[INFO] fetching crate bysyncify 0.2.6...
[INFO] checking bysyncify-0.2.6 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate bysyncify 0.2.6 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bysyncify 0.2.6 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded awaiter-trait v0.2.7
[INFO] [stderr]   Downloaded awaiter-trait v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63f09607bfd241c760fbc07fab35f2c61b30097a7c425fb20fbc8be0efab12e1
[INFO] running `Command { std: "docker" "start" "-a" "63f09607bfd241c760fbc07fab35f2c61b30097a7c425fb20fbc8be0efab12e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f09607bfd241c760fbc07fab35f2c61b30097a7c425fb20fbc8be0efab12e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f09607bfd241c760fbc07fab35f2c61b30097a7c425fb20fbc8be0efab12e1", kill_on_drop: false }`
[INFO] [stdout] 63f09607bfd241c760fbc07fab35f2c61b30097a7c425fb20fbc8be0efab12e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dca3e9d17442cdeb05e19ab9aec8c17e6c3098b9ced0b5d96611a559d07f7fd
[INFO] running `Command { std: "docker" "start" "-a" "6dca3e9d17442cdeb05e19ab9aec8c17e6c3098b9ced0b5d96611a559d07f7fd", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking awaiter-trait v0.1.1
[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<T>(&self, mut fut: Pin<&mut (dyn Future<Output = T> + '_)>) -> 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<T>(&self, mut fut: Pin<&mut (dyn Future<Output = T> + '_)>) -> 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 0.79s
[INFO] running `Command { std: "docker" "inspect" "6dca3e9d17442cdeb05e19ab9aec8c17e6c3098b9ced0b5d96611a559d07f7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dca3e9d17442cdeb05e19ab9aec8c17e6c3098b9ced0b5d96611a559d07f7fd", kill_on_drop: false }`
[INFO] [stdout] 6dca3e9d17442cdeb05e19ab9aec8c17e6c3098b9ced0b5d96611a559d07f7fd
