[INFO] fetching crate rs-arrow-merge-schema 0.1.0...
[INFO] testing rs-arrow-merge-schema-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rs-arrow-merge-schema 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rs-arrow-merge-schema 0.1.0
[INFO] finished tweaking crates.io crate rs-arrow-merge-schema 0.1.0
[INFO] tweaked toml for crates.io crate rs-arrow-merge-schema 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-arrow-merge-schema 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-arrow-merge-schema 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d126d7c95a1f7c679fbacaf42f14605b6ff4b366c8d09dad69dd5a0c82d3f85e
[INFO] running `Command { std: "docker" "start" "-a" "d126d7c95a1f7c679fbacaf42f14605b6ff4b366c8d09dad69dd5a0c82d3f85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d126d7c95a1f7c679fbacaf42f14605b6ff4b366c8d09dad69dd5a0c82d3f85e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d126d7c95a1f7c679fbacaf42f14605b6ff4b366c8d09dad69dd5a0c82d3f85e", kill_on_drop: false }`
[INFO] [stdout] d126d7c95a1f7c679fbacaf42f14605b6ff4b366c8d09dad69dd5a0c82d3f85e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4505925bf371bf3ae205c8b5e713f386344888ab728402e7d9d6033641f024
[INFO] running `Command { std: "docker" "start" "-a" "4a4505925bf371bf3ae205c8b5e713f386344888ab728402e7d9d6033641f024", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrow-schema v56.0.0
[INFO] [stderr]    Compiling rs-arrow-merge-schema v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "4a4505925bf371bf3ae205c8b5e713f386344888ab728402e7d9d6033641f024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4505925bf371bf3ae205c8b5e713f386344888ab728402e7d9d6033641f024", kill_on_drop: false }`
[INFO] [stdout] 4a4505925bf371bf3ae205c8b5e713f386344888ab728402e7d9d6033641f024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2faadef52ba31afa1a02dadf131f97411fd5f9eacfd4cfb74c8e5ab9122688
[INFO] running `Command { std: "docker" "start" "-a" "dd2faadef52ba31afa1a02dadf131f97411fd5f9eacfd4cfb74c8e5ab9122688", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-arrow-merge-schema v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "dd2faadef52ba31afa1a02dadf131f97411fd5f9eacfd4cfb74c8e5ab9122688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2faadef52ba31afa1a02dadf131f97411fd5f9eacfd4cfb74c8e5ab9122688", kill_on_drop: false }`
[INFO] [stdout] dd2faadef52ba31afa1a02dadf131f97411fd5f9eacfd4cfb74c8e5ab9122688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6c76c6e55ad70aed648fb7121d8aaba7bfe0d2f672b0c12677b2b4e89fa86dd
[INFO] running `Command { std: "docker" "start" "-a" "d6c76c6e55ad70aed648fb7121d8aaba7bfe0d2f672b0c12677b2b4e89fa86dd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_arrow_merge_schema-fbbe3ddda2b14888)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_merge_field_nullability ... ok
[INFO] [stdout] test tests::test_merge_field_type_promotion ... ok
[INFO] [stdout] test tests::test_merge_field_user_newer ... ok
[INFO] [stdout] test tests::test_promote_integer ... ok
[INFO] [stdout] test tests::test_merge_schema_unordered ... ok
[INFO] [stdout] test tests::test_promote_float ... ok
[INFO] [stdout] test tests::test_merge_schema_unordered_no_overlap ... ok
[INFO] [stdout] test tests::test_promote_unsigned ... ok
[INFO] [stdout] test tests::test_promote_signed ... ok
[INFO] [stdout] test tests::test_promote_numeric ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_arrow_merge_schema
[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" "d6c76c6e55ad70aed648fb7121d8aaba7bfe0d2f672b0c12677b2b4e89fa86dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c76c6e55ad70aed648fb7121d8aaba7bfe0d2f672b0c12677b2b4e89fa86dd", kill_on_drop: false }`
[INFO] [stdout] d6c76c6e55ad70aed648fb7121d8aaba7bfe0d2f672b0c12677b2b4e89fa86dd