[INFO] updating cached repository 1011X/emily-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/1011X/emily-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/1011X/emily-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/1011X/emily-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/1011X/emily-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/1011X/emily-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/1011X/emily-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/1011X/emily-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f442c17247e6039ddbe88b26072f60bf3cf0276
[INFO] sha for GitHub repo 1011X/emily-rust: 4f442c17247e6039ddbe88b26072f60bf3cf0276
[INFO] validating manifest of 1011X/emily-rust 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 1011X/emily-rust 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 1011X/emily-rust
[INFO] finished frobbing 1011X/emily-rust
[INFO] frobbed toml for 1011X/emily-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/1011X/emily-rust/Cargo.toml
[INFO] started frobbing 1011X/emily-rust
[INFO] finished frobbing 1011X/emily-rust
[INFO] frobbed toml for 1011X/emily-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/1011X/emily-rust/Cargo.toml
[INFO] crate 1011X/emily-rust already has a lockfile, it will not be regenerated
[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 1011X/emily-rust 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/1011X/emily-rust:/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] cf1eaa1f8d598774028c88f40b17289a8fa6f3bfb3a353dd3b46bdf5de04f537
[INFO] running `"docker" "start" "-a" "cf1eaa1f8d598774028c88f40b17289a8fa6f3bfb3a353dd3b46bdf5de04f537"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling emily-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokenize`
[INFO] [stderr]   --> src/value_util.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 99 |             body: tokenize::snippet(source, text.to_owned()),
[INFO] [stderr]    |                   ^^^^^^^^ use of undeclared type or module `tokenize`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(box_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/value_util.rs:334:24
[INFO] [stderr]     |
[INFO] [stderr] 334 |       snippet_closure(2, |args| match *args {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 335 | |         [key, value] => {
[INFO] [stderr] 336 | |             action(key, value);
[INFO] [stderr] 337 | |             Ok(Value::Null)
[INFO] [stderr] 338 | |         }
[INFO] [stderr] 339 | |         _ => impossible_arg("make_let"),
[INFO] [stderr] 340 | |     })
[INFO] [stderr]     | |_____^ expected fn pointer, found closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(std::vec::Vec<value::Value>) -> std::result::Result<value::Value, std::string::String>`
[INFO] [stderr]                found type `[closure@src/value_util.rs:334:24: 340:6 action:_]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0433, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `emily-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cf1eaa1f8d598774028c88f40b17289a8fa6f3bfb3a353dd3b46bdf5de04f537"`
[INFO] running `"docker" "rm" "-f" "cf1eaa1f8d598774028c88f40b17289a8fa6f3bfb3a353dd3b46bdf5de04f537"`
[INFO] [stdout] cf1eaa1f8d598774028c88f40b17289a8fa6f3bfb3a353dd3b46bdf5de04f537