[INFO] updating cached repository https://github.com/AngelOnFira/rust-modular-exponentiation-calculator [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] fce76e1c9d90ce662178c4e86c58453db9c2dd91 [INFO] checking AngelOnFira/rust-modular-exponentiation-calculator against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator [INFO] finished tweaking git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator [INFO] tweaked toml for git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bf5729034abb1dbc6277cdbf9d545447fdfbd339a553b7c0142b883ab7e73695 [INFO] running `"docker" "start" "-a" "bf5729034abb1dbc6277cdbf9d545447fdfbd339a553b7c0142b883ab7e73695"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling rustc-cfg v0.2.0 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking ieee754 v0.2.2 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking modexp v0.2.2 [INFO] [stderr] Checking mod_pow v0.1.0 (https://github.com/kunerd/mod_pow#c3a01b12) [INFO] [stderr] Compiling ramp v0.3.12 [INFO] [stderr] error[E0432]: unresolved imports `alloc::allocator`, `alloc::allocator` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/mem.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 18 | use alloc::allocator::{self, Alloc}; [INFO] [stderr] | ^^^^^^^^^ ^^^^ no `allocator` in the root [INFO] [stderr] | | [INFO] [stderr] | could not find `allocator` in `alloc` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `alloc::heap` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/mem.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use alloc::heap; [INFO] [stderr] | ^^^^^^^^^^^ no `heap` in the root [INFO] [stderr] [INFO] [stderr] error[E0407]: method `replace_one` is not a member of trait `std::iter::Step` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:3637:5 [INFO] [stderr] | [INFO] [stderr] 3637 | / fn replace_one(&mut self) -> Self { [INFO] [stderr] 3638 | | mem::replace(self, Self::one()) [INFO] [stderr] 3639 | | } [INFO] [stderr] | |_____^ not a member of trait `std::iter::Step` [INFO] [stderr] [INFO] [stderr] error[E0407]: method `replace_zero` is not a member of trait `std::iter::Step` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:3641:5 [INFO] [stderr] | [INFO] [stderr] 3641 | / fn replace_zero(&mut self) -> Self { [INFO] [stderr] 3642 | | mem::replace(self, Self::zero()) [INFO] [stderr] 3643 | | } [INFO] [stderr] | |_____^ not a member of trait `std::iter::Step` [INFO] [stderr] [INFO] [stderr] error[E0407]: method `add_one` is not a member of trait `std::iter::Step` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:3645:5 [INFO] [stderr] | [INFO] [stderr] 3645 | / fn add_one(&self) -> Self { [INFO] [stderr] 3646 | | self + 1 [INFO] [stderr] 3647 | | } [INFO] [stderr] | |_____^ not a member of trait `std::iter::Step` [INFO] [stderr] [INFO] [stderr] error[E0407]: method `sub_one` is not a member of trait `std::iter::Step` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:3649:5 [INFO] [stderr] | [INFO] [stderr] 3649 | / fn sub_one(&self) -> Self { [INFO] [stderr] 3650 | | self - 1 [INFO] [stderr] 3651 | | } [INFO] [stderr] | |_____^ not a member of trait `std::iter::Step` [INFO] [stderr] [INFO] [stderr] error[E0407]: method `add_usize` is not a member of trait `std::iter::Step` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:3653:5 [INFO] [stderr] | [INFO] [stderr] 3653 | / fn add_usize(&self, n: usize) -> Option { [INFO] [stderr] 3654 | | Some(self + Int::from(n)) [INFO] [stderr] 3655 | | } [INFO] [stderr] | |_____^ not a member of trait `std::iter::Step` [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | use alloc::raw_vec::RawVec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:152:36 [INFO] [stderr] | [INFO] [stderr] 152 | fn with_raw_vec)>(&mut self, f: F) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:155:27 [INFO] [stderr] | [INFO] [stderr] 155 | let mut vec = RawVec::from_raw_parts(self.ptr.as_mut(), old_cap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:939:22 [INFO] [stderr] | [INFO] [stderr] 939 | drop(RawVec::from_raw_parts(self.ptr.as_mut(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:3625:1 [INFO] [stderr] | [INFO] [stderr] 3625 | / impl std::iter::Step for Int { [INFO] [stderr] 3626 | | fn steps_between(start: &Int, end: &Int) -> Option { [INFO] [stderr] 3627 | | let diff = (start - end).abs(); [INFO] [stderr] 3628 | | [INFO] [stderr] ... | [INFO] [stderr] 3655 | | } [INFO] [stderr] 3656 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 12 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0200, E0407, E0432, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0200`. [INFO] [stderr] error: could not compile `ramp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "bf5729034abb1dbc6277cdbf9d545447fdfbd339a553b7c0142b883ab7e73695"` [INFO] running `"docker" "rm" "-f" "bf5729034abb1dbc6277cdbf9d545447fdfbd339a553b7c0142b883ab7e73695"` [INFO] [stdout] bf5729034abb1dbc6277cdbf9d545447fdfbd339a553b7c0142b883ab7e73695