[INFO] cloning repository https://github.com/sinitcin/poll_engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinitcin/poll_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a840d4f7d6f69a6169027e6365191478f2a6edb5 [INFO] testing sinitcin/poll_engine against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_engine" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinitcin/poll_engine on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4/source/Cargo.toml [INFO] crate git repo https://github.com/sinitcin/poll_engine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3504c7c00dcc75ed17e7555295b76a1dcce3c21bb78a55e5f1138201c8c9c602 [INFO] running `Command { std: "docker" "start" "-a" "3504c7c00dcc75ed17e7555295b76a1dcce3c21bb78a55e5f1138201c8c9c602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3504c7c00dcc75ed17e7555295b76a1dcce3c21bb78a55e5f1138201c8c9c602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3504c7c00dcc75ed17e7555295b76a1dcce3c21bb78a55e5f1138201c8c9c602", kill_on_drop: false }` [INFO] [stdout] 3504c7c00dcc75ed17e7555295b76a1dcce3c21bb78a55e5f1138201c8c9c602 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a43f8586c656afed0f11440996b7c8b079cda1c74dd41a2ea42e3dda7da67400 [INFO] running `Command { std: "docker" "start" "-a" "a43f8586c656afed0f11440996b7c8b079cda1c74dd41a2ea42e3dda7da67400", kill_on_drop: false }` [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling serial v0.4.0 [INFO] [stderr] Compiling channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_to_from_bytes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:21:31 [INFO] [stdout] | [INFO] [stdout] 21 | type ISerialPort = Rc>; [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | fn new(channel: Rc>) -> Self [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:74:36 [INFO] [stdout] | [INFO] [stdout] 74 | fn parent(&self) -> Rc>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:99:28 [INFO] [stdout] | [INFO] [stdout] 99 | _child: Vec>>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn ICounter` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:152:25 [INFO] [stdout] | [INFO] [stdout] 152 | _parent: Rc>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:162:32 [INFO] [stdout] | [INFO] [stdout] 162 | fn new(channel: Rc>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:260:36 [INFO] [stdout] | [INFO] [stdout] 260 | fn parent(&self) -> Rc> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn ILinkChannel` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `channel` due to 2 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a43f8586c656afed0f11440996b7c8b079cda1c74dd41a2ea42e3dda7da67400", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a43f8586c656afed0f11440996b7c8b079cda1c74dd41a2ea42e3dda7da67400", kill_on_drop: false }` [INFO] [stdout] a43f8586c656afed0f11440996b7c8b079cda1c74dd41a2ea42e3dda7da67400