Compiling cuda v0.4.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr] error: a cuda version feature must be enabled
[INFO] [stderr]   --> build.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   compile_error!("a cuda version feature must be enabled");
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cuda`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3edb28f1bbadec3b3adb7b135515c5254791655524e41fa55329be2b4a4d4b42"`
[INFO] running `"docker" "rm" "-f" "3edb28f1bbadec3b3adb7b135515c5254791655524e41fa55329be2b4a4d4b42"`
[INFO] [stdout] 3edb28f1bbadec3b3adb7b135515c5254791655524e41fa55329be2b4a4d4b42