[INFO] updating cached repository https://github.com/nwoeanhinnogaehr/coronene [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] 9f35c06ad1657d9a00b8186c824a1cdc88bbc4ab [INFO] testing nwoeanhinnogaehr/coronene against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnwoeanhinnogaehr%2Fcoronene" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nwoeanhinnogaehr/coronene 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/nwoeanhinnogaehr/coronene [INFO] finished tweaking git repo https://github.com/nwoeanhinnogaehr/coronene [INFO] tweaked toml for git repo https://github.com/nwoeanhinnogaehr/coronene written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/nwoeanhinnogaehr/coronene 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4f0e671108f7fdc30dd29c41ed0e73eed6e21a32548fbc9249134d1e3e7513e5 [INFO] running `"docker" "start" "-a" "4f0e671108f7fdc30dd29c41ed0e73eed6e21a32548fbc9249134d1e3e7513e5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.15 [INFO] [stderr] Compiling union-find v0.3.1 [INFO] [stderr] Compiling bit-vec v0.4.3 [INFO] [stderr] Compiling fnv v1.0.3 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling coronene v0.1.0 (/opt/rustwide/workdir) [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(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:390:9 [INFO] [stderr] | [INFO] [stderr] 390 | try!(write!(f, " ")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:392:13 [INFO] [stderr] | [INFO] [stderr] 392 | try!(write!(f, "{} ", (x + 'a' as Coord) as u8 as char)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:395:13 [INFO] [stderr] | [INFO] [stderr] 395 | try!(write!(f, "\n")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:397:17 [INFO] [stderr] | [INFO] [stderr] 397 | try!(write!(f, " ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:399:13 [INFO] [stderr] | [INFO] [stderr] 399 | try!(write!(f, "{:2}\\", y + 1)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:402:32 [INFO] [stderr] | [INFO] [stderr] 402 | Some(c) => try!(write!(f, "{}", c)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:403:29 [INFO] [stderr] | [INFO] [stderr] 403 | None => try!(write!(f, "+")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:406:21 [INFO] [stderr] | [INFO] [stderr] 406 | try!(write!(f, " ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:409:13 [INFO] [stderr] | [INFO] [stderr] 409 | try!(write!(f, "\\{}", y + 1)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:411:9 [INFO] [stderr] | [INFO] [stderr] 411 | try!(write!(f, "\n ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:413:13 [INFO] [stderr] | [INFO] [stderr] 413 | try!(write!(f, " ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/player/board.rs:416:13 [INFO] [stderr] | [INFO] [stderr] 416 | try!(write!(f, "{} ", (x + 'a' as Coord) as u8 as char)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 12 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `coronene`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4f0e671108f7fdc30dd29c41ed0e73eed6e21a32548fbc9249134d1e3e7513e5"` [INFO] running `"docker" "rm" "-f" "4f0e671108f7fdc30dd29c41ed0e73eed6e21a32548fbc9249134d1e3e7513e5"` [INFO] [stdout] 4f0e671108f7fdc30dd29c41ed0e73eed6e21a32548fbc9249134d1e3e7513e5