[INFO] crate flow 0.3.5 is already in cache
[INFO] extracting crate flow 0.3.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/flow/0.3.5
[INFO] extracting crate flow 0.3.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flow/0.3.5
[INFO] validating manifest of flow-0.3.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flow-0.3.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flow-0.3.5
[INFO] finished frobbing flow-0.3.5
[INFO] frobbed toml for flow-0.3.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/flow/0.3.5/Cargo.toml
[INFO] started frobbing flow-0.3.5
[INFO] finished frobbing flow-0.3.5
[INFO] frobbed toml for flow-0.3.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flow/0.3.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing flow-0.3.5 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flow/0.3.5:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2ad6c5f80caff1d468078ee8d6666e5664d3826b0554710cf05735dc5e25c769
[INFO] running `"docker" "start" "-a" "2ad6c5f80caff1d468078ee8d6666e5664d3826b0554710cf05735dc5e25c769"`
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling flow v0.3.5 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/utils/config_file.rs:63:24
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut path = env::home_dir().unwrap();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/ui/readline.rs:122:20
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let mut path = env::home_dir().unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `contains` found for type `std::option::Option<std::string::String>` in the current scope
[INFO] [stderr]   --> src/ui/input.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if name.contains('^') {
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::option::Option<std::string::String>` in the current scope
[INFO] [stderr]   --> src/ui/input.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let value = Key::Char(name.chars().last().unwrap());
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `flow`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2ad6c5f80caff1d468078ee8d6666e5664d3826b0554710cf05735dc5e25c769"`
[INFO] running `"docker" "rm" "-f" "2ad6c5f80caff1d468078ee8d6666e5664d3826b0554710cf05735dc5e25c769"`
[INFO] [stdout] 2ad6c5f80caff1d468078ee8d6666e5664d3826b0554710cf05735dc5e25c769