[INFO] crate flow 0.3.5 is already in cache
[INFO] extracting crate flow 0.3.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/flow/0.3.5
[INFO] extracting crate flow 0.3.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flow/0.3.5
[INFO] validating manifest of flow-0.3.5 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 flow-0.3.5 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 flow-0.3.5
[INFO] finished frobbing flow-0.3.5
[INFO] frobbed toml for flow-0.3.5 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/flow/0.3.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing flow-0.3.5 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b47134b0781e7ddd39715004ea0a370c54c31157a348f69b6d73c0d274490402
[INFO] running `"docker" "start" "-a" "b47134b0781e7ddd39715004ea0a370c54c31157a348f69b6d73c0d274490402"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/utils/ansi_decoder.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / lazy_static! {
[INFO] [stderr] 26 | |     static ref ANSI_TO_NCURSES_MAPPING: HashMap<&'static str, Style> = {
[INFO] [stderr] 27 | |         let mut codes = HashMap::new();
[INFO] [stderr] 28 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |     };
[INFO] [stderr] 65 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/utils/ansi_decoder.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | /         lazy_static! {
[INFO] [stderr] 83 | |             static ref BREAK_ANSI_MATCHER: Regex = Regex::new(r"(\x1b\[\d+m)|([^\x1b]*)").unwrap();
[INFO] [stderr] 84 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/utils/ansi_decoder.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | /         lazy_static! {
[INFO] [stderr] 131 | |             static ref STRIP_ANSI_MATCHER: Regex = Regex::new(r"(\x1b\[\d+m)").unwrap();
[INFO] [stderr] 132 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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/utils/config_file.rs:63:24
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut path = env::home_dir().unwrap();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/core/runner.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | / lazy_static! {
[INFO] [stderr] 29 | |     pub static ref RUNNING: AtomicBool = AtomicBool::new(true);
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/ui/search.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 | /         lazy_static! {
[INFO] [stderr] 202 | |             static ref SHORTCUT_MATCHER: Regex = Regex::new(r"(.*)?(\[(\w)\])(.*)?").unwrap();
[INFO] [stderr] 203 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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[E0658]: use of unstable library feature 'option_result_contains'
[INFO] [stderr]   --> src/ui/input.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if name.contains('^') {
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/62358
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/ui/input.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if name.contains('^') {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          expected reference, found char
[INFO] [stderr]    |                          help: consider borrowing here: `&'^'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&_`
[INFO] [stderr]               found type `char`
[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 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `flow`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b47134b0781e7ddd39715004ea0a370c54c31157a348f69b6d73c0d274490402"`
[INFO] running `"docker" "rm" "-f" "b47134b0781e7ddd39715004ea0a370c54c31157a348f69b6d73c0d274490402"`
[INFO] [stdout] b47134b0781e7ddd39715004ea0a370c54c31157a348f69b6d73c0d274490402