[INFO] updating cached repository https://github.com/pie-flavor/romeo [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3766ceec1360ed3365e3d836d26c23b564c73571 [INFO] checking pie-flavor/romeo against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpie-flavor%2Fromeo" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pie-flavor/romeo on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pie-flavor/romeo [INFO] finished tweaking git repo https://github.com/pie-flavor/romeo [INFO] tweaked toml for git repo https://github.com/pie-flavor/romeo written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/pie-flavor/romeo already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 40a55ac15b4704c02c56cab3585b15e05188ccac0d60dc065409738566d99488 [INFO] running `"docker" "start" "-a" "40a55ac15b4704c02c56cab3585b15e05188ccac0d60dc065409738566d99488"` [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.36 [INFO] [stderr] Checking base64 v0.8.0 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking toml v0.4.7 [INFO] [stderr] Checking hyper v0.10.13 [INFO] [stderr] Checking serde_json v1.0.30 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] error[E0740]: unions may not contain fields that need dropping [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.5/lib.rs:271:5 [INFO] [stderr] | [INFO] [stderr] 271 | inline: A, [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/smallvec-0.6.5/lib.rs:271:5 [INFO] [stderr] | [INFO] [stderr] 271 | inline: A, [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 E0740`. [INFO] [stderr] error: could not compile `smallvec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "40a55ac15b4704c02c56cab3585b15e05188ccac0d60dc065409738566d99488"` [INFO] running `"docker" "rm" "-f" "40a55ac15b4704c02c56cab3585b15e05188ccac0d60dc065409738566d99488"` [INFO] [stdout] 40a55ac15b4704c02c56cab3585b15e05188ccac0d60dc065409738566d99488