[INFO] fetching crate parc 1.0.1...
[INFO] testing parc-1.0.1 against master#d117135f5a9b69ee3adfb1918aa25616758bf692 for pr-107251
[INFO] extracting crate parc 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate parc 1.0.1 on toolchain d117135f5a9b69ee3adfb1918aa25616758bf692
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e638ab5bda073f2ec5324308698e3f77f3f05bdb360550312760fefc220496
[INFO] running `Command { std: "docker" "start" "-a" "30e638ab5bda073f2ec5324308698e3f77f3f05bdb360550312760fefc220496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e638ab5bda073f2ec5324308698e3f77f3f05bdb360550312760fefc220496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e638ab5bda073f2ec5324308698e3f77f3f05bdb360550312760fefc220496", kill_on_drop: false }`
[INFO] [stdout] 30e638ab5bda073f2ec5324308698e3f77f3f05bdb360550312760fefc220496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 702dcfd6bdda59eaf422386c05819a47be9f38db1820693dee8a3f94e269548f
[INFO] running `Command { std: "docker" "start" "-a" "702dcfd6bdda59eaf422386c05819a47be9f38db1820693dee8a3f94e269548f", 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "702dcfd6bdda59eaf422386c05819a47be9f38db1820693dee8a3f94e269548f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702dcfd6bdda59eaf422386c05819a47be9f38db1820693dee8a3f94e269548f", kill_on_drop: false }`
[INFO] [stdout] 702dcfd6bdda59eaf422386c05819a47be9f38db1820693dee8a3f94e269548f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8506eeb5f1f8b03ed05aea8895db5b134809548568850b77ce0899f4f8e3053
[INFO] running `Command { std: "docker" "start" "-a" "f8506eeb5f1f8b03ed05aea8895db5b134809548568850b77ce0899f4f8e3053", 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] [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 1.00s
[INFO] running `Command { std: "docker" "inspect" "f8506eeb5f1f8b03ed05aea8895db5b134809548568850b77ce0899f4f8e3053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8506eeb5f1f8b03ed05aea8895db5b134809548568850b77ce0899f4f8e3053", kill_on_drop: false }`
[INFO] [stdout] f8506eeb5f1f8b03ed05aea8895db5b134809548568850b77ce0899f4f8e3053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 478857e26b60e783de8df84715e5537ac92b1ab23994d3b4f9928fe79f6ab01d
[INFO] running `Command { std: "docker" "start" "-a" "478857e26b60e783de8df84715e5537ac92b1ab23994d3b4f9928fe79f6ab01d", kill_on_drop: false }`
[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: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 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parc-ecbb66b61fdf8a5e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::new ... ok
[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] test tests::one_panic_read_threads - should panic ... FAILED
[INFO] [stdout] test tests::join_after_thread ... ok
[INFO] [stdout] test tests::loop_read_thread ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::one_panic_read_threads stdout ----
[INFO] [stdout] note: test did not panic as expected
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "478857e26b60e783de8df84715e5537ac92b1ab23994d3b4f9928fe79f6ab01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478857e26b60e783de8df84715e5537ac92b1ab23994d3b4f9928fe79f6ab01d", kill_on_drop: false }`
[INFO] [stdout] 478857e26b60e783de8df84715e5537ac92b1ab23994d3b4f9928fe79f6ab01d