[INFO] cloning repository https://github.com/ryanhofer/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanhofer/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 765d82200d38f6f2e186e466f087eeabeee20794
[INFO] building ryanhofer/adventofcode2018 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanhofer/adventofcode2018 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanhofer/adventofcode2018
[INFO] finished tweaking git repo https://github.com/ryanhofer/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/ryanhofer/adventofcode2018 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanhofer/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intrusive-collections v0.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9474a7d0d92a8c82e8b8af5eddacfe879b62625687e007351c4704342a9bae5a
[INFO] running `Command { std: "docker" "start" "-a" "9474a7d0d92a8c82e8b8af5eddacfe879b62625687e007351c4704342a9bae5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9474a7d0d92a8c82e8b8af5eddacfe879b62625687e007351c4704342a9bae5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9474a7d0d92a8c82e8b8af5eddacfe879b62625687e007351c4704342a9bae5a", kill_on_drop: false }`
[INFO] [stdout] 9474a7d0d92a8c82e8b8af5eddacfe879b62625687e007351c4704342a9bae5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea7ef6eb50af3fa948a30f7b17a2ec9aec3d9be9dbb425e7d3ebfd797f7d29d
[INFO] running `Command { std: "docker" "start" "-a" "aea7ef6eb50af3fa948a30f7b17a2ec9aec3d9be9dbb425e7d3ebfd797f7d29d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling intrusive-collections v0.6.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/bin/day9/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | intrusive_adapter!(MarbleAdapter = Box<Marble>: Marble { link: LinkedListLink });
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `offset_of_unsafe` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_pots`
[INFO] [stdout]    --> src/bin/day12/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn print_pots(pots: &HashSet<i64>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `t` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day13/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut t = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_t` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `t` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day13/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut t = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_t` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.24s
[INFO] running `Command { std: "docker" "inspect" "aea7ef6eb50af3fa948a30f7b17a2ec9aec3d9be9dbb425e7d3ebfd797f7d29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea7ef6eb50af3fa948a30f7b17a2ec9aec3d9be9dbb425e7d3ebfd797f7d29d", kill_on_drop: false }`
[INFO] [stdout] aea7ef6eb50af3fa948a30f7b17a2ec9aec3d9be9dbb425e7d3ebfd797f7d29d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4edc09d86c03f11a6efcf3186d77819388716605000500848f8089fc54a54aef
[INFO] running `Command { std: "docker" "start" "-a" "4edc09d86c03f11a6efcf3186d77819388716605000500848f8089fc54a54aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `t` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day13/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut t = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_t` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `t` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day13/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut t = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_t` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/bin/day9/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | intrusive_adapter!(MarbleAdapter = Box<Marble>: Marble { link: LinkedListLink });
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `offset_of_unsafe` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_pots`
[INFO] [stdout]    --> src/bin/day12/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn print_pots(pots: &HashSet<i64>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/adventofcode2018-af6e94bc35942492)
[INFO] [stderr]   Executable unittests src/bin/day1/main.rs (/opt/rustwide/target/debug/deps/day1-3e298feb590dd60d)
[INFO] [stderr]   Executable unittests src/bin/day10/main.rs (/opt/rustwide/target/debug/deps/day10-f0abc44755d95e1b)
[INFO] [stderr]   Executable unittests src/bin/day11/main.rs (/opt/rustwide/target/debug/deps/day11-e9d70ba30225f241)
[INFO] [stderr]   Executable unittests src/bin/day12/main.rs (/opt/rustwide/target/debug/deps/day12-c6d57a58e5ff0d72)
[INFO] [stderr]   Executable unittests src/bin/day13/main.rs (/opt/rustwide/target/debug/deps/day13-467e99c7a71c9e2e)
[INFO] [stderr]   Executable unittests src/bin/day14/main.rs (/opt/rustwide/target/debug/deps/day14-44239d555335d4b4)
[INFO] [stderr]   Executable unittests src/bin/day2/main.rs (/opt/rustwide/target/debug/deps/day2-d6745d5d9441388f)
[INFO] [stderr]   Executable unittests src/bin/day25/main.rs (/opt/rustwide/target/debug/deps/day25-3c900e0849a765a6)
[INFO] [stderr]   Executable unittests src/bin/day3/main.rs (/opt/rustwide/target/debug/deps/day3-595adbb25bea53d0)
[INFO] [stderr]   Executable unittests src/bin/day4/main.rs (/opt/rustwide/target/debug/deps/day4-a42a775afe980ef2)
[INFO] [stderr]   Executable unittests src/bin/day5/main.rs (/opt/rustwide/target/debug/deps/day5-6cdb1931619639f8)
[INFO] [stderr]   Executable unittests src/bin/day6/main.rs (/opt/rustwide/target/debug/deps/day6-42477c93e01ccafe)
[INFO] [stderr]   Executable unittests src/bin/day7/main.rs (/opt/rustwide/target/debug/deps/day7-17bddf5e829ece56)
[INFO] [stderr]   Executable unittests src/bin/day8/main.rs (/opt/rustwide/target/debug/deps/day8-ea8c27b79bc8bb26)
[INFO] [stderr]   Executable unittests src/bin/day9/main.rs (/opt/rustwide/target/debug/deps/day9-c7a05c5b791136a8)
[INFO] running `Command { std: "docker" "inspect" "4edc09d86c03f11a6efcf3186d77819388716605000500848f8089fc54a54aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edc09d86c03f11a6efcf3186d77819388716605000500848f8089fc54a54aef", kill_on_drop: false }`
[INFO] [stdout] 4edc09d86c03f11a6efcf3186d77819388716605000500848f8089fc54a54aef