[INFO] cloning repository https://github.com/charliesome/future-play [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charliesome/future-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Ffuture-play", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Ffuture-play'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce50c16457ecc800c6c6860619e8851a5a85fd49 [INFO] checking charliesome/future-play against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Ffuture-play" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/charliesome/future-play on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/charliesome/future-play [INFO] finished tweaking git repo https://github.com/charliesome/future-play [INFO] tweaked toml for git repo https://github.com/charliesome/future-play written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/charliesome/future-play already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4549c4b23e1c7eda89c0d17e7ee38e7977468f074acb053b1ddb1bf104f7555 [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" "c4549c4b23e1c7eda89c0d17e7ee38e7977468f074acb053b1ddb1bf104f7555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4549c4b23e1c7eda89c0d17e7ee38e7977468f074acb053b1ddb1bf104f7555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4549c4b23e1c7eda89c0d17e7ee38e7977468f074acb053b1ddb1bf104f7555", kill_on_drop: false }` [INFO] [stdout] c4549c4b23e1c7eda89c0d17e7ee38e7977468f074acb053b1ddb1bf104f7555 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9da77c91f3c40c0e16624496a9f9212a75f89fe934af68f47e4b9a2370e11b54 [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" "9da77c91f3c40c0e16624496a9f9212a75f89fe934af68f47e4b9a2370e11b54", kill_on_drop: false }` [INFO] [stderr] Checking future-play v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RawWakerVTable`, `RawWaker`, `Waker` [INFO] [stdout] --> src/both.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use core::task::{Context, Waker, RawWaker, RawWakerVTable, Poll}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RawWakerVTable`, `RawWaker`, `Waker` [INFO] [stdout] --> src/both.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use core::task::{Context, Waker, RawWaker, RawWakerVTable, Poll}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | async fn coro(mut chan: Chan) -> f64 { [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: variable does not need to be mutable [INFO] [stdout] --> src/both.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/both.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/both.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(fut: F) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | async fn coro(mut chan: Chan) -> f64 { [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/both.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/both.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/both.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(fut: F) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "9da77c91f3c40c0e16624496a9f9212a75f89fe934af68f47e4b9a2370e11b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9da77c91f3c40c0e16624496a9f9212a75f89fe934af68f47e4b9a2370e11b54", kill_on_drop: false }` [INFO] [stdout] 9da77c91f3c40c0e16624496a9f9212a75f89fe934af68f47e4b9a2370e11b54