[INFO] updating cached repository heyrutvik/turing-script
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/heyrutvik/turing-script
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/heyrutvik/turing-script" "work/ex/beta-1.38-1/sources/1.37.0/gh/heyrutvik/turing-script"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/heyrutvik/turing-script'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/heyrutvik/turing-script" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/heyrutvik/turing-script"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/heyrutvik/turing-script'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c57311ab0f431fe6dc644700a303db8f82a41fa7
[INFO] sha for GitHub repo heyrutvik/turing-script: c57311ab0f431fe6dc644700a303db8f82a41fa7
[INFO] validating manifest of heyrutvik/turing-script 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 heyrutvik/turing-script 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 heyrutvik/turing-script
[INFO] finished frobbing heyrutvik/turing-script
[INFO] frobbed toml for heyrutvik/turing-script written to work/ex/beta-1.38-1/sources/1.37.0/gh/heyrutvik/turing-script/Cargo.toml
[INFO] started frobbing heyrutvik/turing-script
[INFO] finished frobbing heyrutvik/turing-script
[INFO] frobbed toml for heyrutvik/turing-script written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/heyrutvik/turing-script/Cargo.toml
[INFO] crate heyrutvik/turing-script 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 heyrutvik/turing-script 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/heyrutvik/turing-script:/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] a522928c467923310e3332b5b708b784e5d555c7b3ce0b3b2fedbe60d950b4eb
[INFO] running `"docker" "start" "-a" "a522928c467923310e3332b5b708b784e5d555c7b3ce0b3b2fedbe60d950b4eb"`
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling turing-script v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]   --> src/elaborator.rs:12:46
[INFO] [stderr]    |
[INFO] [stderr] 12 |             [Term::Exec(e1), Term::Exec(e2), rest..] => match (e1, e2) {
[INFO] [stderr]    |                                              ^^^^^^ help: try using the maximum value for the type: `rest..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]  --> src/helper.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |         [head, rest..] => Term::Seq(box head.clone(), box rule_seq(rest)),
[INFO] [stderr]   |                ^^^^^^ help: try using the maximum value for the type: `rest..MAX`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::slice::SliceConcatExt`
[INFO] [stderr]  --> src/core.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use std::slice::SliceConcatExt;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `SliceConcatExt` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]   --> src/elaborator.rs:12:46
[INFO] [stderr]    |
[INFO] [stderr] 12 |             [Term::Exec(e1), Term::Exec(e2), rest..] => match (e1, e2) {
[INFO] [stderr]    |                                              ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]   --> src/elaborator.rs:15:39
[INFO] [stderr]    |
[INFO] [stderr] 15 |                     [&v1[..], &expand(rest)[..]].concat()
[INFO] [stderr]    |                                       ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]   --> src/elaborator.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 |                     [&v1[..], &expand(rest)[..]].concat()
[INFO] [stderr]    |                                       ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]   --> src/elaborator.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     [&v1[..], &expand(rest)[..]].concat()
[INFO] [stderr]    |                                       ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]   --> src/elaborator.rs:37:39
[INFO] [stderr]    |
[INFO] [stderr] 37 |                     [&v1[..], &expand(rest)[..]].concat()
[INFO] [stderr]    |                                       ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]  --> src/helper.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |         [head, rest..] => Term::Seq(box head.clone(), box rule_seq(rest)),
[INFO] [stderr]   |                ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]  --> src/helper.rs:6:68
[INFO] [stderr]   |
[INFO] [stderr] 6 |         [head, rest..] => Term::Seq(box head.clone(), box rule_seq(rest)),
[INFO] [stderr]   |                                                                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_concat_ext)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(box_syntax, box_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]   --> src/elaborator.rs:12:46
[INFO] [stderr]    |
[INFO] [stderr] 12 |             [Term::Exec(e1), Term::Exec(e2), rest..] => match (e1, e2) {
[INFO] [stderr]    |                                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]  --> src/helper.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 |         [head, rest..] => Term::Seq(box head.clone(), box rule_seq(rest)),
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `turing-script`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a522928c467923310e3332b5b708b784e5d555c7b3ce0b3b2fedbe60d950b4eb"`
[INFO] running `"docker" "rm" "-f" "a522928c467923310e3332b5b708b784e5d555c7b3ce0b3b2fedbe60d950b4eb"`
[INFO] [stdout] a522928c467923310e3332b5b708b784e5d555c7b3ce0b3b2fedbe60d950b4eb