[INFO] cloning repository https://github.com/portal-co/bysyncify [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/portal-co/bysyncify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fbysyncify", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fbysyncify'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3ba618bb1ff3406f7c34c20c5aff6773f87f7cea [INFO] checking portal-co/bysyncify against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fbysyncify" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/portal-co/bysyncify [INFO] finished tweaking git repo https://github.com/portal-co/bysyncify [INFO] tweaked toml for git repo https://github.com/portal-co/bysyncify written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/portal-co/bysyncify on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/portal-co/bysyncify already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded awaiter-trait v0.2.8 [INFO] [stderr] Downloaded awaiter-trait v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c22fefc8de6ddaa0cdbba69b055413a54fe25ab77c1287c3bf6f40a05670076 [INFO] running `Command { std: "docker" "start" "-a" "2c22fefc8de6ddaa0cdbba69b055413a54fe25ab77c1287c3bf6f40a05670076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c22fefc8de6ddaa0cdbba69b055413a54fe25ab77c1287c3bf6f40a05670076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c22fefc8de6ddaa0cdbba69b055413a54fe25ab77c1287c3bf6f40a05670076", kill_on_drop: false }` [INFO] [stdout] 2c22fefc8de6ddaa0cdbba69b055413a54fe25ab77c1287c3bf6f40a05670076 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a206be3d5c382268b3880e8f4ab487779172d57365a00d099098277a3278caaf [INFO] running `Command { std: "docker" "start" "-a" "a206be3d5c382268b3880e8f4ab487779172d57365a00d099098277a3278caaf", kill_on_drop: false }` [INFO] [stderr] Checking awaiter-trait v0.1.1 [INFO] [stderr] Checking awaiter-trait v0.2.8 [INFO] [stderr] Checking bysyncify v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `marker::PhantomData` [INFO] [stdout] --> src/lib.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | marker::PhantomData, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let mut r = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | r = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `marker::PhantomData` [INFO] [stdout] --> src/lib.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | marker::PhantomData, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:237:28 [INFO] [stdout] | [INFO] [stdout] 237 | pub fn embed(&self, mut fut: Pin<&mut (dyn Future + '_)>) -> T { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:202:26 [INFO] [stdout] | [INFO] [stdout] 202 | let w = w.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `AtomicWaker` does not implement `Clone`, so calling `clone` on `&AtomicWaker` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 202 - let w = w.clone(); [INFO] [stdout] 202 + let w = w; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `AtomicWaker`, implement `Clone` for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atomic-waker-1.1.2/src/lib.rs:113:1 [INFO] [stdout] | [INFO] [stdout] 113 + #[derive(Clone)] [INFO] [stdout] 114 | pub struct AtomicWaker { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let mut r = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | r = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:237:28 [INFO] [stdout] | [INFO] [stdout] 237 | pub fn embed(&self, mut fut: Pin<&mut (dyn Future + '_)>) -> T { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:202:26 [INFO] [stdout] | [INFO] [stdout] 202 | let w = w.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `AtomicWaker` does not implement `Clone`, so calling `clone` on `&AtomicWaker` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 202 - let w = w.clone(); [INFO] [stdout] 202 + let w = w; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `AtomicWaker`, implement `Clone` for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atomic-waker-1.1.2/src/lib.rs:113:1 [INFO] [stdout] | [INFO] [stdout] 113 + #[derive(Clone)] [INFO] [stdout] 114 | pub struct AtomicWaker { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "a206be3d5c382268b3880e8f4ab487779172d57365a00d099098277a3278caaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a206be3d5c382268b3880e8f4ab487779172d57365a00d099098277a3278caaf", kill_on_drop: false }` [INFO] [stdout] a206be3d5c382268b3880e8f4ab487779172d57365a00d099098277a3278caaf