[INFO] crate cachy 0.2.0 is already in cache
[INFO] testing cachy-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate cachy 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cachy 0.2.0 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 cachy 0.2.0
[INFO] finished tweaking crates.io crate cachy 0.2.0
[INFO] tweaked toml for crates.io crate cachy 0.2.0 written to /workspace/builds/worker-0/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] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5468a13c94791b637d5fb8e3897501e3488aa1dc61d6f50471fc61d52b818bbd
[INFO] running `"docker" "start" "-a" "5468a13c94791b637d5fb8e3897501e3488aa1dc61d6f50471fc61d52b818bbd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling bus v1.4.1
[INFO] [stderr]    Compiling cachy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `try_recv` found for mutable reference `&mut bus::BusReader<std::sync::Arc<R>>` in the current scope
[INFO] [stderr]    --> src/lib.rs:85:28
[INFO] [stderr]     |
[INFO] [stderr] 85  |               res = match sc.try_recv() {
[INFO] [stderr]     |                              ^^^^^^^^ method not found in `&mut bus::BusReader<std::sync::Arc<R>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `try_recv` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::sync::Arc<R>: std::marker::Sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `try_recv` found for mutable reference `&mut bus::BusReader<std::sync::Arc<R>>` in the current scope
[INFO] [stderr]    --> src/lib.rs:148:95
[INFO] [stderr]     |
[INFO] [stderr] 148 |           let temp = itc.into_iter().filter_map(|(k, mut x)| match Rc::get_mut(&mut x).unwrap().try_recv() {
[INFO] [stderr]     |                                                                                                 ^^^^^^^^ method not found in `&mut bus::BusReader<std::sync::Arc<R>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `try_recv` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `std::sync::Arc<R>: std::marker::Sync`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `cachy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5468a13c94791b637d5fb8e3897501e3488aa1dc61d6f50471fc61d52b818bbd"`
[INFO] running `"docker" "rm" "-f" "5468a13c94791b637d5fb8e3897501e3488aa1dc61d6f50471fc61d52b818bbd"`
[INFO] [stdout] 5468a13c94791b637d5fb8e3897501e3488aa1dc61d6f50471fc61d52b818bbd