[INFO] fetching crate polling 2.0.2...
[INFO] testing polling-2.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate polling 2.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate polling 2.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f05ad329f877ff9482ecd08fd3ae28456c42f1921bf0e439d1521f75dd1d36c7
[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" "f05ad329f877ff9482ecd08fd3ae28456c42f1921bf0e439d1521f75dd1d36c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05ad329f877ff9482ecd08fd3ae28456c42f1921bf0e439d1521f75dd1d36c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05ad329f877ff9482ecd08fd3ae28456c42f1921bf0e439d1521f75dd1d36c7", kill_on_drop: false }`
[INFO] [stdout] f05ad329f877ff9482ecd08fd3ae28456c42f1921bf0e439d1521f75dd1d36c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--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] c5562f256b491e2fc7534279ac9b0c34bf43fc0b7217b5d5ec311c3a1e31028d
[INFO] running `Command { std: "docker" "start" "-a" "c5562f256b491e2fc7534279ac9b0c34bf43fc0b7217b5d5ec311c3a1e31028d", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "c5562f256b491e2fc7534279ac9b0c34bf43fc0b7217b5d5ec311c3a1e31028d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5562f256b491e2fc7534279ac9b0c34bf43fc0b7217b5d5ec311c3a1e31028d", kill_on_drop: false }`
[INFO] [stdout] c5562f256b491e2fc7534279ac9b0c34bf43fc0b7217b5d5ec311c3a1e31028d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] c4e117a4dd6e2abaa4db2d4e031cd94dff4b8105118a57f7e60908042b1c0313
[INFO] running `Command { std: "docker" "start" "-a" "c4e117a4dd6e2abaa4db2d4e031cd94dff4b8105118a57f7e60908042b1c0313", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling polling v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "c4e117a4dd6e2abaa4db2d4e031cd94dff4b8105118a57f7e60908042b1c0313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e117a4dd6e2abaa4db2d4e031cd94dff4b8105118a57f7e60908042b1c0313", kill_on_drop: false }`
[INFO] [stdout] c4e117a4dd6e2abaa4db2d4e031cd94dff4b8105118a57f7e60908042b1c0313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b76a601eea28b2464a51e306f93b8e6cf78333c183f9441d81bcb82ecf269a27
[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" "b76a601eea28b2464a51e306f93b8e6cf78333c183f9441d81bcb82ecf269a27", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polling-141d0094cb9a875d
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/notify-61c6e3b515426ce9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test concurrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/precision-b3320c17f0f124aa
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/timeout-c025d3467fb1ca65
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 289) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 265) ... ok
[INFO] [stdout] test src/lib.rs - Poller::add (line 221) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 277) ... ok
[INFO] [stdout] test src/lib.rs - Poller::modify (line 301) ... 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::notify (line 409) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b76a601eea28b2464a51e306f93b8e6cf78333c183f9441d81bcb82ecf269a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76a601eea28b2464a51e306f93b8e6cf78333c183f9441d81bcb82ecf269a27", kill_on_drop: false }`
[INFO] [stdout] b76a601eea28b2464a51e306f93b8e6cf78333c183f9441d81bcb82ecf269a27