[INFO] crate database_exporter 0.1.4 is already in cache
[INFO] extracting crate database_exporter 0.1.4 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/database_exporter/0.1.4
[INFO] extracting crate database_exporter 0.1.4 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/database_exporter/0.1.4
[INFO] validating manifest of database_exporter-0.1.4 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of database_exporter-0.1.4 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing database_exporter-0.1.4
[INFO] finished frobbing database_exporter-0.1.4
[INFO] frobbed toml for database_exporter-0.1.4 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/database_exporter/0.1.4/Cargo.toml
[INFO] started frobbing database_exporter-0.1.4
[INFO] finished frobbing database_exporter-0.1.4
[INFO] frobbed toml for database_exporter-0.1.4 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/database_exporter/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing database_exporter-0.1.4 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/database_exporter/0.1.4:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] f00e9c51064b999fdd73179957f6198f75158a1e666d674eabf5aeb050031424
[INFO] running `"docker" "start" "-a" "f00e9c51064b999fdd73179957f6198f75158a1e666d674eabf5aeb050031424"`
[INFO] [stderr]    Compiling rusqlite v0.13.0
[INFO] [stderr]    Compiling fake v1.2.2
[INFO] [stderr]    Compiling database_exporter v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_column_names`
[INFO] [stderr]  --> src/generate_records.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_column_names(conn: &Connection) -> Vec<String> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `"docker" "inspect" "f00e9c51064b999fdd73179957f6198f75158a1e666d674eabf5aeb050031424"`
[INFO] running `"docker" "rm" "-f" "f00e9c51064b999fdd73179957f6198f75158a1e666d674eabf5aeb050031424"`
[INFO] [stdout] f00e9c51064b999fdd73179957f6198f75158a1e666d674eabf5aeb050031424
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/database_exporter/0.1.4:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ae88dcd1c67a475f8baa466f36e31b2c2402a62c1b64632cd0578079481ebcc
[INFO] running `"docker" "start" "-a" "2ae88dcd1c67a475f8baa466f36e31b2c2402a62c1b64632cd0578079481ebcc"`
[INFO] [stderr]    Compiling database_exporter v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "2ae88dcd1c67a475f8baa466f36e31b2c2402a62c1b64632cd0578079481ebcc"`
[INFO] running `"docker" "rm" "-f" "2ae88dcd1c67a475f8baa466f36e31b2c2402a62c1b64632cd0578079481ebcc"`
[INFO] [stdout] 2ae88dcd1c67a475f8baa466f36e31b2c2402a62c1b64632cd0578079481ebcc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/database_exporter/0.1.4:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] c3037e2f1b75d958f34fe159116c233548d482d9c2b860578c45b7380622e70e
[INFO] running `"docker" "start" "-a" "c3037e2f1b75d958f34fe159116c233548d482d9c2b860578c45b7380622e70e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/database_exporter-f0ed1eca928d3adf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generate_records::tests::test_column_names ... ok
[INFO] [stdout] test generate_records::tests::bench_generate_records ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/database_exporter-8cd2dede6a018591
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generate_records::tests::test_column_names ... ok
[INFO] [stdout] test generate_records::tests::bench_generate_records ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests database_exporter
[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" "c3037e2f1b75d958f34fe159116c233548d482d9c2b860578c45b7380622e70e"`
[INFO] running `"docker" "rm" "-f" "c3037e2f1b75d958f34fe159116c233548d482d9c2b860578c45b7380622e70e"`
[INFO] [stdout] c3037e2f1b75d958f34fe159116c233548d482d9c2b860578c45b7380622e70e