[INFO] crate spmc_buffer 0.5.1 is already in cache
[INFO] testing spmc_buffer-0.5.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate spmc_buffer 0.5.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate spmc_buffer 0.5.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spmc_buffer 0.5.1
[INFO] finished tweaking crates.io crate spmc_buffer 0.5.1
[INFO] tweaked toml for crates.io crate spmc_buffer 0.5.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 840d3151943993e25561397bdf5809240e45e30c4f02f6b8ddd46e05151f55ca
[INFO] running `"docker" "start" "-a" "840d3151943993e25561397bdf5809240e45e30c4f02f6b8ddd46e05151f55ca"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling testbench v0.7.3
[INFO] [stderr]    Compiling spmc_buffer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "840d3151943993e25561397bdf5809240e45e30c4f02f6b8ddd46e05151f55ca"`
[INFO] running `"docker" "rm" "-f" "840d3151943993e25561397bdf5809240e45e30c4f02f6b8ddd46e05151f55ca"`
[INFO] [stdout] 840d3151943993e25561397bdf5809240e45e30c4f02f6b8ddd46e05151f55ca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da7b8f472c10e768ea2e886ddc6dd11c12ec882ac85e8cb22e9f1a2eaae8df31
[INFO] running `"docker" "start" "-a" "da7b8f472c10e768ea2e886ddc6dd11c12ec882ac85e8cb22e9f1a2eaae8df31"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling spmc_buffer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `testbench::race_cell::UsizeRaceCell`
[INFO] [stderr]    --> src/lib.rs:541:39
[INFO] [stderr]     |
[INFO] [stderr] 541 |     use testbench::race_cell::{Racey, UsizeRaceCell};
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ no `UsizeRaceCell` in `race_cell`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `spmc_buffer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "da7b8f472c10e768ea2e886ddc6dd11c12ec882ac85e8cb22e9f1a2eaae8df31"`
[INFO] running `"docker" "rm" "-f" "da7b8f472c10e768ea2e886ddc6dd11c12ec882ac85e8cb22e9f1a2eaae8df31"`
[INFO] [stdout] da7b8f472c10e768ea2e886ddc6dd11c12ec882ac85e8cb22e9f1a2eaae8df31