[INFO] fetching crate parc 1.0.1...
[INFO] testing parc-1.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate parc 1.0.1 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate parc 1.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ac65f0e9d45b33cc0b84f4ae9dbe36653ccf7c1131ada36df2d7a20febd888c
[INFO] running `Command { std: "docker" "start" "-a" "0ac65f0e9d45b33cc0b84f4ae9dbe36653ccf7c1131ada36df2d7a20febd888c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac65f0e9d45b33cc0b84f4ae9dbe36653ccf7c1131ada36df2d7a20febd888c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac65f0e9d45b33cc0b84f4ae9dbe36653ccf7c1131ada36df2d7a20febd888c", kill_on_drop: false }`
[INFO] [stdout] 0ac65f0e9d45b33cc0b84f4ae9dbe36653ccf7c1131ada36df2d7a20febd888c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d6b1b051a591c66c960622f6ed43777fabe5d16412ea7518ecedf1c43ab4e1
[INFO] running `Command { std: "docker" "start" "-a" "a6d6b1b051a591c66c960622f6ed43777fabe5d16412ea7518ecedf1c43ab4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling parc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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 0.86s
[INFO] running `Command { std: "docker" "inspect" "a6d6b1b051a591c66c960622f6ed43777fabe5d16412ea7518ecedf1c43ab4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d6b1b051a591c66c960622f6ed43777fabe5d16412ea7518ecedf1c43ab4e1", kill_on_drop: false }`
[INFO] [stdout] a6d6b1b051a591c66c960622f6ed43777fabe5d16412ea7518ecedf1c43ab4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c767bea7e261373e95d89409010604e3f895e4a260336ba04973ad2fa7e709d7
[INFO] running `Command { std: "docker" "start" "-a" "c767bea7e261373e95d89409010604e3f895e4a260336ba04973ad2fa7e709d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: use of deprecated associated function `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] [stderr]    Compiling parc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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 associated function `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 0.93s
[INFO] running `Command { std: "docker" "inspect" "c767bea7e261373e95d89409010604e3f895e4a260336ba04973ad2fa7e709d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c767bea7e261373e95d89409010604e3f895e4a260336ba04973ad2fa7e709d7", kill_on_drop: false }`
[INFO] [stdout] c767bea7e261373e95d89409010604e3f895e4a260336ba04973ad2fa7e709d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faaa4e0c225842e48520e6e2a394de71fd03b1a558e28162c9a13bba157966c3
[INFO] running `Command { std: "docker" "start" "-a" "faaa4e0c225842e48520e6e2a394de71fd03b1a558e28162c9a13bba157966c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] running 7 tests
[INFO] [stderr]    --> src/lib.rs:119:20
[INFO] [stdout] test tests::new ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::join_after_thread ... ok
[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 associated function `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 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parc-a951bd6cd7be5f17)
[INFO] [stdout] test tests::loop_read_thread ... ok
[INFO] [stdout] test tests::one_simple_thread ... ok
[INFO] [stdout] test tests::multiple_threads ... ok
[INFO] [stdout] test tests::many_loop_read_threads ... ok
[INFO] [stdout] test tests::one_panic_read_threads - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parc
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - ParentArc<T>::try_downgrade (line 168) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::block_into_inner (line 195) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::new (line 81) ... 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 - ChildArc (line 390) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::try_unwrap (line 232) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::unlock (line 132) ... ok
[INFO] [stdout] test src/lib.rs - ParentArc<T>::lock (line 108) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faaa4e0c225842e48520e6e2a394de71fd03b1a558e28162c9a13bba157966c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faaa4e0c225842e48520e6e2a394de71fd03b1a558e28162c9a13bba157966c3", kill_on_drop: false }`
[INFO] [stdout] faaa4e0c225842e48520e6e2a394de71fd03b1a558e28162c9a13bba157966c3