[INFO] updating cached repository https://github.com/duvholt/rust-metaheuristic-framework [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 11c125e2a2840aed9b61b2f40b7bc406ec9970f2 [INFO] testing duvholt/rust-metaheuristic-framework against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvholt%2Frust-metaheuristic-framework" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/duvholt/rust-metaheuristic-framework on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/duvholt/rust-metaheuristic-framework [INFO] finished tweaking git repo https://github.com/duvholt/rust-metaheuristic-framework [INFO] tweaked toml for git repo https://github.com/duvholt/rust-metaheuristic-framework written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/duvholt/rust-metaheuristic-framework already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] e51e0ce9a60ee7543b0f15a0b830d9613e137fef7901377b910e3434af954770 [INFO] running `"docker" "start" "-a" "e51e0ce9a60ee7543b0f15a0b830d9613e137fef7901377b910e3434af954770"` [INFO] [stderr] Compiling serde v1.0.38 [INFO] [stderr] Compiling assert_approx_eq v1.0.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling statistical v0.1.1 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling serde_derive v1.0.38 [INFO] [stderr] Compiling serde_json v1.0.14 [INFO] [stderr] Compiling rustoa v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fitness_evaluation.rs:7:31 [INFO] [stderr] | [INFO] [stderr] 7 | pub type SingleTestFunction = Fn(&Vec) -> f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> f64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fitness_evaluation.rs:8:30 [INFO] [stderr] | [INFO] [stderr] 8 | pub type MultiTestFunction = Fn(&Vec) -> Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> Vec` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fitness_evaluation.rs:79:88 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn read_shifted(&mut self, number: usize, dimensions: usize) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fitness_evaluation.rs:93:87 [INFO] [stderr] | [INFO] [stderr] 93 | pub fn read_rotate(&mut self, number: usize, dimensions: usize) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/solution.rs:32:35 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn from_single(solution: &Solution) -> SolutionJSON { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Solution` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/solution.rs:39:34 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn from_multi(solution: &Solution>) -> SolutionJSON { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solution>` [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 `rustoa`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e51e0ce9a60ee7543b0f15a0b830d9613e137fef7901377b910e3434af954770"` [INFO] running `"docker" "rm" "-f" "e51e0ce9a60ee7543b0f15a0b830d9613e137fef7901377b910e3434af954770"` [INFO] [stdout] e51e0ce9a60ee7543b0f15a0b830d9613e137fef7901377b910e3434af954770