[INFO] updating cached repository https://github.com/cfiet/rust-advent-of-code-2018 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 395b460f2409c48cf7fd4cfc82d8568624da24e8 [INFO] testing cfiet/rust-advent-of-code-2018 against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfiet/rust-advent-of-code-2018 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-4/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 `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 316c109caeb143762a0d1cfc56a254e72a46353cb2024889f794dc5f19ab7109 [INFO] running `"docker" "start" "-a" "316c109caeb143762a0d1cfc56a254e72a46353cb2024889f794dc5f19ab7109"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling 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 [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 [INFO] [stderr] | [INFO] [stderr] note: std::ptr::NonNull>> must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.26s [INFO] running `"docker" "inspect" "316c109caeb143762a0d1cfc56a254e72a46353cb2024889f794dc5f19ab7109"` [INFO] running `"docker" "rm" "-f" "316c109caeb143762a0d1cfc56a254e72a46353cb2024889f794dc5f19ab7109"` [INFO] [stdout] 316c109caeb143762a0d1cfc56a254e72a46353cb2024889f794dc5f19ab7109 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] b857ba8631b45cfa7f74cf5f8d9fd5e4fc9cb9af79c5ebac64874de90987697b [INFO] running `"docker" "start" "-a" "b857ba8631b45cfa7f74cf5f8d9fd5e4fc9cb9af79c5ebac64874de90987697b"` [INFO] [stderr] Compiling 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 [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 [INFO] [stderr] | [INFO] [stderr] note: std::ptr::NonNull>> must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `"docker" "inspect" "b857ba8631b45cfa7f74cf5f8d9fd5e4fc9cb9af79c5ebac64874de90987697b"` [INFO] running `"docker" "rm" "-f" "b857ba8631b45cfa7f74cf5f8d9fd5e4fc9cb9af79c5ebac64874de90987697b"` [INFO] [stdout] b857ba8631b45cfa7f74cf5f8d9fd5e4fc9cb9af79c5ebac64874de90987697b [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] ef2aeffdcf457b7cd9967bbbe5a04227bead2f8c97328fa3109e357411f4069c [INFO] running `"docker" "start" "-a" "ef2aeffdcf457b7cd9967bbbe5a04227bead2f8c97328fa3109e357411f4069c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_advent_of_code_2018-a49ea406020e6efe [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test day2::test::are_close_returns_false_when_strings_are_different_length ... ok [INFO] [stdout] test day2::test::are_close_returns_false_when_strings_have_more_then_one_different_character ... ok [INFO] [stdout] test day2::test::are_close_returns_false_if_strings_are_same ... ok [INFO] [stdout] test day2::test::are_close_returns_true_if_strings_have_no_more_then_one_different_character ... ok [INFO] [stdout] test day8::test::test_input_parsing ... ok [INFO] [stdout] test day5::test::test_reduce_polymer ... ok [INFO] [stdout] test day9::test::test_solution_part1 ... ok [INFO] [stdout] test day3::test::claim_should_parse_correct_input_line ... ok [INFO] [stdout] test day7::test::test_line_parsing ... ok [INFO] [stdout] test day9::test::test_solution_part2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ef2aeffdcf457b7cd9967bbbe5a04227bead2f8c97328fa3109e357411f4069c"` [INFO] running `"docker" "rm" "-f" "ef2aeffdcf457b7cd9967bbbe5a04227bead2f8c97328fa3109e357411f4069c"` [INFO] [stdout] ef2aeffdcf457b7cd9967bbbe5a04227bead2f8c97328fa3109e357411f4069c