[INFO] updating cached repository https://github.com/hardvain/dua
[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] 7d645e48f45f11fdd9a99d6ca38cb1d816947716
[INFO] checking hardvain/dua against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardvain%2Fdua" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hardvain/dua on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hardvain/dua
[INFO] finished tweaking git repo https://github.com/hardvain/dua
[INFO] tweaked toml for git repo https://github.com/hardvain/dua written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hardvain/dua already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=allow" "-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-2019-10-27" "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] ac602b8a537bfb64f394586bde578b4bd7f89c13da4be8897e4eb4bac251ee56
[INFO] running `"docker" "start" "-a" "ac602b8a537bfb64f394586bde578b4bd7f89c13da4be8897e4eb4bac251ee56"`
[INFO] [stderr]     Checking dua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>` cannot be shared between threads safely
[INFO] [stderr]    --> src/main.rs:29:13
[INFO] [stderr]     |
[INFO] [stderr] 29  |             thread::spawn(|| {
[INFO] [stderr]     |             ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sync` is not implemented for `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::marker::Send` for `&std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>`
[INFO] [stderr]     = note: required because it appears within the type `[closure@src/main.rs:29:27: 32:14 file:&std::fs::DirEntry, tx:&std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `dua`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>` cannot be shared between threads safely
[INFO] [stderr]    --> src/main.rs:29:13
[INFO] [stderr]     |
[INFO] [stderr] 29  |             thread::spawn(|| {
[INFO] [stderr]     |             ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sync` is not implemented for `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::marker::Send` for `&std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>`
[INFO] [stderr]     = note: required because it appears within the type `[closure@src/main.rs:29:27: 32:14 file:&std::fs::DirEntry, tx:&std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `dua`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ac602b8a537bfb64f394586bde578b4bd7f89c13da4be8897e4eb4bac251ee56"`
[INFO] running `"docker" "rm" "-f" "ac602b8a537bfb64f394586bde578b4bd7f89c13da4be8897e4eb4bac251ee56"`
[INFO] [stdout] ac602b8a537bfb64f394586bde578b4bd7f89c13da4be8897e4eb4bac251ee56