[INFO] fetching crate atom 0.3.6...
[INFO] checking atom-0.3.6 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate atom 0.3.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate atom 0.3.6 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bd85363cc7fbd4da0328c1367cbd2a1072bb539408073c7156c16b25fd41700
[INFO] running `Command { std: "docker" "start" "-a" "2bd85363cc7fbd4da0328c1367cbd2a1072bb539408073c7156c16b25fd41700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bd85363cc7fbd4da0328c1367cbd2a1072bb539408073c7156c16b25fd41700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd85363cc7fbd4da0328c1367cbd2a1072bb539408073c7156c16b25fd41700", kill_on_drop: false }`
[INFO] [stdout] 2bd85363cc7fbd4da0328c1367cbd2a1072bb539408073c7156c16b25fd41700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab48360adf395c80f40146aeae5475fdcf8438fa4f296190c5d986fb397bfc1
[INFO] running `Command { std: "docker" "start" "-a" "dab48360adf395c80f40146aeae5475fdcf8438fa4f296190c5d986fb397bfc1", kill_on_drop: false }`
[INFO] [stderr]     Checking atom v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `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 method `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 method `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 method `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]    |              ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     for _ in (0..THREADS) {
[INFO] [stdout] 43 +     for _ in 0..THREADS {
[INFO] [stdout]    |
[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]    |                      ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -             for _ in (0..10_000) {
[INFO] [stdout] 49 +             for _ in 0..10_000 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "dab48360adf395c80f40146aeae5475fdcf8438fa4f296190c5d986fb397bfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab48360adf395c80f40146aeae5475fdcf8438fa4f296190c5d986fb397bfc1", kill_on_drop: false }`
[INFO] [stdout] dab48360adf395c80f40146aeae5475fdcf8438fa4f296190c5d986fb397bfc1