[INFO] fetching crate datatable 0.1.0...
[INFO] testing datatable-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate datatable 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate datatable 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate datatable 0.1.0
[INFO] finished tweaking crates.io crate datatable 0.1.0
[INFO] tweaked toml for crates.io crate datatable 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e297584b373b91b1934fa9dd4c0a646db90f3f58c34929f688239a7438b2fcda
[INFO] running `Command { std: "docker" "start" "-a" "e297584b373b91b1934fa9dd4c0a646db90f3f58c34929f688239a7438b2fcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e297584b373b91b1934fa9dd4c0a646db90f3f58c34929f688239a7438b2fcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e297584b373b91b1934fa9dd4c0a646db90f3f58c34929f688239a7438b2fcda", kill_on_drop: false }`
[INFO] [stdout] e297584b373b91b1934fa9dd4c0a646db90f3f58c34929f688239a7438b2fcda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a552cd7793efc86c97a7a7e7ef7e7ea943b5a663b4b7def7013794f681db8236
[INFO] running `Command { std: "docker" "start" "-a" "a552cd7793efc86c97a7a7e7ef7e7ea943b5a663b4b7def7013794f681db8236", kill_on_drop: false }`
[INFO] [stderr]    Compiling datatable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a552cd7793efc86c97a7a7e7ef7e7ea943b5a663b4b7def7013794f681db8236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a552cd7793efc86c97a7a7e7ef7e7ea943b5a663b4b7def7013794f681db8236", kill_on_drop: false }`
[INFO] [stdout] a552cd7793efc86c97a7a7e7ef7e7ea943b5a663b4b7def7013794f681db8236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77c88de64682e09a172bafb9e0bfab8340727c66f0d0678b6ca2b0d86a8cc83
[INFO] running `Command { std: "docker" "start" "-a" "e77c88de64682e09a172bafb9e0bfab8340727c66f0d0678b6ca2b0d86a8cc83", kill_on_drop: false }`
[INFO] [stderr]    Compiling datatable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "e77c88de64682e09a172bafb9e0bfab8340727c66f0d0678b6ca2b0d86a8cc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77c88de64682e09a172bafb9e0bfab8340727c66f0d0678b6ca2b0d86a8cc83", kill_on_drop: false }`
[INFO] [stdout] e77c88de64682e09a172bafb9e0bfab8340727c66f0d0678b6ca2b0d86a8cc83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99b1c67e81a2135ae24d0e4dae2fb1b80718aef67c2e03596119e1cc39beb39d
[INFO] running `Command { std: "docker" "start" "-a" "99b1c67e81a2135ae24d0e4dae2fb1b80718aef67c2e03596119e1cc39beb39d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datatable-30c18a1adfe01b95)
[INFO] [stderr]    Doc-tests datatable
[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] [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" "99b1c67e81a2135ae24d0e4dae2fb1b80718aef67c2e03596119e1cc39beb39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b1c67e81a2135ae24d0e4dae2fb1b80718aef67c2e03596119e1cc39beb39d", kill_on_drop: false }`
[INFO] [stdout] 99b1c67e81a2135ae24d0e4dae2fb1b80718aef67c2e03596119e1cc39beb39d