[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#e3e432d4d65a55e6db167598e96db2bcb163e316 for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouislatreille%2FAoC2020" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/louislatreille/AoC2020 on toolchain e3e432d4d65a55e6db167598e96db2bcb163e316
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b821068dc96631f95daa814ac5a6b60d64a065a5e79a665c445316867e835099
[INFO] running `Command { std: "docker" "start" "-a" "b821068dc96631f95daa814ac5a6b60d64a065a5e79a665c445316867e835099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b821068dc96631f95daa814ac5a6b60d64a065a5e79a665c445316867e835099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b821068dc96631f95daa814ac5a6b60d64a065a5e79a665c445316867e835099", kill_on_drop: false }`
[INFO] [stdout] b821068dc96631f95daa814ac5a6b60d64a065a5e79a665c445316867e835099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa8e6caacb6a96a8534fd1bc5ea6dc9f4e2cb8a624222c4baee07f80dd5f60e
[INFO] running `Command { std: "docker" "start" "-a" "cfa8e6caacb6a96a8534fd1bc5ea6dc9f4e2cb8a624222c4baee07f80dd5f60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[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 `cid` is never read
[INFO] [stdout]   --> src/day_four.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct PassportData {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PassportData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[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 `build_tree_other` is never used
[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: methods `is`, `find`, `find_all`, `find_contain_level`, and `find_can_contain` are never used
[INFO] [stdout]    --> src/day_seven.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 334 | impl BagNode {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 335 |     fn is(&self, other: &BagType) -> bool {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     fn find(&mut self, bag_type: &BagType) -> Option<&mut BagNode> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |     fn find_all(&mut self, bag_type: &BagType) -> Vec<&mut BagNode> {
[INFO] [stdout]     |        ^^^^^^^^
[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] 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 `NavigableBagNode` is never constructed
[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: method `child` is never used
[INFO] [stdout]    --> src/day_seven.rs:432:8
[INFO] [stdout]     |
[INFO] [stdout] 431 | impl<'a> NavigableBagNode<'a> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] 432 |     fn child(&self, index: usize) -> NavigableBagNode {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cid` is never read
[INFO] [stdout]   --> src/day_four.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct PassportData {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PassportData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[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 `build_tree_other` is never used
[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: methods `is`, `find`, `find_all`, `find_contain_level`, and `find_can_contain` are never used
[INFO] [stdout]    --> src/day_seven.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 334 | impl BagNode {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 335 |     fn is(&self, other: &BagType) -> bool {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     fn find(&mut self, bag_type: &BagType) -> Option<&mut BagNode> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |     fn find_all(&mut self, bag_type: &BagType) -> Vec<&mut BagNode> {
[INFO] [stdout]     |        ^^^^^^^^
[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] 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 `NavigableBagNode` is never constructed
[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: method `child` is never used
[INFO] [stdout]    --> src/day_seven.rs:432:8
[INFO] [stdout]     |
[INFO] [stdout] 431 | impl<'a> NavigableBagNode<'a> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] 432 |     fn child(&self, index: usize) -> NavigableBagNode {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "cfa8e6caacb6a96a8534fd1bc5ea6dc9f4e2cb8a624222c4baee07f80dd5f60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa8e6caacb6a96a8534fd1bc5ea6dc9f4e2cb8a624222c4baee07f80dd5f60e", kill_on_drop: false }`
[INFO] [stdout] cfa8e6caacb6a96a8534fd1bc5ea6dc9f4e2cb8a624222c4baee07f80dd5f60e