[INFO] cloning repository https://github.com/hsimpson/aoc2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsimpson/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsimpson%2Faoc2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsimpson%2Faoc2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf5acfa70dfef8a5719e30562da52a211658a364 [INFO] building hsimpson/aoc2021 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%2Fhsimpson%2Faoc2021" "/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/hsimpson/aoc2021 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/hsimpson/aoc2021 [INFO] finished tweaking git repo https://github.com/hsimpson/aoc2021 [INFO] tweaked toml for git repo https://github.com/hsimpson/aoc2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hsimpson/aoc2021 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pathfinding v3.0.5 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc747ab851b6068ec153ddd637489a189dac7c66aa99512079192a41936f701f [INFO] running `Command { std: "docker" "start" "-a" "cc747ab851b6068ec153ddd637489a189dac7c66aa99512079192a41936f701f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc747ab851b6068ec153ddd637489a189dac7c66aa99512079192a41936f701f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc747ab851b6068ec153ddd637489a189dac7c66aa99512079192a41936f701f", kill_on_drop: false }` [INFO] [stdout] cc747ab851b6068ec153ddd637489a189dac7c66aa99512079192a41936f701f [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 -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] 6e0ccbffc2f63bc2c164060181f11cd4574647789fd960da2a65865ac682ba45 [INFO] running `Command { std: "docker" "start" "-a" "6e0ccbffc2f63bc2c164060181f11cd4574647789fd960da2a65865ac682ba45", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling integer-sqrt v0.1.5 [INFO] [stderr] Compiling pathfinding v3.0.5 [INFO] [stderr] Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `visited` [INFO] [stdout] --> src/day12/mod.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut visited: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/day12/mod.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | fn test_path(graph: &Graph, path: &mut Vec) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/day12/mod.rs:58:29 [INFO] [stdout] | [INFO] [stdout] 58 | fn test_path(graph: &Graph, path: &mut Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day12/mod.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let mut visited: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_path` [INFO] [stdout] --> src/day12/mod.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | let mut current_path: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/day12/mod.rs:62:25 [INFO] [stdout] | [INFO] [stdout] 62 | fn find_all_valid_paths(graph: &mut Graph, start_id: usize, end_id: usize) -> Vec> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end_id` [INFO] [stdout] --> src/day12/mod.rs:62:61 [INFO] [stdout] | [INFO] [stdout] 62 | fn find_all_valid_paths(graph: &mut Graph, start_id: usize, end_id: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day12/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let mut valid_paths = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day12/mod.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut current_path: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `kind` are never read [INFO] [stdout] --> src/day12/mod.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Cave { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 14 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | name: String, [INFO] [stdout] 16 | kind: CaveType, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_path` is never used [INFO] [stdout] --> src/day12/mod.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn test_path(graph: &Graph, path: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.12s [INFO] running `Command { std: "docker" "inspect" "6e0ccbffc2f63bc2c164060181f11cd4574647789fd960da2a65865ac682ba45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e0ccbffc2f63bc2c164060181f11cd4574647789fd960da2a65865ac682ba45", kill_on_drop: false }` [INFO] [stdout] 6e0ccbffc2f63bc2c164060181f11cd4574647789fd960da2a65865ac682ba45 [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 -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] 9f06138e8303dd6d07e318f6d294694e6f95498171b08b78ca6a8bd9fe316f8d [INFO] running `Command { std: "docker" "start" "-a" "9f06138e8303dd6d07e318f6d294694e6f95498171b08b78ca6a8bd9fe316f8d", kill_on_drop: false }` [INFO] [stderr] Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `visited` [INFO] [stdout] --> src/day12/mod.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let mut visited: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/day12/mod.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | fn test_path(graph: &Graph, path: &mut Vec) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/day12/mod.rs:58:29 [INFO] [stdout] | [INFO] [stdout] 58 | fn test_path(graph: &Graph, path: &mut Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day12/mod.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let mut visited: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_path` [INFO] [stdout] --> src/day12/mod.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | let mut current_path: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/day12/mod.rs:62:25 [INFO] [stdout] | [INFO] [stdout] 62 | fn find_all_valid_paths(graph: &mut Graph, start_id: usize, end_id: usize) -> Vec> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end_id` [INFO] [stdout] --> src/day12/mod.rs:62:61 [INFO] [stdout] | [INFO] [stdout] 62 | fn find_all_valid_paths(graph: &mut Graph, start_id: usize, end_id: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day12/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let mut valid_paths = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day12/mod.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let mut current_path: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `kind` are never read [INFO] [stdout] --> src/day12/mod.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Cave { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 14 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | name: String, [INFO] [stdout] 16 | kind: CaveType, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_path` is never used [INFO] [stdout] --> src/day12/mod.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn test_path(graph: &Graph, path: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "9f06138e8303dd6d07e318f6d294694e6f95498171b08b78ca6a8bd9fe316f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f06138e8303dd6d07e318f6d294694e6f95498171b08b78ca6a8bd9fe316f8d", kill_on_drop: false }` [INFO] [stdout] 9f06138e8303dd6d07e318f6d294694e6f95498171b08b78ca6a8bd9fe316f8d