[INFO] fetching crate tubular 0.0.1...
[INFO] testing tubular-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tubular 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tubular 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37c705c7aac605ed85c6fb564a2b55782e83a5cb137276820c81381e4bf50694
[INFO] running `Command { std: "docker" "start" "-a" "37c705c7aac605ed85c6fb564a2b55782e83a5cb137276820c81381e4bf50694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37c705c7aac605ed85c6fb564a2b55782e83a5cb137276820c81381e4bf50694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c705c7aac605ed85c6fb564a2b55782e83a5cb137276820c81381e4bf50694", kill_on_drop: false }`
[INFO] [stdout] 37c705c7aac605ed85c6fb564a2b55782e83a5cb137276820c81381e4bf50694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12afdf73283bf1fdbadc65fcec543e1dc695c36ece6eb6d00a1a121b9a0cd125
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "12afdf73283bf1fdbadc65fcec543e1dc695c36ece6eb6d00a1a121b9a0cd125", kill_on_drop: false }`
[INFO] [stderr]    Compiling tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/column.rs:64:13
[INFO] [stdout]     |
[INFO] [stdout] 64  |               #[macro_use]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / column_types!($ col=Column, col_type=ColumnType,
[INFO] [stdout] 123 | |     |inner T| variant_id ; option_id
[INFO] [stdout] 124 | |     |u32    | U32        ; U32Opt,
[INFO] [stdout] 125 | |     |i32    | I32        ; I32Opt,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     |String | String     ; StringOpt
[INFO] [stdout] 129 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `column_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "12afdf73283bf1fdbadc65fcec543e1dc695c36ece6eb6d00a1a121b9a0cd125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12afdf73283bf1fdbadc65fcec543e1dc695c36ece6eb6d00a1a121b9a0cd125", kill_on_drop: false }`
[INFO] [stdout] 12afdf73283bf1fdbadc65fcec543e1dc695c36ece6eb6d00a1a121b9a0cd125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61330af6b76ec89446ccafc2c452b8b0ccb52d1b2ee4e3da16cd2355490c7eed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61330af6b76ec89446ccafc2c452b8b0ccb52d1b2ee4e3da16cd2355490c7eed", kill_on_drop: false }`
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/column.rs:64:13
[INFO] [stdout]     |
[INFO] [stdout] 64  |               #[macro_use]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / column_types!($ col=Column, col_type=ColumnType,
[INFO] [stdout] 123 | |     |inner T| variant_id ; option_id
[INFO] [stdout] 124 | |     |u32    | U32        ; U32Opt,
[INFO] [stdout] 125 | |     |i32    | I32        ; I32Opt,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     |String | String     ; StringOpt
[INFO] [stdout] 129 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `column_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/column.rs:64:13
[INFO] [stdout]     |
[INFO] [stdout] 64  |               #[macro_use]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / column_types!($ col=Column, col_type=ColumnType,
[INFO] [stdout] 123 | |     |inner T| variant_id ; option_id
[INFO] [stdout] 124 | |     |u32    | U32        ; U32Opt,
[INFO] [stdout] 125 | |     |i32    | I32        ; I32Opt,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     |String | String     ; StringOpt
[INFO] [stdout] 129 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `column_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "61330af6b76ec89446ccafc2c452b8b0ccb52d1b2ee4e3da16cd2355490c7eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61330af6b76ec89446ccafc2c452b8b0ccb52d1b2ee4e3da16cd2355490c7eed", kill_on_drop: false }`
[INFO] [stdout] 61330af6b76ec89446ccafc2c452b8b0ccb52d1b2ee4e3da16cd2355490c7eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3b8173e8b67e3eb7b809551f3de4aa6bbc5bb3de24a41693556ac319d7e5d6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d3b8173e8b67e3eb7b809551f3de4aa6bbc5bb3de24a41693556ac319d7e5d6b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout] running 5 tests
[INFO] [stderr]    --> src/column.rs:64:13
[INFO] [stdout] test tests::column_iterator_impl ... ok
[INFO] [stderr]     |
[INFO] [stderr] 64  |               #[macro_use]
[INFO] [stderr]     |               ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 122 | / column_types!($ col=Column, col_type=ColumnType,
[INFO] [stderr] 123 | |     |inner T| variant_id ; option_id
[INFO] [stderr] 124 | |     |u32    | U32        ; U32Opt,
[INFO] [stderr] 125 | |     |i32    | I32        ; I32Opt,
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     |String | String     ; StringOpt
[INFO] [stderr] 129 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `column_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tubular` (lib) generated 1 warning
[INFO] [stderr] warning: `tubular` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tubular-e0e2f132ec319186)
[INFO] [stdout] test tests::dynamically_add_columns ... ok
[INFO] [stderr]    Doc-tests tubular
[INFO] [stdout] test tests::displays_as_table ... ok
[INFO] [stdout] test tests::row_iterator_impl ... 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; finished in 0.01s
[INFO] [stdout] 
[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(rustdoc::invalid_codeblock_attributes)]` 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 70) ... ok
[INFO] [stdout] test src/column.rs - column::column::Column (line 134) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 62) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame (line 83) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::headers (line 179) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::len (line 167) ... ok
[INFO] [stdout] test src/row.rs - row::Row (line 17) ... ok
[INFO] [stdout] test src/dataframe.rs - dataframe::DataFrame::rows (line 208) ... ok
[INFO] [stdout] test src/column.rs - column::Column::len (line 159) ... 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; finished in 4.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3b8173e8b67e3eb7b809551f3de4aa6bbc5bb3de24a41693556ac319d7e5d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b8173e8b67e3eb7b809551f3de4aa6bbc5bb3de24a41693556ac319d7e5d6b", kill_on_drop: false }`
[INFO] [stdout] d3b8173e8b67e3eb7b809551f3de4aa6bbc5bb3de24a41693556ac319d7e5d6b