[INFO] cloning repository https://github.com/cfiet/rust-advent-of-code-2018 [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 395b460f2409c48cf7fd4cfc82d8568624da24e8 [INFO] checking cfiet/rust-advent-of-code-2018 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfiet/rust-advent-of-code-2018 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-3/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.8.0 [INFO] [stderr] Downloaded memchr v2.1.2 [INFO] [stderr] Downloaded time v0.1.40 [INFO] [stderr] Downloaded regex-syntax v0.6.4 [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 880399cad84c78995908e6181f4b5c0111e767f7a2f5723e9bac35ea005fa1f3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "880399cad84c78995908e6181f4b5c0111e767f7a2f5723e9bac35ea005fa1f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "880399cad84c78995908e6181f4b5c0111e767f7a2f5723e9bac35ea005fa1f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "880399cad84c78995908e6181f4b5c0111e767f7a2f5723e9bac35ea005fa1f3", kill_on_drop: false }` [INFO] [stdout] 880399cad84c78995908e6181f4b5c0111e767f7a2f5723e9bac35ea005fa1f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9944850d43e728d6c3c6e3feeffb5753a9f510b5cfb90006e48cd5a52e5ff406 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9944850d43e728d6c3c6e3feeffb5753a9f510b5cfb90006e48cd5a52e5ff406", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [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] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking rust-advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `std::ptr::NonNull>>` must be non-null (in this struct field) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.76s [INFO] running `Command { std: "docker" "inspect" "9944850d43e728d6c3c6e3feeffb5753a9f510b5cfb90006e48cd5a52e5ff406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9944850d43e728d6c3c6e3feeffb5753a9f510b5cfb90006e48cd5a52e5ff406", kill_on_drop: false }` [INFO] [stdout] 9944850d43e728d6c3c6e3feeffb5753a9f510b5cfb90006e48cd5a52e5ff406