[INFO] fetching crate mm_image 0.1.0... [INFO] testing mm_image-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate mm_image 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate mm_image 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mm_image 0.1.0 [INFO] finished tweaking crates.io crate mm_image 0.1.0 [INFO] tweaked toml for crates.io crate mm_image 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-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=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] 631e7b2fff1cedef1f7be77802e15e1bfaeca81a81f4ff34802dbed844b8d9ef [INFO] running `"docker" "start" "-a" "631e7b2fff1cedef1f7be77802e15e1bfaeca81a81f4ff34802dbed844b8d9ef"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mm_math v0.0.6 [INFO] [stderr] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mm_math-0.0.6/src/vector.rs:6:3 [INFO] [stderr] | [INFO] [stderr] 6 | One, [INFO] [stderr] | ^^^ no `One` in `num` [INFO] [stderr] 7 | Zero, [INFO] [stderr] | ^^^^ no `Zero` in `num` [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/mm_math-0.0.6/src/lib.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | #![feature(zero_one)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `mm_math`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "631e7b2fff1cedef1f7be77802e15e1bfaeca81a81f4ff34802dbed844b8d9ef"` [INFO] running `"docker" "rm" "-f" "631e7b2fff1cedef1f7be77802e15e1bfaeca81a81f4ff34802dbed844b8d9ef"` [INFO] [stdout] 631e7b2fff1cedef1f7be77802e15e1bfaeca81a81f4ff34802dbed844b8d9ef