[INFO] cloning repository https://github.com/Hosshii/advent-of-code-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hosshii/advent-of-code-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Fadvent-of-code-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Fadvent-of-code-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60263fb6fbeb642ad8dcd2349fbed5c46228dfe2
[INFO] building Hosshii/advent-of-code-2022 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%2FHosshii%2Fadvent-of-code-2022" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hosshii/advent-of-code-2022 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Hosshii/advent-of-code-2022
[INFO] finished tweaking git repo https://github.com/Hosshii/advent-of-code-2022
[INFO] tweaked toml for git repo https://github.com/Hosshii/advent-of-code-2022 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hosshii/advent-of-code-2022 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5d86644c73c422eddd0c6d9ef878c98f3caf512c457f8ada84296711152d8145
[INFO] running `Command { std: "docker" "start" "-a" "5d86644c73c422eddd0c6d9ef878c98f3caf512c457f8ada84296711152d8145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d86644c73c422eddd0c6d9ef878c98f3caf512c457f8ada84296711152d8145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d86644c73c422eddd0c6d9ef878c98f3caf512c457f8ada84296711152d8145", kill_on_drop: false }`
[INFO] [stdout] 5d86644c73c422eddd0c6d9ef878c98f3caf512c457f8ada84296711152d8145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8139e2229ca6f62c38d6532acb7b2bbb09ca9ce62d8969e3a5f9040477ebd66a
[INFO] running `Command { std: "docker" "start" "-a" "8139e2229ca6f62c38d6532acb7b2bbb09ca9ce62d8969e3a5f9040477ebd66a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling advent_of_code v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/bin/08.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/09.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |         for i in 0..op.distance {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/09.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl TailHead {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     fn new(tail: Tail, head: Head) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_leaf`, `into_weak`, and `val_mut` are never used
[INFO] [stdout]   --> src/bin/07.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<T> NodePtr<T> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 83 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn into_weak(self) -> NodeWeakPtr<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn val_mut(&self) -> RefMut<T> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_file` is never used
[INFO] [stdout]    --> src/bin/07.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl NodePtr<Entry> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn is_file(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodeWeakPtr` is never used
[INFO] [stdout]    --> src/bin/07.rs:212:6
[INFO] [stdout]     |
[INFO] [stdout] 212 | type NodeWeakPtr<T> = Weak<RefCell<Node<T>>>;
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_leaf` is never used
[INFO] [stdout]    --> src/bin/07.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl<T> Node<T> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "8139e2229ca6f62c38d6532acb7b2bbb09ca9ce62d8969e3a5f9040477ebd66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8139e2229ca6f62c38d6532acb7b2bbb09ca9ce62d8969e3a5f9040477ebd66a", kill_on_drop: false }`
[INFO] [stdout] 8139e2229ca6f62c38d6532acb7b2bbb09ca9ce62d8969e3a5f9040477ebd66a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3e25f7e390608e8bd134325de3cf4869179936d1f7ef51bb9d8fff9bf88039cb
[INFO] running `Command { std: "docker" "start" "-a" "3e25f7e390608e8bd134325de3cf4869179936d1f7ef51bb9d8fff9bf88039cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/bin/08.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/09.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |         for i in 0..op.distance {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/09.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl TailHead {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     fn new(tail: Tail, head: Head) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_leaf`, `into_weak`, and `val_mut` are never used
[INFO] [stdout]   --> src/bin/07.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<T> NodePtr<T> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 83 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn into_weak(self) -> NodeWeakPtr<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn val_mut(&self) -> RefMut<T> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_file` is never used
[INFO] [stdout]    --> src/bin/07.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl NodePtr<Entry> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn is_file(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodeWeakPtr` is never used
[INFO] [stdout]    --> src/bin/07.rs:212:6
[INFO] [stdout]     |
[INFO] [stdout] 212 | type NodeWeakPtr<T> = Weak<RefCell<Node<T>>>;
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_leaf` is never used
[INFO] [stdout]    --> src/bin/07.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl<T> Node<T> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "3e25f7e390608e8bd134325de3cf4869179936d1f7ef51bb9d8fff9bf88039cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e25f7e390608e8bd134325de3cf4869179936d1f7ef51bb9d8fff9bf88039cb", kill_on_drop: false }`
[INFO] [stdout] 3e25f7e390608e8bd134325de3cf4869179936d1f7ef51bb9d8fff9bf88039cb