[INFO] fetching crate parc 1.0.1...
[INFO] testing parc-1.0.1 against 1.73.0 for beta-1.74-1
[INFO] extracting crate parc 1.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate parc 1.0.1 on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parc 1.0.1
[INFO] finished tweaking crates.io crate parc 1.0.1
[INFO] tweaked toml for crates.io crate parc 1.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "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" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f9e643ff1bc46b809b575395f324928cdbe4b7ace1dbb8981c74554e838477d
[INFO] running `Command { std: "docker" "start" "-a" "9f9e643ff1bc46b809b575395f324928cdbe4b7ace1dbb8981c74554e838477d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f9e643ff1bc46b809b575395f324928cdbe4b7ace1dbb8981c74554e838477d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9e643ff1bc46b809b575395f324928cdbe4b7ace1dbb8981c74554e838477d", kill_on_drop: false }`
[INFO] [stdout] 9f9e643ff1bc46b809b575395f324928cdbe4b7ace1dbb8981c74554e838477d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb29382f91056d99062f6118a33a5594d12152c21b2c492277d5b40f366fefc
[INFO] running `Command { std: "docker" "start" "-a" "eeb29382f91056d99062f6118a33a5594d12152c21b2c492277d5b40f366fefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling parc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         while lock.compare_and_swap(false, true, 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 `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:147:20
[INFO] [stdout]     |
[INFO] [stdout] 147 |         while lock.compare_and_swap(true, false, Ordering::Release) {}
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "eeb29382f91056d99062f6118a33a5594d12152c21b2c492277d5b40f366fefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb29382f91056d99062f6118a33a5594d12152c21b2c492277d5b40f366fefc", kill_on_drop: false }`
[INFO] [stdout] eeb29382f91056d99062f6118a33a5594d12152c21b2c492277d5b40f366fefc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bfd6f0d69d2edb57a4539378be91981b0bf8574776bed5a8b0f8459fadb8e3f
[INFO] running `Command { std: "docker" "start" "-a" "0bfd6f0d69d2edb57a4539378be91981b0bf8574776bed5a8b0f8459fadb8e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling parc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         while lock.compare_and_swap(false, true, 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 `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:147:20
[INFO] [stdout]     |
[INFO] [stdout] 147 |         while lock.compare_and_swap(true, false, Ordering::Release) {}
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |         while lock.compare_and_swap(false, true, 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 `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:147:20
[INFO] [stdout]     |
[INFO] [stdout] 147 |         while lock.compare_and_swap(true, false, Ordering::Release) {}
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "0bfd6f0d69d2edb57a4539378be91981b0bf8574776bed5a8b0f8459fadb8e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfd6f0d69d2edb57a4539378be91981b0bf8574776bed5a8b0f8459fadb8e3f", kill_on_drop: false }`
[INFO] [stdout] 0bfd6f0d69d2edb57a4539378be91981b0bf8574776bed5a8b0f8459fadb8e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35b0e6e9b1f334bcd571d24e534a1edcd37e926c969376c6173a34fa5a6f2807
[INFO] running `Command { std: "docker" "start" "-a" "35b0e6e9b1f334bcd571d24e534a1edcd37e926c969376c6173a34fa5a6f2807", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |         while lock.compare_and_swap(false, true, Ordering::Release) {}
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:147:20
[INFO] [stderr]     |
[INFO] [stderr] 147 |         while lock.compare_and_swap(true, false, Ordering::Release) {}
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `parc` (lib) generated 2 warnings
[INFO] [stderr] warning: `parc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parc-1ce7e5108ad0dba8)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::join_after_thread ... ok
[INFO] [stdout] test tests::loop_read_thread ... ok
[INFO] [stdout] test tests::one_simple_thread ... ok
[INFO] [stdout] test tests::one_panic_read_threads - should panic ... ok
[INFO] [stdout] test tests::many_loop_read_threads ... ok
[INFO] [stdout] test tests::multiple_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parc
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - ParentArc<T>::lock (line 108) ... ok
[INFO] [stdout] test src/lib.rs - ChildArc (line 390) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::downgrade (line 153) ... ok
[INFO] [stdout] test src/lib.rs - LockWeak<T>::upgrade (line 342) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::try_downgrade (line 168) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::new (line 81) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::unlock (line 132) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::try_unwrap (line 232) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::block_into_inner (line 195) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35b0e6e9b1f334bcd571d24e534a1edcd37e926c969376c6173a34fa5a6f2807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b0e6e9b1f334bcd571d24e534a1edcd37e926c969376c6173a34fa5a6f2807", kill_on_drop: false }`
[INFO] [stdout] 35b0e6e9b1f334bcd571d24e534a1edcd37e926c969376c6173a34fa5a6f2807