[INFO] fetching crate vented 0.11.7...
[INFO] testing vented-0.11.7 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vented 0.11.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vented 0.11.7 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 vented 0.11.7
[INFO] finished tweaking crates.io crate vented 0.11.7
[INFO] tweaked toml for crates.io crate vented 0.11.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chacha20poly1305 v0.7.1
[INFO] [stderr]   Downloaded async-listen v0.2.1
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded poly1305 v0.6.2
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[INFO] [stderr]   Downloaded cpuid-bool v0.2.0
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] [stderr]   Downloaded crypto_box v0.5.0
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded simple_logger v1.11.0
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded cipher v0.2.5
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded chacha20 v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 799e312db015b1cc2b09d3417aa1383f85229b108a8b258e64267849fbc62fd0
[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" "799e312db015b1cc2b09d3417aa1383f85229b108a8b258e64267849fbc62fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "799e312db015b1cc2b09d3417aa1383f85229b108a8b258e64267849fbc62fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799e312db015b1cc2b09d3417aa1383f85229b108a8b258e64267849fbc62fd0", kill_on_drop: false }`
[INFO] [stdout] 799e312db015b1cc2b09d3417aa1383f85229b108a8b258e64267849fbc62fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c0d557e4ccb45e01f1fceebcd2afdb1dfcb92a89d0b40371e3bee40eab8a6d65
[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" "c0d557e4ccb45e01f1fceebcd2afdb1dfcb92a89d0b40371e3bee40eab8a6d65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling chacha20 v0.6.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling chacha20poly1305 v0.7.1
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.6.0
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling crypto_box v0.5.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling async-listen v0.2.1
[INFO] [stderr]    Compiling vented v0.11.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.49s
[INFO] running `Command { std: "docker" "inspect" "c0d557e4ccb45e01f1fceebcd2afdb1dfcb92a89d0b40371e3bee40eab8a6d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d557e4ccb45e01f1fceebcd2afdb1dfcb92a89d0b40371e3bee40eab8a6d65", kill_on_drop: false }`
[INFO] [stdout] c0d557e4ccb45e01f1fceebcd2afdb1dfcb92a89d0b40371e3bee40eab8a6d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 9a0a1078effa2436312100525ebe9fa978195c6445f586b89be8a1fbe82964cf
[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" "9a0a1078effa2436312100525ebe9fa978195c6445f586b89be8a1fbe82964cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling vented v0.11.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "9a0a1078effa2436312100525ebe9fa978195c6445f586b89be8a1fbe82964cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0a1078effa2436312100525ebe9fa978195c6445f586b89be8a1fbe82964cf", kill_on_drop: false }`
[INFO] [stdout] 9a0a1078effa2436312100525ebe9fa978195c6445f586b89be8a1fbe82964cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] e5af9b30df94954d3dbfdb709be6e4f50ed9d5ada2a4899fbaad592d1f3b9e3f
[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" "e5af9b30df94954d3dbfdb709be6e4f50ed9d5ada2a4899fbaad592d1f3b9e3f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vented-7e9f050f9af6a255
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event::tests::it_serializes_events ... ok
[INFO] [stdout] test event::tests::it_deserializes_events ... ok
[INFO] [stdout] test event_handler::tests::it_handles_events ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_communication-f44216e304ae52cd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_server_communication ... ok
[INFO] [stdout] test test_high_traffic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 32.99s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vented
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/server/mod.rs - server::VentedServer (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5af9b30df94954d3dbfdb709be6e4f50ed9d5ada2a4899fbaad592d1f3b9e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5af9b30df94954d3dbfdb709be6e4f50ed9d5ada2a4899fbaad592d1f3b9e3f", kill_on_drop: false }`
[INFO] [stdout] e5af9b30df94954d3dbfdb709be6e4f50ed9d5ada2a4899fbaad592d1f3b9e3f