[INFO] fetching crate polling 2.0.2...
[INFO] testing polling-2.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate polling 2.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate polling 2.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polling 2.0.2
[INFO] finished tweaking crates.io crate polling 2.0.2
[INFO] tweaked toml for crates.io crate polling 2.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate polling 2.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 8c2b741925e1a70fc027fc0e7e03f183f5dfdd8d8e790f831a0eb8a3643cc9c6
[INFO] running `Command { std: "docker" "start" "-a" "8c2b741925e1a70fc027fc0e7e03f183f5dfdd8d8e790f831a0eb8a3643cc9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2b741925e1a70fc027fc0e7e03f183f5dfdd8d8e790f831a0eb8a3643cc9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2b741925e1a70fc027fc0e7e03f183f5dfdd8d8e790f831a0eb8a3643cc9c6", kill_on_drop: false }`
[INFO] [stdout] 8c2b741925e1a70fc027fc0e7e03f183f5dfdd8d8e790f831a0eb8a3643cc9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e48b26d125943e5867faf4b0ebe98c4133013d3d4c71a947240056d5564eb5
[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" "26e48b26d125943e5867faf4b0ebe98c4133013d3d4c71a947240056d5564eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling polling v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:426:14
[INFO] [stdout]     |
[INFO] [stdout] 426 |             .compare_and_swap(false, true, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "26e48b26d125943e5867faf4b0ebe98c4133013d3d4c71a947240056d5564eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e48b26d125943e5867faf4b0ebe98c4133013d3d4c71a947240056d5564eb5", kill_on_drop: false }`
[INFO] [stdout] 26e48b26d125943e5867faf4b0ebe98c4133013d3d4c71a947240056d5564eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 82ac95f0864bdb047f04c5c0a04847925d4df1dcf6c4d19451e6a5cd7e321acb
[INFO] running `Command { std: "docker" "start" "-a" "82ac95f0864bdb047f04c5c0a04847925d4df1dcf6c4d19451e6a5cd7e321acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:426:14
[INFO] [stdout]     |
[INFO] [stdout] 426 |             .compare_and_swap(false, true, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling polling v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:426:14
[INFO] [stdout]     |
[INFO] [stdout] 426 |             .compare_and_swap(false, true, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "82ac95f0864bdb047f04c5c0a04847925d4df1dcf6c4d19451e6a5cd7e321acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ac95f0864bdb047f04c5c0a04847925d4df1dcf6c4d19451e6a5cd7e321acb", kill_on_drop: false }`
[INFO] [stdout] 82ac95f0864bdb047f04c5c0a04847925d4df1dcf6c4d19451e6a5cd7e321acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 2e423fab961670e7962b0619ab4e5fb036f286d17a51257bf9c89cac9f4d0f5f
[INFO] running `Command { std: "docker" "start" "-a" "2e423fab961670e7962b0619ab4e5fb036f286d17a51257bf9c89cac9f4d0f5f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:426:14
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 426 |             .compare_and_swap(false, true, Ordering::SeqCst)
[INFO] [stdout] 
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:426:14
[INFO] [stderr]     |
[INFO] [stderr] 426 |             .compare_and_swap(false, true, Ordering::SeqCst)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polling-553d8c4eff829474
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/notify-5be0f95f7a664ebd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/precision-866d3b8d874611e9
[INFO] [stdout] test concurrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test below_ms ... ok
[INFO] [stdout] test above_ms ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.35s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/timeout-57c19b6775355a60
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test non_blocking ... ok
[INFO] [stderr]    Doc-tests polling
[INFO] [stdout] test twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Poller::add (line 221) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 289) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 301) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 277) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 265) ... ok
[INFO] [stdout] test src/lib.rs - Poller::notify (line 409) ... ok
[INFO] [stdout] test src/lib.rs - Poller::new (line 175) ... ok
[INFO] [stdout] test src/lib.rs - Poller::delete (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Poller::wait (line 364) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e423fab961670e7962b0619ab4e5fb036f286d17a51257bf9c89cac9f4d0f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e423fab961670e7962b0619ab4e5fb036f286d17a51257bf9c89cac9f4d0f5f", kill_on_drop: false }`
[INFO] [stdout] 2e423fab961670e7962b0619ab4e5fb036f286d17a51257bf9c89cac9f4d0f5f