[INFO] cloning repository https://github.com/kovipu/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kovipu/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkovipu%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkovipu%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b3f4d151fb80621af63e7204bea32307946c6b1
[INFO] building kovipu/advent-of-code-2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkovipu%2Fadvent-of-code-2021" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kovipu/advent-of-code-2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kovipu/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/kovipu/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/kovipu/advent-of-code-2021 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kovipu/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1463899d73c52fd8bbe153beaccfd58585ed3bc3f3f98e6dfa665eca75ab720
[INFO] running `Command { std: "docker" "start" "-a" "e1463899d73c52fd8bbe153beaccfd58585ed3bc3f3f98e6dfa665eca75ab720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1463899d73c52fd8bbe153beaccfd58585ed3bc3f3f98e6dfa665eca75ab720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1463899d73c52fd8bbe153beaccfd58585ed3bc3f3f98e6dfa665eca75ab720", kill_on_drop: false }`
[INFO] [stdout] e1463899d73c52fd8bbe153beaccfd58585ed3bc3f3f98e6dfa665eca75ab720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9622d698df4b9899abecb2cf963a1f27ea04b4af025190e2ed73da28b3f4c31d
[INFO] running `Command { std: "docker" "start" "-a" "9622d698df4b9899abecb2cf963a1f27ea04b4af025190e2ed73da28b3f4c31d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day18.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_2(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SnailfishNumber` is never used
[INFO] [stdout]   --> src/day18.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum SnailfishNumber {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnailfishNumberReduceResult` is never constructed
[INFO] [stdout]   --> src/day18.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SnailfishNumberReduceResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `explode`, and `split` are never used
[INFO] [stdout]    --> src/day18.rs:35:8
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl SnailfishNumber {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 35  |     fn new(input: &str) -> (SnailfishNumber, &str) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53  |     fn add(&self, other: &SnailfishNumber) -> SnailfishNumber {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     fn explode(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     fn split(&self) -> SnailfishNumber {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "9622d698df4b9899abecb2cf963a1f27ea04b4af025190e2ed73da28b3f4c31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9622d698df4b9899abecb2cf963a1f27ea04b4af025190e2ed73da28b3f4c31d", kill_on_drop: false }`
[INFO] [stdout] 9622d698df4b9899abecb2cf963a1f27ea04b4af025190e2ed73da28b3f4c31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ebb4785f3c5f68c02dadcda19f017e73642e8ee5154a0f65faea3c27d7ff92c
[INFO] running `Command { std: "docker" "start" "-a" "3ebb4785f3c5f68c02dadcda19f017e73642e8ee5154a0f65faea3c27d7ff92c", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day18.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part_1(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day19.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_2(input: &str) -> i64 {
[INFO] [stdout]   |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "3ebb4785f3c5f68c02dadcda19f017e73642e8ee5154a0f65faea3c27d7ff92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebb4785f3c5f68c02dadcda19f017e73642e8ee5154a0f65faea3c27d7ff92c", kill_on_drop: false }`
[INFO] [stdout] 3ebb4785f3c5f68c02dadcda19f017e73642e8ee5154a0f65faea3c27d7ff92c