[INFO] fetching crate uuidcell 0.1.0...
[INFO] testing uuidcell-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate uuidcell 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate uuidcell 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bb93b317916d47cddd06d3af0bf27d20788367061263cdfaa099f3cf98d16b9
[INFO] running `Command { std: "docker" "start" "-a" "2bb93b317916d47cddd06d3af0bf27d20788367061263cdfaa099f3cf98d16b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bb93b317916d47cddd06d3af0bf27d20788367061263cdfaa099f3cf98d16b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb93b317916d47cddd06d3af0bf27d20788367061263cdfaa099f3cf98d16b9", kill_on_drop: false }`
[INFO] [stdout] 2bb93b317916d47cddd06d3af0bf27d20788367061263cdfaa099f3cf98d16b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648c2c5b646ab44c029dd4b5c3834e2c8d7fbb4df074ecd649ceaf9170093fba
[INFO] running `Command { std: "docker" "start" "-a" "648c2c5b646ab44c029dd4b5c3834e2c8d7fbb4df074ecd649ceaf9170093fba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uuidcell` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "648c2c5b646ab44c029dd4b5c3834e2c8d7fbb4df074ecd649ceaf9170093fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648c2c5b646ab44c029dd4b5c3834e2c8d7fbb4df074ecd649ceaf9170093fba", kill_on_drop: false }`
[INFO] [stdout] 648c2c5b646ab44c029dd4b5c3834e2c8d7fbb4df074ecd649ceaf9170093fba