[INFO] fetching crate parc 1.0.1...
[INFO] testing parc-1.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate parc 1.0.1 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate parc 1.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a3f09fc944d9e51c018f75a94a41406347043d4aa0063ecf551286ec079452
[INFO] running `Command { std: "docker" "start" "-a" "e6a3f09fc944d9e51c018f75a94a41406347043d4aa0063ecf551286ec079452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a3f09fc944d9e51c018f75a94a41406347043d4aa0063ecf551286ec079452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a3f09fc944d9e51c018f75a94a41406347043d4aa0063ecf551286ec079452", kill_on_drop: false }`
[INFO] [stdout] e6a3f09fc944d9e51c018f75a94a41406347043d4aa0063ecf551286ec079452
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d46c9089313f01438a01aae17395449265115157dcea5e838e316957bd2c234
[INFO] running `Command { std: "docker" "start" "-a" "9d46c9089313f01438a01aae17395449265115157dcea5e838e316957bd2c234", kill_on_drop: false }`
[INFO] [stderr]    Compiling parc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `no_std`
[INFO] [stdout]    --> src/lib.rs:443:21
[INFO] [stdout]     |
[INFO] [stdout] 443 | #[cfg(all(test, not(feature = "no_std")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `no_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` 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: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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "9d46c9089313f01438a01aae17395449265115157dcea5e838e316957bd2c234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d46c9089313f01438a01aae17395449265115157dcea5e838e316957bd2c234", kill_on_drop: false }`
[INFO] [stdout] 9d46c9089313f01438a01aae17395449265115157dcea5e838e316957bd2c234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 523f19a9f437c302299474727f4e68039b871c1a1a9c2bc092c56e658d24369d
[INFO] running `Command { std: "docker" "start" "-a" "523f19a9f437c302299474727f4e68039b871c1a1a9c2bc092c56e658d24369d", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `no_std`
[INFO] [stdout]    --> src/lib.rs:443:21
[INFO] [stdout]     |
[INFO] [stdout] 443 | #[cfg(all(test, not(feature = "no_std")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `no_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` 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: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] [stderr]    Compiling parc v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `no_std`
[INFO] [stdout]    --> src/lib.rs:443:21
[INFO] [stdout]     |
[INFO] [stdout] 443 | #[cfg(all(test, not(feature = "no_std")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]     = help: consider adding `no_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` 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: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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "523f19a9f437c302299474727f4e68039b871c1a1a9c2bc092c56e658d24369d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523f19a9f437c302299474727f4e68039b871c1a1a9c2bc092c56e658d24369d", kill_on_drop: false }`
[INFO] [stdout] 523f19a9f437c302299474727f4e68039b871c1a1a9c2bc092c56e658d24369d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8341857c7edbc6fe98cd37a8ae88c297ed6d1273f6284e3ab0251545196cb7f3
[INFO] running `Command { std: "docker" "start" "-a" "8341857c7edbc6fe98cd37a8ae88c297ed6d1273f6284e3ab0251545196cb7f3", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `no_std`
[INFO] [stderr]    --> src/lib.rs:443:21
[INFO] [stderr]     |
[INFO] [stderr] 443 | #[cfg(all(test, not(feature = "no_std")))]
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default` and `std`
[INFO] [stderr]     = help: consider adding `no_std` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` 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: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 3 warnings
[INFO] [stderr] warning: `parc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parc-03d203a2f5e3d80d)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::loop_read_thread ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::join_after_thread ... ok
[INFO] [stdout] test tests::one_panic_read_threads - should panic ... FAILED
[INFO] [stdout] test tests::one_simple_thread ... ok
[INFO] [stdout] test tests::many_loop_read_threads ... ok
[INFO] [stdout] test tests::multiple_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::one_panic_read_threads stdout ----
[INFO] [stdout] note: test did not panic as expected at src/lib.rs:542:8
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::one_panic_read_threads
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "8341857c7edbc6fe98cd37a8ae88c297ed6d1273f6284e3ab0251545196cb7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8341857c7edbc6fe98cd37a8ae88c297ed6d1273f6284e3ab0251545196cb7f3", kill_on_drop: false }`
[INFO] [stdout] 8341857c7edbc6fe98cd37a8ae88c297ed6d1273f6284e3ab0251545196cb7f3