[INFO] fetching crate bysyncify 0.2.6... [INFO] checking bysyncify-0.2.6 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate bysyncify 0.2.6 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate bysyncify 0.2.6 [INFO] finished tweaking crates.io crate bysyncify 0.2.6 [INFO] tweaked toml for crates.io crate bysyncify 0.2.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bysyncify 0.2.6 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate bysyncify 0.2.6 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bd2f7b9c00baf983757eda9b8b475113b24529742dc073e39f966f47475ebb8 [INFO] running `Command { std: "docker" "start" "-a" "0bd2f7b9c00baf983757eda9b8b475113b24529742dc073e39f966f47475ebb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bd2f7b9c00baf983757eda9b8b475113b24529742dc073e39f966f47475ebb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bd2f7b9c00baf983757eda9b8b475113b24529742dc073e39f966f47475ebb8", kill_on_drop: false }` [INFO] [stdout] 0bd2f7b9c00baf983757eda9b8b475113b24529742dc073e39f966f47475ebb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79d41cdb41c5f488a7b17165f34c2ca7baf919196d7cd19ce5ed642975598c8d [INFO] running `Command { std: "docker" "start" "-a" "79d41cdb41c5f488a7b17165f34c2ca7baf919196d7cd19ce5ed642975598c8d", kill_on_drop: false }` [INFO] [stderr] Checking awaiter-trait v0.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking awaiter-trait v0.2.7 [INFO] [stderr] Checking bysyncify v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `marker::PhantomData` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | marker::PhantomData, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut r = false; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | r = true; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:28 [INFO] [stdout] | [INFO] [stdout] 101 | 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)]` 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:79:26 [INFO] [stdout] | [INFO] [stdout] 79 | 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] 79 - let w = w.clone(); [INFO] [stdout] 79 + 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: unused import: `marker::PhantomData` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | marker::PhantomData, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut r = false; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | r = true; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:28 [INFO] [stdout] | [INFO] [stdout] 101 | 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)]` 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:79:26 [INFO] [stdout] | [INFO] [stdout] 79 | 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] 79 - let w = w.clone(); [INFO] [stdout] 79 + 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 0.66s [INFO] running `Command { std: "docker" "inspect" "79d41cdb41c5f488a7b17165f34c2ca7baf919196d7cd19ce5ed642975598c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79d41cdb41c5f488a7b17165f34c2ca7baf919196d7cd19ce5ed642975598c8d", kill_on_drop: false }` [INFO] [stdout] 79d41cdb41c5f488a7b17165f34c2ca7baf919196d7cd19ce5ed642975598c8d