[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] testing AngelOnFira/rust-modular-exponentiation-calculator against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelOnFira%2Frust-modular-exponentiation-calculator" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AngelOnFira/rust-modular-exponentiation-calculator 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/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-11/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] f57b05b0a1c76068f5056abdd17ba86b791b8d784551c152418b5cb71f89358d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f57b05b0a1c76068f5056abdd17ba86b791b8d784551c152418b5cb71f89358d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling rustc-cfg v0.2.0 [INFO] [stderr] Compiling ieee754 v0.2.2 [INFO] [stderr] Compiling hamming v0.1.3 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling ramp v0.3.12 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling mod_pow v0.1.0 (https://github.com/kunerd/mod_pow#c3a01b12) [INFO] [stderr] Compiling modexp v0.2.2 [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:18:24 [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[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/lib.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | #![feature(core_intrinsics, asm, allocator_api)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/lib.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | #![feature(step_trait, ptr_internals, alloc)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] 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] 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] 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] 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:163:40 [INFO] [stderr] | [INFO] [stderr] 163 | self.ptr = Unique::new(vec.ptr()).unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.3.12/src/int.rs:164:31 [INFO] [stderr] | [INFO] [stderr] 164 | let new_cap = vec.cap(); [INFO] [stderr] | ^^^ private field, not a method [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:186:36 [INFO] [stderr] | [INFO] [stderr] 186 | ret.with_raw_vec(|v| v.reserve_exact(0, cap as usize)) [INFO] [stderr] | ^^^^^^^^^^^^^ [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:275:15 [INFO] [stderr] | [INFO] [stderr] 275 | v.shrink_to_fit(size); [INFO] [stderr] | ^^^^^^^^^^^^^ [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:760:19 [INFO] [stderr] | [INFO] [stderr] 760 | v.reserve_exact(old_cap, cap as usize - old_cap) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 13 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `ramp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f57b05b0a1c76068f5056abdd17ba86b791b8d784551c152418b5cb71f89358d"` [INFO] running `"docker" "rm" "-f" "f57b05b0a1c76068f5056abdd17ba86b791b8d784551c152418b5cb71f89358d"` [INFO] [stdout] f57b05b0a1c76068f5056abdd17ba86b791b8d784551c152418b5cb71f89358d