[INFO] fetching crate cuda 0.4.0-pre.2...
[INFO] checking cuda-0.4.0-pre.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate cuda 0.4.0-pre.2 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate cuda 0.4.0-pre.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cuda-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c1f772be322d93dcea13b18a0d87823cb315902cd0a6e82578d6f2c793bcdc6
[INFO] running `Command { std: "docker" "start" "-a" "4c1f772be322d93dcea13b18a0d87823cb315902cd0a6e82578d6f2c793bcdc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1f772be322d93dcea13b18a0d87823cb315902cd0a6e82578d6f2c793bcdc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1f772be322d93dcea13b18a0d87823cb315902cd0a6e82578d6f2c793bcdc6", kill_on_drop: false }`
[INFO] [stdout] 4c1f772be322d93dcea13b18a0d87823cb315902cd0a6e82578d6f2c793bcdc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b96498d1dcd47c1becff6a2e4c85e8f1327f6985e82cc9c4dc8553871fbe19f
[INFO] running `Command { std: "docker" "start" "-a" "2b96498d1dcd47c1becff6a2e4c85e8f1327f6985e82cc9c4dc8553871fbe19f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cuda v0.4.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stdout] error: a cuda version feature must be enabled
[INFO] [stdout]   --> build.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   compile_error!("a cuda version feature must be enabled");
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cuda` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2b96498d1dcd47c1becff6a2e4c85e8f1327f6985e82cc9c4dc8553871fbe19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b96498d1dcd47c1becff6a2e4c85e8f1327f6985e82cc9c4dc8553871fbe19f", kill_on_drop: false }`
[INFO] [stdout] 2b96498d1dcd47c1becff6a2e4c85e8f1327f6985e82cc9c4dc8553871fbe19f