[INFO] fetching crate atom 0.3.6...
[INFO] checking atom-0.3.6 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate atom 0.3.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate atom 0.3.6 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atom 0.3.6
[INFO] finished tweaking crates.io crate atom 0.3.6
[INFO] tweaked toml for crates.io crate atom 0.3.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate atom 0.3.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a886d06987463887d7de5e17bb1540c0d21e05bd1c00c083188d6ccde41c77ed
[INFO] running `Command { std: "docker" "start" "-a" "a886d06987463887d7de5e17bb1540c0d21e05bd1c00c083188d6ccde41c77ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a886d06987463887d7de5e17bb1540c0d21e05bd1c00c083188d6ccde41c77ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a886d06987463887d7de5e17bb1540c0d21e05bd1c00c083188d6ccde41c77ed", kill_on_drop: false }`
[INFO] [stdout] a886d06987463887d7de5e17bb1540c0d21e05bd1c00c083188d6ccde41c77ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdc16e5dbf30c7ff3e8e54c6f4ffdaff329e8ddcbd2f9c52856a5dc136ad889f
[INFO] running `Command { std: "docker" "start" "-a" "bdc16e5dbf30c7ff3e8e54c6f4ffdaff329e8ddcbd2f9c52856a5dc136ad889f", kill_on_drop: false }`
[INFO] [stderr]     Checking atom v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let old = self.inner.compare_and_swap(ptr::null_mut(), new, Ordering::Release);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let last = self.inner.compare_and_swap(pcurrent, raw, Ordering::AcqRel);
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let old = self.inner.compare_and_swap(ptr::null_mut(), new, Ordering::Release);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let last = self.inner.compare_and_swap(pcurrent, raw, Ordering::AcqRel);
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> examples/fifo.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for _ in (0..THREADS) {
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> examples/fifo.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |             for _ in (0..10_000) {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "bdc16e5dbf30c7ff3e8e54c6f4ffdaff329e8ddcbd2f9c52856a5dc136ad889f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc16e5dbf30c7ff3e8e54c6f4ffdaff329e8ddcbd2f9c52856a5dc136ad889f", kill_on_drop: false }`
[INFO] [stdout] bdc16e5dbf30c7ff3e8e54c6f4ffdaff329e8ddcbd2f9c52856a5dc136ad889f