[INFO] updating cached repository feadoor/rustdoku [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/feadoor/rustdoku [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/feadoor/rustdoku" "work/ex/beta-1.38-1/sources/1.37.0/gh/feadoor/rustdoku"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/feadoor/rustdoku'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/feadoor/rustdoku" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/feadoor/rustdoku"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/feadoor/rustdoku'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aefa643c9e93ba38c4458563983ab6ad7f62af06 [INFO] sha for GitHub repo feadoor/rustdoku: aefa643c9e93ba38c4458563983ab6ad7f62af06 [INFO] validating manifest of feadoor/rustdoku 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 feadoor/rustdoku 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 feadoor/rustdoku [INFO] finished frobbing feadoor/rustdoku [INFO] frobbed toml for feadoor/rustdoku written to work/ex/beta-1.38-1/sources/1.37.0/gh/feadoor/rustdoku/Cargo.toml [INFO] started frobbing feadoor/rustdoku [INFO] finished frobbing feadoor/rustdoku [INFO] frobbed toml for feadoor/rustdoku written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/feadoor/rustdoku/Cargo.toml [INFO] crate feadoor/rustdoku 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing feadoor/rustdoku 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/feadoor/rustdoku:/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] 965393c80d0dec5c7dd20113d310fcb577c91a41c23ac8704ae890ddecfc932e [INFO] running `"docker" "start" "-a" "965393c80d0dec5c7dd20113d310fcb577c91a41c23ac8704ae890ddecfc932e"` [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling either v1.0.2 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling itertools v0.5.7 [INFO] [stderr] Compiling rand v0.5.3 [INFO] [stderr] Compiling rustdoku 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(generators, generator_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/analyser/mod.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | constraints: Vec<&'a Fn(&SolveDetails) -> bool>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&SolveDetails) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/grid/cellset.rs:78:18 [INFO] [stderr] | [INFO] [stderr] 78 | 0...63 => lo |= 1 << cell, [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/grid/cellset.rs:79:19 [INFO] [stderr] | [INFO] [stderr] 79 | 64...81 => hi |= 1 << (cell - 64), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/grid/cellset.rs:116:14 [INFO] [stderr] | [INFO] [stderr] 116 | 0...63 => self.lo & (1 << cell) != 0, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/grid/cellset.rs:117:15 [INFO] [stderr] | [INFO] [stderr] 117 | 64...81 => self.hi & (1 << (cell - 64)) != 0, [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 `rustdoku`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "965393c80d0dec5c7dd20113d310fcb577c91a41c23ac8704ae890ddecfc932e"` [INFO] running `"docker" "rm" "-f" "965393c80d0dec5c7dd20113d310fcb577c91a41c23ac8704ae890ddecfc932e"` [INFO] [stdout] 965393c80d0dec5c7dd20113d310fcb577c91a41c23ac8704ae890ddecfc932e