[INFO] updating cached repository Ristarg/tachyon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ristarg/tachyon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ristarg/tachyon" "work/ex/beta-1.38-1/sources/1.37.0/gh/Ristarg/tachyon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Ristarg/tachyon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ristarg/tachyon" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ristarg/tachyon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ristarg/tachyon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17496d078260189253b5d39ed64a063d0af3d145
[INFO] sha for GitHub repo Ristarg/tachyon: 17496d078260189253b5d39ed64a063d0af3d145
[INFO] validating manifest of Ristarg/tachyon 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 Ristarg/tachyon 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 Ristarg/tachyon
[INFO] finished frobbing Ristarg/tachyon
[INFO] frobbed toml for Ristarg/tachyon written to work/ex/beta-1.38-1/sources/1.37.0/gh/Ristarg/tachyon/Cargo.toml
[INFO] started frobbing Ristarg/tachyon
[INFO] finished frobbing Ristarg/tachyon
[INFO] frobbed toml for Ristarg/tachyon written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ristarg/tachyon/Cargo.toml
[INFO] crate Ristarg/tachyon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Ristarg/tachyon against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ristarg/tachyon:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cf152dff20b388e8d377d2c6cb2c551740e55284b50b2de95b5183985c5aa7ec
[INFO] running `"docker" "start" "-a" "cf152dff20b388e8d377d2c6cb2c551740e55284b50b2de95b5183985c5aa7ec"`
[INFO] [stderr]    Compiling tachyon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_patterns, iterator_repeat_with)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interpreter/mod.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | type FnBin = Fn(Vec<f64>) -> f64;
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<f64>) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 '0'...'9' => Token::NumberLiteral(self.read_number()),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         Some('0'...'9') => Token::NumberLiteral(-self.read_number()),
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:66:31
[INFO] [stderr]    |
[INFO] [stderr] 66 |         while let Some(c @ '0'...'9') = self.source.cur_char() {
[INFO] [stderr]    |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:77:35
[INFO] [stderr]    |
[INFO] [stderr] 77 |             while let Some(c @ '0'...'9') = self.source.cur_char() {
[INFO] [stderr]    |                                   ^^^ help: use `..=` for an inclusive range
[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 `tachyon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cf152dff20b388e8d377d2c6cb2c551740e55284b50b2de95b5183985c5aa7ec"`
[INFO] running `"docker" "rm" "-f" "cf152dff20b388e8d377d2c6cb2c551740e55284b50b2de95b5183985c5aa7ec"`
[INFO] [stdout] cf152dff20b388e8d377d2c6cb2c551740e55284b50b2de95b5183985c5aa7ec