[INFO] crate rage 0.0.19 is already in cache
[INFO] testing rage-0.0.19 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rage 0.0.19 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate rage 0.0.19 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rage 0.0.19
[INFO] finished tweaking crates.io crate rage 0.0.19
[INFO] tweaked toml for crates.io crate rage 0.0.19 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] be819d9895450c1b7aceb8a31c66d3227b6622c38b7b4595af3cfb634c2c6c9c
[INFO] running `"docker" "start" "-a" "be819d9895450c1b7aceb8a31c66d3227b6622c38b7b4595af3cfb634c2c6c9c"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling strum v0.11.0
[INFO] [stderr]    Compiling stdweb v0.4.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.8
[INFO] [stderr]    Compiling stdweb-derive v0.5.2
[INFO] [stderr]    Compiling rage v0.0.19 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | #![feature(try_from, try_trait, never_type)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `__internal_console_unsafe`, `__js_raw_asm`, `_js_impl`, `console`, `js`
[INFO] [stderr]   --> src/cmp.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 | use stdweb::{__internal_console_unsafe, __js_raw_asm, _js_impl, console, js};
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/styled.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 |     collections::{hash_map::DefaultHasher, HashMap, HashSet},
[INFO] [stderr]   |                                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `State`
[INFO] [stderr]  --> src/vdom.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cmp::{State, STATE},
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `__internal_console_unsafe`, `__js_raw_asm`, `_js_impl`, `console`
[INFO] [stderr]   --> src/vdom.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     __internal_console_unsafe,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |     __js_raw_asm,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 13 |     _js_impl,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 14 |     console,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trivial cast: `&std::string::String` as `&str`
[INFO] [stderr]    --> src/vdom.rs:166:11
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 match input_type as &str {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:41:2
[INFO] [stderr]     |
[INFO] [stderr] 41  |     trivial_casts,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rage`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "be819d9895450c1b7aceb8a31c66d3227b6622c38b7b4595af3cfb634c2c6c9c"`
[INFO] running `"docker" "rm" "-f" "be819d9895450c1b7aceb8a31c66d3227b6622c38b7b4595af3cfb634c2c6c9c"`
[INFO] [stdout] be819d9895450c1b7aceb8a31c66d3227b6622c38b7b4595af3cfb634c2c6c9c