[INFO] fetching crate flow 0.3.5...
[INFO] testing flow-0.3.5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate flow 0.3.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flow 0.3.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow 0.3.5
[INFO] finished tweaking crates.io crate flow 0.3.5
[INFO] tweaked toml for crates.io crate flow 0.3.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04304f6335b94de3c0df928d43a4e116b700c8d592ff4dc2daab85b8cd3b3652
[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" "04304f6335b94de3c0df928d43a4e116b700c8d592ff4dc2daab85b8cd3b3652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04304f6335b94de3c0df928d43a4e116b700c8d592ff4dc2daab85b8cd3b3652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04304f6335b94de3c0df928d43a4e116b700c8d592ff4dc2daab85b8cd3b3652", kill_on_drop: false }`
[INFO] [stdout] 04304f6335b94de3c0df928d43a4e116b700c8d592ff4dc2daab85b8cd3b3652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18017b675bf7aae22c968f0d6c1ecd2efb3bd3ce4e2a87d1cd53695db77acb7b
[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" "18017b675bf7aae22c968f0d6c1ecd2efb3bd3ce4e2a87d1cd53695db77acb7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling flow v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/filter.rs:340:23
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 name: try!(d.read_struct_field("name", 0, |d| d.read_str())),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/utils/ansi_decoder.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / lazy_static! {
[INFO] [stdout] 26 | |     static ref ANSI_TO_NCURSES_MAPPING: HashMap<&'static str, Style> = {
[INFO] [stdout] 27 | |         let mut codes = HashMap::new();
[INFO] [stdout] 28 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |     };
[INFO] [stdout] 65 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/utils/ansi_decoder.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         lazy_static! {
[INFO] [stdout] 83 | |             static ref BREAK_ANSI_MATCHER: Regex = Regex::new(r"(\x1b\[\d+m)|([^\x1b]*)").unwrap();
[INFO] [stdout] 84 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/utils/ansi_decoder.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | /         lazy_static! {
[INFO] [stdout] 131 | |             static ref STRIP_ANSI_MATCHER: Regex = Regex::new(r"(\x1b\[\d+m)").unwrap();
[INFO] [stdout] 132 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/utils/config_file.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut path = env::home_dir().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/runner.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / lazy_static! {
[INFO] [stdout] 29 | |     pub static ref RUNNING: AtomicBool = AtomicBool::new(true);
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/ui/search.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 | /         lazy_static! {
[INFO] [stdout] 202 | |             static ref SHORTCUT_MATCHER: Regex = Regex::new(r"(.*)?(\[(\w)\])(.*)?").unwrap();
[INFO] [stdout] 203 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/ui/readline.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let mut path = env::home_dir().unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'option_result_contains'
[INFO] [stdout]   --> src/ui/input.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |         if name.contains('^') {
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #62358 <https://github.com/rust-lang/rust/issues/62358> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/ui/input.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         if name.contains('^') {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          expected reference, found `char`
[INFO] [stdout]    |                          help: consider borrowing here: `&'^'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&_`
[INFO] [stdout]                    found type `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for enum `std::option::Option<std::string::String>` in the current scope
[INFO] [stdout]   --> src/ui/input.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |             let value = Key::Char(name.chars().last().unwrap());
[INFO] [stdout]    |                                        ^^^^^ method not found in `std::option::Option<std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flow`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "18017b675bf7aae22c968f0d6c1ecd2efb3bd3ce4e2a87d1cd53695db77acb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18017b675bf7aae22c968f0d6c1ecd2efb3bd3ce4e2a87d1cd53695db77acb7b", kill_on_drop: false }`
[INFO] [stdout] 18017b675bf7aae22c968f0d6c1ecd2efb3bd3ce4e2a87d1cd53695db77acb7b
