[INFO] updating cached repository shmatov/life-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shmatov/life-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shmatov/life-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/shmatov/life-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shmatov/life-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shmatov/life-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shmatov/life-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shmatov/life-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bb8052a21766c5f59a593125d40bddd43043eb4
[INFO] sha for GitHub repo shmatov/life-rs: 3bb8052a21766c5f59a593125d40bddd43043eb4
[INFO] validating manifest of shmatov/life-rs 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 shmatov/life-rs 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 shmatov/life-rs
[INFO] finished frobbing shmatov/life-rs
[INFO] frobbed toml for shmatov/life-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/shmatov/life-rs/Cargo.toml
[INFO] started frobbing shmatov/life-rs
[INFO] finished frobbing shmatov/life-rs
[INFO] frobbed toml for shmatov/life-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shmatov/life-rs/Cargo.toml
[INFO] crate shmatov/life-rs 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 shmatov/life-rs 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-7/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/shmatov/life-rs:/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] 4ea85741b4593b683b0fc1362c6711c7b72269ce974f338d221c1cde2fde3073
[INFO] running `"docker" "start" "-a" "4ea85741b4593b683b0fc1362c6711c7b72269ce974f338d221c1cde2fde3073"`
[INFO] [stderr]    Compiling life-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/core.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (-1...1)
[INFO] [stderr]    |        ^^^
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (-1..1)
[INFO] [stderr]    |        ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (-1..=1)
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/core.rs:12:32
[INFO] [stderr]    |
[INFO] [stderr] 12 |         .flat_map(move |dx| (-1...1).map(move |dy| (x + dx, y + dy)))
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 12 |         .flat_map(move |dx| (-1..1).map(move |dy| (x + dx, y + dy)))
[INFO] [stderr]    |                                ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 12 |         .flat_map(move |dx| (-1..=1).map(move |dy| (x + dx, y + dy)))
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/graphics.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for row in min_row...max_row {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for row in min_row..max_row {
[INFO] [stderr]    |                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for row in min_row..=max_row {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/graphics.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 |             for col in min_col...max_col {
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]    |
[INFO] [stderr] 30 |             for col in min_col..max_col {
[INFO] [stderr]    |                               ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] 30 |             for col in min_col..=max_col {
[INFO] [stderr]    |                               ^^^
[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(conservative_impl_trait)]
[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(inclusive_range_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `life-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ea85741b4593b683b0fc1362c6711c7b72269ce974f338d221c1cde2fde3073"`
[INFO] running `"docker" "rm" "-f" "4ea85741b4593b683b0fc1362c6711c7b72269ce974f338d221c1cde2fde3073"`
[INFO] [stdout] 4ea85741b4593b683b0fc1362c6711c7b72269ce974f338d221c1cde2fde3073