[INFO] fetching crate tubular 0.0.1...
[INFO] testing tubular-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tubular 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tubular 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tubular 0.0.1
[INFO] finished tweaking crates.io crate tubular 0.0.1
[INFO] tweaked toml for crates.io crate tubular 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] 4bd30a0dcf430fc15663046592bdbed7b608c9c38381d85a59ea633bd2d62011
[INFO] running `"docker" "start" "-a" "4bd30a0dcf430fc15663046592bdbed7b608c9c38381d85a59ea633bd2d62011"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "4bd30a0dcf430fc15663046592bdbed7b608c9c38381d85a59ea633bd2d62011"`
[INFO] running `"docker" "rm" "-f" "4bd30a0dcf430fc15663046592bdbed7b608c9c38381d85a59ea633bd2d62011"`
[INFO] [stdout] 4bd30a0dcf430fc15663046592bdbed7b608c9c38381d85a59ea633bd2d62011
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] f7dea286961db57d10633c15c97ba5e3495984d8d35fd90d2f185800ecb25d81
[INFO] running `"docker" "start" "-a" "f7dea286961db57d10633c15c97ba5e3495984d8d35fd90d2f185800ecb25d81"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "f7dea286961db57d10633c15c97ba5e3495984d8d35fd90d2f185800ecb25d81"`
[INFO] running `"docker" "rm" "-f" "f7dea286961db57d10633c15c97ba5e3495984d8d35fd90d2f185800ecb25d81"`
[INFO] [stdout] f7dea286961db57d10633c15c97ba5e3495984d8d35fd90d2f185800ecb25d81
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] 4198c03bdba77cf40cf7c80ea72b5061aaa82ac954b3c1eddfbe07c5f7a17aca
[INFO] running `"docker" "start" "-a" "4198c03bdba77cf40cf7c80ea72b5061aaa82ac954b3c1eddfbe07c5f7a17aca"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tubular-a6ce14aa464c8a6b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::column_iterator_impl ... ok
[INFO] [stdout] test tests::row_iterator_impl ... ok
[INFO] [stdout] test tests::dynamically_add_columns ... ok
[INFO] [stdout] test tests::displays_as_table ... ok
[INFO] [stdout] test tests::flexibly_add_columns ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tubular
[INFO] [stderr] warning: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stderr]    --> /opt/rustwide/workdir/src/dataframe.rs:17:1
[INFO] [stderr]     |
[INFO] [stderr] 17  | / /// A 2D matrix of cells of mixed types useful for exploratory data analysis.
[INFO] [stderr] 18  | | ///
[INFO] [stderr] 19  | | /// ## Basic Concept
[INFO] [stderr] 20  | | ///
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | | /// [`Header`]: type.Header.html
[INFO] [stderr] 118 | | /// [`Row`]: struct.Row.html
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_codeblock_attribute)]` on by default
[INFO] [stderr]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stderr]    --> /opt/rustwide/workdir/src/dataframe.rs:17:1
[INFO] [stderr]     |
[INFO] [stderr] 17  | / /// A 2D matrix of cells of mixed types useful for exploratory data analysis.
[INFO] [stderr] 18  | | ///
[INFO] [stderr] 19  | | /// ## Basic Concept
[INFO] [stderr] 20  | | ///
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | | /// [`Header`]: type.Header.html
[INFO] [stderr] 118 | | /// [`Row`]: struct.Row.html
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::headers (line 179) ... ok
[INFO] [stdout] test src/column.rs - column::Column::len (line 159) ... ok
[INFO] [stdout] test src/column.rs - column::column::Column (line 31) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::len (line 167) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 62) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::rows (line 208) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 70) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 83) ... ok
[INFO] [stdout] test src/row.rs - row::Row (line 17) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 105) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::push (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4198c03bdba77cf40cf7c80ea72b5061aaa82ac954b3c1eddfbe07c5f7a17aca"`
[INFO] running `"docker" "rm" "-f" "4198c03bdba77cf40cf7c80ea72b5061aaa82ac954b3c1eddfbe07c5f7a17aca"`
[INFO] [stdout] 4198c03bdba77cf40cf7c80ea72b5061aaa82ac954b3c1eddfbe07c5f7a17aca