[INFO] cloning repository https://github.com/louislatreille/AoC2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/louislatreille/AoC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouislatreille%2FAoC2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouislatreille%2FAoC2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ce39abf74d7da85d6fd1ef988d753f3fa0edcc4
[INFO] checking louislatreille/AoC2020 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouislatreille%2FAoC2020" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/louislatreille/AoC2020 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/louislatreille/AoC2020
[INFO] finished tweaking git repo https://github.com/louislatreille/AoC2020
[INFO] tweaked toml for git repo https://github.com/louislatreille/AoC2020 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/louislatreille/AoC2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9ea7bb288d294472630b1c83a71b97a6ed0133424e84edd446c6497b26f9b29
[INFO] running `Command { std: "docker" "start" "-a" "b9ea7bb288d294472630b1c83a71b97a6ed0133424e84edd446c6497b26f9b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ea7bb288d294472630b1c83a71b97a6ed0133424e84edd446c6497b26f9b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ea7bb288d294472630b1c83a71b97a6ed0133424e84edd446c6497b26f9b29", kill_on_drop: false }`
[INFO] [stdout] b9ea7bb288d294472630b1c83a71b97a6ed0133424e84edd446c6497b26f9b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 848ca6289405ed65585b1e2ca6fcf2e1d5bc4fb9a96551e7d3258c685b6cd5bb
[INFO] running `Command { std: "docker" "start" "-a" "848ca6289405ed65585b1e2ca6fcf2e1d5bc4fb9a96551e7d3258c685b6cd5bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking aoc_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> src/day_four.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_tree`
[INFO] [stdout]    --> src/day_seven.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn build_tree(mut bag_nodes: LinkedList<BagNode>) -> LinkedList<BagNode> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_tree_other`
[INFO] [stdout]    --> src/day_seven.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn build_tree_other(mut bag_nodes: LinkedList<BagNode>) -> LinkedList<BagNode> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is`
[INFO] [stdout]    --> src/day_seven.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn is(&self, other: &BagType) -> bool {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]    --> src/day_seven.rs:351:8
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn find(&mut self, bag_type: &BagType) -> Option<&mut BagNode> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_all`
[INFO] [stdout]    --> src/day_seven.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn find_all(&mut self, bag_type: &BagType) -> Vec<&mut BagNode> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_contain_level`
[INFO] [stdout]    --> src/day_seven.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn find_contain_level<'a>(&mut self, bag_type: &BagType, inc: &'a mut i32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_can_contain`
[INFO] [stdout]    --> src/day_seven.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn find_can_contain<'a>(&mut self, bag_type: &BagType, inc: &'a mut HashSet<BagType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NavigableBagNode`
[INFO] [stdout]    --> src/day_seven.rs:426:8
[INFO] [stdout]     |
[INFO] [stdout] 426 | struct NavigableBagNode<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `child`
[INFO] [stdout]    --> src/day_seven.rs:432:8
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn child(&self, index: usize) -> NavigableBagNode {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> src/day_four.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_tree`
[INFO] [stdout]    --> src/day_seven.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn build_tree(mut bag_nodes: LinkedList<BagNode>) -> LinkedList<BagNode> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_tree_other`
[INFO] [stdout]    --> src/day_seven.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn build_tree_other(mut bag_nodes: LinkedList<BagNode>) -> LinkedList<BagNode> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is`
[INFO] [stdout]    --> src/day_seven.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn is(&self, other: &BagType) -> bool {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]    --> src/day_seven.rs:351:8
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn find(&mut self, bag_type: &BagType) -> Option<&mut BagNode> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_all`
[INFO] [stdout]    --> src/day_seven.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn find_all(&mut self, bag_type: &BagType) -> Vec<&mut BagNode> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_contain_level`
[INFO] [stdout]    --> src/day_seven.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn find_contain_level<'a>(&mut self, bag_type: &BagType, inc: &'a mut i32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_can_contain`
[INFO] [stdout]    --> src/day_seven.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn find_can_contain<'a>(&mut self, bag_type: &BagType, inc: &'a mut HashSet<BagType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NavigableBagNode`
[INFO] [stdout]    --> src/day_seven.rs:426:8
[INFO] [stdout]     |
[INFO] [stdout] 426 | struct NavigableBagNode<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `child`
[INFO] [stdout]    --> src/day_seven.rs:432:8
[INFO] [stdout]     |
[INFO] [stdout] 432 |     fn child(&self, index: usize) -> NavigableBagNode {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.91s
[INFO] running `Command { std: "docker" "inspect" "848ca6289405ed65585b1e2ca6fcf2e1d5bc4fb9a96551e7d3258c685b6cd5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848ca6289405ed65585b1e2ca6fcf2e1d5bc4fb9a96551e7d3258c685b6cd5bb", kill_on_drop: false }`
[INFO] [stdout] 848ca6289405ed65585b1e2ca6fcf2e1d5bc4fb9a96551e7d3258c685b6cd5bb