[INFO] fetching crate ramp-primes 0.4.1...
[INFO] checking ramp-primes-0.4.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate ramp-primes 0.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ramp-primes 0.4.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ramp-primes 0.4.1
[INFO] finished tweaking crates.io crate ramp-primes 0.4.1
[INFO] tweaked toml for crates.io crate ramp-primes 0.4.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4ffb70b03d99ab7d465cddedc284cead7ab68cbe388e8d2dcbe02aa6ab043c57
[INFO] running `"docker" "start" "-a" "4ffb70b03d99ab7d465cddedc284cead7ab68cbe388e8d2dcbe02aa6ab043c57"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling ramp v0.5.7
[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-0.5.7/src/int.rs:3709:5
[INFO] [stderr]      |
[INFO] [stderr] 3709 | /     fn replace_one(&mut self) -> Self {
[INFO] [stderr] 3710 | |         mem::replace(self, Self::one())
[INFO] [stderr] 3711 | |     }
[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-0.5.7/src/int.rs:3713:5
[INFO] [stderr]      |
[INFO] [stderr] 3713 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stderr] 3714 | |         mem::replace(self, Self::zero())
[INFO] [stderr] 3715 | |     }
[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-0.5.7/src/int.rs:3717:5
[INFO] [stderr]      |
[INFO] [stderr] 3717 | /     fn add_one(&self) -> Self {
[INFO] [stderr] 3718 | |         self + 1
[INFO] [stderr] 3719 | |     }
[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-0.5.7/src/int.rs:3721:5
[INFO] [stderr]      |
[INFO] [stderr] 3721 | /     fn sub_one(&self) -> Self {
[INFO] [stderr] 3722 | |         self - 1
[INFO] [stderr] 3723 | |     }
[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-0.5.7/src/int.rs:3725:5
[INFO] [stderr]      |
[INFO] [stderr] 3725 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stderr] 3726 | |         Some(self + Int::from(n))
[INFO] [stderr] 3727 | |     }
[INFO] [stderr]      | |_____^ not a member of trait `std::iter::Step`
[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-0.5.7/src/int.rs:3697:1
[INFO] [stderr]      |
[INFO] [stderr] 3697 | / impl std::iter::Step for Int {
[INFO] [stderr] 3698 | |     fn steps_between(start: &Int, end: &Int) -> Option<usize> {
[INFO] [stderr] 3699 | |         let diff = (start - end).abs();
[INFO] [stderr] 3700 | |
[INFO] [stderr] ...    |
[INFO] [stderr] 3727 | |     }
[INFO] [stderr] 3728 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0200, E0407.
[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" "4ffb70b03d99ab7d465cddedc284cead7ab68cbe388e8d2dcbe02aa6ab043c57"`
[INFO] running `"docker" "rm" "-f" "4ffb70b03d99ab7d465cddedc284cead7ab68cbe388e8d2dcbe02aa6ab043c57"`
[INFO] [stdout] 4ffb70b03d99ab7d465cddedc284cead7ab68cbe388e8d2dcbe02aa6ab043c57