[INFO] updating cached repository https://github.com/angelini/dataframes
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce7514cc3a1a58a7f739019c356ef327f9a54e06
[INFO] testing angelini/dataframes against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelini%2Fdataframes" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelini/dataframes on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/angelini/dataframes
[INFO] finished tweaking git repo https://github.com/angelini/dataframes
[INFO] tweaked toml for git repo https://github.com/angelini/dataframes written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/angelini/dataframes already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52c244d810418327f1bbca0dea9da8038ff2c68f06d333b6fc5637423454227e
[INFO] running `"docker" "start" "-a" "52c244d810418327f1bbca0dea9da8038ff2c68f06d333b6fc5637423454227e"`
[INFO] [stderr]    Compiling dataframes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(write!(f, "{}", col))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(writeln!(f, ""))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "52c244d810418327f1bbca0dea9da8038ff2c68f06d333b6fc5637423454227e"`
[INFO] running `"docker" "rm" "-f" "52c244d810418327f1bbca0dea9da8038ff2c68f06d333b6fc5637423454227e"`
[INFO] [stdout] 52c244d810418327f1bbca0dea9da8038ff2c68f06d333b6fc5637423454227e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8fac5439d8eca90c24f7cd052981e65f1111ae2ef3482a36c6b375aa1e9b300
[INFO] running `"docker" "start" "-a" "f8fac5439d8eca90c24f7cd052981e65f1111ae2ef3482a36c6b375aa1e9b300"`
[INFO] [stderr]    Compiling dataframes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(write!(f, "{}", col))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(writeln!(f, ""))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "f8fac5439d8eca90c24f7cd052981e65f1111ae2ef3482a36c6b375aa1e9b300"`
[INFO] running `"docker" "rm" "-f" "f8fac5439d8eca90c24f7cd052981e65f1111ae2ef3482a36c6b375aa1e9b300"`
[INFO] [stdout] f8fac5439d8eca90c24f7cd052981e65f1111ae2ef3482a36c6b375aa1e9b300
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bda5b8e369f752be2f66cc4d3015b115c13d72b48c552d417ccff461411060e
[INFO] running `"docker" "start" "-a" "6bda5b8e369f752be2f66cc4d3015b115c13d72b48c552d417ccff461411060e"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(write!(f, "{}", col))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(writeln!(f, ""))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dataframes-a99b0e3eefef8724
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::can_detect_empty_col ... ok
[INFO] [stdout] test tests::can_select_column_from_query ... ok
[INFO] [stdout] test tests::optimize_will_move_filters_upwards ... ok
[INFO] [stdout] test tests::optimize_will_remove_an_empty_col ... ok
[INFO] [stdout] test tests::step_can_find_the_widest_filter_action ... ok
[INFO] [stdout] test tests::can_select_all_columns_from_query ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6bda5b8e369f752be2f66cc4d3015b115c13d72b48c552d417ccff461411060e"`
[INFO] running `"docker" "rm" "-f" "6bda5b8e369f752be2f66cc4d3015b115c13d72b48c552d417ccff461411060e"`
[INFO] [stdout] 6bda5b8e369f752be2f66cc4d3015b115c13d72b48c552d417ccff461411060e