[INFO] fetching crate modbus-test-server 0.0.4...
[INFO] testing modbus-test-server-0.0.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate modbus-test-server 0.0.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate modbus-test-server 0.0.4 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 modbus-test-server 0.0.4
[INFO] finished tweaking crates.io crate modbus-test-server 0.0.4
[INFO] tweaked toml for crates.io crate modbus-test-server 0.0.4 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bee55ddee4554572c9e8eaab0d46219df7804086915f82040e2cad9aab12cbfc
[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" "bee55ddee4554572c9e8eaab0d46219df7804086915f82040e2cad9aab12cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee55ddee4554572c9e8eaab0d46219df7804086915f82040e2cad9aab12cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee55ddee4554572c9e8eaab0d46219df7804086915f82040e2cad9aab12cbfc", kill_on_drop: false }`
[INFO] [stdout] bee55ddee4554572c9e8eaab0d46219df7804086915f82040e2cad9aab12cbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3238ecb6e60ddc8b77a5e24af0a269ed64d3e01db2be5e4b9901458997ec3762
[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" "3238ecb6e60ddc8b77a5e24af0a269ed64d3e01db2be5e4b9901458997ec3762", kill_on_drop: false }`
[INFO] [stderr]    Compiling modbus-test-server v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "3238ecb6e60ddc8b77a5e24af0a269ed64d3e01db2be5e4b9901458997ec3762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3238ecb6e60ddc8b77a5e24af0a269ed64d3e01db2be5e4b9901458997ec3762", kill_on_drop: false }`
[INFO] [stdout] 3238ecb6e60ddc8b77a5e24af0a269ed64d3e01db2be5e4b9901458997ec3762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d35c92f33dcd2fc39602cbbf60a30328d90afc179cb5b8ef0ae075471c0b1886
[INFO] running `Command { std: "docker" "start" "-a" "d35c92f33dcd2fc39602cbbf60a30328d90afc179cb5b8ef0ae075471c0b1886", kill_on_drop: false }`
[INFO] [stderr]    Compiling modbus-test-server v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "d35c92f33dcd2fc39602cbbf60a30328d90afc179cb5b8ef0ae075471c0b1886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c92f33dcd2fc39602cbbf60a30328d90afc179cb5b8ef0ae075471c0b1886", kill_on_drop: false }`
[INFO] [stdout] d35c92f33dcd2fc39602cbbf60a30328d90afc179cb5b8ef0ae075471c0b1886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a51bc41cc6e40a8ffe5ae4dc931f46b5112e1059712deaba0321c37a3059d67b
[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" "a51bc41cc6e40a8ffe5ae4dc931f46b5112e1059712deaba0321c37a3059d67b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_server-b3dcfb800a7e5927
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test_server
[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 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" "a51bc41cc6e40a8ffe5ae4dc931f46b5112e1059712deaba0321c37a3059d67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51bc41cc6e40a8ffe5ae4dc931f46b5112e1059712deaba0321c37a3059d67b", kill_on_drop: false }`
[INFO] [stdout] a51bc41cc6e40a8ffe5ae4dc931f46b5112e1059712deaba0321c37a3059d67b