[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] checking sinitcin/poll_engine against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_engine" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinitcin/poll_engine on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-7/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a20ecc7fe9b0a286a669e5bde57edd077b1a7316d362715102c9d74ab66979fc [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" "a20ecc7fe9b0a286a669e5bde57edd077b1a7316d362715102c9d74ab66979fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a20ecc7fe9b0a286a669e5bde57edd077b1a7316d362715102c9d74ab66979fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a20ecc7fe9b0a286a669e5bde57edd077b1a7316d362715102c9d74ab66979fc", kill_on_drop: false }` [INFO] [stdout] a20ecc7fe9b0a286a669e5bde57edd077b1a7316d362715102c9d74ab66979fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15c756e20b2e16bfb8778cc65e474a98009f39c1dff4f2568d6fb66fb43fd536 [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" "15c756e20b2e16bfb8778cc65e474a98009f39c1dff4f2568d6fb66fb43fd536", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking serial v0.4.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking channel v0.1.0 (/opt/rustwide/workdir) [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] 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] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:327:19 [INFO] [stdout] | [INFO] [stdout] 327 | if let Ok(mut counter_borrowed) = child.try_borrow_mut() { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_to_from_bytes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:327:19 [INFO] [stdout] | [INFO] [stdout] 327 | if let Ok(mut counter_borrowed) = child.try_borrow_mut() { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_to_from_bytes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.74s [INFO] running `Command { std: "docker" "inspect" "15c756e20b2e16bfb8778cc65e474a98009f39c1dff4f2568d6fb66fb43fd536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15c756e20b2e16bfb8778cc65e474a98009f39c1dff4f2568d6fb66fb43fd536", kill_on_drop: false }` [INFO] [stdout] 15c756e20b2e16bfb8778cc65e474a98009f39c1dff4f2568d6fb66fb43fd536