[INFO] fetching crate concurrency_toolkit 0.2.8...
[INFO] testing concurrency_toolkit-0.2.8 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate concurrency_toolkit 0.2.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate concurrency_toolkit 0.2.8 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrency_toolkit 0.2.8
[INFO] finished tweaking crates.io crate concurrency_toolkit 0.2.8
[INFO] tweaked toml for crates.io crate concurrency_toolkit 0.2.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 893a8e5fa2a93e3519a9a6958230bed280f7639ac544ce0953bbbe0fc872e48b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "893a8e5fa2a93e3519a9a6958230bed280f7639ac544ce0953bbbe0fc872e48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "893a8e5fa2a93e3519a9a6958230bed280f7639ac544ce0953bbbe0fc872e48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893a8e5fa2a93e3519a9a6958230bed280f7639ac544ce0953bbbe0fc872e48b", kill_on_drop: false }`
[INFO] [stdout] 893a8e5fa2a93e3519a9a6958230bed280f7639ac544ce0953bbbe0fc872e48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d4497c0deb7a37544dfa8eca3dc5d6d8549165924edff373f0cb2e8679b61f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d4497c0deb7a37544dfa8eca3dc5d6d8549165924edff373f0cb2e8679b61f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc_macro_test v0.1.5
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]    Compiling concurrency_toolkit v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "0d4497c0deb7a37544dfa8eca3dc5d6d8549165924edff373f0cb2e8679b61f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4497c0deb7a37544dfa8eca3dc5d6d8549165924edff373f0cb2e8679b61f6", kill_on_drop: false }`
[INFO] [stdout] 0d4497c0deb7a37544dfa8eca3dc5d6d8549165924edff373f0cb2e8679b61f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6caad4e0121563d2b4f9a0ddde63606606e6d90651ca056dd632def74f0673df
[INFO] running `Command { std: "docker" "start" "-a" "6caad4e0121563d2b4f9a0ddde63606606e6d90651ca056dd632def74f0673df", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency_toolkit v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "6caad4e0121563d2b4f9a0ddde63606606e6d90651ca056dd632def74f0673df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6caad4e0121563d2b4f9a0ddde63606606e6d90651ca056dd632def74f0673df", kill_on_drop: false }`
[INFO] [stdout] 6caad4e0121563d2b4f9a0ddde63606606e6d90651ca056dd632def74f0673df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f17bf44a35a00ea6fb7a289547278c08e8448c9283cda0d5db726dc6b26df6a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f17bf44a35a00ea6fb7a289547278c08e8448c9283cda0d5db726dc6b26df6a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concurrency_toolkit-74dbcd7d79559fc3)
[INFO] [stderr]      Running tests/atomic.rs (/opt/rustwide/target/debug/deps/atomic-bdada23c249184d8)
[INFO] [stderr]      Running tests/proc_macro_test.rs (/opt/rustwide/target/debug/deps/proc_macro_test-8ff8b46b4793488e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_assert_store ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test f ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sync.rs (/opt/rustwide/target/debug/deps/sync-c2b51f65f3223b19)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/thread.rs (/opt/rustwide/target/debug/deps/thread-738159ebb1da3232)
[INFO] [stdout] test test_rwlock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests concurrency_toolkit
[INFO] [stdout] test test_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f17bf44a35a00ea6fb7a289547278c08e8448c9283cda0d5db726dc6b26df6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17bf44a35a00ea6fb7a289547278c08e8448c9283cda0d5db726dc6b26df6a0", kill_on_drop: false }`
[INFO] [stdout] f17bf44a35a00ea6fb7a289547278c08e8448c9283cda0d5db726dc6b26df6a0