[INFO] updating cached repository https://github.com/shmatov/life-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bb8052a21766c5f59a593125d40bddd43043eb4
[INFO] testing shmatov/life-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmatov%2Flife-rs" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shmatov/life-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shmatov/life-rs
[INFO] finished tweaking git repo https://github.com/shmatov/life-rs
[INFO] tweaked toml for git repo https://github.com/shmatov/life-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/shmatov/life-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 298a6a1de2f36cce47df9443cd947fd4b0c39dea15053f69cb8b788da79b1a53
[INFO] running `"docker" "start" "-a" "298a6a1de2f36cce47df9443cd947fd4b0c39dea15053f69cb8b788da79b1a53"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling life-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]   --> src/core.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (-1...1)
[INFO] [stderr]    |        ^^^
[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]    |
[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]    |
[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]    |
[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 stable 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 stable 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" "298a6a1de2f36cce47df9443cd947fd4b0c39dea15053f69cb8b788da79b1a53"`
[INFO] running `"docker" "rm" "-f" "298a6a1de2f36cce47df9443cd947fd4b0c39dea15053f69cb8b788da79b1a53"`
[INFO] [stdout] 298a6a1de2f36cce47df9443cd947fd4b0c39dea15053f69cb8b788da79b1a53