[INFO] fetching crate kano 0.0.1... [INFO] checking kano-0.0.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate kano 0.0.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate kano 0.0.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kano 0.0.1 [INFO] finished tweaking crates.io crate kano 0.0.1 [INFO] tweaked toml for crates.io crate kano 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded kano-macros v0.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe896c76c1ab01ffd2ff196d3bab1b224a5dea9500f2b8f470b3cefbf964d287 [INFO] running `Command { std: "docker" "start" "-a" "fe896c76c1ab01ffd2ff196d3bab1b224a5dea9500f2b8f470b3cefbf964d287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe896c76c1ab01ffd2ff196d3bab1b224a5dea9500f2b8f470b3cefbf964d287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe896c76c1ab01ffd2ff196d3bab1b224a5dea9500f2b8f470b3cefbf964d287", kill_on_drop: false }` [INFO] [stdout] fe896c76c1ab01ffd2ff196d3bab1b224a5dea9500f2b8f470b3cefbf964d287 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d247c921bcc3b8107cbd208796131f01c0c86a8e5a1cd0518366b560133d4e4b [INFO] running `Command { std: "docker" "start" "-a" "d247c921bcc3b8107cbd208796131f01c0c86a8e5a1cd0518366b560133d4e4b", kill_on_drop: false }` [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling kano-macros v0.0.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking kano v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `SinkExt` and `StreamExt` [INFO] [stdout] --> src/signal.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::{SinkExt, StreamExt}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SinkExt` and `StreamExt` [INFO] [stdout] --> src/signal.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::{SinkExt, StreamExt}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `style::*` [INFO] [stdout] --> src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub use style::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `style::*` [INFO] [stdout] --> src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub use style::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sender` [INFO] [stdout] --> src/signal.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | let mut sender = get_signal_sender(registry); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/signal.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | let mut sender = get_signal_sender(registry); [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: unused variable: `sender` [INFO] [stdout] --> src/signal.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | let mut sender = get_signal_sender(registry); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/signal.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | let mut sender = get_signal_sender(registry); [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: unused variable: `receiver` [INFO] [stdout] --> src/signal.rs:88:26 [INFO] [stdout] | [INFO] [stdout] 88 | let (sender, mut receiver) = futures::channel::mpsc::channel::<()>(1); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/signal.rs:88:22 [INFO] [stdout] | [INFO] [stdout] 88 | let (sender, mut receiver) = futures::channel::mpsc::channel::<()>(1); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lib.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn log(s: &str) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `on_signal` is never used [INFO] [stdout] --> src/signal.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub trait OnSignal { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 51 | fn on_signal(&self, target: ViewId) -> bool; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `broadcast` is never used [INFO] [stdout] --> src/signal.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn broadcast(signals: HashSet) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/signal.rs:88:26 [INFO] [stdout] | [INFO] [stdout] 88 | let (sender, mut receiver) = futures::channel::mpsc::channel::<()>(1); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/signal.rs:88:22 [INFO] [stdout] | [INFO] [stdout] 88 | let (sender, mut receiver) = futures::channel::mpsc::channel::<()>(1); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lib.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn log(s: &str) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `on_signal` is never used [INFO] [stdout] --> src/signal.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub trait OnSignal { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 51 | fn on_signal(&self, target: ViewId) -> bool; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `broadcast` is never used [INFO] [stdout] --> src/signal.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn broadcast(signals: HashSet) { [INFO] [stdout] | ^^^^^^^^^ [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` profile [unoptimized + debuginfo] target(s) in 4.20s [INFO] running `Command { std: "docker" "inspect" "d247c921bcc3b8107cbd208796131f01c0c86a8e5a1cd0518366b560133d4e4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d247c921bcc3b8107cbd208796131f01c0c86a8e5a1cd0518366b560133d4e4b", kill_on_drop: false }` [INFO] [stdout] d247c921bcc3b8107cbd208796131f01c0c86a8e5a1cd0518366b560133d4e4b