[INFO] fetching crate uuidcell 0.1.0...
[INFO] testing uuidcell-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate uuidcell 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate uuidcell 0.1.0
[INFO] finished tweaking crates.io crate uuidcell 0.1.0
[INFO] tweaked toml for crates.io crate uuidcell 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uuidcell 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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 oorandom v11.1.5
[INFO] [stderr]   Downloaded libc v0.2.186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af7483482507d41dadde5f4a6e7f01e6f435283d7626ed54e51301f159586d27
[INFO] running `Command { std: "docker" "start" "-a" "af7483482507d41dadde5f4a6e7f01e6f435283d7626ed54e51301f159586d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af7483482507d41dadde5f4a6e7f01e6f435283d7626ed54e51301f159586d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7483482507d41dadde5f4a6e7f01e6f435283d7626ed54e51301f159586d27", kill_on_drop: false }`
[INFO] [stdout] af7483482507d41dadde5f4a6e7f01e6f435283d7626ed54e51301f159586d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a9d8f1142df08de6e1e36dbd0268f2b1e8fd12ee435ab49ab7f958c642d4db
[INFO] running `Command { std: "docker" "start" "-a" "e3a9d8f1142df08de6e1e36dbd0268f2b1e8fd12ee435ab49ab7f958c642d4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuidcell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Please enable one, and only one, of `no_std` or `std`
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | compile_error!("Please enable one, and only one, of `no_std` or `std`");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `imp::*`
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use imp::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uuidcell` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e3a9d8f1142df08de6e1e36dbd0268f2b1e8fd12ee435ab49ab7f958c642d4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a9d8f1142df08de6e1e36dbd0268f2b1e8fd12ee435ab49ab7f958c642d4db", kill_on_drop: false }`
[INFO] [stdout] e3a9d8f1142df08de6e1e36dbd0268f2b1e8fd12ee435ab49ab7f958c642d4db
