[INFO] updating cached repository https://github.com/cjm00/rust-wfc [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] 76b262ba3707afe22f6a6d8a9699aa9413d91955 [INFO] testing cjm00/rust-wfc against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm00%2Frust-wfc" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cjm00/rust-wfc 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/cjm00/rust-wfc [INFO] finished tweaking git repo https://github.com/cjm00/rust-wfc [INFO] tweaked toml for git repo https://github.com/cjm00/rust-wfc written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/cjm00/rust-wfc 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 98ad66c44d1937722dab29ed827b7b51a0f112a6765d2e7502d37d3cf11d0241 [INFO] running `"docker" "start" "-a" "98ad66c44d1937722dab29ed827b7b51a0f112a6765d2e7502d37d3cf11d0241"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.1.36 [INFO] [stderr] Compiling matrixmultiply v0.1.13 [INFO] [stderr] Compiling ndarray v0.9.0 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling adler32 v1.0.0 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling inflate v0.1.1 [INFO] [stderr] Compiling bit-vec v0.4.3 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling itertools v0.6.0 [INFO] [stderr] Compiling deflate v0.7.5 [INFO] [stderr] Compiling num-integer v0.1.33 [INFO] [stderr] Compiling num-complex v0.1.37 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling num v0.1.36 [INFO] [stderr] Compiling chrono v0.3.0 [INFO] [stderr] Compiling png v0.6.2 [INFO] [stderr] Compiling rust-wfc 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:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/overlappingmodel.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | / /// Marks all but a single state of the BitVec as forbidden, randomly chosen [INFO] [stderr] 89 | | /// from the states still permitted and weighted by their frequency in the original image. [INFO] [stderr] | |__________________________________________________________________________________________________^ [INFO] [stderr] 90 | let mut possible_states = self.possible_states.borrow_mut(); [INFO] [stderr] | ------------------------------------------------------------ rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/utils.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | / /// Returns an index from the slice of (T, u) where u is the integer weight, i.e. [INFO] [stderr] 41 | | /// [('a', 3), ('b', 1), ('c', 1)] returns 0 (the index of 'a') with probability 3/5 [INFO] [stderr] | |________________________________________________________________________________________^ [INFO] [stderr] 42 | [INFO] [stderr] 43 | / let total: usize = input.iter() [INFO] [stderr] 44 | | .map(|&(_, u)| u) [INFO] [stderr] 45 | | .zip(mask.into_iter()) [INFO] [stderr] 46 | | .filter(|&(_, m)| m) [INFO] [stderr] 47 | | .map(|(u, _)| u) [INFO] [stderr] 48 | | .sum(); [INFO] [stderr] | |_______________- rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `rust-wfc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "98ad66c44d1937722dab29ed827b7b51a0f112a6765d2e7502d37d3cf11d0241"` [INFO] running `"docker" "rm" "-f" "98ad66c44d1937722dab29ed827b7b51a0f112a6765d2e7502d37d3cf11d0241"` [INFO] [stdout] 98ad66c44d1937722dab29ed827b7b51a0f112a6765d2e7502d37d3cf11d0241