[INFO] cloning repository https://github.com/cfiet/rust-advent-of-code-2018 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfiet/rust-advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 395b460f2409c48cf7fd4cfc82d8568624da24e8 [INFO] checking cfiet/rust-advent-of-code-2018 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfiet/rust-advent-of-code-2018 on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cfiet/rust-advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/cfiet/rust-advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/cfiet/rust-advent-of-code-2018 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/cfiet/rust-advent-of-code-2018 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 7c59e46b17e8fc7991acf644c8b86c2bd9b9f4f1f746f6223395b44dc68d8f71 [INFO] running `"docker" "start" "-a" "7c59e46b17e8fc7991acf644c8b86c2bd9b9f4f1f746f6223395b44dc68d8f71"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking rust-advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: the type `std::rc::Rc>` does not permit zero-initialization [INFO] [stderr] --> src/day9.rs:59:22 [INFO] [stderr] | [INFO] [stderr] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] warning: the type `std::rc::Rc>` does not permit zero-initialization [INFO] [stderr] --> src/day9.rs:60:22 [INFO] [stderr] | [INFO] [stderr] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: the type `std::rc::Rc>` does not permit zero-initialization [INFO] [stderr] --> src/day9.rs:59:22 [INFO] [stderr] | [INFO] [stderr] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] warning: the type `std::rc::Rc>` does not permit zero-initialization [INFO] [stderr] --> src/day9.rs:60:22 [INFO] [stderr] | [INFO] [stderr] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.08s [INFO] running `"docker" "inspect" "7c59e46b17e8fc7991acf644c8b86c2bd9b9f4f1f746f6223395b44dc68d8f71"` [INFO] running `"docker" "rm" "-f" "7c59e46b17e8fc7991acf644c8b86c2bd9b9f4f1f746f6223395b44dc68d8f71"` [INFO] [stdout] 7c59e46b17e8fc7991acf644c8b86c2bd9b9f4f1f746f6223395b44dc68d8f71