[INFO] crate sqa-engine 0.4.0 is already in cache [INFO] testing sqa-engine-0.4.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate sqa-engine 0.4.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate sqa-engine 0.4.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate sqa-engine 0.4.0 [INFO] finished tweaking crates.io crate sqa-engine 0.4.0 [INFO] tweaked toml for crates.io crate sqa-engine 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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=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" "+beta-2020-06-03" "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] 22fafb643bf8ee079656fdcf11cdf31e6faeb25acebfc530eaa96604c28f58b2 [INFO] running `"docker" "start" "-a" "22fafb643bf8ee079656fdcf11cdf31e6faeb25acebfc530eaa96604c28f58b2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling nodrop-union v0.1.11 [INFO] [stderr] Compiling lazy_static v0.1.16 [INFO] [stderr] Compiling bounded-spsc-queue v0.4.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nodrop-union-0.1.11/src/lib.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | #![feature(untagged_unions)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0740]: unions may not contain fields that need dropping [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nodrop-union-0.1.11/src/lib.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | value: T, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `std::mem::ManuallyDrop` can be used to wrap the type [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nodrop-union-0.1.11/src/lib.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | value: T, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0740. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `nodrop-union`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bounded-spsc-queue-0.4.0/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(allocator_api)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "22fafb643bf8ee079656fdcf11cdf31e6faeb25acebfc530eaa96604c28f58b2"` [INFO] running `"docker" "rm" "-f" "22fafb643bf8ee079656fdcf11cdf31e6faeb25acebfc530eaa96604c28f58b2"` [INFO] [stdout] 22fafb643bf8ee079656fdcf11cdf31e6faeb25acebfc530eaa96604c28f58b2