[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 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_engine" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinitcin/poll_engine on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b9b2c3166cd0d38801a1706192f4796ce1bd20930a99b7717ecd7f2fa51e1c3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9b9b2c3166cd0d38801a1706192f4796ce1bd20930a99b7717ecd7f2fa51e1c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b9b2c3166cd0d38801a1706192f4796ce1bd20930a99b7717ecd7f2fa51e1c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b9b2c3166cd0d38801a1706192f4796ce1bd20930a99b7717ecd7f2fa51e1c3", kill_on_drop: false }` [INFO] [stdout] 9b9b2c3166cd0d38801a1706192f4796ce1bd20930a99b7717ecd7f2fa51e1c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e54cd293676569645c60704ceddcb69d3b3fd474df5ff0f33e71ae50318f9c9a [INFO] running `Command { std: "docker" "start" "-a" "e54cd293676569645c60704ceddcb69d3b3fd474df5ff0f33e71ae50318f9c9a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling serial v0.4.0 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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] [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] [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] [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] [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] [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] [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] [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`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e54cd293676569645c60704ceddcb69d3b3fd474df5ff0f33e71ae50318f9c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e54cd293676569645c60704ceddcb69d3b3fd474df5ff0f33e71ae50318f9c9a", kill_on_drop: false }` [INFO] [stdout] e54cd293676569645c60704ceddcb69d3b3fd474df5ff0f33e71ae50318f9c9a