[INFO] updating cached repository https://github.com/sinitcin/poll_engine [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] a840d4f7d6f69a6169027e6365191478f2a6edb5 [INFO] testing sinitcin/poll_engine against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_engine" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinitcin/poll_engine 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 git repo https://github.com/sinitcin/poll_engine [INFO] finished tweaking git repo https://github.com/sinitcin/poll_engine [INFO] tweaked toml for git repo https://github.com/sinitcin/poll_engine written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/sinitcin/poll_engine already has a lockfile, it will not be regenerated [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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8c2feca65a9ffb0ff58d290b74281ab6142af7b97a30f9b0926dd37c273f4f34 [INFO] running `"docker" "start" "-a" "8c2feca65a9ffb0ff58d290b74281ab6142af7b97a30f9b0926dd37c273f4f34"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling serial v0.4.0 [INFO] [stderr] Compiling channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(int_to_from_bytes)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:21:31 [INFO] [stderr] | [INFO] [stderr] 21 | type ISerialPort = Rc>; [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:46:32 [INFO] [stderr] | [INFO] [stderr] 46 | fn new(channel: Rc>) -> Self [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:74:36 [INFO] [stderr] | [INFO] [stderr] 74 | fn parent(&self) -> Rc>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:99:28 [INFO] [stderr] | [INFO] [stderr] 99 | _child: Vec>>, [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn ICounter` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:152:25 [INFO] [stderr] | [INFO] [stderr] 152 | _parent: Rc>, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:162:32 [INFO] [stderr] | [INFO] [stderr] 162 | fn new(channel: Rc>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:260:36 [INFO] [stderr] | [INFO] [stderr] 260 | fn parent(&self) -> Rc> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 7 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `channel`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "8c2feca65a9ffb0ff58d290b74281ab6142af7b97a30f9b0926dd37c273f4f34"` [INFO] running `"docker" "rm" "-f" "8c2feca65a9ffb0ff58d290b74281ab6142af7b97a30f9b0926dd37c273f4f34"` [INFO] [stdout] 8c2feca65a9ffb0ff58d290b74281ab6142af7b97a30f9b0926dd37c273f4f34