[INFO] updating cached repository KyussCaesar/dataframes1
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KyussCaesar/dataframes1
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KyussCaesar/dataframes1" "work/ex/beta-1.38-1/sources/1.37.0/gh/KyussCaesar/dataframes1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/KyussCaesar/dataframes1'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KyussCaesar/dataframes1" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KyussCaesar/dataframes1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KyussCaesar/dataframes1'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 501fed8e16f6d14bc8fe32aed164b3058ef7513e
[INFO] sha for GitHub repo KyussCaesar/dataframes1: 501fed8e16f6d14bc8fe32aed164b3058ef7513e
[INFO] validating manifest of KyussCaesar/dataframes1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of KyussCaesar/dataframes1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing KyussCaesar/dataframes1
[INFO] finished frobbing KyussCaesar/dataframes1
[INFO] frobbed toml for KyussCaesar/dataframes1 written to work/ex/beta-1.38-1/sources/1.37.0/gh/KyussCaesar/dataframes1/Cargo.toml
[INFO] started frobbing KyussCaesar/dataframes1
[INFO] finished frobbing KyussCaesar/dataframes1
[INFO] frobbed toml for KyussCaesar/dataframes1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KyussCaesar/dataframes1/Cargo.toml
[INFO] crate KyussCaesar/dataframes1 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing KyussCaesar/dataframes1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KyussCaesar/dataframes1:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e6e2028f5ef5bfba7a4fe6137d452d9ec27e72248a73d295dccac696ecdf7884
[INFO] running `"docker" "start" "-a" "e6e2028f5ef5bfba7a4fe6137d452d9ec27e72248a73d295dccac696ecdf7884"`
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling df-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `dataframe::traits`
[INFO] [stderr]   --> src/lib.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub use dataframe::traits::*;
[INFO] [stderr]    |                    ^^^^^^ could not find `traits` in `dataframe`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Extend`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::iter::Extend;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude::*`
[INFO] [stderr]  --> src/select/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/select/mod.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / macro_rules! select
[INFO] [stderr] 9  | | {
[INFO] [stderr] 10 | |     ( $typename:ident, $($item:ident),* ) =>
[INFO] [stderr] 11 | |     {
[INFO] [stderr] 12 | |         |r| $typename { $(r.$item)* }
[INFO] [stderr] 13 | |     }
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude::*`
[INFO] [stderr]  --> src/mutate/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/gather/mod.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / macro_rules! gather
[INFO] [stderr] 8  | | {
[INFO] [stderr] 9  | |     ($key:ident, $val:ident, $( $col:ident ),*) =>
[INFO] [stderr] 10 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `df-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e6e2028f5ef5bfba7a4fe6137d452d9ec27e72248a73d295dccac696ecdf7884"`
[INFO] running `"docker" "rm" "-f" "e6e2028f5ef5bfba7a4fe6137d452d9ec27e72248a73d295dccac696ecdf7884"`
[INFO] [stdout] e6e2028f5ef5bfba7a4fe6137d452d9ec27e72248a73d295dccac696ecdf7884