[INFO] cloning repository baxtersa/arrow
[INFO] running `"git" "clone" "--bare" "git://github.com/baxtersa/arrow.git" "work/cache/sources/gh/baxtersa/arrow"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/baxtersa/arrow'...
[INFO] running `"git" "clone" "work/cache/sources/gh/baxtersa/arrow" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/baxtersa/arrow"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/baxtersa/arrow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baxtersa/arrow" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/baxtersa/arrow"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/baxtersa/arrow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83495bc6e246f87eca9ce739ca50ede6b38980b0
[INFO] sha for GitHub repo baxtersa/arrow: 83495bc6e246f87eca9ce739ca50ede6b38980b0
[INFO] validating manifest of baxtersa/arrow on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of baxtersa/arrow on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing baxtersa/arrow
[INFO] finished frobbing baxtersa/arrow
[INFO] frobbed toml for baxtersa/arrow written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/baxtersa/arrow/Cargo.toml
[INFO] started frobbing baxtersa/arrow
[INFO] finished frobbing baxtersa/arrow
[INFO] frobbed toml for baxtersa/arrow written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/baxtersa/arrow/Cargo.toml
[INFO] crate baxtersa/arrow already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing baxtersa/arrow against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/baxtersa/arrow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] a45c856d5df622095e80d9f6dfff7d7b0e8d5eb9ed8436d1e87b925159172b9a
[INFO] running `"docker" "start" "-a" "a45c856d5df622095e80d9f6dfff7d7b0e8d5eb9ed8436d1e87b925159172b9a"`
[INFO] [stderr]    Compiling arrow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `arrow::monads::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use arrow::monads::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "a45c856d5df622095e80d9f6dfff7d7b0e8d5eb9ed8436d1e87b925159172b9a"`
[INFO] running `"docker" "rm" "-f" "a45c856d5df622095e80d9f6dfff7d7b0e8d5eb9ed8436d1e87b925159172b9a"`
[INFO] [stdout] a45c856d5df622095e80d9f6dfff7d7b0e8d5eb9ed8436d1e87b925159172b9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/baxtersa/arrow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0e98599d237ec80a7b7d43a21046bd320db6147c8b0768803f78f55c48045ebd
[INFO] running `"docker" "start" "-a" "0e98599d237ec80a7b7d43a21046bd320db6147c8b0768803f78f55c48045ebd"`
[INFO] [stderr]    Compiling arrow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `arrow::monads::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use arrow::monads::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "0e98599d237ec80a7b7d43a21046bd320db6147c8b0768803f78f55c48045ebd"`
[INFO] running `"docker" "rm" "-f" "0e98599d237ec80a7b7d43a21046bd320db6147c8b0768803f78f55c48045ebd"`
[INFO] [stdout] 0e98599d237ec80a7b7d43a21046bd320db6147c8b0768803f78f55c48045ebd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/baxtersa/arrow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] c9f3099466b707e1b70597d9c2dd8a58f31b727a850ebedc1875db9025882940
[INFO] running `"docker" "start" "-a" "c9f3099466b707e1b70597d9c2dd8a58f31b727a850ebedc1875db9025882940"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arrow-a1723f37aacb0514
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arrow-bd9205e6f2a778ae
[INFO] [stdout] test monads::monad::option_ret ... ok
[INFO] [stdout] test monads::monad::option_bind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arrow
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c9f3099466b707e1b70597d9c2dd8a58f31b727a850ebedc1875db9025882940"`
[INFO] running `"docker" "rm" "-f" "c9f3099466b707e1b70597d9c2dd8a58f31b727a850ebedc1875db9025882940"`
[INFO] [stdout] c9f3099466b707e1b70597d9c2dd8a58f31b727a850ebedc1875db9025882940