[INFO] fetching crate dlpack 0.2.0...
[INFO] testing dlpack-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dlpack 0.2.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate dlpack 0.2.0 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 dlpack 0.2.0
[INFO] finished tweaking crates.io crate dlpack 0.2.0
[INFO] tweaked toml for crates.io crate dlpack 0.2.0 written to /workspace/builds/worker-82/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 50df7ac6c57c390e21e40df1dbd799d879a0874b87c4081e71c7f6bb4a599696
[INFO] running `Command { std: "docker" "start" "-a" "50df7ac6c57c390e21e40df1dbd799d879a0874b87c4081e71c7f6bb4a599696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50df7ac6c57c390e21e40df1dbd799d879a0874b87c4081e71c7f6bb4a599696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50df7ac6c57c390e21e40df1dbd799d879a0874b87c4081e71c7f6bb4a599696", kill_on_drop: false }`
[INFO] [stdout] 50df7ac6c57c390e21e40df1dbd799d879a0874b87c4081e71c7f6bb4a599696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] ec91ca18a26d7efde4bb324d3013e812c44be1f6c4a28a5a21ec9137deea1ab6
[INFO] running `Command { std: "docker" "start" "-a" "ec91ca18a26d7efde4bb324d3013e812c44be1f6c4a28a5a21ec9137deea1ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling dlpack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "ec91ca18a26d7efde4bb324d3013e812c44be1f6c4a28a5a21ec9137deea1ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec91ca18a26d7efde4bb324d3013e812c44be1f6c4a28a5a21ec9137deea1ab6", kill_on_drop: false }`
[INFO] [stdout] ec91ca18a26d7efde4bb324d3013e812c44be1f6c4a28a5a21ec9137deea1ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 73a4405840368c8e62043d37e2aabe9e04efd5e50c6497d950a9c54d5ae6936c
[INFO] running `Command { std: "docker" "start" "-a" "73a4405840368c8e62043d37e2aabe9e04efd5e50c6497d950a9c54d5ae6936c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dlpack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "73a4405840368c8e62043d37e2aabe9e04efd5e50c6497d950a9c54d5ae6936c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a4405840368c8e62043d37e2aabe9e04efd5e50c6497d950a9c54d5ae6936c", kill_on_drop: false }`
[INFO] [stdout] 73a4405840368c8e62043d37e2aabe9e04efd5e50c6497d950a9c54d5ae6936c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] c5e68f6d56e9ea179a5e92456dab319ec6ac8b1b7a6404885f0bfedec3a3e9d2
[INFO] running `Command { std: "docker" "start" "-a" "c5e68f6d56e9ea179a5e92456dab319ec6ac8b1b7a6404885f0bfedec3a3e9d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dlpack-f1f36c8ef2c4e337)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dlpack
[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" "c5e68f6d56e9ea179a5e92456dab319ec6ac8b1b7a6404885f0bfedec3a3e9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e68f6d56e9ea179a5e92456dab319ec6ac8b1b7a6404885f0bfedec3a3e9d2", kill_on_drop: false }`
[INFO] [stdout] c5e68f6d56e9ea179a5e92456dab319ec6ac8b1b7a6404885f0bfedec3a3e9d2