[INFO] fetching crate sync-stack 0.1.0...
[INFO] testing sync-stack-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate sync-stack 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate sync-stack 0.1.0
[INFO] finished tweaking crates.io crate sync-stack 0.1.0
[INFO] tweaked toml for crates.io crate sync-stack 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync-stack 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac16ab7c0e621ef6f92e7a3dc64c96daf75d0654f8b6c7df5bfac3e164e729ef
[INFO] running `Command { std: "docker" "start" "-a" "ac16ab7c0e621ef6f92e7a3dc64c96daf75d0654f8b6c7df5bfac3e164e729ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac16ab7c0e621ef6f92e7a3dc64c96daf75d0654f8b6c7df5bfac3e164e729ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac16ab7c0e621ef6f92e7a3dc64c96daf75d0654f8b6c7df5bfac3e164e729ef", kill_on_drop: false }`
[INFO] [stdout] ac16ab7c0e621ef6f92e7a3dc64c96daf75d0654f8b6c7df5bfac3e164e729ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f057fa513b548a49c2127a204e3c9dd972525030c153b66bd91fa2fc0a0da9f
[INFO] running `Command { std: "docker" "start" "-a" "9f057fa513b548a49c2127a204e3c9dd972525030c153b66bd91fa2fc0a0da9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if self.0.compare_and_swap(node.rest, &mut node, Ordering::AcqRel,) == node.rest {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:102:44
[INFO] [stdout]     |
[INFO] [stdout] 102 |       let new_node = AtomicPtr::new(self.0.compare_and_swap(node_ptr, rest, Ordering::Release,),);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if !node.used.compare_and_swap(false, true, Ordering::Release,) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "9f057fa513b548a49c2127a204e3c9dd972525030c153b66bd91fa2fc0a0da9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f057fa513b548a49c2127a204e3c9dd972525030c153b66bd91fa2fc0a0da9f", kill_on_drop: false }`
[INFO] [stdout] 9f057fa513b548a49c2127a204e3c9dd972525030c153b66bd91fa2fc0a0da9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4c5cbf1360723d82479bf19c99d98f81951aa566262f38809e8906bc4cc7b5
[INFO] running `Command { std: "docker" "start" "-a" "ec4c5cbf1360723d82479bf19c99d98f81951aa566262f38809e8906bc4cc7b5", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if self.0.compare_and_swap(node.rest, &mut node, Ordering::AcqRel,) == node.rest {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:102:44
[INFO] [stdout]     |
[INFO] [stdout] 102 |       let new_node = AtomicPtr::new(self.0.compare_and_swap(node_ptr, rest, Ordering::Release,),);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if !node.used.compare_and_swap(false, true, Ordering::Release,) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sync-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if self.0.compare_and_swap(node.rest, &mut node, Ordering::AcqRel,) == node.rest {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:102:44
[INFO] [stdout]     |
[INFO] [stdout] 102 |       let new_node = AtomicPtr::new(self.0.compare_and_swap(node_ptr, rest, Ordering::Release,),);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if !node.used.compare_and_swap(false, true, Ordering::Release,) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "ec4c5cbf1360723d82479bf19c99d98f81951aa566262f38809e8906bc4cc7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4c5cbf1360723d82479bf19c99d98f81951aa566262f38809e8906bc4cc7b5", kill_on_drop: false }`
[INFO] [stdout] ec4c5cbf1360723d82479bf19c99d98f81951aa566262f38809e8906bc4cc7b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13cb1cfebe508e1291e7d88a69dbbace7697b1893be88492fcc0c348fe592902
[INFO] running `Command { std: "docker" "start" "-a" "13cb1cfebe508e1291e7d88a69dbbace7697b1893be88492fcc0c348fe592902", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lib.rs:77:15
[INFO] [stderr]    |
[INFO] [stderr] 77 |     if self.0.compare_and_swap(node.rest, &mut node, Ordering::AcqRel,) == node.rest {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:102:44
[INFO] [stderr]     |
[INFO] [stderr] 102 |       let new_node = AtomicPtr::new(self.0.compare_and_swap(node_ptr, rest, Ordering::Release,),);
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         if !node.used.compare_and_swap(false, true, Ordering::Release,) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sync-stack` (lib) generated 3 warnings
[INFO] [stderr] warning: `sync-stack` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_stack-f19f4cb522d713d9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_sync_stack_data_race ... ok
[INFO] [stderr]    Doc-tests sync_stack
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SyncStack::park (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13cb1cfebe508e1291e7d88a69dbbace7697b1893be88492fcc0c348fe592902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cb1cfebe508e1291e7d88a69dbbace7697b1893be88492fcc0c348fe592902", kill_on_drop: false }`
[INFO] [stdout] 13cb1cfebe508e1291e7d88a69dbbace7697b1893be88492fcc0c348fe592902