[INFO] fetching crate udpsocket2 0.0.1...
[INFO] testing udpsocket2-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate udpsocket2 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate udpsocket2 0.0.1 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 udpsocket2 0.0.1
[INFO] finished tweaking crates.io crate udpsocket2 0.0.1
[INFO] tweaked toml for crates.io crate udpsocket2 0.0.1 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8738a4cd5ee1cfd2793b2c0f19b8c057dc661ce401165488fba19e47860fffa8
[INFO] running `Command { std: "docker" "start" "-a" "8738a4cd5ee1cfd2793b2c0f19b8c057dc661ce401165488fba19e47860fffa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8738a4cd5ee1cfd2793b2c0f19b8c057dc661ce401165488fba19e47860fffa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8738a4cd5ee1cfd2793b2c0f19b8c057dc661ce401165488fba19e47860fffa8", kill_on_drop: false }`
[INFO] [stdout] 8738a4cd5ee1cfd2793b2c0f19b8c057dc661ce401165488fba19e47860fffa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 449f4e0c113088ee0f1a95d89979c0f90427852fe10addd658cfcebbe952c284
[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" "449f4e0c113088ee0f1a95d89979c0f90427852fe10addd658cfcebbe952c284", kill_on_drop: false }`
[INFO] [stderr]    Compiling udpsocket2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "449f4e0c113088ee0f1a95d89979c0f90427852fe10addd658cfcebbe952c284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449f4e0c113088ee0f1a95d89979c0f90427852fe10addd658cfcebbe952c284", kill_on_drop: false }`
[INFO] [stdout] 449f4e0c113088ee0f1a95d89979c0f90427852fe10addd658cfcebbe952c284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 03fcce89ffb5e7ed1a8293200e422a9ee6402366b102013417010736c1731365
[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" "03fcce89ffb5e7ed1a8293200e422a9ee6402366b102013417010736c1731365", kill_on_drop: false }`
[INFO] [stderr]    Compiling udpsocket2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "03fcce89ffb5e7ed1a8293200e422a9ee6402366b102013417010736c1731365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03fcce89ffb5e7ed1a8293200e422a9ee6402366b102013417010736c1731365", kill_on_drop: false }`
[INFO] [stdout] 03fcce89ffb5e7ed1a8293200e422a9ee6402366b102013417010736c1731365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 815130c25dc58ef79cc8d4a582300b343fa0f29e756f8762b1943c19edae3781
[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" "815130c25dc58ef79cc8d4a582300b343fa0f29e756f8762b1943c19edae3781", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/udpsocket2-1341883529e789da
[INFO] [stdout] test tests::test_listener ... ok
[INFO] [stderr]    Doc-tests udpsocket2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - UdpSocket::bind (line 149) ... ok
[INFO] [stdout] test src/lib.rs - UdpSocket (line 93) ... ok
[INFO] [stdout] test src/lib.rs - UdpSocket::send_to (line 223) ... ok
[INFO] [stdout] test src/lib.rs - UdpSocket::send (line 276) ... ok
[INFO] [stdout] test src/lib.rs - UdpSocket::incoming (line 173) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "815130c25dc58ef79cc8d4a582300b343fa0f29e756f8762b1943c19edae3781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815130c25dc58ef79cc8d4a582300b343fa0f29e756f8762b1943c19edae3781", kill_on_drop: false }`
[INFO] [stdout] 815130c25dc58ef79cc8d4a582300b343fa0f29e756f8762b1943c19edae3781