[INFO] fetching crate modbus-test-server 0.0.4...
[INFO] testing modbus-test-server-0.0.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate modbus-test-server 0.0.4 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate modbus-test-server 0.0.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a30e4e3b5202269fda7a51efb518d8be58cbb9e363b5c27c4e5bfe4110ac7e0d
[INFO] running `Command { std: "docker" "start" "-a" "a30e4e3b5202269fda7a51efb518d8be58cbb9e363b5c27c4e5bfe4110ac7e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30e4e3b5202269fda7a51efb518d8be58cbb9e363b5c27c4e5bfe4110ac7e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30e4e3b5202269fda7a51efb518d8be58cbb9e363b5c27c4e5bfe4110ac7e0d", kill_on_drop: false }`
[INFO] [stdout] a30e4e3b5202269fda7a51efb518d8be58cbb9e363b5c27c4e5bfe4110ac7e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac79f701a39074ec87c69c379bdc544437e5e86d39218d5c9beb38cff205f42c
[INFO] running `Command { std: "docker" "start" "-a" "ac79f701a39074ec87c69c379bdc544437e5e86d39218d5c9beb38cff205f42c", 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 1.76s
[INFO] running `Command { std: "docker" "inspect" "ac79f701a39074ec87c69c379bdc544437e5e86d39218d5c9beb38cff205f42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac79f701a39074ec87c69c379bdc544437e5e86d39218d5c9beb38cff205f42c", kill_on_drop: false }`
[INFO] [stdout] ac79f701a39074ec87c69c379bdc544437e5e86d39218d5c9beb38cff205f42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c695e23023d4bd9245d85fb955901cfb7b86e972e9449f8e73345b5eed17341
[INFO] running `Command { std: "docker" "start" "-a" "5c695e23023d4bd9245d85fb955901cfb7b86e972e9449f8e73345b5eed17341", 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "5c695e23023d4bd9245d85fb955901cfb7b86e972e9449f8e73345b5eed17341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c695e23023d4bd9245d85fb955901cfb7b86e972e9449f8e73345b5eed17341", kill_on_drop: false }`
[INFO] [stdout] 5c695e23023d4bd9245d85fb955901cfb7b86e972e9449f8e73345b5eed17341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75a157feb5033ab603f8be2ca8a1da6df64a868629c109decf6c1ef1e1167fd3
[INFO] running `Command { std: "docker" "start" "-a" "75a157feb5033ab603f8be2ca8a1da6df64a868629c109decf6c1ef1e1167fd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_server-30697af13de1f328)
[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] [stderr]    Doc-tests test_server
[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" "75a157feb5033ab603f8be2ca8a1da6df64a868629c109decf6c1ef1e1167fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a157feb5033ab603f8be2ca8a1da6df64a868629c109decf6c1ef1e1167fd3", kill_on_drop: false }`
[INFO] [stdout] 75a157feb5033ab603f8be2ca8a1da6df64a868629c109decf6c1ef1e1167fd3