[INFO] fetching crate kkcloud-engine 0.1.0...
[INFO] testing kkcloud-engine-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate kkcloud-engine 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate kkcloud-engine 0.1.0 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 kkcloud-engine 0.1.0
[INFO] finished tweaking crates.io crate kkcloud-engine 0.1.0
[INFO] tweaked toml for crates.io crate kkcloud-engine 0.1.0 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 07b5d22e7c0edd145794187539053667d351c0aa21ca0e41904f66388fd3b7b2
[INFO] running `Command { std: "docker" "start" "-a" "07b5d22e7c0edd145794187539053667d351c0aa21ca0e41904f66388fd3b7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b5d22e7c0edd145794187539053667d351c0aa21ca0e41904f66388fd3b7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b5d22e7c0edd145794187539053667d351c0aa21ca0e41904f66388fd3b7b2", kill_on_drop: false }`
[INFO] [stdout] 07b5d22e7c0edd145794187539053667d351c0aa21ca0e41904f66388fd3b7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 510e08f0887890516f4c12444c177848f2475c7a9e9e7afaf4d5813083682ab8
[INFO] running `Command { std: "docker" "start" "-a" "510e08f0887890516f4c12444c177848f2475c7a9e9e7afaf4d5813083682ab8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling ruc v0.4.1
[INFO] [stderr]    Compiling kkcloud-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "510e08f0887890516f4c12444c177848f2475c7a9e9e7afaf4d5813083682ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510e08f0887890516f4c12444c177848f2475c7a9e9e7afaf4d5813083682ab8", kill_on_drop: false }`
[INFO] [stdout] 510e08f0887890516f4c12444c177848f2475c7a9e9e7afaf4d5813083682ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1a975acd67a9d1053f7c0cbdaa049310965e58a7019eeeaefcba0537a1598471
[INFO] running `Command { std: "docker" "start" "-a" "1a975acd67a9d1053f7c0cbdaa049310965e58a7019eeeaefcba0537a1598471", kill_on_drop: false }`
[INFO] [stderr]    Compiling kkcloud-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1a975acd67a9d1053f7c0cbdaa049310965e58a7019eeeaefcba0537a1598471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a975acd67a9d1053f7c0cbdaa049310965e58a7019eeeaefcba0537a1598471", kill_on_drop: false }`
[INFO] [stdout] 1a975acd67a9d1053f7c0cbdaa049310965e58a7019eeeaefcba0537a1598471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 260a5ec24c5f2fcecffd1b32c29a3c19979c4e62d8b9a8ba538f6757f70cb474
[INFO] running `Command { std: "docker" "start" "-a" "260a5ec24c5f2fcecffd1b32c29a3c19979c4e62d8b9a8ba538f6757f70cb474", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kkcloud_engine-b2690ea1d88e2318)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kkcloud-engine
[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" "260a5ec24c5f2fcecffd1b32c29a3c19979c4e62d8b9a8ba538f6757f70cb474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260a5ec24c5f2fcecffd1b32c29a3c19979c4e62d8b9a8ba538f6757f70cb474", kill_on_drop: false }`
[INFO] [stdout] 260a5ec24c5f2fcecffd1b32c29a3c19979c4e62d8b9a8ba538f6757f70cb474